Clean up option parsing and identifier quoting in Producer::PostgreSQL
[dbsrgits/SQL-Translator.git] / t / 47postgres-producer.t
1 #!/usr/bin/perl
2
3 use strict;
4 use warnings;
5
6 use Test::More;
7 use Test::Exception;
8 use Test::SQL::Translator qw(maybe_plan);
9 use SQL::Translator::Schema::Constants;
10 use Data::Dumper;
11 use FindBin qw/$Bin/;
12
13 # Testing 1,2,3,4...
14 #=============================================================================
15
16 BEGIN {
17     maybe_plan(57,
18         'SQL::Translator::Producer::PostgreSQL',
19         'Test::Differences',
20     )
21 }
22 use Test::Differences;
23 use SQL::Translator;
24
25 my $PRODUCER = \&SQL::Translator::Producer::PostgreSQL::create_field;
26
27 {
28   my $table = SQL::Translator::Schema::Table->new( name => 'foo.bar' );
29   my $field = SQL::Translator::Schema::Field->new( name => 'baz',
30                                                  table => $table,
31                                                  data_type => 'VARCHAR',
32                                                  size => 10,
33                                                  default_value => 'quux',
34                                                  is_auto_increment => 0,
35                                                  is_nullable => 0,
36                                                  is_foreign_key => 0,
37                                                  is_unique => 0 );
38   $table->add_field($field);
39   my ($create, $fks) = SQL::Translator::Producer::PostgreSQL::create_table($table, { quote_table_names => q{"} });
40   is($table->name, 'foo.bar');
41
42   my $expected = "--\n-- Table: foo.bar\n--\nCREATE TABLE \"foo\".\"bar\" (\n  \"baz\" character varying(10) DEFAULT 'quux' NOT NULL\n)";
43   is($create, $expected);
44 }
45
46 my $table = SQL::Translator::Schema::Table->new( name => 'mytable');
47
48 my $field1 = SQL::Translator::Schema::Field->new( name => 'myfield',
49                                                   table => $table,
50                                                   data_type => 'VARCHAR',
51                                                   size => 10,
52                                                   default_value => undef,
53                                                   is_auto_increment => 0,
54                                                   is_nullable => 1,
55                                                   is_foreign_key => 0,
56                                                   is_unique => 0 );
57
58 my $field1_sql = SQL::Translator::Producer::PostgreSQL::create_field($field1);
59
60 is($field1_sql, 'myfield character varying(10)', 'Create field works');
61
62 my $field_array = SQL::Translator::Schema::Field->new( name => 'myfield',
63                                                   table => $table,
64                                                   data_type => 'character varying[]',
65                                                   size => 10,
66                                                   default_value => undef,
67                                                   is_auto_increment => 0,
68                                                   is_nullable => 1,
69                                                   is_foreign_key => 0,
70                                                   is_unique => 0 );
71
72 my $field_array_sql = SQL::Translator::Producer::PostgreSQL::create_field($field_array);
73
74 is($field_array_sql, 'myfield character varying(10)[]', 'Create field works');
75
76 my $field2 = SQL::Translator::Schema::Field->new( name      => 'myfield',
77                                                   table => $table,
78                                                   data_type => 'VARCHAR',
79                                                   size      => 25,
80                                                   default_value => undef,
81                                                   is_auto_increment => 0,
82                                                   is_nullable => 0,
83                                                   is_foreign_key => 0,
84                                                   is_unique => 0 );
85
86 my $pk_constraint = SQL::Translator::Schema::Constraint->new(
87     table => $table,
