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fe67d343 |
1 | package DBIx::Class::Schema::Loader::DBI::Sybase; |
2 | |
3 | use strict; |
4 | use warnings; |
de82711a |
5 | use base 'DBIx::Class::Schema::Loader::DBI::Sybase::Common'; |
942bd5e0 |
6 | use mro 'c3'; |
c4a69b87 |
7 | use List::MoreUtils 'any'; |
8 | use namespace::clean; |
9 | |
10 | use DBIx::Class::Schema::Loader::Table::Sybase (); |
fe67d343 |
11 | |
d372611d |
12 | our $VERSION = '0.07036'; |
fe67d343 |
13 | |
14 | =head1 NAME |
15 | |
5163dc4a |
16 | DBIx::Class::Schema::Loader::DBI::Sybase - DBIx::Class::Schema::Loader::DBI |
17 | Sybase ASE Implementation. |
fe67d343 |
18 | |
19 | =head1 DESCRIPTION |
20 | |
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21 | See L<DBIx::Class::Schema::Loader> and L<DBIx::Class::Schema::Loader::Base>. |
fe67d343 |
22 | |
c4a69b87 |
23 | This class reblesses into the L<DBIx::Class::Schema::Loader::DBI::Sybase::Microsoft_SQL_Server> class for connections to MSSQL. |
bc1cb85e |
24 | |
c4a69b87 |
25 | =cut |
565335e6 |
26 | |
fe67d343 |
27 | sub _rebless { |
28 | my $self = shift; |
29 | |
30 | my $dbh = $self->schema->storage->dbh; |
31 | my $DBMS_VERSION = @{$dbh->selectrow_arrayref(qq{sp_server_info \@attribute_id=1})}[2]; |
32 | if ($DBMS_VERSION =~ /^Microsoft /i) { |
b1e43108 |
33 | $DBMS_VERSION =~ s/\s/_/g; |
34 | my $subclass = "DBIx::Class::Schema::Loader::DBI::Sybase::$DBMS_VERSION"; |
65f74457 |
35 | if ($self->load_optional_class($subclass) && !$self->isa($subclass)) { |
36 | bless $self, $subclass; |
37 | $self->_rebless; |
fe67d343 |
38 | } |
39 | } |
40 | } |
41 | |
c4a69b87 |
42 | sub _system_databases { |
43 | return (qw/ |
44 | master model sybsystemdb sybsystemprocs tempdb |
45 | /); |
46 | } |
47 | |
48 | sub _system_tables { |
49 | return (qw/ |
50 | sysquerymetrics |
51 | /); |
52 | } |
53 | |
54 | sub _setup { |
55 | my $self = shift; |
56 | |
57 | $self->next::method(@_); |
58 | |
59 | $self->preserve_case(1); |
60 | |
61 | my ($current_db) = $self->dbh->selectrow_array('SELECT db_name()'); |
62 | |
63 | if (ref $self->db_schema eq 'HASH') { |
64 | if (keys %{ $self->db_schema } < 2) { |
65 | my ($db) = keys %{ $self->db_schema }; |
66 | |
67 | $db ||= $current_db; |
68 | |
69 | if ($db eq '%') { |
70 | my $owners = $self->db_schema->{$db}; |
71 | |
72 | my $db_names = $self->dbh->selectcol_arrayref(<<'EOF'); |
73 | SELECT name |
74 | FROM master.dbo.sysdatabases |
75 | EOF |
76 | |
77 | my @dbs; |
78 | |
79 | foreach my $db_name (@$db_names) { |
80 | push @dbs, $db_name |
81 | unless any { $_ eq $db_name } $self->_system_databases; |
82 | } |
83 | |
84 | $self->db_schema({}); |
85 | |
86 | DB: foreach my $db (@dbs) { |
87 | if (not ((ref $owners eq 'ARRAY' && $owners->[0] eq '%') || $owners eq '%')) { |
