Commit | Line | Data |
86ee0658 |
1 | package SQL::Translator::Parser::DBI::Sybase; |
2 | |
1eb8ea88 |
3 | # $Id: Sybase.pm,v 1.3 2003-10-04 00:10:00 phrrngtn Exp $ |
86ee0658 |
4 | |
5 | =head1 NAME |
6 | |
7 | SQL::Translator::Parser::DBI::Sybase - parser for DBD::Sybase |
8 | |
9 | =head1 SYNOPSIS |
10 | |
11 | See SQL::Translator::Parser::DBI. |
12 | |
13 | =head1 DESCRIPTION |
14 | |
15 | Uses DBI Catalog Methods. |
16 | |
17 | =cut |
18 | |
19 | use strict; |
20 | use DBI; |
21 | use SQL::Translator::Schema; |
22 | use Data::Dumper; |
23 | |
24 | use vars qw[ $DEBUG $VERSION @EXPORT_OK ]; |
1eb8ea88 |
25 | $VERSION = sprintf "%d.%02d", q$Revision: 1.3 $ =~ /(\d+)\.(\d+)/; |
86ee0658 |
26 | $DEBUG = 0 unless defined $DEBUG; |
27 | |
28 | no strict 'refs'; |
29 | |
30 | # ------------------------------------------------------------------- |
31 | sub parse { |
32 | my ( $tr, $dbh ) = @_; |
33 | |
34 | if ($dbh->{FetchHashKeyName} ne 'NAME_uc') { |
35 | warn "setting dbh attribute {FetchHashKeyName} to NAME_uc"; |
36 | $dbh->{FetchHashKeyName} = 'NAME_uc'; |
37 | } |
38 | |
39 | if ($dbh->{ChopBlanks} != 1) { |
40 | warn "setting dbh attribute {ChopBlanks} to 1"; |
41 | $dbh->{ChopBlanks} = 1; |
42 | } |
43 | |
44 | my $schema = $tr->schema; |
45 | |
46 | my ($sth, @tables, $columns); |
47 | my $stuff; |
48 | |
49 | ### Columns |
50 | |
51 | # it is much quicker to slurp back everything all at once rather |
52 | # than make repeated calls |
53 | |
54 | $sth = $dbh->column_info(); |
55 | |
56 | |
57 | foreach my $c (@{$sth->fetchall_arrayref({})}) { |
58 | $columns |
59 | ->{$c->{TABLE_CAT}} |
60 | ->{$c->{TABLE_SCHEM}} |
61 | ->{$c->{TABLE_NAME}} |
62 | ->{columns} |
63 | ->{$c->{COLUMN_NAME}}= $c; |
64 | } |
65 | |
66 | ### Tables and views |
67 | |
68 | # Get a list of the tables and views. |
69 | $sth = $dbh->table_info(); |
70 | @tables = @{$sth->fetchall_arrayref({})}; |
71 | |
72 | my $h = $dbh->selectall_arrayref(q{ |
73 | SELECT o.name, colid,colid2,c.text |
74 | FROM syscomments c |
75 | JOIN sysobjects o |
76 | ON c.id = o.id |
77 | WHERE o.type ='V' |
78 | ORDER BY o.name, |
79 | c.colid, |
80 | c.colid2 |
81 | } |
82 | ); |
83 | |
84 | # View text |
85 | # I had always thought there was something 'hard' about |
e36f4eac |
86 | # reconstructing text from syscomments .. |
86ee0658 |
87 | # this seems to work fine and is certainly not complicated! |
88 | |
89 | foreach (@{$h}) { |
90 | $stuff->{view}->{$_->[0]}->{text} .= $_->[3]; |
91 | } |
92 | |
93 | #### objects with indexes. |
94 | map { |
95 | $stuff->{indexes}->{$_->[0]}++ |
96 | if defined; |
1eb8ea88 |
97 | } @{$dbh->selectall_arrayref("SELECT DISTINCT object_name(id) AS name |
98 | FROM sysindexes |
99 | WHERE indid > 0")}; |
86ee0658 |
100 | |
101 | ## slurp objects |
102 | map { |
103 | $stuff->{$_->[1]}->{$_->[0]} = $_; |
1eb8ea88 |
104 | } @{$dbh->selectall_arrayref("SELECT name,type, id FROM sysobjects")}; |
86ee0658 |
105 | |
106 | |
107 | ### Procedures |
1eb8ea88 |
