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f8f0253c |
1 | package SQL::Translator::Producer::PostgreSQL; |
2 | |
44659089 |
3 | # ------------------------------------------------------------------- |
4 | # Copyright (C) 2002-2009 SQLFairy Authors |
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 | # ------------------------------------------------------------------- |
20 | |
96844cae |
21 | =head1 NAME |
22 | |
23 | SQL::Translator::Producer::PostgreSQL - PostgreSQL producer for SQL::Translator |
24 | |
20770e44 |
25 | =head1 SYNOPSIS |
26 | |
27 | my $t = SQL::Translator->new( parser => '...', producer => 'PostgreSQL' ); |
28 | $t->translate; |
29 | |
30 | =head1 DESCRIPTION |
31 | |
32 | Creates a DDL suitable for PostgreSQL. Very heavily based on the Oracle |
33 | producer. |
34 | |
e83ad71c |
35 | Now handles PostGIS Geometry and Geography data types on table definitions. |
36 | Does not yet support PostGIS Views. |
37 | |
96844cae |
38 | =cut |
39 | |
f8f0253c |
40 | use strict; |
bfb5a568 |
41 | use warnings; |
da06ac74 |
42 | use vars qw[ $DEBUG $WARN $VERSION %used_names ]; |
11ad2df9 |
43 | $VERSION = '1.59'; |
a25ac5d2 |
44 | $DEBUG = 0 unless defined $DEBUG; |
f8f0253c |
45 | |
8d11f4cb |
46 | use base qw(SQL::Translator::Producer); |
0c43e0a1 |
47 | use SQL::Translator::Schema::Constants; |
7b4b17aa |
48 | use SQL::Translator::Utils qw(debug header_comment parse_dbms_version); |
f8f0253c |
49 | use Data::Dumper; |
50 | |
892573f2 |
51 | my ( %translate, %index_name ); |
bfb5a568 |
52 | my $max_id_length; |
53 | |
54 | BEGIN { |
55 | |
56 | %translate = ( |
d529894e |
57 | # |
58 | # MySQL types |
59 | # |
60 | bigint => 'bigint', |
4328d7bd |
61 | double => 'numeric', |
62 | decimal => 'numeric', |
63 | float => 'numeric', |
d529894e |
64 | int => 'integer', |
65 | mediumint => 'integer', |
66 | smallint => 'smallint', |
67 | tinyint => 'smallint', |
c8c17a58 |
68 | char => 'character', |
da8e499e |
69 | varchar => 'character varying', |
d529894e |
70 | longtext => 'text', |
71 | mediumtext => 'text', |
72 | text => 'text', |
73 | tinytext => 'text', |
74 | tinyblob => 'bytea', |
75 | blob => 'bytea', |
76 | mediumblob => 'bytea', |
77 | longblob => 'bytea', |
da8e499e |
78 | enum => 'character varying', |
79 | set => 'character varying', |
d529894e |
80 | date => 'date', |
81 | datetime => 'timestamp', |
e56dabb7 |
82 | time => 'time', |
d529894e |
83 | timestamp => 'timestamp', |
84 | year => 'date', |
85 | |
86 | # |
87 | # Oracle types |
88 | # |
96844cae |
89 | number => 'integer', |
c8c17a58 |
90 | char => 'character', |
da8e499e |
91 | varchar2 => 'character varying', |
96844cae |
92 | long => 'text', |
93 | CLOB => 'bytea', |
94 | date => 'date', |
95 | |
96 | # |
97 | # Sybase types |
98 | # |
99 | int => 'integer', |
100 | money => 'money', |
da8e499e |
101 | varchar => 'character varying', |
96844cae |
102 | datetime => 'timestamp', |
103 | text => 'text', |
4328d7bd |
104 | real => 'numeric', |
96844cae |
105 | comment => 'text', |
106 | bit => 'bit', |
107 | tinyint => 'smallint', |
4328d7bd |
108 | float => 'numeric', |
d529894e |
109 | ); |
110 | |
bfb5a568 |
111 | $max_id_length = 62; |
112 | } |
96844cae |
113 | my %reserved = map { $_, 1 } qw[ |
114 | ALL ANALYSE ANALYZE AND ANY AS ASC |
115 | BETWEEN BINARY BOTH |
116 | CASE CAST CHECK COLLATE COLUMN CONSTRAINT CROSS |
117 | CURRENT_DATE CURRENT_TIME CURRENT_TIMESTAMP CURRENT_USER |
118 | DEFAULT DEFERRABLE DESC DISTINCT DO |
119 | ELSE END EXCEPT |
120 | FALSE FOR FOREIGN FREEZE FROM FULL |
121 | GROUP HAVING |
122 | ILIKE IN INITIALLY INNER INTERSECT INTO IS ISNULL |
123 | JOIN LEADING LEFT LIKE LIMIT |
124 | NATURAL NEW NOT NOTNULL NULL |
125 | OFF OFFSET OLD ON ONLY OR ORDER OUTER OVERLAPS |
126 | PRIMARY PUBLIC REFERENCES RIGHT |
127 | SELECT SESSION_USER SOME TABLE THEN TO TRAILING TRUE |
128 | UNION UNIQUE USER USING VERBOSE WHEN WHERE |
129 | ]; |
d529894e |
130 | |
bfb5a568 |
131 | # my $max_id_length = 62; |
96844cae |
132 | my %used_identifiers = (); |
133 | my %global_names; |
134 | my %unreserve; |
135 | my %truncated; |
136 | |
137 | =pod |
138 | |
139 | =head1 PostgreSQL Create Table Syntax |
140 | |
141 | CREATE [ [ LOCAL ] { TEMPORARY | TEMP } ] TABLE table_name ( |
142 | { column_name data_type [ DEFAULT default_expr ] [ column_constraint [, ... ] ] |
143 | | table_constraint } [, ... ] |
144 | ) |
145 | [ INHERITS ( parent_table [, ... ] ) ] |
146 | [ WITH OIDS | WITHOUT OIDS ] |
147 | |
148 | where column_constraint is: |
149 | |
150 | [ CONSTRAINT constraint_name ] |
151 | { NOT NULL | NULL | UNIQUE | PRIMARY KEY | |