88     name   => 'foo',
89     fields => [qw(myfield)],
90     type   => 'PRIMARY_KEY',
91 );
92
93 my  ($pk_constraint_def_ref, $pk_constraint_fk_ref ) = SQL::Translator::Producer::PostgreSQL::create_constraint($pk_constraint);
94 ok(@{$pk_constraint_def_ref} == 1 && @{$pk_constraint_fk_ref} == 0,  'precheck of create_Primary Key constraint');
95 is($pk_constraint_def_ref->[0], 'CONSTRAINT foo PRIMARY KEY (myfield)', 'Create Primary Key Constraint works');
96
97 my $alter_pk_constraint = SQL::Translator::Producer::PostgreSQL::alter_drop_constraint($pk_constraint);
98 is($alter_pk_constraint, 'ALTER TABLE mytable DROP CONSTRAINT foo', 'Alter drop Primary Key constraint works');
99
100 my $table2 = SQL::Translator::Schema::Table->new( name => 'mytable2');
101
102 my $field1_2 = SQL::Translator::Schema::Field->new( name => 'myfield_2',
103                                                   table => $table,
104                                                   data_type => 'VARCHAR',
105                                                   size => 10,
106                                                   default_value => undef,
107                                                   is_auto_increment => 0,
108                                                   is_nullable => 1,
109                                                   is_foreign_key => 0,
110                                                   is_unique => 0 );
111
112 # check named, and unnamed foreign keys
113 for my $name ( 'foo', undef ) {
114     my $fk_constraint = SQL::Translator::Schema::Constraint->new(
115         table => $table,
116         name   => $name,
117         fields => [qw(myfield)],
118         type   => 'FOREIGN_KEY',
119         reference_table => $table2,
120         reference_fields => [qw(myfield_2)],
121     );
122     my $fk_constraint_2 = SQL::Translator::Schema::Constraint->new(
123         table => $table,
124         name   => $name,
125         fields => [qw(myfield)],
126         type   => 'FOREIGN_KEY',
127         reference_table => $table2,
128         reference_fields => [qw(myfield_2)],
129     );
130
131     my  ($fk_constraint_def_ref, $fk_constraint_fk_ref ) = SQL::Translator::Producer::PostgreSQL::create_constraint($fk_constraint);
132
133     ok(@{$fk_constraint_def_ref} == 0 && @{$fk_constraint_fk_ref} == 1,  'precheck of create_Foreign Key constraint');
134
135     if ( $name ) {
136         is($fk_constraint_fk_ref->[0], "ALTER TABLE mytable ADD CONSTRAINT $name FOREIGN KEY (myfield)
137   REFERENCES mytable2 (myfield_2) DEFERRABLE", 'Create Foreign Key Constraint works');
138
139         # ToDo: may we should check if the constraint name was valid, or if next
140         #       unused_name created has choosen a different one
141         my $alter_fk_constraint = SQL::Translator::Producer::PostgreSQL::alter_drop_constraint($fk_constraint);
142         is($alter_fk_constraint, "ALTER TABLE mytable DROP CONSTRAINT $name", 'Alter drop Foreign Key constraint works');
143     }
144     else {
145         is($fk_constraint_fk_ref->[0], 'ALTER TABLE mytable ADD FOREIGN KEY (myfield)
146   REFERENCES mytable2 (myfield_2) DEFERRABLE', 'Create un-named Foreign Key Constraint works');
147
148         my $alter_fk_constraint = SQL::Translator::Producer::PostgreSQL::alter_drop_constraint($fk_constraint);
149         is($alter_fk_constraint, 'ALTER TABLE mytable DROP CONSTRAINT mytable_myfield_fkey', 'Alter drop un-named Foreign Key constraint works');
150     }
151 }
152
153 # check named, and unnamed primary keys
154 for my $name ( 'foo', undef ) {
155     my $pk_constraint = SQL::Translator::Schema::Constraint->new(
156         table => $table,
157         name   => $name,
158         fields => [qw(myfield)],
159         type   => 'PRIMARY_KEY',
160     );
161     my $pk_constraint_2 = SQL::Translator::Schema::Constraint->new(
162         table => $table,
163         name   => $name,
164         fields => [qw(myfield)],
165         type   => 'PRIMARY_KEY',
166     );
167
168     my  ($pk_constraint_def_ref, $pk_constraint_pk_ref ) = SQL::Translator::Producer::PostgreSQL::create_constraint($pk_constraint);
169
170     if ( $name ) {
171         is($pk_constraint_def_ref->[0], "CONSTRAINT $name PRIMARY KEY (myfield)", 'Create Primary Key Constraint works');
