Commit | Line | Data |
8e30e889 |
1 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
2 | <html xmlns="http://www.w3.org/1999/xhtml"> |
3 | <!-- |
4 | This file was generated by Devel::NYTProf version 4.06 |
5 | --> |
6 | <head> |
7 | <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> |
8 | <meta http-equiv="Content-Language" content="en-us" /> |
9 | <title>Profile of DBIx/Class/Storage/DBIHacks.pm</title> |
10 | <link rel="stylesheet" type="text/css" href="style.css" /> |
11 | <script type="text/javascript" src="js/jquery-min.js"></script> |
12 | |
13 | <script type="text/javascript" src="js/jquery-tablesorter-min.js"></script> |
14 | <link rel="stylesheet" type="text/css" href="js/style-tablesorter.css" /> |
15 | <script type="text/javascript"> |
16 | // when a column is first clicked on to sort it, use descending order |
17 | // XXX doesn't seem to work (and not just because the tablesorter formatSortingOrder() is broken) |
18 | $.tablesorter.defaults.sortInitialOrder = "desc"; |
19 | // add parser through the tablesorter addParser method |
20 | $.tablesorter.addParser({ |
21 | id: 'fmt_time', // name of this parser |
22 | is: function(s) { |
23 | return false; // return false so this parser is not auto detected |
24 | }, |
25 | format: function(orig) { // format data for normalization |
26 | // console.log(orig); |
27 | val = orig.replace(/ns/,''); |
28 | if (val != orig) { return val / (1000*1000*1000); } |
29 | val = orig.replace(/µs/,''); /* XXX use µ ? */ |
30 | if (val != orig) { return val / (1000*1000); } |
31 | var val = orig.replace(/ms/,''); |
32 | if (val != orig) { return val / (1000); } |
33 | var val = orig.replace(/s/,''); |
34 | if (val != orig) { return val; } |
35 | if (orig == '0') { return orig; } |
36 | console.log('no match for fmt_time of '.concat(orig)); |
37 | return orig; |
38 | }, |
39 | type: 'numeric' // set type, either numeric or text |
40 | }); |
41 | </script> |
42 | </head> |
43 | |
44 | <body > |
45 | <div class="header" style="position: relative; overflow-x: hidden; overflow-y: hidden; z-index: 0; "> |
46 | <div class="header_back"> |
47 | <a href="index.html">← Index</a> |
48 | </div> |
49 | <div class="headerForeground" style="float: left"> |
50 | <span class="siteTitle">NYTProf Performance Profile</span> |
51 | <span class="siteSubtitle">  <span>« <span class="mode_btn mode_btn_selected">block view</span> • <span class="mode_btn"><a href="DBIx-Class-Storage-DBIHacks-pm-2459-line.html">line view</a></span> • <span class="mode_btn"><a href="DBIx-Class-Storage-DBIHacks-pm-2459-sub.html">sub view</a></span> »</span><br /> |
52 | For script/nytprof.pl |
53 | </span> |
54 | </div> |
55 | <div class="headerForeground" style="float: right; text-align: right"> |
56 | <span class="siteTitle"> </span> |
57 | <span class="siteSubtitle">Run on Thu May 31 16:49:15 2012<br />Reported on Thu May 31 16:53:37 2012</span> |
58 | </div> |
59 | <div style="position: absolute; left: 0px; top: 0%; width: 100%; height: 101%; z-index: -1; background-color: rgb(17, 136, 255); "></div> |
60 | <div style="position: absolute; left: 0px; top: 2%; width: 100%; height: 99%; z-index: -1; background-color: rgb(16, 134, 253); "></div> |
61 | <div style="position: absolute; left: 0px; top: 4%; width: 100%; height: 97%; z-index: -1; background-color: rgb(16, 133, 252); "></div> |
62 | <div style="position: absolute; left: 0px; top: 6%; width: 100%; height: 95%; z-index: -1; background-color: rgb(15, 131, 250); "></div> |
63 | <div style="position: absolute; left: 0px; top: 8%; width: 100%; height: 93%; z-index: -1; background-color: rgb(15, 130, 249); "></div> |
64 | <div style="position: absolute; left: 0px; top: 10%; width: 100%; height: 91%; z-index: -1; background-color: rgb(15, 129, 248); "></div> |
65 | <div style="position: absolute; left: 0px; top: 12%; width: 100%; height: 89%; z-index: -1; background-color: rgb(14, 127, 246); "></div> |
66 | <div style="position: absolute; left: 0px; top: 14%; width: 100%; height: 87%; z-index: -1; background-color: rgb(14, 126, 245); "></div> |
67 | <div style="position: absolute; left: 0px; top: 16%; width: 100%; height: 85%; z-index: -1; background-color: rgb(14, 125, 244); "></div> |
68 | <div style="position: absolute; left: 0px; top: 18%; width: 100%; height: 83%; z-index: -1; background-color: rgb(13, 123, 242); "></div> |
69 | <div style="position: absolute; left: 0px; top: 20%; width: 100%; height: 81%; z-index: -1; background-color: rgb(13, 122, 241); "></div> |
70 | <div style="position: absolute; left: 0px; top: 22%; width: 100%; height: 79%; z-index: -1; background-color: rgb(13, 121, 240); "></div> |
71 | <div style="position: absolute; left: 0px; top: 24%; width: 100%; height: 77%; z-index: -1; background-color: rgb(12, 119, 238); "></div> |
72 | <div style="position: absolute; left: 0px; top: 26%; width: 100%; height: 75%; z-index: -1; background-color: rgb(12, 118, 237); "></div> |
73 | <div style="position: absolute; left: 0px; top: 28%; width: 100%; height: 73%; z-index: -1; background-color: rgb(12, 116, 235); "></div> |
74 | <div style="position: absolute; left: 0px; top: 30%; width: 100%; height: 71%; z-index: -1; background-color: rgb(11, 115, 234); "></div> |
75 | <div style="position: absolute; left: 0px; top: 32%; width: 100%; height: 69%; z-index: -1; background-color: rgb(11, 114, 233); "></div> |
76 | <div style="position: absolute; left: 0px; top: 34%; width: 100%; height: 67%; z-index: -1; background-color: rgb(11, 112, 231); "></div> |
77 | <div style="position: absolute; left: 0px; top: 36%; width: 100%; height: 65%; z-index: -1; background-color: rgb(10, 111, 230); "></div> |
78 | <div style="position: absolute; left: 0px; top: 38%; width: 100%; height: 63%; z-index: -1; background-color: rgb(10, 110, 229); "></div> |
79 | <div style="position: absolute; left: 0px; top: 40%; width: 100%; height: 61%; z-index: -1; background-color: rgb(10, 108, 227); "></div> |
80 | <div style="position: absolute; left: 0px; top: 42%; width: 100%; height: 59%; z-index: -1; background-color: rgb(9, 107, 226); "></div> |
81 | <div style="position: absolute; left: 0px; top: 44%; width: 100%; height: 57%; z-index: -1; background-color: rgb(9, 106, 225); "></div> |
82 | <div style="position: absolute; left: 0px; top: 46%; width: 100%; height: 55%; z-index: -1; background-color: rgb(9, 104, 223); "></div> |
83 | <div style="position: absolute; left: 0px; top: 48%; width: 100%; height: 53%; z-index: -1; background-color: rgb(8, 103, 222); "></div> |
84 | <div style="position: absolute; left: 0px; top: 50%; width: 100%; height: 51%; z-index: -1; background-color: rgb(8, 102, 221); "></div> |
85 | <div style="position: absolute; left: 0px; top: 52%; width: 100%; height: 49%; z-index: -1; background-color: rgb(8, 100, 219); "></div> |
86 | <div style="position: absolute; left: 0px; top: 54%; width: 100%; height: 47%; z-index: -1; background-color: rgb(7, 99, 218); "></div> |
87 | <div style="position: absolute; left: 0px; top: 56%; width: 100%; height: 45%; z-index: -1; background-color: rgb(7, 97, 216); "></div> |
88 | <div style="position: absolute; left: 0px; top: 58%; width: 100%; height: 43%; z-index: -1; background-color: rgb(7, 96, 215); "></div> |
89 | <div style="position: absolute; left: 0px; top: 60%; width: 100%; height: 41%; z-index: -1; background-color: rgb(6, 95, 214); "></div> |
90 | <div style="position: absolute; left: 0px; top: 62%; width: 100%; height: 39%; z-index: -1; background-color: rgb(6, 93, 212); "></div> |
91 | <div style="position: absolute; left: 0px; top: 64%; width: 100%; height: 37%; z-index: -1; background-color: rgb(6, 92, 211); "></div> |
92 | <div style="position: absolute; left: 0px; top: 66%; width: 100%; height: 35%; z-index: -1; background-color: rgb(5, 91, 210); "></div> |
93 | <div style="position: absolute; left: 0px; top: 68%; width: 100%; height: 33%; z-index: -1; background-color: rgb(5, 89, 208); "></div> |
94 | <div style="position: absolute; left: 0px; top: 70%; width: 100%; height: 31%; z-index: -1; background-color: rgb(5, 88, 207); "></div> |
95 | <div style="position: absolute; left: 0px; top: 72%; width: 100%; height: 29%; z-index: -1; background-color: rgb(4, 87, 206); "></div> |
96 | <div style="position: absolute; left: 0px; top: 74%; width: 100%; height: 27%; z-index: -1; background-color: rgb(4, 85, 204); "></div> |
97 | <div style="position: absolute; left: 0px; top: 76%; width: 100%; height: 25%; z-index: -1; background-color: rgb(4, 84, 203); "></div> |
98 | <div style="position: absolute; left: 0px; top: 78%; width: 100%; height: 23%; z-index: -1; background-color: rgb(3, 82, 201); "></div> |
99 | <div style="position: absolute; left: 0px; top: 80%; width: 100%; height: 21%; z-index: -1; background-color: rgb(3, 81, 200); "></div> |
100 | <div style="position: absolute; left: 0px; top: 82%; width: 100%; height: 19%; z-index: -1; background-color: rgb(3, 80, 199); "></div> |
101 | <div style="position: absolute; left: 0px; top: 84%; width: 100%; height: 17%; z-index: -1; background-color: rgb(2, 78, 197); "></div> |
102 | <div style="position: absolute; left: 0px; top: 86%; width: 100%; height: 15%; z-index: -1; background-color: rgb(2, 77, 196); "></div> |
103 | <div style="position: absolute; left: 0px; top: 88%; width: 100%; height: 13%; z-index: -1; background-color: rgb(2, 76, 195); "></div> |
104 | <div style="position: absolute; left: 0px; top: 90%; width: 100%; height: 11%; z-index: -1; background-color: rgb(1, 74, 193); "></div> |
105 | <div style="position: absolute; left: 0px; top: 92%; width: 100%; height: 9%; z-index: -1; background-color: rgb(1, 73, 192); "></div> |
106 | <div style="position: absolute; left: 0px; top: 94%; width: 100%; height: 7%; z-index: -1; background-color: rgb(1, 72, 191); "></div> |
107 | <div style="position: absolute; left: 0px; top: 96%; width: 100%; height: 5%; z-index: -1; background-color: rgb(0, 70, 189); "></div> |
108 | <div style="position: absolute; left: 0px; top: 98%; width: 100%; height: 3%; z-index: -1; background-color: rgb(0, 69, 188); "></div> |
109 | <div style="position: absolute; left: 0px; top: 100%; width: 100%; height: 1%; z-index: -1; background-color: rgb(0, 68, 187); "></div> |
110 | </div> |
111 | |
112 | <div class="body_content"><br /> |
113 | <table class="file_summary"><tr><td class="h">Filename</td><td align="left"><a href="file:///Users/edenc/perl5/lib/perl5/DBIx/Class/Storage/DBIHacks.pm">/Users/edenc/perl5/lib/perl5/DBIx/Class/Storage/DBIHacks.pm</a></td></tr> |
114 | <tr><td class="h">Statements</td><td align="left">Executed 19 statements in 2.76ms</td></tr></table> |
115 | |
116 | <table id="subs_table" border="1" cellpadding="0" class="tablesorter"> |
117 | <caption>Subroutines</caption> |
118 | <thead> |
119 | <tr> |
120 | <th>Calls</th> |
121 | <th><span title="Number of Places sub is called from">P</span></th> |
122 | <th><span title="Number of Files sub is called from">F</span></th> |
123 | <th>Exclusive<br />Time</th> |
124 | <th>Inclusive<br />Time</th> |
125 | <th>Subroutine</th> |
126 | </tr> |
127 | </thead> |
128 | <tbody> |
129 | <tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c0"><span title="0.0%">15µs</span></td><td class="c3"><span title="0.0%">18µs</span></td><td class="sub_name"><span style="display: none;">DBIx::Class::Storage::DBIHacks::::BEGIN@10</span>DBIx::Class::Storage::DBIHacks::<a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#10">BEGIN@10</a></span></td></tr> |
130 | <tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c0"><span title="0.0%">12µs</span></td><td class="c2"><span title="0.0%">40µs</span></td><td class="sub_name"><span style="display: none;">DBIx::Class::Storage::DBIHacks::::BEGIN@16</span>DBIx::Class::Storage::DBIHacks::<a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#16">BEGIN@16</a></span></td></tr> |
131 | <tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c0"><span title="0.0%">12µs</span></td><td class="c3"><span title="0.0%">28µs</span></td><td class="sub_name"><span style="display: none;">DBIx::Class::Storage::DBIHacks::::BEGIN@609</span>DBIx::Class::Storage::DBIHacks::<a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#609">BEGIN@609</a></span></td></tr> |
132 | <tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">9µs</span></td><td class="c0"><span title="0.0%">6.01ms</span></td><td class="sub_name"><span style="display: none;">DBIx::Class::Storage::DBIHacks::::BEGIN@13</span>DBIx::Class::Storage::DBIHacks::<a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#13">BEGIN@13</a></span></td></tr> |
133 | <tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">9µs</span></td><td class="c3"><span title="0.0%">31µs</span></td><td class="sub_name"><span style="display: none;">DBIx::Class::Storage::DBIHacks::::BEGIN@17</span>DBIx::Class::Storage::DBIHacks::<a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#17">BEGIN@17</a></span></td></tr> |
134 | <tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">8µs</span></td><td class="c3"><span title="0.0%">15µs</span></td><td class="sub_name"><span style="display: none;">DBIx::Class::Storage::DBIHacks::::BEGIN@14</span>DBIx::Class::Storage::DBIHacks::<a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#14">BEGIN@14</a></span></td></tr> |
135 | <tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">8µs</span></td><td class="c3"><span title="0.0%">29µs</span></td><td class="sub_name"><span style="display: none;">DBIx::Class::Storage::DBIHacks::::BEGIN@18</span>DBIx::Class::Storage::DBIHacks::<a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#18">BEGIN@18</a></span></td></tr> |
136 | <tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">8µs</span></td><td class="c0"><span title="0.0%">155µs</span></td><td class="sub_name"><span style="display: none;">DBIx::Class::Storage::DBIHacks::::BEGIN@19</span>DBIx::Class::Storage::DBIHacks::<a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#19">BEGIN@19</a></span></td></tr> |
137 | <tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">7µs</span></td><td class="c3"><span title="0.0%">11µs</span></td><td class="sub_name"><span style="display: none;">DBIx::Class::Storage::DBIHacks::::BEGIN@11</span>DBIx::Class::Storage::DBIHacks::<a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#11">BEGIN@11</a></span></td></tr> |
138 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">DBIx::Class::Storage::DBIHacks::::__ANON__[:139]</span>DBIx::Class::Storage::DBIHacks::<a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#135">__ANON__[:139]</a></span></td></tr> |
139 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">DBIx::Class::Storage::DBIHacks::::__ANON__[:632]</span>DBIx::Class::Storage::DBIHacks::<a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#610">__ANON__[:632]</a></span></td></tr> |