152 | CHECK (expression) | |
153 | REFERENCES reftable [ ( refcolumn ) ] [ MATCH FULL | MATCH PARTIAL ] |
154 | [ ON DELETE action ] [ ON UPDATE action ] } |
155 | [ DEFERRABLE | NOT DEFERRABLE ] [ INITIALLY DEFERRED | INITIALLY IMMEDIATE ] |
156 | |
157 | and table_constraint is: |
158 | |
159 | [ CONSTRAINT constraint_name ] |
160 | { UNIQUE ( column_name [, ... ] ) | |
161 | PRIMARY KEY ( column_name [, ... ] ) | |
162 | CHECK ( expression ) | |
163 | FOREIGN KEY ( column_name [, ... ] ) REFERENCES reftable [ ( refcolumn [, ... ] ) ] |
164 | [ MATCH FULL | MATCH PARTIAL ] [ ON DELETE action ] [ ON UPDATE action ] } |
165 | [ DEFERRABLE | NOT DEFERRABLE ] [ INITIALLY DEFERRED | INITIALLY IMMEDIATE ] |
166 | |
da8e499e |
167 | =head1 Create Index Syntax |
168 | |
169 | CREATE [ UNIQUE ] INDEX index_name ON table |
170 | [ USING acc_method ] ( column [ ops_name ] [, ...] ) |
171 | [ WHERE predicate ] |
172 | CREATE [ UNIQUE ] INDEX index_name ON table |
173 | [ USING acc_method ] ( func_name( column [, ... ]) [ ops_name ] ) |
174 | [ WHERE predicate ] |
175 | |
96844cae |
176 | =cut |
f8f0253c |
177 | |
96844cae |
178 | # ------------------------------------------------------------------- |
f8f0253c |
179 | sub produce { |
e189562c |
180 | my $translator = shift; |
181 | local $DEBUG = $translator->debug; |
182 | local $WARN = $translator->show_warnings; |
183 | my $no_comments = $translator->no_comments; |
184 | my $add_drop_table = $translator->add_drop_table; |
185 | my $schema = $translator->schema; |
186 | my $pargs = $translator->producer_args; |
7b4b17aa |
187 | my $postgres_version = parse_dbms_version( |
188 | $pargs->{postgres_version}, 'perl' |
189 | ); |
96844cae |
190 | |
e189562c |
191 | my $qt = $translator->quote_table_names ? q{"} : q{}; |
192 | my $qf = $translator->quote_field_names ? q{"} : q{}; |
bfb5a568 |
193 | |
bf75adec |
194 | my @output; |
195 | push @output, header_comment unless ($no_comments); |
96844cae |
196 | |
08d91aad |
197 | my (@table_defs, @fks); |
79f55d7e |
198 | my %type_defs; |
0c43e0a1 |
199 | for my $table ( $schema->get_tables ) { |
08d91aad |
200 | |
e189562c |
201 | my ($table_def, $fks) = create_table($table, { |
202 | quote_table_names => $qt, |
203 | quote_field_names => $qf, |
204 | no_comments => $no_comments, |
205 | postgres_version => $postgres_version, |
206 | add_drop_table => $add_drop_table, |
79f55d7e |
207 | type_defs => \%type_defs, |
e189562c |
208 | }); |
209 | |
08d91aad |
210 | push @table_defs, $table_def; |
211 | push @fks, @$fks; |
da8e499e |
212 | } |
213 | |
296c2701 |
214 | for my $view ( $schema->get_views ) { |
215 | push @table_defs, create_view($view, { |
a25ac5d2 |
216 | add_drop_view => $add_drop_table, |
296c2701 |
217 | quote_table_names => $qt, |
218 | quote_field_names => $qf, |
219 | no_comments => $no_comments, |
220 | }); |
221 | } |
222 | |
79f55d7e |
223 | push @output, map { "$_;\n\n" } values %type_defs; |
bf75adec |
224 | push @output, map { "$_;\n\n" } @table_defs; |
08d91aad |
225 | if ( @fks ) { |
bf75adec |
226 | push @output, "--\n-- Foreign Key Definitions\n--\n\n" unless $no_comments; |
227 | push @output, map { "$_;\n\n" } @fks; |
08d91aad |
228 | } |
021dbce8 |
229 | |
da8e499e |
230 | if ( $WARN ) { |
231 | if ( %truncated ) { |
232 | warn "Truncated " . keys( %truncated ) . " names:\n"; |
233 | warn "\t" . join( "\n\t", sort keys %truncated ) . "\n"; |
234 | } |
235 | |
236 | if ( %unreserve ) { |
237 | warn "Encounted " . keys( %unreserve ) . |
238 | " unsafe names in schema (reserved or invalid):\n"; |
239 | warn "\t" . join( "\n\t", sort keys %unreserve ) . "\n"; |
240 | } |
f8f0253c |
241 | } |
242 | |
bf75adec |
243 | return wantarray |
244 | ? @output |
245 | : join ('', @output); |
f8f0253c |
246 | } |
247 | |
96844cae |
248 | # ------------------------------------------------------------------- |
249 | sub mk_name { |
0c43e0a1 |
250 | my $basename = shift || ''; |
251 | my $type = shift || ''; |
252 | my $scope = shift || ''; |
253 | my $critical = shift || ''; |
96844cae |
254 | my $basename_orig = $basename; |
bfb5a568 |
255 | # my $max_id_length = 62; |
2ad4c2c8 |
256 | my $max_name = $type |
257 | ? $max_id_length - (length($type) + 1) |
258 | : $max_id_length; |
96844cae |
259 | $basename = substr( $basename, 0, $max_name ) |
260 | if length( $basename ) > $max_name; |
261 | my $name = $type ? "${type}_$basename" : $basename; |
262 | |
263 | if ( $basename ne $basename_orig and $critical ) { |
264 | my $show_type = $type ? "+'$type'" : ""; |
265 | warn "Truncating '$basename_orig'$show_type to $max_id_length ", |
