Commit | Line | Data |
86ee0658 |
1 | package SQL::Translator::Parser::DBI::Sybase; |
2 | |
587a99b0 |
3 | # ------------------------------------------------------------------- |
478f608d |
4 | # Copyright (C) 2002-2009 SQLFairy Authors |
587a99b0 |
5 | # |
6 | # This program is free software; you can redistribute it and/or |
7 | # modify it under the terms of the GNU General Public License as |
8 | # published by the Free Software Foundation; version 2. |
9 | # |
10 | # This program is distributed in the hope that it will be useful, but |
11 | # WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | # General Public License for more details. |
14 | # |
15 | # You should have received a copy of the GNU General Public License |
16 | # along with this program; if not, write to the Free Software |
17 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
18 | # 02111-1307 USA |
19 | # ------------------------------------------------------------------- |
86ee0658 |
20 | |
21 | =head1 NAME |
22 | |
23 | SQL::Translator::Parser::DBI::Sybase - parser for DBD::Sybase |
24 | |
25 | =head1 SYNOPSIS |
26 | |
27 | See SQL::Translator::Parser::DBI. |
28 | |
29 | =head1 DESCRIPTION |
30 | |
31 | Uses DBI Catalog Methods. |
32 | |
33 | =cut |
34 | |
35 | use strict; |
36 | use DBI; |
37 | use SQL::Translator::Schema; |
38 | use Data::Dumper; |
39 | |
da06ac74 |
40 | use vars qw[ $DEBUG $VERSION @EXPORT_OK ]; |
4ab3763d |
41 | $VERSION = '1.59'; |
86ee0658 |
42 | $DEBUG = 0 unless defined $DEBUG; |
43 | |
44 | no strict 'refs'; |
45 | |
46 | # ------------------------------------------------------------------- |
47 | sub parse { |
48 | my ( $tr, $dbh ) = @_; |
49 | |
50 | if ($dbh->{FetchHashKeyName} ne 'NAME_uc') { |
51 | warn "setting dbh attribute {FetchHashKeyName} to NAME_uc"; |
52 | $dbh->{FetchHashKeyName} = 'NAME_uc'; |
53 | } |
54 | |
55 | if ($dbh->{ChopBlanks} != 1) { |
56 | warn "setting dbh attribute {ChopBlanks} to 1"; |
57 | $dbh->{ChopBlanks} = 1; |
58 | } |
59 | |
60 | my $schema = $tr->schema; |
61 | |
62 | my ($sth, @tables, $columns); |
63 | my $stuff; |
64 | |
65 | ### Columns |
66 | |
67 | # it is much quicker to slurp back everything all at once rather |
68 | # than make repeated calls |
69 | |
546dad3b |
70 | $sth = $dbh->column_info(undef, undef, undef, undef); |
86ee0658 |
71 | |
72 | |
73 | foreach my $c (@{$sth->fetchall_arrayref({})}) { |
74 | $columns |
75 | ->{$c->{TABLE_CAT}} |
76 | ->{$c->{TABLE_SCHEM}} |
77 | ->{$c->{TABLE_NAME}} |
78 | ->{columns} |
79 | ->{$c->{COLUMN_NAME}}= $c; |
80 | } |
81 | |
82 | ### Tables and views |
83 | |
84 | # Get a list of the tables and views. |
85 | $sth = $dbh->table_info(); |
86 | @tables = @{$sth->fetchall_arrayref({})}; |
87 | |
88 | my $h = $dbh->selectall_arrayref(q{ |
89 | SELECT o.name, colid,colid2,c.text |
90 | FROM syscomments c |
91 | JOIN sysobjects o |
92 | ON c.id = o.id |
93 | WHERE o.type ='V' |
94 | ORDER BY o.name, |
95 | c.colid, |
96 | c.colid2 |
97 | } |
98 | ); |
99 | |
100 | # View text |
101 | # I had always thought there was something 'hard' about |
e36f4eac |
102 | # reconstructing text from syscomments .. |
86ee0658 |
103 | # this seems to work fine and is certainly not complicated! |
104 | |
105 | foreach (@{$h}) { |
106 | $stuff->{view}->{$_->[0]}->{text} .= $_->[3]; |
107 | } |