140 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">DBIx::Class::Storage::DBIHacks::::__ANON__[:636]</span>DBIx::Class::Storage::DBIHacks::<a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#634">__ANON__[:636]</a></span></td></tr> |
141 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">DBIx::Class::Storage::DBIHacks::::__ANON__[:667]</span>DBIx::Class::Storage::DBIHacks::<a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#653">__ANON__[:667]</a></span></td></tr> |
142 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">DBIx::Class::Storage::DBIHacks::::_adjust_select_args_for_complex_prefetch</span>DBIx::Class::Storage::DBIHacks::<a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#66">_adjust_select_args_for_complex_prefetch</a></span></td></tr> |
143 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">DBIx::Class::Storage::DBIHacks::::_extract_condition_columns</span>DBIx::Class::Storage::DBIHacks::<a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#597">_extract_condition_columns</a></span></td></tr> |
144 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">DBIx::Class::Storage::DBIHacks::::_extract_order_criteria</span>DBIx::Class::Storage::DBIHacks::<a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#650">_extract_order_criteria</a></span></td></tr> |
145 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">DBIx::Class::Storage::DBIHacks::::_group_over_selection</span>DBIx::Class::Storage::DBIHacks::<a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#388">_group_over_selection</a></span></td></tr> |
146 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">DBIx::Class::Storage::DBIHacks::::_inner_join_to_node</span>DBIx::Class::Storage::DBIHacks::<a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#540">_inner_join_to_node</a></span></td></tr> |
147 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">DBIx::Class::Storage::DBIHacks::::_prune_unused_joins</span>DBIx::Class::Storage::DBIHacks::<a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#25">_prune_unused_joins</a></span></td></tr> |
148 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">DBIx::Class::Storage::DBIHacks::::_resolve_aliastypes_from_select_args</span>DBIx::Class::Storage::DBIHacks::<a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#266">_resolve_aliastypes_from_select_args</a></span></td></tr> |
149 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">DBIx::Class::Storage::DBIHacks::::_resolve_column_info</span>DBIx::Class::Storage::DBIHacks::<a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#475">_resolve_column_info</a></span></td></tr> |
150 | <tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">DBIx::Class::Storage::DBIHacks::::_resolve_ident_sources</span>DBIx::Class::Storage::DBIHacks::<a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#435">_resolve_ident_sources</a></span></td></tr> |
151 | </tbody></table> |
152 | Call graph for these subroutines as a |
153 | <a href="http://en.wikipedia.org/wiki/Graphviz">Graphviz</a> |
154 | <a href="Users-edenc-perl5-lib-perl5-DBIx-Class-Storage-DBIHacks-pm.dot">dot language file</a>. |
155 | |
156 | <table border="1" cellpadding="0"> |
157 | <thead> |
158 | <tr><th>Line</th> |
159 | <th><span title="Number of statements executed">State<br />ments</span></th> |
160 | <th><span title="Time spend executing statements on the line, |
161 | excluding time spent executing statements in any called subroutines">Time<br />on line</span></th> |
162 | <th><span title="Number of subroutines calls">Calls</span></th> |
163 | <th><span title="Time spent in subroutines called (inclusive)">Time<br />in subs</span></th> |
164 | <th class="left_indent_header">Code</th> |
165 | </tr> |
166 | |
167 | </thead> |
168 | <tbody> |
169 | <tr><td class="h"><a name="1"></a>1</td><td></td><td></td><td></td><td></td><td class="s">package #hide from PAUSE</td></tr> |
170 | <tr><td class="h"><a name="2"></a>2</td><td></td><td></td><td></td><td></td><td class="s"> DBIx::Class::Storage::DBIHacks;</td></tr> |
171 | <tr><td class="h"><a name="3"></a>3</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
172 | <tr><td class="h"><a name="4"></a>4</td><td></td><td></td><td></td><td></td><td class="s">#</td></tr> |
173 | <tr><td class="h"><a name="5"></a>5</td><td></td><td></td><td></td><td></td><td class="s"># This module contains code that should never have seen the light of day,</td></tr> |
174 | <tr><td class="h"><a name="6"></a>6</td><td></td><td></td><td></td><td></td><td class="s"># does not belong in the Storage, or is otherwise unfit for public</td></tr> |
175 | <tr><td class="h"><a name="7"></a>7</td><td></td><td></td><td></td><td></td><td class="s"># display. The arrival of SQLA2 should immediately obsolete 90% of this</td></tr> |
176 | <tr><td class="h"><a name="8"></a>8</td><td></td><td></td><td></td><td></td><td class="s">#</td></tr> |
177 | <tr><td class="h"><a name="9"></a>9</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
178 | <tr><td class="h"><a name="10"></a>10</td><td class="c3">2</td><td class="c3"><span title="Avg 12µs">24µs</span></td><td class="c3">2</td><td class="c3">21µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 18µs (15+3) within DBIx::Class::Storage::DBIHacks::BEGIN@10 which was called: |
179 | # once (15µs+3µs) by base::import at <a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#10">line 10</a></div></div>use strict;<div class="calls"><div class="calls_out"># spent 18µs making 1 call to <a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#10">DBIx::Class::Storage::DBIHacks::BEGIN@10</a> |
180 | # spent 3µs making 1 call to <a href="strict-pm-3-block.html#34">strict::import</a></div></div></td></tr> |
181 | <tr><td class="h"><a name="11"></a>11</td><td class="c3">2</td><td class="c3"><span title="Avg 14µs">28µs</span></td><td class="c3">2</td><td class="c3">16µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 11µs (7+5) within DBIx::Class::Storage::DBIHacks::BEGIN@11 which was called: |
182 | # once (7µs+5µs) by base::import at <a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#11">line 11</a></div></div>use warnings;<div class="calls"><div class="calls_out"># spent 11µs making 1 call to <a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#11">DBIx::Class::Storage::DBIHacks::BEGIN@11</a> |
183 | # spent 5µs making 1 call to <a href="warnings-pm-2-block.html#386">warnings::import</a></div></div></td></tr> |
184 | <tr><td class="h"><a name="12"></a>12</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
185 | <tr><td class="h"><a name="13"></a>13</td><td class="c3">2</td><td class="c1"><span title="Avg 16µs">32µs</span></td><td class="c3">2</td><td class="c0">6.01ms</td><td class="s"><div class="calls"><div class="calls_in"># spent 6.01ms (9µs+6.00) within DBIx::Class::Storage::DBIHacks::BEGIN@13 which was called: |
186 | # once (9µs+6.00ms) by base::import at <a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#13">line 13</a></div></div>use base 'DBIx::Class::Storage';<div class="calls"><div class="calls_out"># spent 6.01ms making 1 call to <a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#13">DBIx::Class::Storage::DBIHacks::BEGIN@13</a> |
187 | # spent 6.00ms making 1 call to <a href="base-pm-22-block.html#58">base::import</a>, recursion: max depth 1, sum of overlapping time 6.00ms</div></div></td></tr> |
188 | <tr><td class="h"><a name="14"></a>14</td><td class="c3">2</td><td class="c3"><span title="Avg 13µs">26µs</span></td><td class="c3">2</td><td class="c3">22µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 15µs (8+7) within DBIx::Class::Storage::DBIHacks::BEGIN@14 which was called: |
189 | # once (8µs+7µs) by base::import at <a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#14">line 14</a></div></div>use mro 'c3';<div class="calls"><div class="calls_out"># spent 15µs making 1 call to <a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#14">DBIx::Class::Storage::DBIHacks::BEGIN@14</a> |
190 | # spent 7µs making 1 call to <a href="mro-pm-85-block.html#17">mro::import</a></div></div></td></tr> |
191 | <tr><td class="h"><a name="15"></a>15</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
192 | <tr><td class="h"><a name="16"></a>16</td><td class="c3">2</td><td class="c3"><span title="Avg 14µs">27µs</span></td><td class="c3">2</td><td class="c3">68µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 40µs (12+28) within DBIx::Class::Storage::DBIHacks::BEGIN@16 which was called: |
193 | # once (12µs+28µs) by base::import at <a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#16">line 16</a></div></div>use List::Util 'first';<div class="calls"><div class="calls_out"># spent 40µs making 1 call to <a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#16">DBIx::Class::Storage::DBIHacks::BEGIN@16</a> |
194 | # spent 28µs making 1 call to <a href="Exporter-pm-8-block.html#28">Exporter::import</a></div></div></td></tr> |
195 | <tr><td class="h"><a name="17"></a>17</td><td class="c3">2</td><td class="c3"><span title="Avg 12µs">24µs</span></td><td class="c3">2</td><td class="c3">54µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 31µs (9+23) within DBIx::Class::Storage::DBIHacks::BEGIN@17 which was called: |
196 | # once (9µs+23µs) by base::import at <a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#17">line 17</a></div></div>use Scalar::Util 'blessed';<div class="calls"><div class="calls_out"># spent 31µs making 1 call to <a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#17">DBIx::Class::Storage::DBIHacks::BEGIN@17</a> |
197 | # spent 23µs making 1 call to <a href="Exporter-pm-8-block.html#28">Exporter::import</a></div></div></td></tr> |
198 | <tr><td class="h"><a name="18"></a>18</td><td class="c3">2</td><td class="c3"><span title="Avg 11µs">23µs</span></td><td class="c3">2</td><td class="c3">50µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 29µs (8+21) within DBIx::Class::Storage::DBIHacks::BEGIN@18 which was called: |
199 | # once (8µs+21µs) by base::import at <a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#18">line 18</a></div></div>use Sub::Name 'subname';<div class="calls"><div class="calls_out"># spent 29µs making 1 call to <a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#18">DBIx::Class::Storage::DBIHacks::BEGIN@18</a> |
200 | # spent 21µs making 1 call to <a href="Exporter-pm-8-block.html#28">Exporter::import</a></div></div></td></tr> |
201 | <tr><td class="h"><a name="19"></a>19</td><td class="c3">2</td><td class="c0"><span title="Avg 1.09ms">2.17ms</span></td><td class="c3">2</td><td class="c0">303µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 155µs (8+148) within DBIx::Class::Storage::DBIHacks::BEGIN@19 which was called: |
202 | # once (8µs+148µs) by base::import at <a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#19">line 19</a></div></div>use namespace::clean;<div class="calls"><div class="calls_out"># spent 155µs making 1 call to <a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#19">DBIx::Class::Storage::DBIHacks::BEGIN@19</a> |
203 | # spent 148µs making 1 call to <a href="namespace-clean-pm-379-block.html#288">namespace::clean::import</a></div></div></td></tr> |
204 | <tr><td class="h"><a name="20"></a>20</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
205 | <tr><td class="h"><a name="21"></a>21</td><td></td><td></td><td></td><td></td><td class="s">#</td></tr> |
206 | <tr><td class="h"><a name="22"></a>22</td><td></td><td></td><td></td><td></td><td class="s"># This code will remove non-selecting/non-restricting joins from</td></tr> |
207 | <tr><td class="h"><a name="23"></a>23</td><td></td><td></td><td></td><td></td><td class="s"># {from} specs, aiding the RDBMS query optimizer</td></tr> |
208 | <tr><td class="h"><a name="24"></a>24</td><td></td><td></td><td></td><td></td><td class="s">#</td></tr> |
209 | <tr><td class="h"><a name="25"></a>25</td><td></td><td></td><td></td><td></td><td class="s">sub _prune_unused_joins {</td></tr> |
210 | <tr><td class="h"><a name="26"></a>26</td><td></td><td></td><td></td><td></td><td class="s"> my $self = shift;</td></tr> |
211 | <tr><td class="h"><a name="27"></a>27</td><td></td><td></td><td></td><td></td><td class="s"> my ($from, $select, $where, $attrs) = @_;</td></tr> |
212 | <tr><td class="h"><a name="28"></a>28</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
213 | <tr><td class="h"><a name="29"></a>29</td><td></td><td></td><td></td><td></td><td class="s"> return $from unless $self->_use_join_optimizer;</td></tr> |
214 | <tr><td class="h"><a name="30"></a>30</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
215 | <tr><td class="h"><a name="31"></a>31</td><td></td><td></td><td></td><td></td><td class="s"> if (ref $from ne 'ARRAY' || ref $from->[0] ne 'HASH' || ref $from->[1] ne 'ARRAY') {</td></tr> |
216 | <tr><td class="h"><a name="32"></a>32</td><td></td><td></td><td></td><td></td><td class="s"> return $from; # only standard {from} specs are supported</td></tr> |
217 | <tr><td class="h"><a name="33"></a>33</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
218 | <tr><td class="h"><a name="34"></a>34</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
219 | <tr><td class="h"><a name="35"></a>35</td><td></td><td></td><td></td><td></td><td class="s"> my $aliastypes = $self->_resolve_aliastypes_from_select_args(@_);</td></tr> |
220 | <tr><td class="h"><a name="36"></a>36</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
221 | <tr><td class="h"><a name="37"></a>37</td><td></td><td></td><td></td><td></td><td class="s"> # a grouped set will not be affected by amount of rows. Thus any</td></tr> |
222 | <tr><td class="h"><a name="38"></a>38</td><td></td><td></td><td></td><td></td><td class="s"> # {multiplying} joins can go</td></tr> |
223 | <tr><td class="h"><a name="39"></a>39</td><td></td><td></td><td></td><td></td><td class="s"> delete $aliastypes->{multiplying} if $attrs->{group_by};</td></tr> |
224 | <tr><td class="h"><a name="40"></a>40</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
225 | <tr><td class="h"><a name="41"></a>41</td><td></td><td></td><td></td><td></td><td class="s"> my @newfrom = $from->[0]; # FROM head is always present</td></tr> |
226 | <tr><td class="h"><a name="42"></a>42</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
227 | <tr><td class="h"><a name="43"></a>43</td><td></td><td></td><td></td><td></td><td class="s"> my %need_joins;</td></tr> |
228 | <tr><td class="h"><a name="44"></a>44</td><td></td><td></td><td></td><td></td><td class="s"> for (values %$aliastypes) {</td></tr> |
229 | <tr><td class="h"><a name="45"></a>45</td><td></td><td></td><td></td><td></td><td class="s"> # add all requested aliases</td></tr> |