88 | my @owners; |
89 | |
90 | foreach my $owner (@$owners) { |
91 | push @owners, $owner |
92 | if defined $self->_uid($db, $owner); |
93 | } |
94 | |
95 | next DB unless @owners; |
96 | |
97 | $self->db_schema->{$db} = \@owners; |
98 | } |
99 | else { |
100 | # for post-processing below |
101 | $self->db_schema->{$db} = '%'; |
102 | } |
103 | } |
104 | |
105 | $self->qualify_objects(1); |
106 | } |
107 | else { |
108 | if ($db ne $current_db) { |
109 | $self->dbh->do("USE [$db]"); |
110 | |
111 | $self->qualify_objects(1); |
112 | } |
113 | } |
114 | } |
115 | else { |
116 | $self->qualify_objects(1); |
117 | } |
118 | } |
119 | elsif (ref $self->db_schema eq 'ARRAY' || (not defined $self->db_schema)) { |
120 | my $owners = $self->db_schema; |
121 | $owners ||= [ $self->dbh->selectrow_array('SELECT user_name()') ]; |
122 | |
123 | $self->qualify_objects(1) if @$owners > 1; |
124 | |
125 | $self->db_schema({ $current_db => $owners }); |
126 | } |
127 | |
128 | foreach my $db (keys %{ $self->db_schema }) { |
129 | if ($self->db_schema->{$db} eq '%') { |
130 | my $owners = $self->dbh->selectcol_arrayref(<<"EOF"); |
131 | SELECT name |
132 | FROM [$db].dbo.sysusers |
133 | WHERE uid <> gid |
134 | EOF |
135 | $self->db_schema->{$db} = $owners; |
136 | |
137 | $self->qualify_objects(1); |
138 | } |
139 | } |
140 | } |
141 | |
8f65b7e5 |
142 | sub _tables_list { |
143 | my ($self, $opts) = @_; |
144 | |
c4a69b87 |
145 | my @tables; |
8f65b7e5 |
146 | |
c4a69b87 |
147 | while (my ($db, $owners) = each %{ $self->db_schema }) { |
148 | foreach my $owner (@$owners) { |
149 | my ($uid) = $self->_uid($db, $owner); |
8f65b7e5 |
150 | |
c4a69b87 |
151 | my $table_names = $self->dbh->selectcol_arrayref(<<"EOF"); |
152 | SELECT name |
153 | FROM [$db].dbo.sysobjects |
154 | WHERE uid = $uid |
155 | AND type IN ('U', 'V') |
156 | EOF |
157 | |
158 | TABLE: foreach my $table_name (@$table_names) { |
159 | next TABLE if any { $_ eq $table_name } $self->_system_tables; |
160 | |
161 | push @tables, DBIx::Class::Schema::Loader::Table::Sybase->new( |
162 | loader => $self, |
163 | name => $table_name, |
164 | database => $db, |
165 | schema => $owner, |
166 | ); |
167 | } |
168 | } |
169 | } |
8f65b7e5 |
170 | |
171 | return $self->_filter_tables(\@tables, $opts); |
172 | } |
173 | |
c4a69b87 |
174 | sub _uid { |
175 | my ($self, $db, $owner) = @_; |
176 | |
177 | my ($uid) = $self->dbh->selectrow_array(<<"EOF"); |
178 | SELECT uid |
179 | FROM [$db].dbo.sysusers |
180 | WHERE name = @{[ $self->dbh->quote($owner) ]} |
181 | EOF |
182 | |
183 | return $uid; |
184 | } |
185 | |
fe67d343 |
186 | sub _table_columns { |
187 | my ($self, $table) = @_; |
188 | |
c4a69b87 |
189 | my $db = $table->database; |
190 | my $owner = $table->schema; |