172
173         # ToDo: may we should check if the constraint name was valid, or if next
174         #       unused_name created has choosen a different one
175         my $alter_pk_constraint = SQL::Translator::Producer::PostgreSQL::alter_drop_constraint($pk_constraint);
176         is($alter_pk_constraint, "ALTER TABLE mytable DROP CONSTRAINT $name", 'Alter drop Primary Key constraint works');
177     }
178     else {
179         is($pk_constraint_def_ref->[0], 'PRIMARY KEY (myfield)', 'Create un-named Primary Key Constraint works');
180
181         my $alter_pk_constraint = SQL::Translator::Producer::PostgreSQL::alter_drop_constraint($pk_constraint);
182         is($alter_pk_constraint, 'ALTER TABLE mytable DROP CONSTRAINT mytable_pkey', 'Alter drop un-named Foreign Key constraint works');
183     }
184 }
185
186 my $alter_field = SQL::Translator::Producer::PostgreSQL::alter_field($field1,
187                                                                 $field2);
188 is($alter_field, qq[ALTER TABLE mytable ALTER COLUMN myfield SET NOT NULL;
189 ALTER TABLE mytable ALTER COLUMN myfield TYPE character varying(25)],
190  'Alter field works');
191
192 my $field1_complex = SQL::Translator::Schema::Field->new(
193     name => 'my_complex_field',
194     table => $table,
195     data_type => 'VARCHAR',
196     size => 10,
197     default_value => undef,
198                                                   is_auto_increment => 0,
199     is_nullable => 1,
200     is_foreign_key => 0,
201     is_unique => 0
202 );
203
204 my $field2_complex = SQL::Translator::Schema::Field->new(
205     name      => 'my_altered_field',
206     table => $table,
207     data_type => 'VARCHAR',
208     size      => 60,
209     default_value => 'whatever',
210     is_auto_increment => 0,
211     is_nullable => 1,
212     is_foreign_key => 0,
213     is_unique => 0
214 );
215
216 my $alter_field_complex = SQL::Translator::Producer::PostgreSQL::alter_field($field1_complex, $field2_complex);
217 is(
218     $alter_field_complex,
219     q{ALTER TABLE mytable RENAME COLUMN my_complex_field TO my_altered_field;
220 ALTER TABLE mytable ALTER COLUMN my_altered_field TYPE character varying(60);
221 ALTER TABLE mytable ALTER COLUMN my_altered_field SET DEFAULT 'whatever'},
222     'Complex Alter field works'
223 );
224
225 $field1->name('field3');
226 my $add_field = SQL::Translator::Producer::PostgreSQL::add_field($field1);
227
228 is($add_field, 'ALTER TABLE mytable ADD COLUMN field3 character varying(10)', 'Add field works');
229
230 my $drop_field = SQL::Translator::Producer::PostgreSQL::drop_field($field2);
231 is($drop_field, 'ALTER TABLE mytable DROP COLUMN myfield', 'Drop field works');
232
233 my $field3 = SQL::Translator::Schema::Field->new( name      => 'time_field',
234                                                   table => $table,
235                                                   data_type => 'TIME',
236                                                   default_value => undef,
237                                                   is_auto_increment => 0,
238                                                   is_nullable => 0,
239                                                   is_foreign_key => 0,
240                                                   is_unique => 0 );
241
242 my $field3_sql = SQL::Translator::Producer::PostgreSQL::create_field($field3);
243
244 is($field3_sql, 'time_field time NOT NULL', 'Create time field works');
245
246 my $field3_datetime_with_TZ = SQL::Translator::Schema::Field->new(
247     name      => 'datetime_with_TZ',
248     table     => $table,
249     data_type => 'timestamp with time zone',
250     size      => 7,
251 );
252
253 my $field3_datetime_with_TZ_sql =
254     SQL::Translator::Producer::PostgreSQL::create_field(
255         $field3_datetime_with_TZ
256     );
257
258 is(
259     $field3_datetime_with_TZ_sql,
260     'datetime_with_TZ timestamp(6) with time zone',
261     'Create time field with time zone and size, works'
262 );
263
264 my $field3_time_without_TZ = SQL::Translator::Schema::Field->new(
265     name      => 'time_without_TZ',
266     table     => $table,
267     data_type => 'time without time zone',
268     size      => 2,
269 );
270
271 my $field3_time_without_TZ_sql