230 | <tr><td class="h"><a name="46"></a>46</td><td></td><td></td><td></td><td></td><td class="s"> $need_joins{$_} = 1 for keys %$_;</td></tr> |
231 | <tr><td class="h"><a name="47"></a>47</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
232 | <tr><td class="h"><a name="48"></a>48</td><td></td><td></td><td></td><td></td><td class="s"> # add all their parents (as per joinpath which is an AoH { table => alias })</td></tr> |
233 | <tr><td class="h"><a name="49"></a>49</td><td></td><td></td><td></td><td></td><td class="s"> $need_joins{$_} = 1 for map { values %$_ } map { @$_ } values %$_;</td></tr> |
234 | <tr><td class="h"><a name="50"></a>50</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
235 | <tr><td class="h"><a name="51"></a>51</td><td></td><td></td><td></td><td></td><td class="s"> for my $j (@{$from}[1..$#$from]) {</td></tr> |
236 | <tr><td class="h"><a name="52"></a>52</td><td></td><td></td><td></td><td></td><td class="s"> push @newfrom, $j if (</td></tr> |
237 | <tr><td class="h"><a name="53"></a>53</td><td></td><td></td><td></td><td></td><td class="s"> (! $j->[0]{-alias}) # legacy crap</td></tr> |
238 | <tr><td class="h"><a name="54"></a>54</td><td></td><td></td><td></td><td></td><td class="s"> ||</td></tr> |
239 | <tr><td class="h"><a name="55"></a>55</td><td></td><td></td><td></td><td></td><td class="s"> $need_joins{$j->[0]{-alias}}</td></tr> |
240 | <tr><td class="h"><a name="56"></a>56</td><td></td><td></td><td></td><td></td><td class="s"> );</td></tr> |
241 | <tr><td class="h"><a name="57"></a>57</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
242 | <tr><td class="h"><a name="58"></a>58</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
243 | <tr><td class="h"><a name="59"></a>59</td><td></td><td></td><td></td><td></td><td class="s"> return \@newfrom;</td></tr> |
244 | <tr><td class="h"><a name="60"></a>60</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
245 | <tr><td class="h"><a name="61"></a>61</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
246 | <tr><td class="h"><a name="62"></a>62</td><td></td><td></td><td></td><td></td><td class="s">#</td></tr> |
247 | <tr><td class="h"><a name="63"></a>63</td><td></td><td></td><td></td><td></td><td class="s"># This is the code producing joined subqueries like:</td></tr> |
248 | <tr><td class="h"><a name="64"></a>64</td><td></td><td></td><td></td><td></td><td class="s"># SELECT me.*, other.* FROM ( SELECT me.* FROM ... ) JOIN other ON ... </td></tr> |
249 | <tr><td class="h"><a name="65"></a>65</td><td></td><td></td><td></td><td></td><td class="s">#</td></tr> |
250 | <tr><td class="h"><a name="66"></a>66</td><td></td><td></td><td></td><td></td><td class="s">sub _adjust_select_args_for_complex_prefetch {</td></tr> |
251 | <tr><td class="h"><a name="67"></a>67</td><td></td><td></td><td></td><td></td><td class="s"> my ($self, $from, $select, $where, $attrs) = @_;</td></tr> |
252 | <tr><td class="h"><a name="68"></a>68</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
253 | <tr><td class="h"><a name="69"></a>69</td><td></td><td></td><td></td><td></td><td class="s"> $self->throw_exception ('Nothing to prefetch... how did we get here?!')</td></tr> |
254 | <tr><td class="h"><a name="70"></a>70</td><td></td><td></td><td></td><td></td><td class="s"> if not @{$attrs->{_prefetch_selector_range}};</td></tr> |
255 | <tr><td class="h"><a name="71"></a>71</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
256 | <tr><td class="h"><a name="72"></a>72</td><td></td><td></td><td></td><td></td><td class="s"> $self->throw_exception ('Complex prefetches are not supported on resultsets with a custom from attribute')</td></tr> |
257 | <tr><td class="h"><a name="73"></a>73</td><td></td><td></td><td></td><td></td><td class="s"> if (ref $from ne 'ARRAY' || ref $from->[0] ne 'HASH' || ref $from->[1] ne 'ARRAY');</td></tr> |
258 | <tr><td class="h"><a name="74"></a>74</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
259 | <tr><td class="h"><a name="75"></a>75</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
260 | <tr><td class="h"><a name="76"></a>76</td><td></td><td></td><td></td><td></td><td class="s"> # generate inner/outer attribute lists, remove stuff that doesn't apply</td></tr> |
261 | <tr><td class="h"><a name="77"></a>77</td><td></td><td></td><td></td><td></td><td class="s"> my $outer_attrs = { %$attrs };</td></tr> |
262 | <tr><td class="h"><a name="78"></a>78</td><td></td><td></td><td></td><td></td><td class="s"> delete $outer_attrs->{$_} for qw/where bind rows offset group_by having/;</td></tr> |
263 | <tr><td class="h"><a name="79"></a>79</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
264 | <tr><td class="h"><a name="80"></a>80</td><td></td><td></td><td></td><td></td><td class="s"> my $inner_attrs = { %$attrs };</td></tr> |
265 | <tr><td class="h"><a name="81"></a>81</td><td></td><td></td><td></td><td></td><td class="s"> delete $inner_attrs->{$_} for qw/for collapse _prefetch_selector_range _collapse_order_by select as/;</td></tr> |
266 | <tr><td class="h"><a name="82"></a>82</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
267 | <tr><td class="h"><a name="83"></a>83</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
268 | <tr><td class="h"><a name="84"></a>84</td><td></td><td></td><td></td><td></td><td class="s"> # bring over all non-collapse-induced order_by into the inner query (if any)</td></tr> |
269 | <tr><td class="h"><a name="85"></a>85</td><td></td><td></td><td></td><td></td><td class="s"> # the outer one will have to keep them all</td></tr> |
270 | <tr><td class="h"><a name="86"></a>86</td><td></td><td></td><td></td><td></td><td class="s"> delete $inner_attrs->{order_by};</td></tr> |
271 | <tr><td class="h"><a name="87"></a>87</td><td></td><td></td><td></td><td></td><td class="s"> if (my $ord_cnt = @{$outer_attrs->{order_by}} - @{$outer_attrs->{_collapse_order_by}} ) {</td></tr> |
272 | <tr><td class="h"><a name="88"></a>88</td><td></td><td></td><td></td><td></td><td class="s"> $inner_attrs->{order_by} = [</td></tr> |
273 | <tr><td class="h"><a name="89"></a>89</td><td></td><td></td><td></td><td></td><td class="s"> @{$outer_attrs->{order_by}}[ 0 .. $ord_cnt - 1]</td></tr> |
274 | <tr><td class="h"><a name="90"></a>90</td><td></td><td></td><td></td><td></td><td class="s"> ];</td></tr> |
275 | <tr><td class="h"><a name="91"></a>91</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
276 | <tr><td class="h"><a name="92"></a>92</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
277 | <tr><td class="h"><a name="93"></a>93</td><td></td><td></td><td></td><td></td><td class="s"> # generate the inner/outer select lists</td></tr> |
278 | <tr><td class="h"><a name="94"></a>94</td><td></td><td></td><td></td><td></td><td class="s"> # for inside we consider only stuff *not* brought in by the prefetch</td></tr> |
279 | <tr><td class="h"><a name="95"></a>95</td><td></td><td></td><td></td><td></td><td class="s"> # on the outside we substitute any function for its alias</td></tr> |
280 | <tr><td class="h"><a name="96"></a>96</td><td></td><td></td><td></td><td></td><td class="s"> my $outer_select = [ @$select ];</td></tr> |
281 | <tr><td class="h"><a name="97"></a>97</td><td></td><td></td><td></td><td></td><td class="s"> my $inner_select = [];</td></tr> |
282 | <tr><td class="h"><a name="98"></a>98</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
283 | <tr><td class="h"><a name="99"></a>99</td><td></td><td></td><td></td><td></td><td class="s"> my ($p_start, $p_end) = @{$outer_attrs->{_prefetch_selector_range}};</td></tr> |
284 | <tr><td class="h"><a name="100"></a>100</td><td></td><td></td><td></td><td></td><td class="s"> for my $i (0 .. $p_start - 1, $p_end + 1 .. $#$outer_select) {</td></tr> |
285 | <tr><td class="h"><a name="101"></a>101</td><td></td><td></td><td></td><td></td><td class="s"> my $sel = $outer_select->[$i];</td></tr> |
286 | <tr><td class="h"><a name="102"></a>102</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
287 | <tr><td class="h"><a name="103"></a>103</td><td></td><td></td><td></td><td></td><td class="s"> if (ref $sel eq 'HASH' ) {</td></tr> |
288 | <tr><td class="h"><a name="104"></a>104</td><td></td><td></td><td></td><td></td><td class="s"> $sel->{-as} ||= $attrs->{as}[$i];</td></tr> |
289 | <tr><td class="h"><a name="105"></a>105</td><td></td><td></td><td></td><td></td><td class="s"> $outer_select->[$i] = join ('.', $attrs->{alias}, ($sel->{-as} || "inner_column_$i") );</td></tr> |
290 | <tr><td class="h"><a name="106"></a>106</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
291 | <tr><td class="h"><a name="107"></a>107</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
292 | <tr><td class="h"><a name="108"></a>108</td><td></td><td></td><td></td><td></td><td class="s"> push @$inner_select, $sel;</td></tr> |
293 | <tr><td class="h"><a name="109"></a>109</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
294 | <tr><td class="h"><a name="110"></a>110</td><td></td><td></td><td></td><td></td><td class="s"> push @{$inner_attrs->{as}}, $attrs->{as}[$i];</td></tr> |
295 | <tr><td class="h"><a name="111"></a>111</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
296 | <tr><td class="h"><a name="112"></a>112</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
297 | <tr><td class="h"><a name="113"></a>113</td><td></td><td></td><td></td><td></td><td class="s"> # construct the inner $from and lock it in a subquery</td></tr> |
298 | <tr><td class="h"><a name="114"></a>114</td><td></td><td></td><td></td><td></td><td class="s"> # we need to prune first, because this will determine if we need a group_by below</td></tr> |
299 | <tr><td class="h"><a name="115"></a>115</td><td></td><td></td><td></td><td></td><td class="s"> # the fake group_by is so that the pruner throws away all non-selecting, non-restricting</td></tr> |
300 | <tr><td class="h"><a name="116"></a>116</td><td></td><td></td><td></td><td></td><td class="s"> # multijoins (since we def. do not care about those inside the subquery)</td></tr> |
301 | <tr><td class="h"><a name="117"></a>117</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
302 | <tr><td class="h"><a name="118"></a>118</td><td></td><td></td><td></td><td></td><td class="s"> my $inner_subq = do {</td></tr> |
303 | <tr><td class="h"><a name="119"></a>119</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
304 | <tr><td class="h"><a name="120"></a>120</td><td></td><td></td><td></td><td></td><td class="s"> # must use it here regardless of user requests</td></tr> |
305 | <tr><td class="h"><a name="121"></a>121</td><td></td><td></td><td></td><td></td><td class="s"> local $self->{_use_join_optimizer} = 1;</td></tr> |
306 | <tr><td class="h"><a name="122"></a>122</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
307 | <tr><td class="h"><a name="123"></a>123</td><td></td><td></td><td></td><td></td><td class="s"> my $inner_from = $self->_prune_unused_joins ($from, $inner_select, $where, {</td></tr> |
308 | <tr><td class="h"><a name="124"></a>124</td><td></td><td></td><td></td><td></td><td class="s"> group_by => ['dummy'], %$inner_attrs,</td></tr> |
309 | <tr><td class="h"><a name="125"></a>125</td><td></td><td></td><td></td><td></td><td class="s"> });</td></tr> |
310 | <tr><td class="h"><a name="126"></a>126</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
311 | <tr><td class="h"><a name="127"></a>127</td><td></td><td></td><td></td><td></td><td class="s"> my $inner_aliastypes =</td></tr> |
312 | <tr><td class="h"><a name="128"></a>128</td><td></td><td></td><td></td><td></td><td class="s"> $self->_resolve_aliastypes_from_select_args( $inner_from, $inner_select, $where, $inner_attrs );</td></tr> |
313 | <tr><td class="h"><a name="129"></a>129</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
314 | <tr><td class="h"><a name="130"></a>130</td><td></td><td></td><td></td><td></td><td class="s"> # we need to simulate collapse in the subq if a multiplying join is pulled</td></tr> |
315 | <tr><td class="h"><a name="131"></a>131</td><td></td><td></td><td></td><td></td><td class="s"> # by being a non-selecting restrictor</td></tr> |
316 | <tr><td class="h"><a name="132"></a>132</td><td></td><td></td><td></td><td></td><td class="s"> if (</td></tr> |
317 | <tr><td class="h"><a name="133"></a>133</td><td></td><td></td><td></td><td></td><td class="s"> ! $inner_attrs->{group_by}</td></tr> |
318 | <tr><td class="h"><a name="134"></a>134</td><td></td><td></td><td></td><td></td><td class="s"> and</td></tr> |
319 | <tr><td class="h"><a name="135"></a>135</td><td></td><td></td><td></td><td></td><td class="s"> first {</td></tr> |
320 | <tr><td class="h"><a name="136"></a>136</td><td></td><td></td><td></td><td></td><td class="s"> $inner_aliastypes->{restricting}{$_}</td></tr> |
321 | <tr><td class="h"><a name="137"></a>137</td><td></td><td></td><td></td><td></td><td class="s"> and</td></tr> |
322 | <tr><td class="h"><a name="138"></a>138</td><td></td><td></td><td></td><td></td><td class="s"> ! $inner_aliastypes->{selecting}{$_}</td></tr> |
323 | <tr><td class="h"><a name="139"></a>139</td><td></td><td></td><td></td><td></td><td class="s"> } ( keys %{$inner_aliastypes->{multiplying}||{}} )</td></tr> |
324 | <tr><td class="h"><a name="140"></a>140</td><td></td><td></td><td></td><td></td><td class="s"> ) {</td></tr> |
325 | <tr><td class="h"><a name="141"></a>141</td><td></td><td></td><td></td><td></td><td class="s"> my $unprocessed_order_chunks;</td></tr> |
326 | <tr><td class="h"><a name="142"></a>142</td><td></td><td></td><td></td><td></td><td class="s"> ($inner_attrs->{group_by}, $unprocessed_order_chunks) = $self->_group_over_selection (</td></tr> |
327 | <tr><td class="h"><a name="143"></a>143</td><td></td><td></td><td></td><td></td><td class="s"> $inner_from, $inner_select, $inner_attrs->{order_by}</td></tr> |
328 | <tr><td class="h"><a name="144"></a>144</td><td></td><td></td><td></td><td></td><td class="s"> );</td></tr> |
329 | <tr><td class="h"><a name="145"></a>145</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
330 | <tr><td class="h"><a name="146"></a>146</td><td></td><td></td><td></td><td></td><td class="s"> $self->throw_exception (</td></tr> |
331 | <tr><td class="h"><a name="147"></a>147</td><td></td><td></td><td></td><td></td><td class="s"> 'A required group_by clause could not be constructed automatically due to a complex '</td></tr> |
332 | <tr><td class="h"><a name="148"></a>148</td><td></td><td></td><td></td><td></td><td class="s"> . 'order_by criteria. Either order_by columns only (no functions) or construct a suitable '</td></tr> |
333 | <tr><td class="h"><a name="149"></a>149</td><td></td><td></td><td></td><td></td><td class="s"> . 'group_by by hand'</td></tr> |
334 | <tr><td class="h"><a name="150"></a>150</td><td></td><td></td><td></td><td></td><td class="s"> ) if $unprocessed_order_chunks;</td></tr> |