108 | |
109 | #### objects with indexes. |
110 | map { |
111 | $stuff->{indexes}->{$_->[0]}++ |
112 | if defined; |
1eb8ea88 |
113 | } @{$dbh->selectall_arrayref("SELECT DISTINCT object_name(id) AS name |
114 | FROM sysindexes |
115 | WHERE indid > 0")}; |
86ee0658 |
116 | |
117 | ## slurp objects |
118 | map { |
119 | $stuff->{$_->[1]}->{$_->[0]} = $_; |
1eb8ea88 |
120 | } @{$dbh->selectall_arrayref("SELECT name,type, id FROM sysobjects")}; |
86ee0658 |
121 | |
122 | |
123 | ### Procedures |
1eb8ea88 |
124 | |
125 | # This gets legitimate procedures by used the 'supported' API: sp_stored_procedures |
126 | map { |
127 | my $n = $_->{PROCEDURE_NAME}; |
128 | $n =~ s/;\d+$//; # Ignore versions for now |
129 | $_->{name} = $n; |
130 | $stuff->{procedures}->{$n} = $_; |
131 | } values %{$dbh->selectall_hashref("sp_stored_procedures", 'PROCEDURE_NAME')}; |
132 | |
133 | |
134 | # And this blasts in the text of 'legit' stored procedures. Do |
135 | # this rather than calling sp_helptext in a loop. |
136 | |
137 | $h = $dbh->selectall_arrayref(q{ |
138 | SELECT o.name, colid,colid2,c.text |
139 | FROM syscomments c |
140 | JOIN sysobjects o |
141 | ON c.id = o.id |
142 | WHERE o.type ='P' |
143 | ORDER BY o.name, |
144 | c.colid, |
145 | c.colid2 |
146 | } |
147 | ); |
148 | |
149 | foreach (@{$h}) { |
150 | $stuff->{procedures}->{$_->[0]}->{text} .= $_->[3] |
151 | if (defined($stuff->{procedures}->{$_->[0]})); |
152 | } |
153 | |
86ee0658 |
154 | ### Defaults |
155 | ### Rules |
156 | ### Bind Defaults |
157 | ### Bind Rules |
158 | |
159 | ### Triggers |
1eb8ea88 |
160 | # Since the 'target' of the trigger is defined in the text, we will |
161 | # just create them independently for now rather than associating them |
162 | # with a table. |
163 | |
164 | $h = $dbh->selectall_arrayref(q{ |
165 | SELECT o.name, colid,colid2,c.text |
166 | FROM syscomments c |
167 | JOIN sysobjects o |
168 | ON c.id = o.id |
169 | JOIN sysobjects o1 |
170 | ON (o.id = o1.instrig OR o.id = o1.deltrig or o.id = o1.updtrig) |
171 | WHERE o.type ='TR' |
172 | ORDER BY o.name, |
173 | c.colid, |
174 | c.colid2 |
175 | } |
176 | ); |
177 | foreach (@{$h}) { |
178 | $stuff->{triggers}->{$_->[0]}->{text} .= $_->[3]; |
179 | } |
86ee0658 |
180 | |
181 | ### References |
182 | ### Keys |
183 | |
184 | ### Types |
1eb8ea88 |
185 | # Not sure what to do with these? |
86ee0658 |
186 | $stuff->{type_info_all} = $dbh->type_info_all; |
187 | |
188 | ### Tables |
189 | # According to the DBI docs, these can be |
190 | |
191 | # "TABLE" |
192 | # "VIEW" |
193 | # "SYSTEM TABLE" |
194 | # "GLOBAL TEMPORARY", |
195 | # "LOCAL TEMPORARY" |
196 | # "ALIAS" |
197 | # "SYNONYM" |
198 | |
199 | foreach my $table_info (@tables) { |
200 | next |
201 | unless (defined($table_info->{TABLE_TYPE})); |
202 | |
203 | if ($table_info->{TABLE_TYPE} =~ /TABLE/) { |
204 | my $table = $schema->add_table( |
205 | name => |
206 | $table_info->{TABLE_NAME}, |
207 | type => |
208 | $table_info->{TABLE_TYPE}, |
209 | ) || die $schema->error; |
210 | |
211 | # find the associated columns |
212 | |
213 | my $cols = |
214 | $columns->{$table_info->{TABLE_QUALIFIER}} |
215 | ->{$table_info->{TABLE_OWNER}} |
216 | ->{$table_info->{TABLE_NAME}} |
217 | ->{columns}; |
218 | |
219 | foreach my $c (values %{$cols}) { |
1eb8ea88 |