272     = SQL::Translator::Producer::PostgreSQL::create_field(
273         $field3_time_without_TZ
274     );
275
276 is(
277     $field3_time_without_TZ_sql,
278     'time_without_TZ time(2) without time zone',
279     'Create time field without time zone but with size, works'
280 );
281
282 my $field_num = SQL::Translator::Schema::Field->new( name => 'num',
283                                                   table => $table,
284                                                   data_type => 'numeric',
285                                                   size => [10,2],
286                                                   );
287 my $fieldnum_sql = SQL::Translator::Producer::PostgreSQL::create_field($field_num);
288
289 is($fieldnum_sql, 'num numeric(10,2)', 'Create numeric field works');
290
291
292 my $field4 = SQL::Translator::Schema::Field->new( name      => 'bytea_field',
293                                                   table => $table,
294                                                   data_type => 'bytea',
295                                                   size => '16777215',
296                                                   default_value => undef,
297                                                   is_auto_increment => 0,
298                                                   is_nullable => 0,
299                                                   is_foreign_key => 0,
300                                                   is_unique => 0 );
301
302 my $field4_sql = SQL::Translator::Producer::PostgreSQL::create_field($field4);
303
304 is($field4_sql, 'bytea_field bytea NOT NULL', 'Create bytea field works');
305
306 my $field5 = SQL::Translator::Schema::Field->new( name => 'enum_field',
307                                                    table => $table,
308                                                    data_type => 'enum',
309                                                    extra => { list => [ 'Foo', 'Bar' ] },
310                                                    is_auto_increment => 0,
311                                                    is_nullable => 0,
312                                                    is_foreign_key => 0,
313                                                    is_unique => 0 );
314
315 my $field5_sql = SQL::Translator::Producer::PostgreSQL::create_field($field5,{ postgres_version => 8.3 });
316
317 is($field5_sql, 'enum_field mytable_enum_field_type NOT NULL', 'Create real enum field works');
318
319
320
321
322 my $field6 = SQL::Translator::Schema::Field->new(
323                                                   name      => 'character',
324                                                   table => $table,
325                                                   data_type => 'character',
326                                                   size => '123',
327                                                   default_value => 'foobar',
328                                                     is_auto_increment => 0,
329                                                     is_nullable => 0,
330                                                     is_foreign_key => 0,
331                                                     is_unique => 0);
332
333 my $field7 = SQL::Translator::Schema::Field->new(
334                                 name      => 'character',
335                                 table => $table,
336                                 data_type => 'character',
337                                 size => '123',
338                                 default_value => undef,
339                                   is_auto_increment => 0,
340                                   is_nullable => 0,
341                                   is_foreign_key => 0,
342                                   is_unique => 0);
343
344 $alter_field = SQL::Translator::Producer::PostgreSQL::alter_field($field6,
345                                                                 $field7);
346
347 is($alter_field, q(ALTER TABLE mytable ALTER COLUMN character DROP DEFAULT), 'DROP DEFAULT');
348
349 $field7->default_value(q(foo'bar'));
350
351 $alter_field = SQL::Translator::Producer::PostgreSQL::alter_field($field6,
352                                                                 $field7);
353