335 | <tr><td class="h"><a name="151"></a>151</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
336 | <tr><td class="h"><a name="152"></a>152</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
337 | <tr><td class="h"><a name="153"></a>153</td><td></td><td></td><td></td><td></td><td class="s"> # we already optimized $inner_from above</td></tr> |
338 | <tr><td class="h"><a name="154"></a>154</td><td></td><td></td><td></td><td></td><td class="s"> local $self->{_use_join_optimizer} = 0;</td></tr> |
339 | <tr><td class="h"><a name="155"></a>155</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
340 | <tr><td class="h"><a name="156"></a>156</td><td></td><td></td><td></td><td></td><td class="s"> # generate the subquery</td></tr> |
341 | <tr><td class="h"><a name="157"></a>157</td><td></td><td></td><td></td><td></td><td class="s"> $self->_select_args_to_query (</td></tr> |
342 | <tr><td class="h"><a name="158"></a>158</td><td></td><td></td><td></td><td></td><td class="s"> $inner_from,</td></tr> |
343 | <tr><td class="h"><a name="159"></a>159</td><td></td><td></td><td></td><td></td><td class="s"> $inner_select,</td></tr> |
344 | <tr><td class="h"><a name="160"></a>160</td><td></td><td></td><td></td><td></td><td class="s"> $where,</td></tr> |
345 | <tr><td class="h"><a name="161"></a>161</td><td></td><td></td><td></td><td></td><td class="s"> $inner_attrs,</td></tr> |
346 | <tr><td class="h"><a name="162"></a>162</td><td></td><td></td><td></td><td></td><td class="s"> );</td></tr> |
347 | <tr><td class="h"><a name="163"></a>163</td><td></td><td></td><td></td><td></td><td class="s"> };</td></tr> |
348 | <tr><td class="h"><a name="164"></a>164</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
349 | <tr><td class="h"><a name="165"></a>165</td><td></td><td></td><td></td><td></td><td class="s"> # Generate the outer from - this is relatively easy (really just replace</td></tr> |
350 | <tr><td class="h"><a name="166"></a>166</td><td></td><td></td><td></td><td></td><td class="s"> # the join slot with the subquery), with a major caveat - we can not</td></tr> |
351 | <tr><td class="h"><a name="167"></a>167</td><td></td><td></td><td></td><td></td><td class="s"> # join anything that is non-selecting (not part of the prefetch), but at</td></tr> |
352 | <tr><td class="h"><a name="168"></a>168</td><td></td><td></td><td></td><td></td><td class="s"> # the same time is a multi-type relationship, as it will explode the result.</td></tr> |
353 | <tr><td class="h"><a name="169"></a>169</td><td></td><td></td><td></td><td></td><td class="s"> #</td></tr> |
354 | <tr><td class="h"><a name="170"></a>170</td><td></td><td></td><td></td><td></td><td class="s"> # There are two possibilities here</td></tr> |
355 | <tr><td class="h"><a name="171"></a>171</td><td></td><td></td><td></td><td></td><td class="s"> # - either the join is non-restricting, in which case we simply throw it away</td></tr> |
356 | <tr><td class="h"><a name="172"></a>172</td><td></td><td></td><td></td><td></td><td class="s"> # - it is part of the restrictions, in which case we need to collapse the outer</td></tr> |
357 | <tr><td class="h"><a name="173"></a>173</td><td></td><td></td><td></td><td></td><td class="s"> # result by tackling yet another group_by to the outside of the query</td></tr> |
358 | <tr><td class="h"><a name="174"></a>174</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
359 | <tr><td class="h"><a name="175"></a>175</td><td></td><td></td><td></td><td></td><td class="s"> $from = [ @$from ];</td></tr> |
360 | <tr><td class="h"><a name="176"></a>176</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
361 | <tr><td class="h"><a name="177"></a>177</td><td></td><td></td><td></td><td></td><td class="s"> # so first generate the outer_from, up to the substitution point</td></tr> |
362 | <tr><td class="h"><a name="178"></a>178</td><td></td><td></td><td></td><td></td><td class="s"> my @outer_from;</td></tr> |
363 | <tr><td class="h"><a name="179"></a>179</td><td></td><td></td><td></td><td></td><td class="s"> while (my $j = shift @$from) {</td></tr> |
364 | <tr><td class="h"><a name="180"></a>180</td><td></td><td></td><td></td><td></td><td class="s"> $j = [ $j ] unless ref $j eq 'ARRAY'; # promote the head-from to an AoH</td></tr> |
365 | <tr><td class="h"><a name="181"></a>181</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
366 | <tr><td class="h"><a name="182"></a>182</td><td></td><td></td><td></td><td></td><td class="s"> if ($j->[0]{-alias} eq $attrs->{alias}) { # time to swap</td></tr> |
367 | <tr><td class="h"><a name="183"></a>183</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
368 | <tr><td class="h"><a name="184"></a>184</td><td></td><td></td><td></td><td></td><td class="s"> push @outer_from, [</td></tr> |
369 | <tr><td class="h"><a name="185"></a>185</td><td></td><td></td><td></td><td></td><td class="s"> {</td></tr> |
370 | <tr><td class="h"><a name="186"></a>186</td><td></td><td></td><td></td><td></td><td class="s"> -alias => $attrs->{alias},</td></tr> |
371 | <tr><td class="h"><a name="187"></a>187</td><td></td><td></td><td></td><td></td><td class="s"> -rsrc => $j->[0]{-rsrc},</td></tr> |
372 | <tr><td class="h"><a name="188"></a>188</td><td></td><td></td><td></td><td></td><td class="s"> $attrs->{alias} => $inner_subq,</td></tr> |
373 | <tr><td class="h"><a name="189"></a>189</td><td></td><td></td><td></td><td></td><td class="s"> },</td></tr> |
374 | <tr><td class="h"><a name="190"></a>190</td><td></td><td></td><td></td><td></td><td class="s"> @{$j}[1 .. $#$j],</td></tr> |
375 | <tr><td class="h"><a name="191"></a>191</td><td></td><td></td><td></td><td></td><td class="s"> ];</td></tr> |
376 | <tr><td class="h"><a name="192"></a>192</td><td></td><td></td><td></td><td></td><td class="s"> last; # we'll take care of what's left in $from below</td></tr> |
377 | <tr><td class="h"><a name="193"></a>193</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
378 | <tr><td class="h"><a name="194"></a>194</td><td></td><td></td><td></td><td></td><td class="s"> else {</td></tr> |
379 | <tr><td class="h"><a name="195"></a>195</td><td></td><td></td><td></td><td></td><td class="s"> push @outer_from, $j;</td></tr> |
380 | <tr><td class="h"><a name="196"></a>196</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
381 | <tr><td class="h"><a name="197"></a>197</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
382 | <tr><td class="h"><a name="198"></a>198</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
383 | <tr><td class="h"><a name="199"></a>199</td><td></td><td></td><td></td><td></td><td class="s"> # scan the *remaining* from spec against different attributes, and see which joins are needed</td></tr> |
384 | <tr><td class="h"><a name="200"></a>200</td><td></td><td></td><td></td><td></td><td class="s"> # in what role</td></tr> |
385 | <tr><td class="h"><a name="201"></a>201</td><td></td><td></td><td></td><td></td><td class="s"> my $outer_aliastypes =</td></tr> |
386 | <tr><td class="h"><a name="202"></a>202</td><td></td><td></td><td></td><td></td><td class="s"> $self->_resolve_aliastypes_from_select_args( $from, $outer_select, $where, $outer_attrs );</td></tr> |
387 | <tr><td class="h"><a name="203"></a>203</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
388 | <tr><td class="h"><a name="204"></a>204</td><td></td><td></td><td></td><td></td><td class="s"> # unroll parents</td></tr> |
389 | <tr><td class="h"><a name="205"></a>205</td><td></td><td></td><td></td><td></td><td class="s"> my ($outer_select_chain, $outer_restrict_chain) = map { +{</td></tr> |
390 | <tr><td class="h"><a name="206"></a>206</td><td></td><td></td><td></td><td></td><td class="s"> map { $_ => 1 } map { values %$_} map { @$_ } values %{ $outer_aliastypes->{$_} || {} }</td></tr> |
391 | <tr><td class="h"><a name="207"></a>207</td><td></td><td></td><td></td><td></td><td class="s"> } } qw/selecting restricting/;</td></tr> |
392 | <tr><td class="h"><a name="208"></a>208</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
393 | <tr><td class="h"><a name="209"></a>209</td><td></td><td></td><td></td><td></td><td class="s"> # see what's left - throw away if not selecting/restricting</td></tr> |
394 | <tr><td class="h"><a name="210"></a>210</td><td></td><td></td><td></td><td></td><td class="s"> # also throw in a group_by if a non-selecting multiplier,</td></tr> |
395 | <tr><td class="h"><a name="211"></a>211</td><td></td><td></td><td></td><td></td><td class="s"> # to guard against cross-join explosions</td></tr> |
396 | <tr><td class="h"><a name="212"></a>212</td><td></td><td></td><td></td><td></td><td class="s"> my $need_outer_group_by;</td></tr> |
397 | <tr><td class="h"><a name="213"></a>213</td><td></td><td></td><td></td><td></td><td class="s"> while (my $j = shift @$from) {</td></tr> |
398 | <tr><td class="h"><a name="214"></a>214</td><td></td><td></td><td></td><td></td><td class="s"> my $alias = $j->[0]{-alias};</td></tr> |
399 | <tr><td class="h"><a name="215"></a>215</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
400 | <tr><td class="h"><a name="216"></a>216</td><td></td><td></td><td></td><td></td><td class="s"> if (</td></tr> |
401 | <tr><td class="h"><a name="217"></a>217</td><td></td><td></td><td></td><td></td><td class="s"> $outer_select_chain->{$alias}</td></tr> |
402 | <tr><td class="h"><a name="218"></a>218</td><td></td><td></td><td></td><td></td><td class="s"> ) {</td></tr> |
403 | <tr><td class="h"><a name="219"></a>219</td><td></td><td></td><td></td><td></td><td class="s"> push @outer_from, $j</td></tr> |
404 | <tr><td class="h"><a name="220"></a>220</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
405 | <tr><td class="h"><a name="221"></a>221</td><td></td><td></td><td></td><td></td><td class="s"> elsif ($outer_restrict_chain->{$alias}) {</td></tr> |
406 | <tr><td class="h"><a name="222"></a>222</td><td></td><td></td><td></td><td></td><td class="s"> push @outer_from, $j;</td></tr> |
407 | <tr><td class="h"><a name="223"></a>223</td><td></td><td></td><td></td><td></td><td class="s"> $need_outer_group_by ||= $outer_aliastypes->{multiplying}{$alias} ? 1 : 0;</td></tr> |
408 | <tr><td class="h"><a name="224"></a>224</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
409 | <tr><td class="h"><a name="225"></a>225</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
410 | <tr><td class="h"><a name="226"></a>226</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
411 | <tr><td class="h"><a name="227"></a>227</td><td></td><td></td><td></td><td></td><td class="s"> # demote the outer_from head</td></tr> |
412 | <tr><td class="h"><a name="228"></a>228</td><td></td><td></td><td></td><td></td><td class="s"> $outer_from[0] = $outer_from[0][0];</td></tr> |
413 | <tr><td class="h"><a name="229"></a>229</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
414 | <tr><td class="h"><a name="230"></a>230</td><td></td><td></td><td></td><td></td><td class="s"> if ($need_outer_group_by and ! $outer_attrs->{group_by}) {</td></tr> |
415 | <tr><td class="h"><a name="231"></a>231</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
416 | <tr><td class="h"><a name="232"></a>232</td><td></td><td></td><td></td><td></td><td class="s"> my $unprocessed_order_chunks;</td></tr> |
417 | <tr><td class="h"><a name="233"></a>233</td><td></td><td></td><td></td><td></td><td class="s"> ($outer_attrs->{group_by}, $unprocessed_order_chunks) = $self->_group_over_selection (</td></tr> |
418 | <tr><td class="h"><a name="234"></a>234</td><td></td><td></td><td></td><td></td><td class="s"> \@outer_from, $outer_select, $outer_attrs->{order_by}</td></tr> |
419 | <tr><td class="h"><a name="235"></a>235</td><td></td><td></td><td></td><td></td><td class="s"> );</td></tr> |
420 | <tr><td class="h"><a name="236"></a>236</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
421 | <tr><td class="h"><a name="237"></a>237</td><td></td><td></td><td></td><td></td><td class="s"> $self->throw_exception (</td></tr> |
422 | <tr><td class="h"><a name="238"></a>238</td><td></td><td></td><td></td><td></td><td class="s"> 'A required group_by clause could not be constructed automatically due to a complex '</td></tr> |
423 | <tr><td class="h"><a name="239"></a>239</td><td></td><td></td><td></td><td></td><td class="s"> . 'order_by criteria. Either order_by columns only (no functions) or construct a suitable '</td></tr> |
424 | <tr><td class="h"><a name="240"></a>240</td><td></td><td></td><td></td><td></td><td class="s"> . 'group_by by hand'</td></tr> |
425 | <tr><td class="h"><a name="241"></a>241</td><td></td><td></td><td></td><td></td><td class="s"> ) if $unprocessed_order_chunks;</td></tr> |
426 | <tr><td class="h"><a name="242"></a>242</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
427 | <tr><td class="h"><a name="243"></a>243</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
428 | <tr><td class="h"><a name="244"></a>244</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
429 | <tr><td class="h"><a name="245"></a>245</td><td></td><td></td><td></td><td></td><td class="s"> # This is totally horrific - the $where ends up in both the inner and outer query</td></tr> |
430 | <tr><td class="h"><a name="246"></a>246</td><td></td><td></td><td></td><td></td><td class="s"> # Unfortunately not much can be done until SQLA2 introspection arrives, and even</td></tr> |
431 | <tr><td class="h"><a name="247"></a>247</td><td></td><td></td><td></td><td></td><td class="s"> # then if where conditions apply to the *right* side of the prefetch, you may have</td></tr> |
432 | <tr><td class="h"><a name="248"></a>248</td><td></td><td></td><td></td><td></td><td class="s"> # to both filter the inner select (e.g. to apply a limit) and then have to re-filter</td></tr> |
433 | <tr><td class="h"><a name="249"></a>249</td><td></td><td></td><td></td><td></td><td class="s"> # the outer select to exclude joins you didin't want in the first place</td></tr> |
434 | <tr><td class="h"><a name="250"></a>250</td><td></td><td></td><td></td><td></td><td class="s"> #</td></tr> |
435 | <tr><td class="h"><a name="251"></a>251</td><td></td><td></td><td></td><td></td><td class="s"> # OTOH it can be seen as a plus: <ash> (notes that this query would make a DBA cry ;)</td></tr> |
436 | <tr><td class="h"><a name="252"></a>252</td><td></td><td></td><td></td><td></td><td class="s"> return (\@outer_from, $outer_select, $where, $outer_attrs);</td></tr> |
437 | <tr><td class="h"><a name="253"></a>253</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
438 | <tr><td class="h"><a name="254"></a>254</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
439 | <tr><td class="h"><a name="255"></a>255</td><td></td><td></td><td></td><td></td><td class="s">#</td></tr> |
440 | <tr><td class="h"><a name="256"></a>256</td><td></td><td></td><td></td><td></td><td class="s"># I KNOW THIS SUCKS! GET SQLA2 OUT THE DOOR SO THIS CAN DIE!</td></tr> |