191 | |
192 | my $columns = $self->dbh->selectcol_arrayref(<<"EOF"); |
9a55cbd2 |
193 | SELECT c.name |
c4a69b87 |
194 | FROM [$db].dbo.syscolumns c |
195 | JOIN [$db].dbo.sysobjects o |
196 | ON c.id = o.id |
197 | WHERE o.name = @{[ $self->dbh->quote($table->name) ]} |
198 | AND o.type IN ('U', 'V') |
199 | AND o.uid = @{[ $self->_uid($db, $owner) ]} |
200 | ORDER BY c.colid ASC |
201 | EOF |
fe67d343 |
202 | |
203 | return $columns; |
204 | } |
205 | |
206 | sub _table_pk_info { |
207 | my ($self, $table) = @_; |
208 | |
c4a69b87 |
209 | my ($current_db) = $self->dbh->selectrow_array('SELECT db_name()'); |
210 | |
211 | my $db = $table->database; |
212 | |
213 | $self->dbh->do("USE [$db]"); |
214 | |
215 | local $self->dbh->{FetchHashKeyName} = 'NAME_lc'; |
216 | |
217 | my $sth = $self->dbh->prepare(<<"EOF"); |
218 | sp_pkeys @{[ $self->dbh->quote($table->name) ]}, |
219 | @{[ $self->dbh->quote($table->schema) ]}, |
220 | @{[ $self->dbh->quote($db) ]} |
221 | EOF |
fe67d343 |
222 | $sth->execute; |
223 | |
224 | my @keydata; |
225 | |
226 | while (my $row = $sth->fetchrow_hashref) { |
c9373b79 |
227 | push @keydata, $row->{column_name}; |
fe67d343 |
228 | } |
229 | |
c4a69b87 |
230 | $self->dbh->do("USE [$current_db]"); |
231 | |
fe67d343 |
232 | return \@keydata; |
233 | } |
234 | |
235 | sub _table_fk_info { |
236 | my ($self, $table) = @_; |
237 | |
c4a69b87 |
238 | my $db = $table->database; |
239 | my $owner = $table->schema; |
240 | |
241 | my $sth = $self->dbh->prepare(<<"EOF"); |
242 | SELECT sr.reftabid, sd2.name, sr.keycnt, |
243 | fokey1, fokey2, fokey3, fokey4, fokey5, fokey6, fokey7, fokey8, |
244 | fokey9, fokey10, fokey11, fokey12, fokey13, fokey14, fokey15, fokey16, |
245 | refkey1, refkey2, refkey3, refkey4, refkey5, refkey6, refkey7, refkey8, |
246 | refkey9, refkey10, refkey11, refkey12, refkey13, refkey14, refkey15, refkey16 |
247 | FROM [$db].dbo.sysreferences sr |
248 | JOIN [$db].dbo.sysobjects so1 |
249 | ON sr.tableid = so1.id |
250 | JOIN [$db].dbo.sysusers su1 |
251 | ON so1.uid = su1.uid |
252 | JOIN master.dbo.sysdatabases sd2 |
253 | ON sr.pmrydbid = sd2.dbid |
254 | WHERE so1.name = @{[ $self->dbh->quote($table->name) ]} |
255 | AND su1.name = @{[ $self->dbh->quote($table->schema) ]} |
256 | EOF |
fe67d343 |
257 | $sth->execute; |
258 | |
c4a69b87 |
259 | my @rels; |
0852b7b8 |
260 | |
c4a69b87 |
261 | REL: while (my @rel = $sth->fetchrow_array) { |
262 | my ($remote_tab_id, $remote_db, $key_cnt) = splice @rel, 0, 3; |
dc379dc6 |
263 | |
c4a69b87 |
264 | my ($remote_tab_owner, $remote_tab_name) = |
265 | $self->dbh->selectrow_array(<<"EOF"); |
266 | SELECT su.name, so.name |
267 | FROM [$remote_db].dbo.sysusers su |
268 | JOIN [$remote_db].dbo.sysobjects so |