354 is($alter_field, q(ALTER TABLE mytable ALTER COLUMN character SET DEFAULT 'foo''bar'''), 'DEFAULT with escaping');
355
356 $field7->default_value(\q(foobar));
357
358 $alter_field = SQL::Translator::Producer::PostgreSQL::alter_field($field6,
359                                                                 $field7);
360
361 is($alter_field, q(ALTER TABLE mytable ALTER COLUMN character SET DEFAULT foobar), 'DEFAULT unescaped if scalarref');
362
363 $field7->is_nullable(1);
364 $field7->default_value(q(foobar));
365
366 $alter_field = SQL::Translator::Producer::PostgreSQL::alter_field($field6,
367                                                                 $field7);
368
369 is($alter_field, q(ALTER TABLE mytable ALTER COLUMN character DROP NOT NULL), 'DROP NOT NULL');
370
371 my $field8 = SQL::Translator::Schema::Field->new( name => 'ts_field',
372                                                    table => $table,
373                                                    data_type => 'timestamp with time zone',
374                                                    size => 6,
375                                                    is_auto_increment => 0,
376                                                    is_nullable => 0,
377                                                    is_foreign_key => 0,
378                                                    is_unique => 0 );
379
380 my $field8_sql = SQL::Translator::Producer::PostgreSQL::create_field($field8,{ postgres_version => 8.3 });
381
382 is($field8_sql, 'ts_field timestamp(6) with time zone NOT NULL', 'timestamp with precision');
383
384 my $field9 = SQL::Translator::Schema::Field->new( name => 'time_field',
385                                                    table => $table,
386                                                    data_type => 'time with time zone',
387                                                    size => 6,
388                                                    is_auto_increment => 0,
389                                                    is_nullable => 0,
390                                                    is_foreign_key => 0,
391                                                    is_unique => 0 );
392
393 my $field9_sql = SQL::Translator::Producer::PostgreSQL::create_field($field9,{ postgres_version => 8.3 });
394
395 is($field9_sql, 'time_field time(6) with time zone NOT NULL', 'time with precision');
396
397 my $field10 = SQL::Translator::Schema::Field->new( name => 'interval_field',
398                                                    table => $table,
399                                                    data_type => 'interval',
400                                                    size => 6,
401                                                    is_auto_increment => 0,
402                                                    is_nullable => 0,
403                                                    is_foreign_key => 0,
404                                                    is_unique => 0 );
405
406 my $field10_sql = SQL::Translator::Producer::PostgreSQL::create_field($field10,{ postgres_version => 8.3 });
407
408 is($field10_sql, 'interval_field interval(6) NOT NULL', 'time with precision');
409
410
411 my $field11 = SQL::Translator::Schema::Field->new( name => 'time_field',
412                                                    table => $table,
413                                                    data_type => 'time without time zone',
414                                                    size => 6,
415                                                    is_auto_increment => 0,
416                                                    is_nullable => 0,
417                                                    is_foreign_key => 0,
418                                                    is_unique => 0 );
419
420 my $field11_sql = SQL::Translator::Producer::PostgreSQL::create_field($field11,{ postgres_version => 8.3 });
421
422 is($field11_sql, 'time_field time(6) without time zone NOT NULL', 'time with precision');
423
424
425
426 my $field12 = SQL::Translator::Schema::Field->new( name => 'time_field',
427                                                    table => $table,
428                                                    data_type => 'timestamp',