441 | <tr><td class="h"><a name="257"></a>257</td><td></td><td></td><td></td><td></td><td class="s">#</td></tr> |
442 | <tr><td class="h"><a name="258"></a>258</td><td></td><td></td><td></td><td></td><td class="s"># Due to a lack of SQLA2 we fall back to crude scans of all the</td></tr> |
443 | <tr><td class="h"><a name="259"></a>259</td><td></td><td></td><td></td><td></td><td class="s"># select/where/order/group attributes, in order to determine what</td></tr> |
444 | <tr><td class="h"><a name="260"></a>260</td><td></td><td></td><td></td><td></td><td class="s"># aliases are neded to fulfill the query. This information is used</td></tr> |
445 | <tr><td class="h"><a name="261"></a>261</td><td></td><td></td><td></td><td></td><td class="s"># throughout the code to prune unnecessary JOINs from the queries</td></tr> |
446 | <tr><td class="h"><a name="262"></a>262</td><td></td><td></td><td></td><td></td><td class="s"># in an attempt to reduce the execution time.</td></tr> |
447 | <tr><td class="h"><a name="263"></a>263</td><td></td><td></td><td></td><td></td><td class="s"># Although the method is pretty horrific, the worst thing that can</td></tr> |
448 | <tr><td class="h"><a name="264"></a>264</td><td></td><td></td><td></td><td></td><td class="s"># happen is for it to fail due to some scalar SQL, which in turn will</td></tr> |
449 | <tr><td class="h"><a name="265"></a>265</td><td></td><td></td><td></td><td></td><td class="s"># result in a vocal exception.</td></tr> |
450 | <tr><td class="h"><a name="266"></a>266</td><td></td><td></td><td></td><td></td><td class="s">sub _resolve_aliastypes_from_select_args {</td></tr> |
451 | <tr><td class="h"><a name="267"></a>267</td><td></td><td></td><td></td><td></td><td class="s"> my ( $self, $from, $select, $where, $attrs ) = @_;</td></tr> |
452 | <tr><td class="h"><a name="268"></a>268</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
453 | <tr><td class="h"><a name="269"></a>269</td><td></td><td></td><td></td><td></td><td class="s"> $self->throw_exception ('Unable to analyze custom {from}')</td></tr> |
454 | <tr><td class="h"><a name="270"></a>270</td><td></td><td></td><td></td><td></td><td class="s"> if ref $from ne 'ARRAY';</td></tr> |
455 | <tr><td class="h"><a name="271"></a>271</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
456 | <tr><td class="h"><a name="272"></a>272</td><td></td><td></td><td></td><td></td><td class="s"> # what we will return</td></tr> |
457 | <tr><td class="h"><a name="273"></a>273</td><td></td><td></td><td></td><td></td><td class="s"> my $aliases_by_type;</td></tr> |
458 | <tr><td class="h"><a name="274"></a>274</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
459 | <tr><td class="h"><a name="275"></a>275</td><td></td><td></td><td></td><td></td><td class="s"> # see what aliases are there to work with</td></tr> |
460 | <tr><td class="h"><a name="276"></a>276</td><td></td><td></td><td></td><td></td><td class="s"> my $alias_list;</td></tr> |
461 | <tr><td class="h"><a name="277"></a>277</td><td></td><td></td><td></td><td></td><td class="s"> for (@$from) {</td></tr> |
462 | <tr><td class="h"><a name="278"></a>278</td><td></td><td></td><td></td><td></td><td class="s"> my $j = $_;</td></tr> |
463 | <tr><td class="h"><a name="279"></a>279</td><td></td><td></td><td></td><td></td><td class="s"> $j = $j->[0] if ref $j eq 'ARRAY';</td></tr> |
464 | <tr><td class="h"><a name="280"></a>280</td><td></td><td></td><td></td><td></td><td class="s"> my $al = $j->{-alias}</td></tr> |
465 | <tr><td class="h"><a name="281"></a>281</td><td></td><td></td><td></td><td></td><td class="s"> or next;</td></tr> |
466 | <tr><td class="h"><a name="282"></a>282</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
467 | <tr><td class="h"><a name="283"></a>283</td><td></td><td></td><td></td><td></td><td class="s"> $alias_list->{$al} = $j;</td></tr> |
468 | <tr><td class="h"><a name="284"></a>284</td><td></td><td></td><td></td><td></td><td class="s"> $aliases_by_type->{multiplying}{$al} ||= $j->{-join_path}||[] if (</td></tr> |
469 | <tr><td class="h"><a name="285"></a>285</td><td></td><td></td><td></td><td></td><td class="s"> # not array == {from} head == can't be multiplying</td></tr> |
470 | <tr><td class="h"><a name="286"></a>286</td><td></td><td></td><td></td><td></td><td class="s"> ( ref($_) eq 'ARRAY' and ! $j->{-is_single} )</td></tr> |
471 | <tr><td class="h"><a name="287"></a>287</td><td></td><td></td><td></td><td></td><td class="s"> or</td></tr> |
472 | <tr><td class="h"><a name="288"></a>288</td><td></td><td></td><td></td><td></td><td class="s"> # a parent of ours is already a multiplier</td></tr> |
473 | <tr><td class="h"><a name="289"></a>289</td><td></td><td></td><td></td><td></td><td class="s"> ( grep { $aliases_by_type->{multiplying}{$_} } @{ $j->{-join_path}||[] } )</td></tr> |
474 | <tr><td class="h"><a name="290"></a>290</td><td></td><td></td><td></td><td></td><td class="s"> );</td></tr> |
475 | <tr><td class="h"><a name="291"></a>291</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
476 | <tr><td class="h"><a name="292"></a>292</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
477 | <tr><td class="h"><a name="293"></a>293</td><td></td><td></td><td></td><td></td><td class="s"> # get a column to source/alias map (including unqualified ones)</td></tr> |
478 | <tr><td class="h"><a name="294"></a>294</td><td></td><td></td><td></td><td></td><td class="s"> my $colinfo = $self->_resolve_column_info ($from);</td></tr> |
479 | <tr><td class="h"><a name="295"></a>295</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
480 | <tr><td class="h"><a name="296"></a>296</td><td></td><td></td><td></td><td></td><td class="s"> # set up a botched SQLA</td></tr> |
481 | <tr><td class="h"><a name="297"></a>297</td><td></td><td></td><td></td><td></td><td class="s"> my $sql_maker = $self->sql_maker;</td></tr> |
482 | <tr><td class="h"><a name="298"></a>298</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
483 | <tr><td class="h"><a name="299"></a>299</td><td></td><td></td><td></td><td></td><td class="s"> # these are throw away results, do not pollute the bind stack</td></tr> |
484 | <tr><td class="h"><a name="300"></a>300</td><td></td><td></td><td></td><td></td><td class="s"> local $sql_maker->{select_bind};</td></tr> |
485 | <tr><td class="h"><a name="301"></a>301</td><td></td><td></td><td></td><td></td><td class="s"> local $sql_maker->{where_bind};</td></tr> |
486 | <tr><td class="h"><a name="302"></a>302</td><td></td><td></td><td></td><td></td><td class="s"> local $sql_maker->{group_bind};</td></tr> |
487 | <tr><td class="h"><a name="303"></a>303</td><td></td><td></td><td></td><td></td><td class="s"> local $sql_maker->{having_bind};</td></tr> |
488 | <tr><td class="h"><a name="304"></a>304</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
489 | <tr><td class="h"><a name="305"></a>305</td><td></td><td></td><td></td><td></td><td class="s"> # we can't scan properly without any quoting (\b doesn't cut it</td></tr> |
490 | <tr><td class="h"><a name="306"></a>306</td><td></td><td></td><td></td><td></td><td class="s"> # everywhere), so unless there is proper quoting set - use our</td></tr> |
491 | <tr><td class="h"><a name="307"></a>307</td><td></td><td></td><td></td><td></td><td class="s"> # own weird impossible character.</td></tr> |
492 | <tr><td class="h"><a name="308"></a>308</td><td></td><td></td><td></td><td></td><td class="s"> # Also in the case of no quoting, we need to explicitly disable</td></tr> |
493 | <tr><td class="h"><a name="309"></a>309</td><td></td><td></td><td></td><td></td><td class="s"> # name_sep, otherwise sorry nasty legacy syntax like</td></tr> |
494 | <tr><td class="h"><a name="310"></a>310</td><td></td><td></td><td></td><td></td><td class="s"> # { 'count(foo.id)' => { '>' => 3 } } will stop working >:(</td></tr> |
495 | <tr><td class="h"><a name="311"></a>311</td><td></td><td></td><td></td><td></td><td class="s"> local $sql_maker->{quote_char} = $sql_maker->{quote_char};</td></tr> |
496 | <tr><td class="h"><a name="312"></a>312</td><td></td><td></td><td></td><td></td><td class="s"> local $sql_maker->{name_sep} = $sql_maker->{name_sep};</td></tr> |
497 | <tr><td class="h"><a name="313"></a>313</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
498 | <tr><td class="h"><a name="314"></a>314</td><td></td><td></td><td></td><td></td><td class="s"> unless (defined $sql_maker->{quote_char} and length $sql_maker->{quote_char}) {</td></tr> |
499 | <tr><td class="h"><a name="315"></a>315</td><td></td><td></td><td></td><td></td><td class="s"> $sql_maker->{quote_char} = ["\x00", "\xFF"];</td></tr> |
500 | <tr><td class="h"><a name="316"></a>316</td><td></td><td></td><td></td><td></td><td class="s"> # if we don't unset it we screw up retarded but unfortunately working</td></tr> |
501 | <tr><td class="h"><a name="317"></a>317</td><td></td><td></td><td></td><td></td><td class="s"> # 'MAX(foo.bar)' => { '>', 3 }</td></tr> |
502 | <tr><td class="h"><a name="318"></a>318</td><td></td><td></td><td></td><td></td><td class="s"> $sql_maker->{name_sep} = '';</td></tr> |
503 | <tr><td class="h"><a name="319"></a>319</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
504 | <tr><td class="h"><a name="320"></a>320</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
505 | <tr><td class="h"><a name="321"></a>321</td><td></td><td></td><td></td><td></td><td class="s"> my ($lquote, $rquote, $sep) = map { quotemeta $_ } ($sql_maker->_quote_chars, $sql_maker->name_sep);</td></tr> |
506 | <tr><td class="h"><a name="322"></a>322</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
507 | <tr><td class="h"><a name="323"></a>323</td><td></td><td></td><td></td><td></td><td class="s"> # generate sql chunks</td></tr> |
508 | <tr><td class="h"><a name="324"></a>324</td><td></td><td></td><td></td><td></td><td class="s"> my $to_scan = {</td></tr> |
509 | <tr><td class="h"><a name="325"></a>325</td><td></td><td></td><td></td><td></td><td class="s"> restricting => [</td></tr> |
510 | <tr><td class="h"><a name="326"></a>326</td><td></td><td></td><td></td><td></td><td class="s"> $sql_maker->_recurse_where ($where),</td></tr> |
511 | <tr><td class="h"><a name="327"></a>327</td><td></td><td></td><td></td><td></td><td class="s"> $sql_maker->_parse_rs_attrs ({</td></tr> |
512 | <tr><td class="h"><a name="328"></a>328</td><td></td><td></td><td></td><td></td><td class="s"> map { $_ => $attrs->{$_} } (qw/group_by having/)</td></tr> |
513 | <tr><td class="h"><a name="329"></a>329</td><td></td><td></td><td></td><td></td><td class="s"> }),</td></tr> |
514 | <tr><td class="h"><a name="330"></a>330</td><td></td><td></td><td></td><td></td><td class="s"> ],</td></tr> |
515 | <tr><td class="h"><a name="331"></a>331</td><td></td><td></td><td></td><td></td><td class="s"> selecting => [</td></tr> |
516 | <tr><td class="h"><a name="332"></a>332</td><td></td><td></td><td></td><td></td><td class="s"> $sql_maker->_recurse_fields ($select),</td></tr> |
517 | <tr><td class="h"><a name="333"></a>333</td><td></td><td></td><td></td><td></td><td class="s"> ( map { $_->[0] } $self->_extract_order_criteria ($attrs->{order_by}, $sql_maker) ),</td></tr> |
518 | <tr><td class="h"><a name="334"></a>334</td><td></td><td></td><td></td><td></td><td class="s"> ],</td></tr> |
519 | <tr><td class="h"><a name="335"></a>335</td><td></td><td></td><td></td><td></td><td class="s"> };</td></tr> |
520 | <tr><td class="h"><a name="336"></a>336</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
521 | <tr><td class="h"><a name="337"></a>337</td><td></td><td></td><td></td><td></td><td class="s"> # throw away empty chunks</td></tr> |
522 | <tr><td class="h"><a name="338"></a>338</td><td></td><td></td><td></td><td></td><td class="s"> $_ = [ map { $_ || () } @$_ ] for values %$to_scan;</td></tr> |
523 | <tr><td class="h"><a name="339"></a>339</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
524 | <tr><td class="h"><a name="340"></a>340</td><td></td><td></td><td></td><td></td><td class="s"> # first loop through all fully qualified columns and get the corresponding</td></tr> |
525 | <tr><td class="h"><a name="341"></a>341</td><td></td><td></td><td></td><td></td><td class="s"> # alias (should work even if they are in scalarrefs)</td></tr> |
526 | <tr><td class="h"><a name="342"></a>342</td><td></td><td></td><td></td><td></td><td class="s"> for my $alias (keys %$alias_list) {</td></tr> |
527 | <tr><td class="h"><a name="343"></a>343</td><td></td><td></td><td></td><td></td><td class="s"> my $al_re = qr/</td></tr> |
528 | <tr><td class="h"><a name="344"></a>344</td><td></td><td></td><td></td><td></td><td class="s"> $lquote $alias $rquote $sep</td></tr> |
529 | <tr><td class="h"><a name="345"></a>345</td><td></td><td></td><td></td><td></td><td class="s"> |</td></tr> |
530 | <tr><td class="h"><a name="346"></a>346</td><td></td><td></td><td></td><td></td><td class="s"> \b $alias \.</td></tr> |
531 | <tr><td class="h"><a name="347"></a>347</td><td></td><td></td><td></td><td></td><td class="s"> /x;</td></tr> |
532 | <tr><td class="h"><a name="348"></a>348</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
533 | <tr><td class="h"><a name="349"></a>349</td><td></td><td></td><td></td><td></td><td class="s"> for my $type (keys %$to_scan) {</td></tr> |
534 | <tr><td class="h"><a name="350"></a>350</td><td></td><td></td><td></td><td></td><td class="s"> for my $piece (@{$to_scan->{$type}}) {</td></tr> |
535 | <tr><td class="h"><a name="351"></a>351</td><td></td><td></td><td></td><td></td><td class="s"> $aliases_by_type->{$type}{$alias} ||= $alias_list->{$alias}{-join_path}||[]</td></tr> |
536 | <tr><td class="h"><a name="352"></a>352</td><td></td><td></td><td></td><td></td><td class="s"> if ($piece =~ $al_re);</td></tr> |
537 | <tr><td class="h"><a name="353"></a>353</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
538 | <tr><td class="h"><a name="354"></a>354</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
539 | <tr><td class="h"><a name="355"></a>355</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
540 | <tr><td class="h"><a name="356"></a>356</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
541 | <tr><td class="h"><a name="357"></a>357</td><td></td><td></td><td></td><td></td><td class="s"> # now loop through unqualified column names, and try to locate them within</td></tr> |
542 | <tr><td class="h"><a name="358"></a>358</td><td></td><td></td><td></td><td></td><td class="s"> # the chunks</td></tr> |
543 | <tr><td class="h"><a name="359"></a>359</td><td></td><td></td><td></td><td></td><td class="s"> for my $col (keys %$colinfo) {</td></tr> |
544 | <tr><td class="h"><a name="360"></a>360</td><td></td><td></td><td></td><td></td><td class="s"> next if $col =~ / \. /x; # if column is qualified it was caught by the above</td></tr> |