266 | "character limit to make '$name'\n" if $WARN; |
267 | $truncated{ $basename_orig } = $name; |
268 | } |
269 | |
270 | $scope ||= \%global_names; |
271 | if ( my $prev = $scope->{ $name } ) { |
272 | my $name_orig = $name; |
273 | $name .= sprintf( "%02d", ++$prev ); |
274 | substr($name, $max_id_length - 3) = "00" |
275 | if length( $name ) > $max_id_length; |
276 | |
277 | warn "The name '$name_orig' has been changed to ", |
278 | "'$name' to make it unique.\n" if $WARN; |
279 | |
280 | $scope->{ $name_orig }++; |
f8f0253c |
281 | } |
96844cae |
282 | |
283 | $scope->{ $name }++; |
284 | return $name; |
285 | } |
286 | |
287 | # ------------------------------------------------------------------- |
288 | sub unreserve { |
0c43e0a1 |
289 | my $name = shift || ''; |
290 | my $schema_obj_name = shift || ''; |
291 | |
96844cae |
292 | my ( $suffix ) = ( $name =~ s/(\W.*)$// ) ? $1 : ''; |
293 | |
294 | # also trap fields that don't begin with a letter |
bfb5a568 |
295 | return $name if (!$reserved{ uc $name }) && $name =~ /^[a-z]/i; |
96844cae |
296 | |
297 | if ( $schema_obj_name ) { |
298 | ++$unreserve{"$schema_obj_name.$name"}; |
299 | } |
300 | else { |
301 | ++$unreserve{"$name (table name)"}; |
302 | } |
303 | |
304 | my $unreserve = sprintf '%s_', $name; |
305 | return $unreserve.$suffix; |
f8f0253c |
306 | } |
307 | |
50840472 |
308 | # ------------------------------------------------------------------- |
309 | sub next_unused_name { |
f5191f69 |
310 | my $orig_name = shift or return; |
311 | my $name = $orig_name; |
312 | |
313 | my $suffix_gen = sub { |
314 | my $suffix = 0; |
315 | return ++$suffix ? '' : $suffix; |
316 | }; |
999859d7 |
317 | |
f5191f69 |
318 | for (;;) { |
319 | $name = $orig_name . $suffix_gen->(); |
320 | last if $used_names{ $name }++; |
50840472 |
321 | } |
f5191f69 |
322 | |
50840472 |
323 | return $name; |
324 | } |
325 | |
e83ad71c |
326 | sub is_geometry |
327 | { |
328 | my $field = shift; |
140a1dad |
329 | return 1 if $field->data_type eq 'geometry'; |
330 | } |
331 | |
332 | sub is_geography |
333 | { |
334 | my $field = shift; |
335 | return 1 if $field->data_type eq 'geography'; |
e83ad71c |
336 | } |
337 | |
bfb5a568 |
338 | sub create_table |
339 | { |
340 | my ($table, $options) = @_; |
341 | |
342 | my $qt = $options->{quote_table_names} || ''; |
343 | my $qf = $options->{quote_field_names} || ''; |
344 | my $no_comments = $options->{no_comments} || 0; |
345 | my $add_drop_table = $options->{add_drop_table} || 0; |
5342f5c1 |
346 | my $postgres_version = $options->{postgres_version} || 0; |
79f55d7e |
347 | my $type_defs = $options->{type_defs} || {}; |
bfb5a568 |
348 | |
3406fd5b |
349 | my $table_name = $table->name or next; |
3406fd5b |
350 | my ( $fql_tbl_name ) = ( $table_name =~ s/\W(.*)$// ) ? $1 : q{}; |
351 | my $table_name_ur = $qt ? $table_name |
352 | : $fql_tbl_name ? join('.', $table_name, unreserve($fql_tbl_name)) |
353 | : unreserve($table_name); |
bfb5a568 |
354 | $table->name($table_name_ur); |
355 | |
124b192c |
356 | # print STDERR "$table_name table_name\n"; |
79f55d7e |
357 | my ( @comments, @field_defs, @sequence_defs, @constraint_defs, @fks ); |
bfb5a568 |
358 | |
7ed7402c |
359 | push @comments, "--\n-- Table: $table_name_ur\n--\n" unless $no_comments; |
bfb5a568 |
360 | |
361 | if ( $table->comments and !$no_comments ){ |
362 | my $c = "-- Comments: \n-- "; |
363 | $c .= join "\n-- ", $table->comments; |
7ed7402c |
364 | $c .= "\n--\n"; |
bfb5a568 |
365 | push @comments, $c; |
366 | } |
367 | |
368 | # |
369 | # Fields |
370 | # |
371 | my %field_name_scope; |
372 | for my $field ( $table->get_fields ) { |
373 | push @field_defs, create_field($field, { quote_table_names => $qt, |
374 | quote_field_names => $qf, |
375 | table_name => $table_name_ur, |
5342f5c1 |
376 | postgres_version => $postgres_version, |
79f55d7e |
377 | type_defs => $type_defs, |
bfb5a568 |
378 | constraint_defs => \@constraint_defs,}); |
379 | } |
380 | |
381 | # |
382 | # Index Declarations |
383 | # |
384 | my @index_defs = (); |
385 | # my $idx_name_default; |
386 | for my $index ( $table->get_indices ) { |
387 | my ($idef, $constraints) = create_index($index, |
388 | { |
389 | quote_field_names => $qf, |
390 | quote_table_names => $qt, |
391 | table_name => $table_name, |
392 | }); |
7ed7402c |
393 | $idef and push @index_defs, $idef; |
bfb5a568 |
394 | push @constraint_defs, @$constraints; |
395 | } |
396 | |
397 | # |
398 | # Table constraints |
399 | # |
400 | my $c_name_default; |
401 | for my $c ( $table->get_constraints ) { |