269 | ON su.uid = so.uid |
270 | WHERE so.id = $remote_tab_id |
271 | EOF |
dc379dc6 |
272 | |
c4a69b87 |
273 | next REL |
274 | unless any { $_ eq $remote_tab_owner } |
275 | @{ $self->db_schema->{$remote_db} || [] }; |
dc379dc6 |
276 | |
c4a69b87 |
277 | my @local_col_ids = splice @rel, 0, 16; |
278 | my @remote_col_ids = splice @rel, 0, 16; |
0852b7b8 |
279 | |
c4a69b87 |
280 | @local_col_ids = splice @local_col_ids, 0, $key_cnt; |
281 | @remote_col_ids = splice @remote_col_ids, 0, $key_cnt; |
0852b7b8 |
282 | |
c4a69b87 |
283 | my $remote_table = DBIx::Class::Schema::Loader::Table::Sybase->new( |
284 | loader => $self, |
285 | name => $remote_tab_name, |
286 | database => $remote_db, |
287 | schema => $remote_tab_owner, |
288 | ); |
0852b7b8 |
289 | |
c4a69b87 |
290 | my $all_local_cols = $self->_table_columns($table); |
291 | my $all_remote_cols = $self->_table_columns($remote_table); |
0852b7b8 |
292 | |
c4a69b87 |
293 | my @local_cols = map $all_local_cols->[$_-1], @local_col_ids; |
294 | my @remote_cols = map $all_remote_cols->[$_-1], @remote_col_ids; |
dc379dc6 |
295 | |
c4a69b87 |
296 | next REL if (any { not defined $_ } @local_cols) |
297 | || (any { not defined $_ } @remote_cols); |
dc379dc6 |
298 | |
299 | push @rels, { |
300 | local_columns => \@local_cols, |
dc379dc6 |
301 | remote_table => $remote_table, |
c4a69b87 |
302 | remote_columns => \@remote_cols, |
dc379dc6 |
303 | }; |
c4a69b87 |
304 | }; |
0852b7b8 |
305 | |
306 | return \@rels; |
307 | } |
308 | |
fe67d343 |
309 | sub _table_uniq_info { |
310 | my ($self, $table) = @_; |
311 | |
c4a69b87 |
312 | my $db = $table->database; |
313 | my $owner = $table->schema; |
314 | my $uid = $self->_uid($db, $owner); |
315 | |
316 | my ($current_db) = $self->dbh->selectrow_array('SELECT db_name()'); |
317 | |
318 | $self->dbh->do("USE [$db]"); |
319 | |
320 | my $sth = $self->dbh->prepare(<<"EOF"); |
321 | SELECT si.name, si.indid, si.keycnt |
322 | FROM [$db].dbo.sysindexes si |
323 | JOIN [$db].dbo.sysobjects so |
324 | ON si.id = so.id |
325 | WHERE so.name = @{[ $self->dbh->quote($table->name) ]} |
326 | AND so.uid = $uid |
327 | AND si.indid > 0 |
328 | AND si.status & 2048 <> 2048 |
329 | AND si.status2 & 2 = 2 |
330 | EOF |
331 | $sth->execute; |
0852b7b8 |
332 | |
c4a69b87 |
333 | my %uniqs; |
fe67d343 |
334 | |
c4a69b87 |
335 | while (my ($ind_name, $ind_id, $key_cnt) = $sth->fetchrow_array) { |
336 | COLS: foreach my $col_idx (1 .. ($key_cnt+1)) { |
337 | my ($next_col) = $self->dbh->selectrow_array(<<"EOF"); |
338 | SELECT index_col( |
339 | @{[ $self->dbh->quote($table->name) ]}, |
340 | $ind_id, $col_idx, $uid |
341 | ) |
342 | EOF |
343 | last COLS unless defined $next_col; |
344 | |
345 | push @{ $uniqs{$ind_name} }, $next_col; |
fe67d343 |
346 | } |