545 | <tr><td class="h"><a name="361"></a>361</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
546 | <tr><td class="h"><a name="362"></a>362</td><td></td><td></td><td></td><td></td><td class="s"> my $col_re = qr/ $lquote $col $rquote /x;</td></tr> |
547 | <tr><td class="h"><a name="363"></a>363</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
548 | <tr><td class="h"><a name="364"></a>364</td><td></td><td></td><td></td><td></td><td class="s"> for my $type (keys %$to_scan) {</td></tr> |
549 | <tr><td class="h"><a name="365"></a>365</td><td></td><td></td><td></td><td></td><td class="s"> for my $piece (@{$to_scan->{$type}}) {</td></tr> |
550 | <tr><td class="h"><a name="366"></a>366</td><td></td><td></td><td></td><td></td><td class="s"> if ($piece =~ $col_re) {</td></tr> |
551 | <tr><td class="h"><a name="367"></a>367</td><td></td><td></td><td></td><td></td><td class="s"> my $alias = $colinfo->{$col}{-source_alias};</td></tr> |
552 | <tr><td class="h"><a name="368"></a>368</td><td></td><td></td><td></td><td></td><td class="s"> $aliases_by_type->{$type}{$alias} ||= $alias_list->{$alias}{-join_path}||[];</td></tr> |
553 | <tr><td class="h"><a name="369"></a>369</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
554 | <tr><td class="h"><a name="370"></a>370</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
555 | <tr><td class="h"><a name="371"></a>371</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
556 | <tr><td class="h"><a name="372"></a>372</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
557 | <tr><td class="h"><a name="373"></a>373</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
558 | <tr><td class="h"><a name="374"></a>374</td><td></td><td></td><td></td><td></td><td class="s"> # Add any non-left joins to the restriction list (such joins are indeed restrictions)</td></tr> |
559 | <tr><td class="h"><a name="375"></a>375</td><td></td><td></td><td></td><td></td><td class="s"> for my $j (values %$alias_list) {</td></tr> |
560 | <tr><td class="h"><a name="376"></a>376</td><td></td><td></td><td></td><td></td><td class="s"> my $alias = $j->{-alias} or next;</td></tr> |
561 | <tr><td class="h"><a name="377"></a>377</td><td></td><td></td><td></td><td></td><td class="s"> $aliases_by_type->{restricting}{$alias} ||= $j->{-join_path}||[] if (</td></tr> |
562 | <tr><td class="h"><a name="378"></a>378</td><td></td><td></td><td></td><td></td><td class="s"> (not $j->{-join_type})</td></tr> |
563 | <tr><td class="h"><a name="379"></a>379</td><td></td><td></td><td></td><td></td><td class="s"> or</td></tr> |
564 | <tr><td class="h"><a name="380"></a>380</td><td></td><td></td><td></td><td></td><td class="s"> ($j->{-join_type} !~ /^left (?: \s+ outer)? $/xi)</td></tr> |
565 | <tr><td class="h"><a name="381"></a>381</td><td></td><td></td><td></td><td></td><td class="s"> );</td></tr> |
566 | <tr><td class="h"><a name="382"></a>382</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
567 | <tr><td class="h"><a name="383"></a>383</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
568 | <tr><td class="h"><a name="384"></a>384</td><td></td><td></td><td></td><td></td><td class="s"> return $aliases_by_type;</td></tr> |
569 | <tr><td class="h"><a name="385"></a>385</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
570 | <tr><td class="h"><a name="386"></a>386</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
571 | <tr><td class="h"><a name="387"></a>387</td><td></td><td></td><td></td><td></td><td class="s"># This is the engine behind { distinct => 1 }</td></tr> |
572 | <tr><td class="h"><a name="388"></a>388</td><td></td><td></td><td></td><td></td><td class="s">sub _group_over_selection {</td></tr> |
573 | <tr><td class="h"><a name="389"></a>389</td><td></td><td></td><td></td><td></td><td class="s"> my ($self, $from, $select, $order_by) = @_;</td></tr> |
574 | <tr><td class="h"><a name="390"></a>390</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
575 | <tr><td class="h"><a name="391"></a>391</td><td></td><td></td><td></td><td></td><td class="s"> my $rs_column_list = $self->_resolve_column_info ($from);</td></tr> |
576 | <tr><td class="h"><a name="392"></a>392</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
577 | <tr><td class="h"><a name="393"></a>393</td><td></td><td></td><td></td><td></td><td class="s"> my (@group_by, %group_index);</td></tr> |
578 | <tr><td class="h"><a name="394"></a>394</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
579 | <tr><td class="h"><a name="395"></a>395</td><td></td><td></td><td></td><td></td><td class="s"> # the logic is: if it is a { func => val } we assume an aggregate,</td></tr> |
580 | <tr><td class="h"><a name="396"></a>396</td><td></td><td></td><td></td><td></td><td class="s"> # otherwise if \'...' or \[...] we assume the user knows what is</td></tr> |
581 | <tr><td class="h"><a name="397"></a>397</td><td></td><td></td><td></td><td></td><td class="s"> # going on thus group over it</td></tr> |
582 | <tr><td class="h"><a name="398"></a>398</td><td></td><td></td><td></td><td></td><td class="s"> for (@$select) {</td></tr> |
583 | <tr><td class="h"><a name="399"></a>399</td><td></td><td></td><td></td><td></td><td class="s"> if (! ref($_) or ref ($_) ne 'HASH' ) {</td></tr> |
584 | <tr><td class="h"><a name="400"></a>400</td><td></td><td></td><td></td><td></td><td class="s"> push @group_by, $_;</td></tr> |
585 | <tr><td class="h"><a name="401"></a>401</td><td></td><td></td><td></td><td></td><td class="s"> $group_index{$_}++;</td></tr> |
586 | <tr><td class="h"><a name="402"></a>402</td><td></td><td></td><td></td><td></td><td class="s"> if ($rs_column_list->{$_} and $_ !~ /\./ ) {</td></tr> |
587 | <tr><td class="h"><a name="403"></a>403</td><td></td><td></td><td></td><td></td><td class="s"> # add a fully qualified version as well</td></tr> |
588 | <tr><td class="h"><a name="404"></a>404</td><td></td><td></td><td></td><td></td><td class="s"> $group_index{"$rs_column_list->{$_}{-source_alias}.$_"}++;</td></tr> |
589 | <tr><td class="h"><a name="405"></a>405</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
590 | <tr><td class="h"><a name="406"></a>406</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
591 | <tr><td class="h"><a name="407"></a>407</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
592 | <tr><td class="h"><a name="408"></a>408</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
593 | <tr><td class="h"><a name="409"></a>409</td><td></td><td></td><td></td><td></td><td class="s"> # add any order_by parts that are not already present in the group_by</td></tr> |
594 | <tr><td class="h"><a name="410"></a>410</td><td></td><td></td><td></td><td></td><td class="s"> # we need to be careful not to add any named functions/aggregates</td></tr> |
595 | <tr><td class="h"><a name="411"></a>411</td><td></td><td></td><td></td><td></td><td class="s"> # i.e. order_by => [ ... { count => 'foo' } ... ]</td></tr> |
596 | <tr><td class="h"><a name="412"></a>412</td><td></td><td></td><td></td><td></td><td class="s"> my @leftovers;</td></tr> |
597 | <tr><td class="h"><a name="413"></a>413</td><td></td><td></td><td></td><td></td><td class="s"> for ($self->_extract_order_criteria($order_by)) {</td></tr> |
598 | <tr><td class="h"><a name="414"></a>414</td><td></td><td></td><td></td><td></td><td class="s"> # only consider real columns (for functions the user got to do an explicit group_by)</td></tr> |
599 | <tr><td class="h"><a name="415"></a>415</td><td></td><td></td><td></td><td></td><td class="s"> if (@$_ != 1) {</td></tr> |
600 | <tr><td class="h"><a name="416"></a>416</td><td></td><td></td><td></td><td></td><td class="s"> push @leftovers, $_;</td></tr> |
601 | <tr><td class="h"><a name="417"></a>417</td><td></td><td></td><td></td><td></td><td class="s"> next;</td></tr> |
602 | <tr><td class="h"><a name="418"></a>418</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
603 | <tr><td class="h"><a name="419"></a>419</td><td></td><td></td><td></td><td></td><td class="s"> my $chunk = $_->[0];</td></tr> |
604 | <tr><td class="h"><a name="420"></a>420</td><td></td><td></td><td></td><td></td><td class="s"> my $colinfo = $rs_column_list->{$chunk} or do {</td></tr> |
605 | <tr><td class="h"><a name="421"></a>421</td><td></td><td></td><td></td><td></td><td class="s"> push @leftovers, $_;</td></tr> |
606 | <tr><td class="h"><a name="422"></a>422</td><td></td><td></td><td></td><td></td><td class="s"> next;</td></tr> |
607 | <tr><td class="h"><a name="423"></a>423</td><td></td><td></td><td></td><td></td><td class="s"> };</td></tr> |
608 | <tr><td class="h"><a name="424"></a>424</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
609 | <tr><td class="h"><a name="425"></a>425</td><td></td><td></td><td></td><td></td><td class="s"> $chunk = "$colinfo->{-source_alias}.$chunk" if $chunk !~ /\./;</td></tr> |
610 | <tr><td class="h"><a name="426"></a>426</td><td></td><td></td><td></td><td></td><td class="s"> push @group_by, $chunk unless $group_index{$chunk}++;</td></tr> |
611 | <tr><td class="h"><a name="427"></a>427</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
612 | <tr><td class="h"><a name="428"></a>428</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
613 | <tr><td class="h"><a name="429"></a>429</td><td></td><td></td><td></td><td></td><td class="s"> return wantarray</td></tr> |
614 | <tr><td class="h"><a name="430"></a>430</td><td></td><td></td><td></td><td></td><td class="s"> ? (\@group_by, (@leftovers ? \@leftovers : undef) )</td></tr> |
615 | <tr><td class="h"><a name="431"></a>431</td><td></td><td></td><td></td><td></td><td class="s"> : \@group_by</td></tr> |
616 | <tr><td class="h"><a name="432"></a>432</td><td></td><td></td><td></td><td></td><td class="s"> ;</td></tr> |
617 | <tr><td class="h"><a name="433"></a>433</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
618 | <tr><td class="h"><a name="434"></a>434</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
619 | <tr><td class="h"><a name="435"></a>435</td><td></td><td></td><td></td><td></td><td class="s">sub _resolve_ident_sources {</td></tr> |
620 | <tr><td class="h"><a name="436"></a>436</td><td></td><td></td><td></td><td></td><td class="s"> my ($self, $ident) = @_;</td></tr> |
621 | <tr><td class="h"><a name="437"></a>437</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
622 | <tr><td class="h"><a name="438"></a>438</td><td></td><td></td><td></td><td></td><td class="s"> my $alias2source = {};</td></tr> |
623 | <tr><td class="h"><a name="439"></a>439</td><td></td><td></td><td></td><td></td><td class="s"> my $rs_alias;</td></tr> |
624 | <tr><td class="h"><a name="440"></a>440</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
625 | <tr><td class="h"><a name="441"></a>441</td><td></td><td></td><td></td><td></td><td class="s"> # the reason this is so contrived is that $ident may be a {from}</td></tr> |
626 | <tr><td class="h"><a name="442"></a>442</td><td></td><td></td><td></td><td></td><td class="s"> # structure, specifying multiple tables to join</td></tr> |
627 | <tr><td class="h"><a name="443"></a>443</td><td></td><td></td><td></td><td></td><td class="s"> if ( blessed $ident && $ident->isa("DBIx::Class::ResultSource") ) {</td></tr> |
628 | <tr><td class="h"><a name="444"></a>444</td><td></td><td></td><td></td><td></td><td class="s"> # this is compat mode for insert/update/delete which do not deal with aliases</td></tr> |
629 | <tr><td class="h"><a name="445"></a>445</td><td></td><td></td><td></td><td></td><td class="s"> $alias2source->{me} = $ident;</td></tr> |
630 | <tr><td class="h"><a name="446"></a>446</td><td></td><td></td><td></td><td></td><td class="s"> $rs_alias = 'me';</td></tr> |
631 | <tr><td class="h"><a name="447"></a>447</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
632 | <tr><td class="h"><a name="448"></a>448</td><td></td><td></td><td></td><td></td><td class="s"> elsif (ref $ident eq 'ARRAY') {</td></tr> |
633 | <tr><td class="h"><a name="449"></a>449</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
634 | <tr><td class="h"><a name="450"></a>450</td><td></td><td></td><td></td><td></td><td class="s"> for (@$ident) {</td></tr> |
635 | <tr><td class="h"><a name="451"></a>451</td><td></td><td></td><td></td><td></td><td class="s"> my $tabinfo;</td></tr> |
636 | <tr><td class="h"><a name="452"></a>452</td><td></td><td></td><td></td><td></td><td class="s"> if (ref $_ eq 'HASH') {</td></tr> |
637 | <tr><td class="h"><a name="453"></a>453</td><td></td><td></td><td></td><td></td><td class="s"> $tabinfo = $_;</td></tr> |
638 | <tr><td class="h"><a name="454"></a>454</td><td></td><td></td><td></td><td></td><td class="s"> $rs_alias = $tabinfo->{-alias};</td></tr> |
639 | <tr><td class="h"><a name="455"></a>455</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
640 | <tr><td class="h"><a name="456"></a>456</td><td></td><td></td><td></td><td></td><td class="s"> if (ref $_ eq 'ARRAY' and ref $_->[0] eq 'HASH') {</td></tr> |
641 | <tr><td class="h"><a name="457"></a>457</td><td></td><td></td><td></td><td></td><td class="s"> $tabinfo = $_->[0];</td></tr> |
642 | <tr><td class="h"><a name="458"></a>458</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
643 | <tr><td class="h"><a name="459"></a>459</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
644 | <tr><td class="h"><a name="460"></a>460</td><td></td><td></td><td></td><td></td><td class="s"> $alias2source->{$tabinfo->{-alias}} = $tabinfo->{-rsrc}</td></tr> |
645 | <tr><td class="h"><a name="461"></a>461</td><td></td><td></td><td></td><td></td><td class="s"> if ($tabinfo->{-rsrc});</td></tr> |
646 | <tr><td class="h"><a name="462"></a>462</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
647 | <tr><td class="h"><a name="463"></a>463</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
648 | <tr><td class="h"><a name="464"></a>464</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
649 | <tr><td class="h"><a name="465"></a>465</td><td></td><td></td><td></td><td></td><td class="s"> return ($alias2source, $rs_alias);</td></tr> |
650 | <tr><td class="h"><a name="466"></a>466</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
651 | <tr><td class="h"><a name="467"></a>467</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
652 | <tr><td class="h"><a name="468"></a>468</td><td></td><td></td><td></td><td></td><td class="s"># Takes $ident, \@column_names</td></tr> |
653 | <tr><td class="h"><a name="469"></a>469</td><td></td><td></td><td></td><td></td><td class="s">#</td></tr> |
654 | <tr><td class="h"><a name="470"></a>470</td><td></td><td></td><td></td><td></td><td class="s"># returns { $column_name => \%column_info, ... }</td></tr> |
655 | <tr><td class="h"><a name="471"></a>471</td><td></td><td></td><td></td><td></td><td class="s"># also note: this adds -result_source => $rsrc to the column info</td></tr> |