402 | my ($cdefs, $fks) = create_constraint($c, |
403 | { |
404 | quote_field_names => $qf, |
405 | quote_table_names => $qt, |
406 | table_name => $table_name, |
407 | }); |
408 | push @constraint_defs, @$cdefs; |
409 | push @fks, @$fks; |
410 | } |
411 | |
3e98f7d9 |
412 | |
413 | my $temporary = ""; |
414 | |
415 | if(exists $table->{extra}{temporary}) { |
416 | $temporary = $table->{extra}{temporary} ? "TEMPORARY " : ""; |
417 | } |
418 | |
bfb5a568 |
419 | my $create_statement; |
420 | $create_statement = join("\n", @comments); |
5342f5c1 |
421 | if ($add_drop_table) { |
7b4b17aa |
422 | if ($postgres_version >= 8.002) { |
5342f5c1 |
423 | $create_statement .= qq[DROP TABLE IF EXISTS $qt$table_name_ur$qt CASCADE;\n]; |
5342f5c1 |
424 | } else { |
425 | $create_statement .= qq[DROP TABLE $qt$table_name_ur$qt CASCADE;\n]; |
426 | } |
427 | } |
3e98f7d9 |
428 | $create_statement .= qq[CREATE ${temporary}TABLE $qt$table_name_ur$qt (\n]. |
bfb5a568 |
429 | join( ",\n", map { " $_" } @field_defs, @constraint_defs ). |
3406fd5b |
430 | "\n)" |
bfb5a568 |
431 | ; |
3406fd5b |
432 | $create_statement .= @index_defs ? ';' : q{}; |
433 | $create_statement .= ( $create_statement =~ /;$/ ? "\n" : q{} ) |
434 | . join(";\n", @index_defs); |
bfb5a568 |
435 | |
e83ad71c |
436 | # |
437 | # Geometry |
438 | # |
439 | if(grep { is_geometry($_) } $table->get_fields){ |
440 | $create_statement .= ";"; |
140a1dad |
441 | my @geometry_columns; |
442 | foreach my $col ($table->get_fields) { push(@geometry_columns,$col) if is_geometry($col); } |
443 | $create_statement .= "\n".join("\n", map{ drop_geometry_column($_) } @geometry_columns) if $options->{add_drop_table}; |
444 | $create_statement .= "\n".join("\n", map{ add_geometry_column($_) } @geometry_columns); |
e83ad71c |
445 | } |
446 | |
08d91aad |
447 | return $create_statement, \@fks; |
bfb5a568 |
448 | } |
449 | |
296c2701 |
450 | sub create_view { |
451 | my ($view, $options) = @_; |
452 | my $qt = $options->{quote_table_names} || ''; |
453 | my $qf = $options->{quote_field_names} || ''; |
a25ac5d2 |
454 | my $add_drop_view = $options->{add_drop_view}; |
296c2701 |
455 | |
456 | my $view_name = $view->name; |
457 | debug("PKG: Looking at view '${view_name}'\n"); |
458 | |
459 | my $create = ''; |
460 | $create .= "--\n-- View: ${qt}${view_name}${qt}\n--\n" |
461 | unless $options->{no_comments}; |
a25ac5d2 |
462 | $create .= "DROP VIEW ${qt}${view_name}${qt};\n" if $add_drop_view; |
296c2701 |
463 | $create .= 'CREATE'; |
296c2701 |
464 | |
465 | my $extra = $view->extra; |
466 | $create .= " TEMPORARY" if exists($extra->{temporary}) && $extra->{temporary}; |
467 | $create .= " VIEW ${qt}${view_name}${qt}"; |
468 | |
469 | if ( my @fields = $view->fields ) { |
470 | my $field_list = join ', ', map { "${qf}${_}${qf}" } @fields; |
471 | $create .= " ( ${field_list} )"; |
472 | } |
473 | |
474 | if ( my $sql = $view->sql ) { |
f59b2c0e |
475 | $create .= " AS\n ${sql}\n"; |
296c2701 |
476 | } |
477 | |
478 | if ( $extra->{check_option} ) { |
479 | $create .= ' WITH ' . uc $extra->{check_option} . ' CHECK OPTION'; |
480 | } |
481 | |
296c2701 |
482 | return $create; |
483 | } |
484 | |
bfb5a568 |
485 | { |
486 | |
487 | my %field_name_scope; |
488 | |
489 | sub create_field |
490 | { |
491 | my ($field, $options) = @_; |
492 | |
493 | my $qt = $options->{quote_table_names} || ''; |
494 | my $qf = $options->{quote_field_names} || ''; |
495 | my $table_name = $field->table->name; |
496 | my $constraint_defs = $options->{constraint_defs} || []; |
5342f5c1 |
497 | my $postgres_version = $options->{postgres_version} || 0; |
79f55d7e |
498 | my $type_defs = $options->{type_defs} || {}; |
bfb5a568 |
499 | |
500 | $field_name_scope{$table_name} ||= {}; |
912e67a1 |
501 | my $field_name = $field->name; |
08d91aad |
502 | my $field_name_ur = $qf ? $field_name : unreserve($field_name, $table_name ); |
bfb5a568 |
503 | $field->name($field_name_ur); |
504 | my $field_comments = $field->comments |
505 | ? "-- " . $field->comments . "\n " |
506 | : ''; |
507 | |
508 | my $field_def = $field_comments.qq[$qf$field_name_ur$qf]; |
509 | |
510 | # |
511 | # Datatype |
512 | # |
513 | my @size = $field->size; |
514 | my $data_type = lc $field->data_type; |
515 | my %extra = $field->extra; |
516 | my $list = $extra{'list'} || []; |
517 | # todo deal with embedded quotes |
518 | my $commalist = join( ', ', map { qq['$_'] } @$list ); |
bfb5a568 |
519 | |
7b4b17aa |
520 | if ($postgres_version >= 8.003 && $field->data_type eq 'enum') { |
79f55d7e |
521 | my $type_name = $extra{'custom_type_name'} || $field->table->name . '_' . $field->name . '_type'; |