220 | my $f = $table->add_field( |
221 | name => $c->{COLUMN_NAME}, |
222 | data_type => $c->{TYPE_NAME}, |
223 | order => $c->{ORDINAL_POSITION}, |
224 | size => $c->{COLUMN_SIZE}, |
86ee0658 |
225 | ) || die $table->error; |
1eb8ea88 |
226 | |
86ee0658 |
227 | $f->is_nullable(1) |
228 | if ($c->{NULLABLE} == 1); |
229 | } |
230 | |
231 | # add in primary key |
232 | my $h = $dbh->selectall_hashref("sp_pkeys |
233 | $table_info->{TABLE_NAME}", 'COLUMN_NAME'); |
234 | if (scalar keys %{$h} > 1) { |
235 | my @c = map { |
236 | $_->{COLUMN_NAME} |
237 | } sort { |
238 | $a->{KEY_SEQ} <=> $b->{KEY_SEQ} |
239 | } values %{$h}; |
240 | |
241 | $table->primary_key(@c) |
242 | if (scalar @c); |
243 | } |
244 | |
245 | # add in any indexes ... how do we tell if the index has |
246 | # already been created as part of a primary key or other |
247 | # constraint? |
248 | |
1eb8ea88 |
249 | if (defined($stuff->{indexes}->{$table_info->{TABLE_NAME}})){ |
86ee0658 |
250 | my $h = $dbh->selectall_hashref("sp_helpindex |
251 | $table_info->{TABLE_NAME}", 'INDEX_NAME'); |
252 | foreach (values %{$h}) { |
253 | my $fields = $_->{'INDEX_KEYS'}; |
254 | $fields =~ s/\s*//g; |
255 | my $i = $table->add_index( |
256 | name => |
257 | $_->{INDEX_NAME}, |
258 | fields => $fields, |
259 | ); |
260 | if ($_->{'INDEX_DESCRIPTION'} =~ /unique/i) { |
261 | $i->type('unique'); |
262 | |
263 | # we could make this a primary key if there |
264 | # isn't already one defined and if there |
265 | # aren't any nullable columns in thisindex. |
266 | |
267 | if (!defined($table->primary_key())) { |
268 | $table->primary_key($fields) |
269 | unless grep { |
270 | $table->get_field($_)->is_nullable() |
271 | } split(/,\s*/, $fields); |
272 | } |
273 | } |
274 | } |
275 | } |
276 | } elsif ($table_info->{TABLE_TYPE} eq 'VIEW') { |
277 | my $view = $schema->add_view( |
278 | name => |
279 | $table_info->{TABLE_NAME}, |
280 | ); |
281 | |
1eb8ea88 |
282 | |
86ee0658 |
283 | my $cols = |
284 | $columns->{$table_info->{TABLE_QUALIFIER}} |
285 | ->{$table_info->{TABLE_OWNER}} |
286 | ->{$table_info->{TABLE_NAME}} |
287 | ->{columns}; |
288 | |
289 | $view->fields(map { |
290 | $_->{COLUMN_NAME} |
291 | } sort { |
292 | $a->{ORDINAL_POSITION} <=> $b->{ORDINAL_POSITION} |
293 | } values %{$cols} |
294 | ); |
295 | |
1eb8ea88 |
296 | $view->sql($stuff->{view}->{$table_info->{TABLE_NAME}}->{text}) |
297 | if (defined($stuff->{view}->{$table_info->{TABLE_NAME}}->{text})); |
86ee0658 |
298 | } |
299 | } |
1eb8ea88 |
300 | |
301 | foreach my $p (values %{$stuff->{procedures}}) { |
302 | my $proc = $schema->add_procedure( |
303 | name => $p->{name}, |
304 | owner => $p->{PROCEDURE_OWNER}, |
305 | comments => $p->{REMARKS}, |
306 | sql => $p->{text}, |
307 | ); |
308 | |
309 | } |
587a99b0 |
310 | |
86ee0658 |
311 | ### Permissions |
312 | ### Groups |
313 | ### Users |
314 | ### Aliases |
315 | ### Logins |
587a99b0 |
316 | return 1; |
86ee0658 |
317 | } |
318 | |
319 | 1; |
320 | |
587a99b0 |
321 | # ------------------------------------------------------------------- |
322 | |
86ee0658 |
323 | =pod |
324 | |
325 | =head1 AUTHOR |
326 | |
587a99b0 |
327 | Paul Harrington E<lt>harringp@deshaw.comE<gt>. |
86ee0658 |
328 | |
329 | =head1 SEE ALSO |
330 | |
331 | DBI, DBD::Sybase, SQL::Translator::Schema. |
332 | |
333 | =cut |