656 | <tr><td class="h"><a name="472"></a>472</td><td></td><td></td><td></td><td></td><td class="s">#</td></tr> |
657 | <tr><td class="h"><a name="473"></a>473</td><td></td><td></td><td></td><td></td><td class="s"># If no columns_names are supplied returns info about *all* columns</td></tr> |
658 | <tr><td class="h"><a name="474"></a>474</td><td></td><td></td><td></td><td></td><td class="s"># for all sources</td></tr> |
659 | <tr><td class="h"><a name="475"></a>475</td><td></td><td></td><td></td><td></td><td class="s">sub _resolve_column_info {</td></tr> |
660 | <tr><td class="h"><a name="476"></a>476</td><td></td><td></td><td></td><td></td><td class="s"> my ($self, $ident, $colnames) = @_;</td></tr> |
661 | <tr><td class="h"><a name="477"></a>477</td><td></td><td></td><td></td><td></td><td class="s"> my ($alias2src, $root_alias) = $self->_resolve_ident_sources($ident);</td></tr> |
662 | <tr><td class="h"><a name="478"></a>478</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
663 | <tr><td class="h"><a name="479"></a>479</td><td></td><td></td><td></td><td></td><td class="s"> my (%seen_cols, @auto_colnames);</td></tr> |
664 | <tr><td class="h"><a name="480"></a>480</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
665 | <tr><td class="h"><a name="481"></a>481</td><td></td><td></td><td></td><td></td><td class="s"> # compile a global list of column names, to be able to properly</td></tr> |
666 | <tr><td class="h"><a name="482"></a>482</td><td></td><td></td><td></td><td></td><td class="s"> # disambiguate unqualified column names (if at all possible)</td></tr> |
667 | <tr><td class="h"><a name="483"></a>483</td><td></td><td></td><td></td><td></td><td class="s"> for my $alias (keys %$alias2src) {</td></tr> |
668 | <tr><td class="h"><a name="484"></a>484</td><td></td><td></td><td></td><td></td><td class="s"> my $rsrc = $alias2src->{$alias};</td></tr> |
669 | <tr><td class="h"><a name="485"></a>485</td><td></td><td></td><td></td><td></td><td class="s"> for my $colname ($rsrc->columns) {</td></tr> |
670 | <tr><td class="h"><a name="486"></a>486</td><td></td><td></td><td></td><td></td><td class="s"> push @{$seen_cols{$colname}}, $alias;</td></tr> |
671 | <tr><td class="h"><a name="487"></a>487</td><td></td><td></td><td></td><td></td><td class="s"> push @auto_colnames, "$alias.$colname" unless $colnames;</td></tr> |
672 | <tr><td class="h"><a name="488"></a>488</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
673 | <tr><td class="h"><a name="489"></a>489</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
674 | <tr><td class="h"><a name="490"></a>490</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
675 | <tr><td class="h"><a name="491"></a>491</td><td></td><td></td><td></td><td></td><td class="s"> $colnames ||= [</td></tr> |
676 | <tr><td class="h"><a name="492"></a>492</td><td></td><td></td><td></td><td></td><td class="s"> @auto_colnames,</td></tr> |
677 | <tr><td class="h"><a name="493"></a>493</td><td></td><td></td><td></td><td></td><td class="s"> grep { @{$seen_cols{$_}} == 1 } (keys %seen_cols),</td></tr> |
678 | <tr><td class="h"><a name="494"></a>494</td><td></td><td></td><td></td><td></td><td class="s"> ];</td></tr> |
679 | <tr><td class="h"><a name="495"></a>495</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
680 | <tr><td class="h"><a name="496"></a>496</td><td></td><td></td><td></td><td></td><td class="s"> my (%return, $colinfos);</td></tr> |
681 | <tr><td class="h"><a name="497"></a>497</td><td></td><td></td><td></td><td></td><td class="s"> foreach my $col (@$colnames) {</td></tr> |
682 | <tr><td class="h"><a name="498"></a>498</td><td></td><td></td><td></td><td></td><td class="s"> my ($source_alias, $colname) = $col =~ m/^ (?: ([^\.]+) \. )? (.+) $/x;</td></tr> |
683 | <tr><td class="h"><a name="499"></a>499</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
684 | <tr><td class="h"><a name="500"></a>500</td><td></td><td></td><td></td><td></td><td class="s"> # if the column was seen exactly once - we know which rsrc it came from</td></tr> |
685 | <tr><td class="h"><a name="501"></a>501</td><td></td><td></td><td></td><td></td><td class="s"> $source_alias ||= $seen_cols{$colname}[0]</td></tr> |
686 | <tr><td class="h"><a name="502"></a>502</td><td></td><td></td><td></td><td></td><td class="s"> if ($seen_cols{$colname} and @{$seen_cols{$colname}} == 1);</td></tr> |
687 | <tr><td class="h"><a name="503"></a>503</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
688 | <tr><td class="h"><a name="504"></a>504</td><td></td><td></td><td></td><td></td><td class="s"> next unless $source_alias;</td></tr> |
689 | <tr><td class="h"><a name="505"></a>505</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
690 | <tr><td class="h"><a name="506"></a>506</td><td></td><td></td><td></td><td></td><td class="s"> my $rsrc = $alias2src->{$source_alias}</td></tr> |
691 | <tr><td class="h"><a name="507"></a>507</td><td></td><td></td><td></td><td></td><td class="s"> or next;</td></tr> |
692 | <tr><td class="h"><a name="508"></a>508</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
693 | <tr><td class="h"><a name="509"></a>509</td><td></td><td></td><td></td><td></td><td class="s"> $return{$col} = {</td></tr> |
694 | <tr><td class="h"><a name="510"></a>510</td><td></td><td></td><td></td><td></td><td class="s"> %{</td></tr> |
695 | <tr><td class="h"><a name="511"></a>511</td><td></td><td></td><td></td><td></td><td class="s"> ( $colinfos->{$source_alias} ||= $rsrc->columns_info )->{$colname}</td></tr> |
696 | <tr><td class="h"><a name="512"></a>512</td><td></td><td></td><td></td><td></td><td class="s"> ||</td></tr> |
697 | <tr><td class="h"><a name="513"></a>513</td><td></td><td></td><td></td><td></td><td class="s"> $self->throw_exception(</td></tr> |
698 | <tr><td class="h"><a name="514"></a>514</td><td></td><td></td><td></td><td></td><td class="s"> "No such column '$colname' on source " . $rsrc->source_name</td></tr> |
699 | <tr><td class="h"><a name="515"></a>515</td><td></td><td></td><td></td><td></td><td class="s"> );</td></tr> |
700 | <tr><td class="h"><a name="516"></a>516</td><td></td><td></td><td></td><td></td><td class="s"> },</td></tr> |
701 | <tr><td class="h"><a name="517"></a>517</td><td></td><td></td><td></td><td></td><td class="s"> -result_source => $rsrc,</td></tr> |
702 | <tr><td class="h"><a name="518"></a>518</td><td></td><td></td><td></td><td></td><td class="s"> -source_alias => $source_alias,</td></tr> |
703 | <tr><td class="h"><a name="519"></a>519</td><td></td><td></td><td></td><td></td><td class="s"> };</td></tr> |
704 | <tr><td class="h"><a name="520"></a>520</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
705 | <tr><td class="h"><a name="521"></a>521</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
706 | <tr><td class="h"><a name="522"></a>522</td><td></td><td></td><td></td><td></td><td class="s"> return \%return;</td></tr> |
707 | <tr><td class="h"><a name="523"></a>523</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
708 | <tr><td class="h"><a name="524"></a>524</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
709 | <tr><td class="h"><a name="525"></a>525</td><td></td><td></td><td></td><td></td><td class="s"># The DBIC relationship chaining implementation is pretty simple - every</td></tr> |
710 | <tr><td class="h"><a name="526"></a>526</td><td></td><td></td><td></td><td></td><td class="s"># new related_relationship is pushed onto the {from} stack, and the {select}</td></tr> |
711 | <tr><td class="h"><a name="527"></a>527</td><td></td><td></td><td></td><td></td><td class="s"># window simply slides further in. This means that when we count somewhere</td></tr> |
712 | <tr><td class="h"><a name="528"></a>528</td><td></td><td></td><td></td><td></td><td class="s"># in the middle, we got to make sure that everything in the join chain is an</td></tr> |
713 | <tr><td class="h"><a name="529"></a>529</td><td></td><td></td><td></td><td></td><td class="s"># actual inner join, otherwise the count will come back with unpredictable</td></tr> |
714 | <tr><td class="h"><a name="530"></a>530</td><td></td><td></td><td></td><td></td><td class="s"># results (a resultset may be generated with _some_ rows regardless of if</td></tr> |
715 | <tr><td class="h"><a name="531"></a>531</td><td></td><td></td><td></td><td></td><td class="s"># the relation which the $rs currently selects has rows or not). E.g.</td></tr> |
716 | <tr><td class="h"><a name="532"></a>532</td><td></td><td></td><td></td><td></td><td class="s"># $artist_rs->cds->count - normally generates:</td></tr> |
717 | <tr><td class="h"><a name="533"></a>533</td><td></td><td></td><td></td><td></td><td class="s"># SELECT COUNT( * ) FROM artist me LEFT JOIN cd cds ON cds.artist = me.artistid</td></tr> |
718 | <tr><td class="h"><a name="534"></a>534</td><td></td><td></td><td></td><td></td><td class="s"># which actually returns the number of artists * (number of cds || 1)</td></tr> |
719 | <tr><td class="h"><a name="535"></a>535</td><td></td><td></td><td></td><td></td><td class="s">#</td></tr> |
720 | <tr><td class="h"><a name="536"></a>536</td><td></td><td></td><td></td><td></td><td class="s"># So what we do here is crawl {from}, determine if the current alias is at</td></tr> |
721 | <tr><td class="h"><a name="537"></a>537</td><td></td><td></td><td></td><td></td><td class="s"># the top of the stack, and if not - make sure the chain is inner-joined down</td></tr> |
722 | <tr><td class="h"><a name="538"></a>538</td><td></td><td></td><td></td><td></td><td class="s"># to the root.</td></tr> |
723 | <tr><td class="h"><a name="539"></a>539</td><td></td><td></td><td></td><td></td><td class="s">#</td></tr> |
724 | <tr><td class="h"><a name="540"></a>540</td><td></td><td></td><td></td><td></td><td class="s">sub _inner_join_to_node {</td></tr> |
725 | <tr><td class="h"><a name="541"></a>541</td><td></td><td></td><td></td><td></td><td class="s"> my ($self, $from, $alias) = @_;</td></tr> |
726 | <tr><td class="h"><a name="542"></a>542</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
727 | <tr><td class="h"><a name="543"></a>543</td><td></td><td></td><td></td><td></td><td class="s"> # subqueries and other oddness are naturally not supported</td></tr> |
728 | <tr><td class="h"><a name="544"></a>544</td><td></td><td></td><td></td><td></td><td class="s"> return $from if (</td></tr> |
729 | <tr><td class="h"><a name="545"></a>545</td><td></td><td></td><td></td><td></td><td class="s"> ref $from ne 'ARRAY'</td></tr> |
730 | <tr><td class="h"><a name="546"></a>546</td><td></td><td></td><td></td><td></td><td class="s"> ||</td></tr> |
731 | <tr><td class="h"><a name="547"></a>547</td><td></td><td></td><td></td><td></td><td class="s"> @$from <= 1</td></tr> |
732 | <tr><td class="h"><a name="548"></a>548</td><td></td><td></td><td></td><td></td><td class="s"> ||</td></tr> |
733 | <tr><td class="h"><a name="549"></a>549</td><td></td><td></td><td></td><td></td><td class="s"> ref $from->[0] ne 'HASH'</td></tr> |
734 | <tr><td class="h"><a name="550"></a>550</td><td></td><td></td><td></td><td></td><td class="s"> ||</td></tr> |
735 | <tr><td class="h"><a name="551"></a>551</td><td></td><td></td><td></td><td></td><td class="s"> ! $from->[0]{-alias}</td></tr> |
736 | <tr><td class="h"><a name="552"></a>552</td><td></td><td></td><td></td><td></td><td class="s"> ||</td></tr> |
737 | <tr><td class="h"><a name="553"></a>553</td><td></td><td></td><td></td><td></td><td class="s"> $from->[0]{-alias} eq $alias # this last bit means $alias is the head of $from - nothing to do</td></tr> |
738 | <tr><td class="h"><a name="554"></a>554</td><td></td><td></td><td></td><td></td><td class="s"> );</td></tr> |
739 | <tr><td class="h"><a name="555"></a>555</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
740 | <tr><td class="h"><a name="556"></a>556</td><td></td><td></td><td></td><td></td><td class="s"> # find the current $alias in the $from structure</td></tr> |
741 | <tr><td class="h"><a name="557"></a>557</td><td></td><td></td><td></td><td></td><td class="s"> my $switch_branch;</td></tr> |
742 | <tr><td class="h"><a name="558"></a>558</td><td></td><td></td><td></td><td></td><td class="s"> JOINSCAN:</td></tr> |
743 | <tr><td class="h"><a name="559"></a>559</td><td></td><td></td><td></td><td></td><td class="s"> for my $j (@{$from}[1 .. $#$from]) {</td></tr> |
744 | <tr><td class="h"><a name="560"></a>560</td><td></td><td></td><td></td><td></td><td class="s"> if ($j->[0]{-alias} eq $alias) {</td></tr> |
745 | <tr><td class="h"><a name="561"></a>561</td><td></td><td></td><td></td><td></td><td class="s"> $switch_branch = $j->[0]{-join_path};</td></tr> |
746 | <tr><td class="h"><a name="562"></a>562</td><td></td><td></td><td></td><td></td><td class="s"> last JOINSCAN;</td></tr> |
747 | <tr><td class="h"><a name="563"></a>563</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
748 | <tr><td class="h"><a name="564"></a>564</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
749 | <tr><td class="h"><a name="565"></a>565</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
750 | <tr><td class="h"><a name="566"></a>566</td><td></td><td></td><td></td><td></td><td class="s"> # something else went quite wrong</td></tr> |
751 | <tr><td class="h"><a name="567"></a>567</td><td></td><td></td><td></td><td></td><td class="s"> return $from unless $switch_branch;</td></tr> |
752 | <tr><td class="h"><a name="568"></a>568</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
753 | <tr><td class="h"><a name="569"></a>569</td><td></td><td></td><td></td><td></td><td class="s"> # So it looks like we will have to switch some stuff around.</td></tr> |
754 | <tr><td class="h"><a name="570"></a>570</td><td></td><td></td><td></td><td></td><td class="s"> # local() is useless here as we will be leaving the scope</td></tr> |
755 | <tr><td class="h"><a name="571"></a>571</td><td></td><td></td><td></td><td></td><td class="s"> # anyway, and deep cloning is just too fucking expensive</td></tr> |
756 | <tr><td class="h"><a name="572"></a>572</td><td></td><td></td><td></td><td></td><td class="s"> # So replace the first hashref in the node arrayref manually </td></tr> |
757 | <tr><td class="h"><a name="573"></a>573</td><td></td><td></td><td></td><td></td><td class="s"> my @new_from = ($from->[0]);</td></tr> |
758 | <tr><td class="h"><a name="574"></a>574</td><td></td><td></td><td></td><td></td><td class="s"> my $sw_idx = { map { (values %$_), 1 } @$switch_branch }; #there's one k/v per join-path</td></tr> |
759 | <tr><td class="h"><a name="575"></a>575</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
760 | <tr><td class="h"><a name="576"></a>576</td><td></td><td></td><td></td><td></td><td class="s"> for my $j (@{$from}[1 .. $#$from]) {</td></tr> |