347 | } |
348 | |
c4a69b87 |
349 | my @uniqs = map { [ $_ => $uniqs{$_} ] } keys %uniqs; |
350 | |
351 | $self->dbh->do("USE [$current_db]"); |
352 | |
fe67d343 |
353 | return \@uniqs; |
354 | } |
355 | |
db4d62ad |
356 | sub _columns_info_for { |
357 | my $self = shift; |
358 | my ($table) = @_; |
359 | my $result = $self->next::method(@_); |
360 | |
c4a69b87 |
361 | my $db = $table->database; |
362 | my $owner = $table->schema; |
363 | my $uid = $self->_uid($db, $owner); |
364 | |
365 | local $self->dbh->{FetchHashKeyName} = 'NAME_lc'; |
366 | my $sth = $self->dbh->prepare(<<"EOF"); |
006c8ed3 |
367 | SELECT c.name, bt.name base_type, ut.name user_type, c.prec prec, c.scale scale, c.length len, c.cdefault dflt_id, c.computedcol comp_id, (c.status & 0x80) is_id |
c4a69b87 |
368 | FROM [$db].dbo.syscolumns c |
006c8ed3 |
369 | LEFT JOIN [$db].dbo.sysobjects o ON c.id = o.id |
370 | LEFT JOIN [$db].dbo.systypes bt ON c.type = bt.type |
371 | LEFT JOIN [$db].dbo.systypes ut ON c.usertype = ut.usertype |
c4a69b87 |
372 | WHERE o.name = @{[ $self->dbh->quote($table) ]} |
373 | AND o.uid = $uid |
374 | AND o.type IN ('U', 'V') |
375 | EOF |
db4d62ad |
376 | $sth->execute; |
2fb9a4b3 |
377 | my $info = $sth->fetchall_hashref('name'); |
db4d62ad |
378 | |
2fb9a4b3 |
379 | while (my ($col, $res) = each %$result) { |
006c8ed3 |
380 | $res->{data_type} = $info->{$col}{user_type} || $info->{$col}{base_type}; |
c4a69b87 |
381 | |
006c8ed3 |
382 | if ($info->{$col}{is_id}) { |
c4a69b87 |
383 | $res->{is_auto_increment} = 1; |
384 | } |
e17ad40a |
385 | $sth->finish; |
41968729 |
386 | |
006c8ed3 |
387 | # column has default value |
388 | if (my $default_id = $info->{$col}{dflt_id}) { |
389 | my $sth = $self->dbh->prepare(<<"EOF"); |
390 | SELECT cm.id, cm.text |
391 | FROM [$db].dbo.syscomments cm |
392 | WHERE cm.id = $default_id |
393 | EOF |
394 | $sth->execute; |
395 | |
396 | if (my ($d_id, $default) = $sth->fetchrow_array) { |
397 | my $constant_default = ($default =~ /^DEFAULT \s+ (\S.*\S)/ix) |
398 | ? $1 |
399 | : $default; |
400 | |
401 | $constant_default = substr($constant_default, 1, length($constant_default) - 2) |
402 | if ( substr($constant_default, 0, 1) =~ m{['"\[]} |
403 | && substr($constant_default, -1) =~ m{['"\]]}); |
404 | |
405 | $res->{default_value} = $constant_default; |
406 | } |
41968729 |
407 | } |
2fb9a4b3 |
408 | |
006c8ed3 |
409 | # column is a computed value |
410 | if (my $comp_id = $info->{$col}{comp_id}) { |
411 | my $sth = $self->dbh->prepare(<<"EOF"); |
412 | SELECT cm.id, cm.text |
413 | FROM [$db].dbo.syscomments cm |
414 | WHERE cm.id = $comp_id |
415 | EOF |
416 | $sth->execute; |
417 | if (my ($c_id, $comp) = $sth->fetchrow_array) { |
418 | my $function = ($comp =~ /^AS \s+ (\S+)/ix) ? $1 : $comp; |