5342f5c1 |
522 | $field_def .= ' '. $type_name; |
d25db732 |
523 | my $new_type_def = "DROP TYPE IF EXISTS $type_name CASCADE;\n" . |
79f55d7e |
524 | "CREATE TYPE $type_name AS ENUM ($commalist)"; |
525 | if (! exists $type_defs->{$type_name} ) { |
526 | $type_defs->{$type_name} = $new_type_def; |
527 | } elsif ( $type_defs->{$type_name} ne $new_type_def ) { |
528 | die "Attempted to redefine type name '$type_name' as a different type.\n"; |
529 | } |
5342f5c1 |
530 | } else { |
531 | $field_def .= ' '. convert_datatype($field); |
532 | } |
bfb5a568 |
533 | |
534 | # |
bc8e2aa1 |
535 | # Default value |
bfb5a568 |
536 | # |
06baeb21 |
537 | SQL::Translator::Producer->_apply_default_value( |
538 | $field, |
539 | \$field_def, |
540 | [ |
541 | 'NULL' => \'NULL', |
542 | 'now()' => 'now()', |
543 | 'CURRENT_TIMESTAMP' => 'CURRENT_TIMESTAMP', |
544 | ], |
545 | ); |
bfb5a568 |
546 | |
547 | # |
548 | # Not null constraint |
549 | # |
550 | $field_def .= ' NOT NULL' unless $field->is_nullable; |
551 | |
e83ad71c |
552 | # |
553 | # Geometry constraints |
554 | # |
555 | if(is_geometry($field)){ |
556 | foreach ( create_geometry_constraints($field) ) { |
557 | my ($cdefs, $fks) = create_constraint($_, |
558 | { |
559 | quote_field_names => $qf, |
560 | quote_table_names => $qt, |
561 | table_name => $table_name, |
562 | }); |
563 | push @$constraint_defs, @$cdefs; |
564 | push @$fks, @$fks; |
565 | } |
566 | } |
567 | |
bfb5a568 |
568 | return $field_def; |
569 | } |
570 | } |
571 | |
e83ad71c |
572 | sub create_geometry_constraints{ |
573 | my $field = shift; |
574 | |
575 | my @constraints; |
576 | push @constraints, SQL::Translator::Schema::Constraint->new( |
577 | name => "enforce_dims_".$field->name, |
578 | expression => "(st_ndims($field) = ".$field->{extra}{dimensions}.")", |
579 | table => $field->table, |
580 | type => CHECK_C, |
581 | ); |
582 | |
583 | push @constraints, SQL::Translator::Schema::Constraint->new( |
584 | name => "enforce_srid_".$field->name, |
585 | expression => "(st_srid($field) = ".$field->{extra}{srid}.")", |
586 | table => $field->table, |
587 | type => CHECK_C, |
588 | ); |
589 | push @constraints, SQL::Translator::Schema::Constraint->new( |
590 | name => "enforce_geotype_".$field->name, |
591 | expression => "(geometrytype($field) = '".$field->{extra}{geometry_type}."'::text OR $field IS NULL)", |
592 | table => $field->table, |
593 | type => CHECK_C, |
594 | ); |
595 | |
596 | return @constraints; |
597 | } |
598 | |
892573f2 |
599 | sub create_index |
600 | { |
601 | my ($index, $options) = @_; |
bfb5a568 |
602 | |
892573f2 |
603 | my $qt = $options->{quote_table_names} ||''; |
604 | my $qf = $options->{quote_field_names} ||''; |
605 | my $table_name = $index->table->name; |
124b192c |
606 | # my $table_name_ur = $qt ? unreserve($table_name) : $table_name; |
bfb5a568 |
607 | |
892573f2 |
608 | my ($index_def, @constraint_defs); |
bfb5a568 |
609 | |
892573f2 |
610 | my $name = next_unused_name( |
611 | $index->name |
612 | || join('_', $table_name, 'idx', ++$index_name{ $table_name }) |
613 | ); |
bfb5a568 |
614 | |
892573f2 |
615 | my $type = $index->type || NORMAL; |
616 | my @fields = |
617 | map { $_ =~ s/\(.+\)//; $_ } |
618 | map { $qt ? $_ : unreserve($_, $table_name ) } |
619 | $index->fields; |
620 | next unless @fields; |
bfb5a568 |
621 | |
892573f2 |
622 | my $def_start = qq[CONSTRAINT "$name" ]; |
623 | if ( $type eq PRIMARY_KEY ) { |
624 | push @constraint_defs, "${def_start}PRIMARY KEY ". |
625 | '(' .$qf . join( $qf. ', '.$qf, @fields ) . $qf . ')'; |
626 | } |
627 | elsif ( $type eq UNIQUE ) { |
628 | push @constraint_defs, "${def_start}UNIQUE " . |
629 | '(' . $qf . join( $qf. ', '.$qf, @fields ) . $qf.')'; |
630 | } |
631 | elsif ( $type eq NORMAL ) { |
632 | $index_def = |
633 | "CREATE INDEX ${qf}${name}${qf} on ${qt}${table_name}${qt} (". |
634 | join( ', ', map { qq[$qf$_$qf] } @fields ). |
635 | ')' |
636 | ; |
637 | } |
638 | else { |
639 | warn "Unknown index type ($type) on table $table_name.\n" |
640 | if $WARN; |
124b192c |
641 | } |
bfb5a568 |
642 | |
892573f2 |
643 | return $index_def, \@constraint_defs; |
644 | } |
bfb5a568 |
645 | |
892573f2 |
646 | sub create_constraint |
647 | { |
648 | my ($c, $options) = @_; |
bfb5a568 |
649 | |
892573f2 |
650 | my $qf = $options->{quote_field_names} ||''; |
651 | my $qt = $options->{quote_table_names} ||''; |
652 | my $table_name = $c->table->name; |
653 | my (@constraint_defs, @fks); |
bfb5a568 |
654 | |
892573f2 |
655 | my $name = $c->name || ''; |
656 | if ( $name ) { |