761 | <tr><td class="h"><a name="577"></a>577</td><td></td><td></td><td></td><td></td><td class="s"> my $jalias = $j->[0]{-alias};</td></tr> |
762 | <tr><td class="h"><a name="578"></a>578</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
763 | <tr><td class="h"><a name="579"></a>579</td><td></td><td></td><td></td><td></td><td class="s"> if ($sw_idx->{$jalias}) {</td></tr> |
764 | <tr><td class="h"><a name="580"></a>580</td><td></td><td></td><td></td><td></td><td class="s"> my %attrs = %{$j->[0]};</td></tr> |
765 | <tr><td class="h"><a name="581"></a>581</td><td></td><td></td><td></td><td></td><td class="s"> delete $attrs{-join_type};</td></tr> |
766 | <tr><td class="h"><a name="582"></a>582</td><td></td><td></td><td></td><td></td><td class="s"> push @new_from, [</td></tr> |
767 | <tr><td class="h"><a name="583"></a>583</td><td></td><td></td><td></td><td></td><td class="s"> \%attrs,</td></tr> |
768 | <tr><td class="h"><a name="584"></a>584</td><td></td><td></td><td></td><td></td><td class="s"> @{$j}[ 1 .. $#$j ],</td></tr> |
769 | <tr><td class="h"><a name="585"></a>585</td><td></td><td></td><td></td><td></td><td class="s"> ];</td></tr> |
770 | <tr><td class="h"><a name="586"></a>586</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
771 | <tr><td class="h"><a name="587"></a>587</td><td></td><td></td><td></td><td></td><td class="s"> else {</td></tr> |
772 | <tr><td class="h"><a name="588"></a>588</td><td></td><td></td><td></td><td></td><td class="s"> push @new_from, $j;</td></tr> |
773 | <tr><td class="h"><a name="589"></a>589</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
774 | <tr><td class="h"><a name="590"></a>590</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
775 | <tr><td class="h"><a name="591"></a>591</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
776 | <tr><td class="h"><a name="592"></a>592</td><td></td><td></td><td></td><td></td><td class="s"> return \@new_from;</td></tr> |
777 | <tr><td class="h"><a name="593"></a>593</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
778 | <tr><td class="h"><a name="594"></a>594</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
779 | <tr><td class="h"><a name="595"></a>595</td><td></td><td></td><td></td><td></td><td class="s"># yet another atrocity: attempt to extract all columns from a</td></tr> |
780 | <tr><td class="h"><a name="596"></a>596</td><td></td><td></td><td></td><td></td><td class="s"># where condition by hooking _quote</td></tr> |
781 | <tr><td class="h"><a name="597"></a>597</td><td></td><td></td><td></td><td></td><td class="s">sub _extract_condition_columns {</td></tr> |
782 | <tr><td class="h"><a name="598"></a>598</td><td></td><td></td><td></td><td></td><td class="s"> my ($self, $cond, $sql_maker) = @_;</td></tr> |
783 | <tr><td class="h"><a name="599"></a>599</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
784 | <tr><td class="h"><a name="600"></a>600</td><td></td><td></td><td></td><td></td><td class="s"> return [] unless $cond;</td></tr> |
785 | <tr><td class="h"><a name="601"></a>601</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
786 | <tr><td class="h"><a name="602"></a>602</td><td></td><td></td><td></td><td></td><td class="s"> $sql_maker ||= $self->{_sql_ident_capturer} ||= do {</td></tr> |
787 | <tr><td class="h"><a name="603"></a>603</td><td></td><td></td><td></td><td></td><td class="s"> # FIXME - replace with a Moo trait</td></tr> |
788 | <tr><td class="h"><a name="604"></a>604</td><td></td><td></td><td></td><td></td><td class="s"> my $orig_sm_class = ref $self->sql_maker;</td></tr> |
789 | <tr><td class="h"><a name="605"></a>605</td><td></td><td></td><td></td><td></td><td class="s"> my $smic_class = "${orig_sm_class}::_IdentCapture_";</td></tr> |
790 | <tr><td class="h"><a name="606"></a>606</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
791 | <tr><td class="h"><a name="607"></a>607</td><td></td><td></td><td></td><td></td><td class="s"> unless ($smic_class->isa('SQL::Abstract')) {</td></tr> |
792 | <tr><td class="h"><a name="608"></a>608</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
793 | <tr><td class="h"><a name="609"></a>609</td><td class="c3">2</td><td class="c0"><span title="Avg 194µs">388µs</span></td><td class="c3">2</td><td class="c3">44µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 28µs (12+16) within DBIx::Class::Storage::DBIHacks::BEGIN@609 which was called: |
794 | # once (12µs+16µs) by base::import at <a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#609">line 609</a></div></div> no strict 'refs';<div class="calls"><div class="calls_out"> # spent 28µs making 1 call to <a href="DBIx-Class-Storage-DBIHacks-pm-2459-block.html#609">DBIx::Class::Storage::DBIHacks::BEGIN@609</a> |
795 | # spent 16µs making 1 call to <a href="strict-pm-3-block.html#39">strict::unimport</a></div></div></td></tr> |
796 | <tr><td class="h"><a name="610"></a>610</td><td></td><td></td><td></td><td></td><td class="s"> *{"${smic_class}::_quote"} = subname "${smic_class}::_quote" => sub {</td></tr> |
797 | <tr><td class="h"><a name="611"></a>611</td><td></td><td></td><td></td><td></td><td class="s"> my ($self, $ident) = @_;</td></tr> |
798 | <tr><td class="h"><a name="612"></a>612</td><td></td><td></td><td></td><td></td><td class="s"> if (ref $ident eq 'SCALAR') {</td></tr> |
799 | <tr><td class="h"><a name="613"></a>613</td><td></td><td></td><td></td><td></td><td class="s"> $ident = $$ident;</td></tr> |
800 | <tr><td class="h"><a name="614"></a>614</td><td></td><td></td><td></td><td></td><td class="s"> my $storage_quotes = $self->sql_quote_char || '"';</td></tr> |
801 | <tr><td class="h"><a name="615"></a>615</td><td></td><td></td><td></td><td></td><td class="s"> my ($ql, $qr) = map</td></tr> |
802 | <tr><td class="h"><a name="616"></a>616</td><td></td><td></td><td></td><td></td><td class="s"> { quotemeta $_ }</td></tr> |
803 | <tr><td class="h"><a name="617"></a>617</td><td></td><td></td><td></td><td></td><td class="s"> (ref $storage_quotes eq 'ARRAY' ? @$storage_quotes : ($storage_quotes) x 2 )</td></tr> |
804 | <tr><td class="h"><a name="618"></a>618</td><td></td><td></td><td></td><td></td><td class="s"> ;</td></tr> |
805 | <tr><td class="h"><a name="619"></a>619</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
806 | <tr><td class="h"><a name="620"></a>620</td><td></td><td></td><td></td><td></td><td class="s"> while ($ident =~ /</td></tr> |
807 | <tr><td class="h"><a name="621"></a>621</td><td></td><td></td><td></td><td></td><td class="s"> $ql (\w+) $qr</td></tr> |
808 | <tr><td class="h"><a name="622"></a>622</td><td></td><td></td><td></td><td></td><td class="s"> |</td></tr> |
809 | <tr><td class="h"><a name="623"></a>623</td><td></td><td></td><td></td><td></td><td class="s"> ([\w\.]+)</td></tr> |
810 | <tr><td class="h"><a name="624"></a>624</td><td></td><td></td><td></td><td></td><td class="s"> /xg) {</td></tr> |
811 | <tr><td class="h"><a name="625"></a>625</td><td></td><td></td><td></td><td></td><td class="s"> $self->{_captured_idents}{$1||$2}++;</td></tr> |
812 | <tr><td class="h"><a name="626"></a>626</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
813 | <tr><td class="h"><a name="627"></a>627</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
814 | <tr><td class="h"><a name="628"></a>628</td><td></td><td></td><td></td><td></td><td class="s"> else {</td></tr> |
815 | <tr><td class="h"><a name="629"></a>629</td><td></td><td></td><td></td><td></td><td class="s"> $self->{_captured_idents}{$ident}++;</td></tr> |
816 | <tr><td class="h"><a name="630"></a>630</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
817 | <tr><td class="h"><a name="631"></a>631</td><td></td><td></td><td></td><td></td><td class="s"> return $ident;</td></tr> |
818 | <tr><td class="h"><a name="632"></a>632</td><td></td><td></td><td></td><td></td><td class="s"> };</td></tr> |
819 | <tr><td class="h"><a name="633"></a>633</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
820 | <tr><td class="h"><a name="634"></a>634</td><td></td><td></td><td></td><td></td><td class="s"> *{"${smic_class}::_get_captured_idents"} = subname "${smic_class}::_get_captures" => sub {</td></tr> |
821 | <tr><td class="h"><a name="635"></a>635</td><td></td><td></td><td></td><td></td><td class="s"> (delete shift->{_captured_idents}) || {};</td></tr> |
822 | <tr><td class="h"><a name="636"></a>636</td><td></td><td></td><td></td><td></td><td class="s"> };</td></tr> |
823 | <tr><td class="h"><a name="637"></a>637</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
824 | <tr><td class="h"><a name="638"></a>638</td><td></td><td></td><td></td><td></td><td class="s"> $self->inject_base ($smic_class, $orig_sm_class);</td></tr> |
825 | <tr><td class="h"><a name="639"></a>639</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
826 | <tr><td class="h"><a name="640"></a>640</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
827 | <tr><td class="h"><a name="641"></a>641</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
828 | <tr><td class="h"><a name="642"></a>642</td><td></td><td></td><td></td><td></td><td class="s"> $smic_class->new();</td></tr> |
829 | <tr><td class="h"><a name="643"></a>643</td><td></td><td></td><td></td><td></td><td class="s"> };</td></tr> |
830 | <tr><td class="h"><a name="644"></a>644</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
831 | <tr><td class="h"><a name="645"></a>645</td><td></td><td></td><td></td><td></td><td class="s"> $sql_maker->_recurse_where($cond);</td></tr> |
832 | <tr><td class="h"><a name="646"></a>646</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
833 | <tr><td class="h"><a name="647"></a>647</td><td></td><td></td><td></td><td></td><td class="s"> return [ sort keys %{$sql_maker->_get_captured_idents} ];</td></tr> |
834 | <tr><td class="h"><a name="648"></a>648</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
835 | <tr><td class="h"><a name="649"></a>649</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
836 | <tr><td class="h"><a name="650"></a>650</td><td></td><td></td><td></td><td></td><td class="s">sub _extract_order_criteria {</td></tr> |
837 | <tr><td class="h"><a name="651"></a>651</td><td></td><td></td><td></td><td></td><td class="s"> my ($self, $order_by, $sql_maker) = @_;</td></tr> |
838 | <tr><td class="h"><a name="652"></a>652</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
839 | <tr><td class="h"><a name="653"></a>653</td><td></td><td></td><td></td><td></td><td class="s"> my $parser = sub {</td></tr> |
840 | <tr><td class="h"><a name="654"></a>654</td><td></td><td></td><td></td><td></td><td class="s"> my ($sql_maker, $order_by) = @_;</td></tr> |
841 | <tr><td class="h"><a name="655"></a>655</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
842 | <tr><td class="h"><a name="656"></a>656</td><td></td><td></td><td></td><td></td><td class="s"> return scalar $sql_maker->_order_by_chunks ($order_by)</td></tr> |
843 | <tr><td class="h"><a name="657"></a>657</td><td></td><td></td><td></td><td></td><td class="s"> unless wantarray;</td></tr> |
844 | <tr><td class="h"><a name="658"></a>658</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
845 | <tr><td class="h"><a name="659"></a>659</td><td></td><td></td><td></td><td></td><td class="s"> my @chunks;</td></tr> |
846 | <tr><td class="h"><a name="660"></a>660</td><td></td><td></td><td></td><td></td><td class="s"> for ($sql_maker->_order_by_chunks ($order_by) ) {</td></tr> |
847 | <tr><td class="h"><a name="661"></a>661</td><td></td><td></td><td></td><td></td><td class="s"> my $chunk = ref $_ ? $_ : [ $_ ];</td></tr> |
848 | <tr><td class="h"><a name="662"></a>662</td><td></td><td></td><td></td><td></td><td class="s"> $chunk->[0] =~ s/\s+ (?: ASC|DESC ) \s* $//ix;</td></tr> |
849 | <tr><td class="h"><a name="663"></a>663</td><td></td><td></td><td></td><td></td><td class="s"> push @chunks, $chunk;</td></tr> |
850 | <tr><td class="h"><a name="664"></a>664</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
851 | <tr><td class="h"><a name="665"></a>665</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
852 | <tr><td class="h"><a name="666"></a>666</td><td></td><td></td><td></td><td></td><td class="s"> return @chunks;</td></tr> |
853 | <tr><td class="h"><a name="667"></a>667</td><td></td><td></td><td></td><td></td><td class="s"> };</td></tr> |
854 | <tr><td class="h"><a name="668"></a>668</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
855 | <tr><td class="h"><a name="669"></a>669</td><td></td><td></td><td></td><td></td><td class="s"> if ($sql_maker) {</td></tr> |
856 | <tr><td class="h"><a name="670"></a>670</td><td></td><td></td><td></td><td></td><td class="s"> return $parser->($sql_maker, $order_by);</td></tr> |
857 | <tr><td class="h"><a name="671"></a>671</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
858 | <tr><td class="h"><a name="672"></a>672</td><td></td><td></td><td></td><td></td><td class="s"> else {</td></tr> |
859 | <tr><td class="h"><a name="673"></a>673</td><td></td><td></td><td></td><td></td><td class="s"> $sql_maker = $self->sql_maker;</td></tr> |
860 | <tr><td class="h"><a name="674"></a>674</td><td></td><td></td><td></td><td></td><td class="s"> local $sql_maker->{quote_char};</td></tr> |
861 | <tr><td class="h"><a name="675"></a>675</td><td></td><td></td><td></td><td></td><td class="s"> return $parser->($sql_maker, $order_by);</td></tr> |
862 | <tr><td class="h"><a name="676"></a>676</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr> |
863 | <tr><td class="h"><a name="677"></a>677</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr> |
864 | <tr><td class="h"><a name="678"></a>678</td><td></td><td></td><td></td><td></td><td class="s"></td></tr> |
865 | <tr><td class="h"><a name="679"></a>679</td><td class="c3">1</td><td class="c3"><span title="Avg 15µs">15µs</span></td><td class="c3">1</td><td class="c0">238µs</td><td class="s">1;<div class="calls"><div class="calls_out"># spent 238µs making 1 call to <a href="B-Hooks-EndOfScope-pm-376-block.html#26">B::Hooks::EndOfScope::__ANON__[B/Hooks/EndOfScope.pm:26]</a></div></div></td></tr> |
866 | </tbody></table></div> |
867 | |
868 | <script type="text/javascript"> $(document).ready(function() { |
869 | |
870 | $("#subs_table").tablesorter({ |
871 | sortList: [[3,1]], |
872 | headers: { |
873 | 3: { sorter: 'fmt_time' }, |
874 | 4: { sorter: 'fmt_time' } |
875 | } |
876 | }); |
877 | |
878 | } ); </script> |
879 | |
880 | <div class="footer">Report produced by the |
881 | <a href="http://search.cpan.org/dist/Devel-NYTProf/">NYTProf 4.06</a> |
882 | Perl profiler, developed by |
883 | <a href="http://www.linkedin.com/in/timbunce">Tim Bunce</a> and |
884 | <a href="http://code.nytimes.com">Adam Kaplan</a>. |
885 | </div> |
886 | <br /><br /><br /><br /><br /><br /><br /><br /><br /><br /> |
887 | </body></html> |