108 | |
109 | # This gets legitimate procedures by used the 'supported' API: sp_stored_procedures |
110 | map { |
111 | my $n = $_->{PROCEDURE_NAME}; |
112 | $n =~ s/;\d+$//; # Ignore versions for now |
113 | $_->{name} = $n; |
114 | $stuff->{procedures}->{$n} = $_; |
115 | } values %{$dbh->selectall_hashref("sp_stored_procedures", 'PROCEDURE_NAME')}; |
116 | |
117 | |
118 | # And this blasts in the text of 'legit' stored procedures. Do |
119 | # this rather than calling sp_helptext in a loop. |
120 | |
121 | $h = $dbh->selectall_arrayref(q{ |
122 | SELECT o.name, colid,colid2,c.text |
123 | FROM syscomments c |
124 | JOIN sysobjects o |
125 | ON c.id = o.id |
126 | WHERE o.type ='P' |
127 | ORDER BY o.name, |
128 | c.colid, |
129 | c.colid2 |
130 | } |
131 | ); |
132 | |
133 | foreach (@{$h}) { |
134 | $stuff->{procedures}->{$_->[0]}->{text} .= $_->[3] |
135 | if (defined($stuff->{procedures}->{$_->[0]})); |
136 | } |
137 | |
86ee0658 |
138 | ### Defaults |
139 | ### Rules |
140 | ### Bind Defaults |
141 | ### Bind Rules |
142 | |
143 | ### Triggers |
1eb8ea88 |
144 | # Since the 'target' of the trigger is defined in the text, we will |
145 | # just create them independently for now rather than associating them |
146 | # with a table. |
147 | |
148 | $h = $dbh->selectall_arrayref(q{ |
149 | SELECT o.name, colid,colid2,c.text |
150 | FROM syscomments c |
151 | JOIN sysobjects o |
152 | ON c.id = o.id |
153 | JOIN sysobjects o1 |
154 | ON (o.id = o1.instrig OR o.id = o1.deltrig or o.id = o1.updtrig) |
155 | WHERE o.type ='TR' |
156 | ORDER BY o.name, |
157 | c.colid, |
158 | c.colid2 |
159 | } |
160 | ); |
161 | foreach (@{$h}) { |
162 | $stuff->{triggers}->{$_->[0]}->{text} .= $_->[3]; |
163 | } |
86ee0658 |
164 | |
165 | ### References |
166 | ### Keys |
167 | |
168 | ### Types |
1eb8ea88 |
169 | # Not sure what to do with these? |
86ee0658 |
170 | $stuff->{type_info_all} = $dbh->type_info_all; |
171 | |
172 | ### Tables |
173 | # According to the DBI docs, these can be |
174 | |
175 | # "TABLE" |
176 | # "VIEW" |
177 | # "SYSTEM TABLE" |
178 | # "GLOBAL TEMPORARY", |
179 | # "LOCAL TEMPORARY" |
180 | # "ALIAS" |
181 | # "SYNONYM" |
182 | |
183 | foreach my $table_info (@tables) { |
184 | next |
185 | unless (defined($table_info->{TABLE_TYPE})); |
186 | |
187 | if ($table_info->{TABLE_TYPE} =~ /TABLE/) { |
188 | my $table = $schema->add_table( |
189 | name => |
190 | $table_info->{TABLE_NAME}, |
191 | type => |
192 | $table_info->{TABLE_TYPE}, |
193 | ) || die $schema->error; |
194 | |
195 | # find the associated columns |
196 | |
197 | my $cols = |
198 | $columns->{$table_info->{TABLE_QUALIFIER}} |
199 | ->{$table_info->{TABLE_OWNER}} |
200 | ->{$table_info->{TABLE_NAME}} |
201 | ->{columns}; |
202 | |
203 | foreach my $c (values %{$cols}) { |
1eb8ea88 |
204 | my $f = $table->add_field( |
205 | name => $c->{COLUMN_NAME}, |
206 | data_type => $c->{TYPE_NAME}, |
207 | order => $c->{ORDINAL_POSITION}, |
208 | size => $c->{COLUMN_SIZE}, |
86ee0658 |