2fb9a4b3 |
419 | $res->{default_value} = \$function; |
0faae4b8 |
420 | |
421 | if ($function =~ /^getdate\b/) { |
422 | $res->{inflate_datetime} = 1; |
423 | } |
5163dc4a |
424 | |
425 | delete $res->{size}; |
426 | $res->{data_type} = undef; |
2fb9a4b3 |
427 | } |
2fb9a4b3 |
428 | } |
6ecee584 |
429 | |
6ecee584 |
430 | if (my $data_type = $res->{data_type}) { |
5163dc4a |
431 | if ($data_type eq 'int') { |
432 | $data_type = $res->{data_type} = 'integer'; |
433 | } |
434 | elsif ($data_type eq 'decimal') { |
435 | $data_type = $res->{data_type} = 'numeric'; |
436 | } |
006c8ed3 |
437 | elsif ($data_type eq 'float') { |
438 | $data_type = $res->{data_type} |
439 | = ($info->{$col}{len} <= 4 ? 'real' : 'double precision'); |
440 | } |
441 | |
442 | if ($data_type eq 'timestamp') { |
443 | $res->{inflate_datetime} = 0; |
444 | } |
5163dc4a |
445 | |
446 | if ($data_type =~ /^(?:text|unitext|image|bigint|integer|smallint|tinyint|real|double|double precision|float|date|time|datetime|smalldatetime|money|smallmoney|timestamp|bit)\z/i) { |
6ecee584 |
447 | delete $res->{size}; |
448 | } |
5163dc4a |
449 | elsif ($data_type eq 'numeric') { |
450 | my ($prec, $scale) = @{$info->{$col}}{qw/prec scale/}; |
451 | |
006c8ed3 |
452 | if (!defined $prec && !defined $scale) { |
453 | $data_type = $res->{data_type} = 'integer'; |
454 | delete $res->{size}; |
455 | } |
456 | elsif ($prec == 18 && $scale == 0) { |
5163dc4a |
457 | delete $res->{size}; |
458 | } |
459 | else { |
460 | $res->{size} = [ $prec, $scale ]; |
461 | } |
6ecee584 |
462 | } |
c4a69b87 |
463 | elsif ($data_type =~ /char/) { |
464 | $res->{size} = $info->{$col}{len}; |
465 | |
466 | if ($data_type =~ /^(?:unichar|univarchar)\z/i) { |
467 | $res->{size} /= 2; |
468 | } |
e17ad40a |
469 | elsif ($data_type =~ /^n(?:var)?char\z/i) { |
470 | my ($nchar_size) = $self->dbh->selectrow_array('SELECT @@ncharsize'); |
471 | |
472 | $res->{size} /= $nchar_size; |
473 | } |
6ecee584 |
474 | } |
475 | } |
db4d62ad |
476 | } |
477 | |
478 | return $result; |
479 | } |
480 | |
fe67d343 |
481 | =head1 SEE ALSO |
482 | |
5163dc4a |
483 | L<DBIx::Class::Schema::Loader::DBI::Sybase::Common>, |
fe67d343 |
484 | L<DBIx::Class::Schema::Loader>, L<DBIx::Class::Schema::Loader::Base>, |
485 | L<DBIx::Class::Schema::Loader::DBI> |
486 | |
487 | =head1 AUTHOR |
488 | |
9cc8e7e1 |
489 | See L<DBIx::Class::Schema::Loader/AUTHOR> and L<DBIx::Class::Schema::Loader/CONTRIBUTORS>. |
fe67d343 |
490 | |
be80bba7 |
491 | =head1 LICENSE |
0852b7b8 |
492 | |
be80bba7 |
493 | This library is free software; you can redistribute it and/or modify it under |
494 | the same terms as Perl itself. |
0852b7b8 |
495 | |
fe67d343 |
496 | =cut |
497 | |
498 | 1; |
db9c411a |
499 | # vim:et sts=4 sw=4 tw=0: |