657 | $name = next_unused_name($name); |
658 | } |
bfb5a568 |
659 | |
892573f2 |
660 | my @fields = |
661 | map { $_ =~ s/\(.+\)//; $_ } |
662 | map { $qt ? $_ : unreserve( $_, $table_name )} |
663 | $c->fields; |
664 | |
665 | my @rfields = |
666 | map { $_ =~ s/\(.+\)//; $_ } |
667 | map { $qt ? $_ : unreserve( $_, $table_name )} |
668 | $c->reference_fields; |
669 | |
670 | next if !@fields && $c->type ne CHECK_C; |
671 | my $def_start = $name ? qq[CONSTRAINT "$name" ] : ''; |
672 | if ( $c->type eq PRIMARY_KEY ) { |
673 | push @constraint_defs, "${def_start}PRIMARY KEY ". |
674 | '('.$qf . join( $qf.', '.$qf, @fields ) . $qf.')'; |
675 | } |
676 | elsif ( $c->type eq UNIQUE ) { |
677 | $name = next_unused_name($name); |
678 | push @constraint_defs, "${def_start}UNIQUE " . |
679 | '('.$qf . join( $qf.', '.$qf, @fields ) . $qf.')'; |
680 | } |
681 | elsif ( $c->type eq CHECK_C ) { |
682 | my $expression = $c->expression; |
683 | push @constraint_defs, "${def_start}CHECK ($expression)"; |
684 | } |
685 | elsif ( $c->type eq FOREIGN_KEY ) { |
686 | my $def .= "ALTER TABLE ${qt}${table_name}${qt} ADD FOREIGN KEY (" . |
687 | join( ', ', map { qq[$qf$_$qf] } @fields ) . ')' . |
688 | "\n REFERENCES " . $qt . $c->reference_table . $qt; |
bfb5a568 |
689 | |
892573f2 |
690 | if ( @rfields ) { |
691 | $def .= ' ('.$qf . join( $qf.', '.$qf, @rfields ) . $qf.')'; |
692 | } |
bfb5a568 |
693 | |
892573f2 |
694 | if ( $c->match_type ) { |
695 | $def .= ' MATCH ' . |
696 | ( $c->match_type =~ /full/i ) ? 'FULL' : 'PARTIAL'; |
697 | } |
5342f5c1 |
698 | |
892573f2 |
699 | if ( $c->on_delete ) { |
700 | $def .= ' ON DELETE '.join( ' ', $c->on_delete ); |
701 | } |
bfb5a568 |
702 | |
892573f2 |
703 | if ( $c->on_update ) { |
704 | $def .= ' ON UPDATE '.join( ' ', $c->on_update ); |
705 | } |
124b192c |
706 | |
892573f2 |
707 | if ( $c->deferrable ) { |
708 | $def .= ' DEFERRABLE'; |
124b192c |
709 | } |
710 | |
892573f2 |
711 | push @fks, "$def"; |
124b192c |
712 | } |
bfb5a568 |
713 | |
892573f2 |
714 | return \@constraint_defs, \@fks; |
715 | } |
716 | |
bfb5a568 |
717 | sub convert_datatype |
718 | { |
719 | my ($field) = @_; |
720 | |
721 | my @size = $field->size; |
722 | my $data_type = lc $field->data_type; |
723 | |
724 | if ( $data_type eq 'enum' ) { |
725 | # my $len = 0; |
726 | # $len = ($len < length($_)) ? length($_) : $len for (@$list); |
727 | # my $chk_name = mk_name( $table_name.'_'.$field_name, 'chk' ); |
728 | # push @$constraint_defs, |
3406fd5b |
729 | # qq[CONSTRAINT "$chk_name" CHECK ($qf$field_name$qf ]. |
bfb5a568 |
730 | # qq[IN ($commalist))]; |
731 | $data_type = 'character varying'; |
732 | } |
733 | elsif ( $data_type eq 'set' ) { |
734 | $data_type = 'character varying'; |
735 | } |
736 | elsif ( $field->is_auto_increment ) { |
737 | if ( defined $size[0] && $size[0] > 11 ) { |
738 | $data_type = 'bigserial'; |
739 | } |
740 | else { |
741 | $data_type = 'serial'; |
742 | } |
743 | undef @size; |
744 | } |
745 | else { |
746 | $data_type = defined $translate{ $data_type } ? |
747 | $translate{ $data_type } : |
748 | $data_type; |
749 | } |
750 | |
ad258776 |
751 | if ( $data_type =~ /^time/i || $data_type =~ /^interval/i ) { |
bfb5a568 |
752 | if ( defined $size[0] && $size[0] > 6 ) { |
753 | $size[0] = 6; |
754 | } |
755 | } |
756 | |
757 | if ( $data_type eq 'integer' ) { |
758 | if ( defined $size[0] && $size[0] > 0) { |
759 | if ( $size[0] > 10 ) { |
760 | $data_type = 'bigint'; |
761 | } |
762 | elsif ( $size[0] < 5 ) { |
763 | $data_type = 'smallint'; |
764 | } |
765 | else { |
766 | $data_type = 'integer'; |
767 | } |
768 | } |
769 | else { |
770 | $data_type = 'integer'; |
771 | } |
772 | } |
52bc2e13 |
773 | |
774 | my $type_with_size = join('|', |
e189562c |
775 | 'bit', 'varbit', 'character', 'bit varying', 'character varying', |
c3bddac9 |
776 | 'time', 'timestamp', 'interval', 'numeric' |
52bc2e13 |
777 | ); |
778 | |
779 | if ( $data_type !~ /$type_with_size/ ) { |
780 | @size = (); |
e56dabb7 |
781 | } |
bfb5a568 |
782 | |
ad258776 |
783 | if (defined $size[0] && $size[0] > 0 && $data_type =~ /^time/i ) { |
784 | $data_type =~ s/^(time.*?)( with.*)?$/$1($size[0])/; |
785 | $data_type .= $2 if(defined $2); |
786 | } elsif ( defined $size[0] && $size[0] > 0 ) { |
e189562c |
787 | $data_type .= '(' . join( ',', @size ) . ')'; |
08d91aad |
788 | } |
bfb5a568 |
789 | |
140a1dad |
790 | # |
791 | # Geography |
792 | # |
793 | if($data_type eq 'geography'){ |
794 | $data_type .= '('.$field->{extra}{geography_type}.','. $field->{extra}{srid} .')' |
795 | } |
796 | |
bfb5a568 |
797 | return $data_type; |