429                                                    is_auto_increment => 0,
430                                                    is_nullable => 0,
431                                                    is_foreign_key => 0,
432                                                    is_unique => 0 );
433
434 my $field12_sql = SQL::Translator::Producer::PostgreSQL::create_field($field12,{ postgres_version => 8.3 });
435
436 is($field12_sql, 'time_field timestamp NOT NULL', 'time with precision');
437
438 my $field13 = SQL::Translator::Schema::Field->new( name => 'enum_field_with_type_name',
439                                                    table => $table,
440                                                    data_type => 'enum',
441                                                    extra => { list => [ 'Foo', 'Bar' ],
442                                                               custom_type_name => 'real_enum_type' },
443                                                    is_auto_increment => 0,
444                                                    is_nullable => 0,
445                                                    is_foreign_key => 0,
446                                                    is_unique => 0 );
447
448 my $field13_sql = SQL::Translator::Producer::PostgreSQL::create_field($field13,{ postgres_version => 8.3 });
449
450 is($field13_sql, 'enum_field_with_type_name real_enum_type NOT NULL', 'Create real enum field works');
451
452
453 {
454     # let's test default values! -- rjbs, 2008-09-30
455     my %field = (
456         table => $table,
457         data_type => 'VARCHAR',
458         size => 10,
459         is_auto_increment => 0,
460         is_nullable => 1,
461         is_foreign_key => 0,
462         is_unique => 0,
463     );
464
465     {
466         my $simple_default = SQL::Translator::Schema::Field->new(
467             %field,
468             name => 'str_default',
469             default_value => 'foo',
470         );
471
472         is(
473             $PRODUCER->($simple_default),
474             q{str_default character varying(10) DEFAULT 'foo'},
475             'default str',
476         );
477     }
478
479     {
480         my $null_default = SQL::Translator::Schema::Field->new(
481             %field,
482             name => 'null_default',
483             default_value => \'NULL',
484         );
485
486         is(
487             $PRODUCER->($null_default),
488             q{null_default character varying(10) DEFAULT NULL},
489             'default null',
490         );
491     }
492
493     {
494         my $null_default = SQL::Translator::Schema::Field->new(
495             %field,
496             name => 'null_default_2',
497             default_value => 'NULL', # XXX: this should go away
498         );
499
500         is(
501             $PRODUCER->($null_default),
502             q{null_default_2 character varying(10) DEFAULT NULL},
503             'default null from special cased string',
504         );
505     }
506
507     {
508         my $func_default = SQL::Translator::Schema::Field->new(
509             %field,
510             name => 'func_default',
511             default_value => \'func(funky)',
512         );
513
514         is(
515             $PRODUCER->($func_default),
516             q{func_default character varying(10) DEFAULT func(funky)},
517             'unquoted default from scalar ref',
518         );
519     }
520 }
521
522
523 my $view1 = SQL::Translator::Schema::View->new(
524     name   => 'view_foo',
525     fields => [qw/id name/],
526     sql    => 'SELECT id, name FROM thing',
527 );
528 my $create_opts = { add_replace_view => 1, no_comments => 1 };
529 my $view1_sql1 = SQL::Translator::Producer::PostgreSQL::create_view($view1, $create_opts);
530
531 my $view_sql_replace = "CREATE VIEW view_foo ( id, name ) AS
532     SELECT id, name FROM thing
533 ";
534 is($view1_sql1, $view_sql_replace, 'correct "CREATE OR REPLACE VIEW" SQL');
535
536 my $view2 = SQL::Translator::Schema::View->new(
537     name   => 'view_foo2',
538     sql    => 'SELECT id, name FROM thing',
539     extra  => {
540       'temporary'    => '1',
541       'check_option' => 'cascaded',
542     },
543 );
544 my $create2_opts = { add_replace_view => 1, no_comments => 1 };