209 | ) || die $table->error; |
1eb8ea88 |
210 | |
86ee0658 |
211 | $f->is_nullable(1) |
212 | if ($c->{NULLABLE} == 1); |
213 | } |
214 | |
215 | # add in primary key |
216 | my $h = $dbh->selectall_hashref("sp_pkeys |
217 | $table_info->{TABLE_NAME}", 'COLUMN_NAME'); |
218 | if (scalar keys %{$h} > 1) { |
219 | my @c = map { |
220 | $_->{COLUMN_NAME} |
221 | } sort { |
222 | $a->{KEY_SEQ} <=> $b->{KEY_SEQ} |
223 | } values %{$h}; |
224 | |
225 | $table->primary_key(@c) |
226 | if (scalar @c); |
227 | } |
228 | |
229 | # add in any indexes ... how do we tell if the index has |
230 | # already been created as part of a primary key or other |
231 | # constraint? |
232 | |
1eb8ea88 |
233 | if (defined($stuff->{indexes}->{$table_info->{TABLE_NAME}})){ |
86ee0658 |
234 | my $h = $dbh->selectall_hashref("sp_helpindex |
235 | $table_info->{TABLE_NAME}", 'INDEX_NAME'); |
236 | foreach (values %{$h}) { |
237 | my $fields = $_->{'INDEX_KEYS'}; |
238 | $fields =~ s/\s*//g; |
239 | my $i = $table->add_index( |
240 | name => |
241 | $_->{INDEX_NAME}, |
242 | fields => $fields, |
243 | ); |
244 | if ($_->{'INDEX_DESCRIPTION'} =~ /unique/i) { |
245 | $i->type('unique'); |
246 | |
247 | # we could make this a primary key if there |
248 | # isn't already one defined and if there |
249 | # aren't any nullable columns in thisindex. |
250 | |
251 | if (!defined($table->primary_key())) { |
252 | $table->primary_key($fields) |
253 | unless grep { |
254 | $table->get_field($_)->is_nullable() |
255 | } split(/,\s*/, $fields); |
256 | } |
257 | } |
258 | } |
259 | } |
260 | } elsif ($table_info->{TABLE_TYPE} eq 'VIEW') { |
261 | my $view = $schema->add_view( |
262 | name => |
263 | $table_info->{TABLE_NAME}, |
264 | ); |
265 | |
1eb8ea88 |
266 | |
86ee0658 |
267 | my $cols = |
268 | $columns->{$table_info->{TABLE_QUALIFIER}} |
269 | ->{$table_info->{TABLE_OWNER}} |
270 | ->{$table_info->{TABLE_NAME}} |
271 | ->{columns}; |
272 | |
273 | $view->fields(map { |
274 | $_->{COLUMN_NAME} |
275 | } sort { |
276 | $a->{ORDINAL_POSITION} <=> $b->{ORDINAL_POSITION} |
277 | } values %{$cols} |
278 | ); |
279 | |
1eb8ea88 |
280 | $view->sql($stuff->{view}->{$table_info->{TABLE_NAME}}->{text}) |
281 | if (defined($stuff->{view}->{$table_info->{TABLE_NAME}}->{text})); |
86ee0658 |
282 | } |
283 | } |
1eb8ea88 |
284 | |
285 | foreach my $p (values %{$stuff->{procedures}}) { |
286 | my $proc = $schema->add_procedure( |
287 | name => $p->{name}, |
288 | owner => $p->{PROCEDURE_OWNER}, |
289 | comments => $p->{REMARKS}, |
290 | sql => $p->{text}, |
291 | ); |
292 | |
293 | } |
86ee0658 |
294 | ### Permissions |
295 | ### Groups |
296 | ### Users |
297 | ### Aliases |
298 | ### Logins |
1eb8ea88 |
299 | return 1; |
86ee0658 |
300 | } |
301 | |
302 | 1; |
303 | |
304 | =pod |
305 | |
306 | =head1 AUTHOR |
307 | |
308 | Paul Harrington E<lt>harringp@deshaw.comE<gt>, |
309 | |
310 | =head1 SEE ALSO |
311 | |
312 | DBI, DBD::Sybase, SQL::Translator::Schema. |
313 | |
314 | =cut |
315 | |