798 | } |
799 | |
800 | |
801 | sub alter_field |
802 | { |
803 | my ($from_field, $to_field) = @_; |
804 | |
805 | die "Can't alter field in another table" |
806 | if($from_field->table->name ne $to_field->table->name); |
807 | |
808 | my @out; |
e83ad71c |
809 | |
810 | # drop geometry column and constraints |
811 | push @out, drop_geometry_column($from_field) if is_geometry($from_field); |
812 | push @out, drop_geometry_constraints($from_field) if is_geometry($from_field); |
813 | |
3406fd5b |
814 | push @out, sprintf('ALTER TABLE %s ALTER COLUMN %s SET NOT NULL', |
bfb5a568 |
815 | $to_field->table->name, |
816 | $to_field->name) if(!$to_field->is_nullable and |
817 | $from_field->is_nullable); |
818 | |
90726ffd |
819 | push @out, sprintf('ALTER TABLE %s ALTER COLUMN %s DROP NOT NULL', |
820 | $to_field->table->name, |
821 | $to_field->name) |
822 | if ( !$from_field->is_nullable and $to_field->is_nullable ); |
823 | |
824 | |
bfb5a568 |
825 | my $from_dt = convert_datatype($from_field); |
826 | my $to_dt = convert_datatype($to_field); |
3406fd5b |
827 | push @out, sprintf('ALTER TABLE %s ALTER COLUMN %s TYPE %s', |
bfb5a568 |
828 | $to_field->table->name, |
829 | $to_field->name, |
830 | $to_dt) if($to_dt ne $from_dt); |
831 | |
3406fd5b |
832 | push @out, sprintf('ALTER TABLE %s RENAME COLUMN %s TO %s', |
bfb5a568 |
833 | $to_field->table->name, |
834 | $from_field->name, |
835 | $to_field->name) if($from_field->name ne $to_field->name); |
836 | |
3406fd5b |
837 | my $old_default = $from_field->default_value; |
838 | my $new_default = $to_field->default_value; |
90726ffd |
839 | my $default_value = $to_field->default_value; |
840 | |
841 | # fixes bug where output like this was created: |
842 | # ALTER TABLE users ALTER COLUMN column SET DEFAULT ThisIsUnescaped; |
843 | if(ref $default_value eq "SCALAR" ) { |
844 | $default_value = $$default_value; |
845 | } elsif( defined $default_value && $to_dt =~ /^(character|text)/xsmi ) { |
846 | $default_value =~ s/'/''/xsmg; |
847 | $default_value = q(') . $default_value . q('); |
848 | } |
849 | |
3406fd5b |
850 | push @out, sprintf('ALTER TABLE %s ALTER COLUMN %s SET DEFAULT %s', |
bfb5a568 |
851 | $to_field->table->name, |
852 | $to_field->name, |
90726ffd |
853 | $default_value) |
3406fd5b |
854 | if ( defined $new_default && |
855 | (!defined $old_default || $old_default ne $new_default) ); |
bfb5a568 |
856 | |
90726ffd |
857 | # fixes bug where removing the DEFAULT statement of a column |
858 | # would result in no change |
859 | |
860 | push @out, sprintf('ALTER TABLE %s ALTER COLUMN %s DROP DEFAULT', |
861 | $to_field->table->name, |
862 | $to_field->name) |
863 | if ( !defined $new_default && defined $old_default ); |
864 | |
e83ad71c |
865 | # add geometry column and contraints |
866 | push @out, add_geometry_column($to_field) if is_geometry($to_field); |
867 | push @out, add_geometry_constraints($to_field) if is_geometry($to_field); |
868 | |
bfb5a568 |
869 | return wantarray ? @out : join("\n", @out); |
bfb5a568 |
870 | } |
871 | |
3406fd5b |
872 | sub rename_field { alter_field(@_) } |
873 | |
bfb5a568 |
874 | sub add_field |
875 | { |
876 | my ($new_field) = @_; |
877 | |
3406fd5b |
878 | my $out = sprintf('ALTER TABLE %s ADD COLUMN %s', |
bfb5a568 |
879 | $new_field->table->name, |
880 | create_field($new_field)); |
e83ad71c |
881 | $out .= "\n".add_geometry_column($new_field) if is_geometry($new_field); |
882 | $out .= "\n".add_geometry_constraints($new_field) if is_geometry($new_field); |
bfb5a568 |
883 | return $out; |
884 | |
885 | } |
886 | |
887 | sub drop_field |
888 | { |
889 | my ($old_field) = @_; |
890 | |
3406fd5b |
891 | my $out = sprintf('ALTER TABLE %s DROP COLUMN %s', |
bfb5a568 |
892 | $old_field->table->name, |
893 | $old_field->name); |
e83ad71c |
894 | $out .= "\n".drop_geometry_column($old_field) if is_geometry($old_field); |
bfb5a568 |
895 | return $out; |
896 | } |
897 | |
e83ad71c |
898 | sub add_geometry_column{ |
899 | my ($field,$options) = @_; |
900 | |
901 | my $out = sprintf("INSERT INTO geometry_columns VALUES ('%s','%s','%s','%s','%s','%s','%s')", |
902 | '', |
903 | $field->table->schema->name, |
904 | $options->{table} ? $options->{table} : $field->table->name, |
905 | $field->name, |
906 | $field->{extra}{dimensions}, |
907 | $field->{extra}{srid}, |
908 | $field->{extra}{geometry_type}); |
909 | return $out; |
910 | } |
911 | |
912 | sub drop_geometry_column |
913 | { |
914 | my $field = shift; |
915 | |
916 | my $out = sprintf("DELETE FROM geometry_columns WHERE f_table_schema = '%s' AND f_table_name = '%s' AND f_geometry_column = '%s'", |