545 my $view2_sql1 = SQL::Translator::Producer::PostgreSQL::create_view($view2, $create2_opts);
546
547 my $view2_sql_replace = "CREATE TEMPORARY VIEW view_foo2 AS
548     SELECT id, name FROM thing
549  WITH CASCADED CHECK OPTION";
550 is($view2_sql1, $view2_sql_replace, 'correct "CREATE OR REPLACE VIEW" SQL 2');
551
552 {
553     my $table = SQL::Translator::Schema::Table->new( name => 'foobar', fields => [qw( foo  bar )] );
554     my $quote = { quote_table_names => '"' };
555
556     {
557         my $index = $table->add_index(name => 'myindex', fields => ['foo']);
558         my ($def) = SQL::Translator::Producer::PostgreSQL::create_index($index);
559         is($def, "CREATE INDEX myindex on foobar (foo)", 'index created');
560         ($def) = SQL::Translator::Producer::PostgreSQL::create_index($index, $quote);
561         is($def, 'CREATE INDEX "myindex" on "foobar" ("foo")', 'index created w/ quotes');
562     }
563
564     {
565         my $index = $table->add_index(name => 'myindex', fields => ['lower(foo)']);
566         my ($def) = SQL::Translator::Producer::PostgreSQL::create_index($index);
567         is($def, "CREATE INDEX myindex on foobar (lower(foo))", 'index created');
568         ($def) = SQL::Translator::Producer::PostgreSQL::create_index($index, $quote);
569         is($def, 'CREATE INDEX "myindex" on "foobar" (lower(foo))', 'index created w/ quotes');
570     }
571
572     {
573         my $index = $table->add_index(name => 'myindex', fields => ['bar', 'lower(foo)']);
574         my ($def) = SQL::Translator::Producer::PostgreSQL::create_index($index);
575         is($def, "CREATE INDEX myindex on foobar (bar, lower(foo))", 'index created');
576         ($def) = SQL::Translator::Producer::PostgreSQL::create_index($index, $quote);
577         is($def, 'CREATE INDEX "myindex" on "foobar" ("bar", lower(foo))', 'index created w/ quotes');
578     }
579
580     {
581         my $constr = $table->add_constraint(name => 'constr', type => UNIQUE, fields => ['foo']);
582         my ($def) = SQL::Translator::Producer::PostgreSQL::create_constraint($constr);
583         is($def->[0], 'CONSTRAINT constr UNIQUE (foo)', 'constraint created');
584         ($def) = SQL::Translator::Producer::PostgreSQL::create_constraint($constr, $quote);
585         is($def->[0], 'CONSTRAINT "constr" UNIQUE ("foo")', 'constraint created w/ quotes');
586     }
587
588     {
589         my $constr = $table->add_constraint(name => 'constr', type => UNIQUE, fields => ['lower(foo)']);
590         my ($def) = SQL::Translator::Producer::PostgreSQL::create_constraint($constr);
591         is($def->[0], 'CONSTRAINT constr UNIQUE (lower(foo))', 'constraint created');
592         ($def) = SQL::Translator::Producer::PostgreSQL::create_constraint($constr, $quote);
593         is($def->[0], 'CONSTRAINT "constr" UNIQUE (lower(foo))', 'constraint created w/ quotes');
594     }
595
596     {
597         my $constr = $table->add_constraint(name => 'constr', type => UNIQUE, fields => ['bar', 'lower(foo)']);
598         my ($def) = SQL::Translator::Producer::PostgreSQL::create_constraint($constr);
599         is($def->[0], 'CONSTRAINT constr UNIQUE (bar, lower(foo))', 'constraint created');
600         ($def) = SQL::Translator::Producer::PostgreSQL::create_constraint($constr, $quote);
601         is($def->[0], 'CONSTRAINT "constr" UNIQUE ("bar", lower(foo))', 'constraint created w/ quotes');
602     }
603 }
604
605 my $drop_view_opts1 = { add_drop_view => 1, no_comments => 1, postgres_version => 8.001 };
606 my $drop_view_8_1_produced = SQL::Translator::Producer::PostgreSQL::create_view($view1, $drop_view_opts1);
607
608 my $drop_view_8_1_expected = "DROP VIEW view_foo;
609 CREATE VIEW view_foo ( id, name ) AS
610     SELECT id, name FROM thing
611 ";
612
613 is($drop_view_8_1_produced, $drop_view_8_1_expected, "My DROP VIEW statement for 8.1 is correct");
614
615 my $drop_view_opts2 = { add_drop_view => 1, no_comments => 1, postgres_version => 9.001 };
616 my $drop_view_9_1_produced = SQL::Translator::Producer::PostgreSQL::create_view($view1, $drop_view_opts2);
617
618 my $drop_view_9_1_expected = "DROP VIEW IF EXISTS view_foo;
619 CREATE VIEW view_foo ( id, name ) AS
620     SELECT id, name FROM thing
621 ";
622
623 is($drop_view_9_1_produced, $drop_view_9_1_expected, "My DROP VIEW statement for 9.1 is correct");