917 | $field->table->schema->name, |
918 | $field->table->name, |
919 | $field->name); |
920 | return $out; |
921 | } |
922 | |
923 | sub add_geometry_constraints{ |
924 | my $field = shift; |
925 | |
926 | my @constraints = create_geometry_constraints($field); |
927 | |
928 | my $out = join("\n", map { alter_create_constraint($_); } @constraints); |
929 | |
930 | return $out; |
931 | } |
932 | |
933 | sub drop_geometry_constraints{ |
934 | my $field = shift; |
935 | |
936 | my @constraints = create_geometry_constraints($field); |
937 | |
938 | my $out = join("\n", map { alter_drop_constraint($_); } @constraints); |
939 | |
940 | return $out; |
941 | } |
942 | |
3406fd5b |
943 | sub alter_table { |
944 | my ($to_table, $options) = @_; |
945 | my $qt = $options->{quote_table_names} || ''; |
946 | my $out = sprintf('ALTER TABLE %s %s', |
947 | $qt . $to_table->name . $qt, |
948 | $options->{alter_table_action}); |
e83ad71c |
949 | $out .= "\n".$options->{geometry_changes} if $options->{geometry_changes}; |
3406fd5b |
950 | return $out; |
951 | } |
952 | |
953 | sub rename_table { |
954 | my ($old_table, $new_table, $options) = @_; |
955 | my $qt = $options->{quote_table_names} || ''; |
956 | $options->{alter_table_action} = "RENAME TO $qt$new_table$qt"; |
e83ad71c |
957 | |
958 | my @geometry_changes; |
959 | push @geometry_changes, map { drop_geometry_column($_); } grep { is_geometry($_) } $old_table->get_fields; |
960 | push @geometry_changes, map { add_geometry_column($_, { table => $new_table }); } grep { is_geometry($_) } $old_table->get_fields; |
961 | |
962 | $options->{geometry_changes} = join ("\n",@geometry_changes) if scalar(@geometry_changes); |
963 | |
3406fd5b |
964 | return alter_table($old_table, $options); |
965 | } |
966 | |
967 | sub alter_create_index { |
968 | my ($index, $options) = @_; |
969 | my $qt = $options->{quote_table_names} || ''; |
970 | my $qf = $options->{quote_field_names} || ''; |
971 | my ($idef, $constraints) = create_index($index, { |
972 | quote_field_names => $qf, |
973 | quote_table_names => $qt, |
974 | table_name => $index->table->name, |
975 | }); |
976 | return $index->type eq NORMAL ? $idef |
977 | : sprintf('ALTER TABLE %s ADD %s', |
978 | $qt . $index->table->name . $qt, |
979 | join(q{}, @$constraints) |
980 | ); |
981 | } |
982 | |
983 | sub alter_drop_index { |
984 | my ($index, $options) = @_; |
985 | my $index_name = $index->name; |
986 | return "DROP INDEX $index_name"; |
987 | } |
988 | |
989 | sub alter_drop_constraint { |
990 | my ($c, $options) = @_; |
991 | my $qt = $options->{quote_table_names} || ''; |
992 | my $qc = $options->{quote_field_names} || ''; |
993 | my $out = sprintf('ALTER TABLE %s DROP CONSTRAINT %s', |
994 | $qt . $c->table->name . $qt, |
995 | $qc . $c->name . $qc ); |
996 | return $out; |
997 | } |
998 | |
999 | sub alter_create_constraint { |
1000 | my ($index, $options) = @_; |
1001 | my $qt = $options->{quote_table_names} || ''; |
90726ffd |
1002 | my ($defs, $fks) = create_constraint(@_); |
1003 | |
1004 | # return if there are no constraint definitions so we don't run |
1005 | # into output like this: |
1006 | # ALTER TABLE users ADD ; |
1007 | |
1008 | return unless(@{$defs} || @{$fks}); |
1009 | return $index->type eq FOREIGN_KEY ? join(q{}, @{$fks}) |
3406fd5b |
1010 | : join( ' ', 'ALTER TABLE', $qt.$index->table->name.$qt, |
90726ffd |
1011 | 'ADD', join(q{}, @{$defs}, @{$fks}) |
3406fd5b |
1012 | ); |
1013 | } |
1014 | |
1015 | sub drop_table { |
1016 | my ($table, $options) = @_; |
1017 | my $qt = $options->{quote_table_names} || ''; |
e83ad71c |
1018 | my $out = "DROP TABLE $qt$table$qt CASCADE"; |
1019 | |
1020 | my @geometry_drops = map { drop_geometry_column($_); } grep { is_geometry($_) } $table->get_fields; |
1021 | |
1022 | $out .= "\n".join("\n",@geometry_drops) if scalar(@geometry_drops); |
1023 | return $out; |
3406fd5b |
1024 | } |
1025 | |
f8f0253c |
1026 | 1; |
f8f0253c |
1027 | |
96844cae |
1028 | # ------------------------------------------------------------------- |
1029 | # Life is full of misery, loneliness, and suffering -- |
1030 | # and it's all over much too soon. |
1031 | # Woody Allen |
1032 | # ------------------------------------------------------------------- |
f8f0253c |
1033 | |
96844cae |
1034 | =pod |
f8f0253c |
1035 | |
20770e44 |
1036 | =head1 SEE ALSO |
1037 | |
1038 | SQL::Translator, SQL::Translator::Producer::Oracle. |
1039 | |
f8f0253c |
1040 | =head1 AUTHOR |
1041 | |
f997b9ab |
1042 | Ken Youens-Clark E<lt>kclark@cpan.orgE<gt>. |
f8f0253c |
1043 | |
1044 | =cut |