Commit | Line | Data |
16dc9970 |
1 | package SQL::Translator::Producer::Oracle; |
2 | |
ba096dc4 |
3 | =head1 NAME |
4 | |
5 | SQL::Translator::Producer::Oracle - Oracle SQL producer |
6 | |
7 | =head1 SYNOPSIS |
8 | |
9 | use SQL::Translator; |
10 | |
11 | my $t = SQL::Translator->new( parser => '...', producer => 'Oracle' ); |
12 | print $translator->translate( $file ); |
13 | |
14 | =head1 DESCRIPTION |
15 | |
16 | Creates an SQL DDL suitable for Oracle. |
17 | |
662258cd |
18 | =head1 producer_args |
19 | |
20 | =over |
21 | |
22 | =item delay_constraints |
23 | |
24 | This option remove the primary key and other key constraints from the |
25 | CREATE TABLE statement and adds ALTER TABLEs at the end with it. |
26 | |
38b019a3 |
27 | =item quote_field_names |
28 | |
29 | Controls whether quotes are being used around column names in generated DDL. |
30 | |
31 | =item quote_table_names |
32 | |
33 | Controls whether quotes are being used around table, sequence and trigger names in |
34 | generated DDL. |
35 | |
662258cd |
36 | =back |
37 | |
2c5e6626 |
38 | =head1 NOTES |
39 | |
40 | =head2 Autoincremental primary keys |
41 | |
42 | This producer uses sequences and triggers to autoincrement primary key |
43 | columns, if necessary. SQLPlus and DBI expect a slightly different syntax |
44 | of CREATE TRIGGER statement. You might have noticed that this |
45 | producer returns a scalar containing all statements concatenated by |
46 | newlines or an array of single statements depending on the context |
47 | (scalar, array) it has been called in. |
48 | |
49 | SQLPlus expects following trigger syntax: |
50 | |
51 | CREATE OR REPLACE TRIGGER ai_person_id |
52 | BEFORE INSERT ON person |
53 | FOR EACH ROW WHEN ( |
54 | new.id IS NULL OR new.id = 0 |
55 | ) |
56 | BEGIN |
57 | SELECT sq_person_id.nextval |
58 | INTO :new.id |
59 | FROM dual; |
60 | END; |
61 | / |
62 | |
63 | Whereas if you want to create the same trigger using L<DBI/do>, you need |
64 | to omit the last slash: |
65 | |
66 | my $dbh = DBI->connect('dbi:Oracle:mysid', 'scott', 'tiger'); |
67 | $dbh->do(" |
68 | CREATE OR REPLACE TRIGGER ai_person_id |
69 | BEFORE INSERT ON person |
70 | FOR EACH ROW WHEN ( |
71 | new.id IS NULL OR new.id = 0 |
72 | ) |
73 | BEGIN |
74 | SELECT sq_person_id.nextval |
75 | INTO :new.id |
76 | FROM dual; |
77 | END; |
78 | "); |
79 | |
80 | If you call this producer in array context, we expect you want to process |
81 | the returned array of statements using L<DBI> like |
82 | L<DBIx::Class::Schema/deploy> does. |
83 | |
84 | To get this working we removed the slash in those statements in version |
85 | 0.09002 of L<SQL::Translator> when called in array context. In scalar |
86 | context the slash will be still there to ensure compatibility with SQLPlus. |
87 | |
ba096dc4 |
88 | =cut |
89 | |
16dc9970 |
90 | use strict; |
f27f9229 |
91 | use warnings; |
0c04c5a2 |
92 | our ( $DEBUG, $WARN ); |
93 | our $VERSION = '1.59'; |
d529894e |
94 | $DEBUG = 0 unless defined $DEBUG; |
16dc9970 |
95 | |
57f77285 |
96 | use SQL::Translator::Schema::Constants; |
5ee19df8 |
97 | use SQL::Translator::Utils qw(header_comment); |
98 | |
16dc9970 |
99 | my %translate = ( |
d529894e |
100 | # |
101 | # MySQL types |
102 | # |
16dc9970 |
103 | bigint => 'number', |
07720cf1 |
104 | double => 'float', |
16dc9970 |
105 | decimal => 'number', |
3c8c1129 |
106 | float => 'float', |
16dc9970 |
107 | int => 'number', |
25966689 |
108 | integer => 'number', |
16dc9970 |
109 | mediumint => 'number', |
110 | smallint => 'number', |
111 | tinyint => 'number', |
16dc9970 |
112 | char => 'char', |
16dc9970 |
113 | varchar => 'varchar2', |
1f58ba76 |
114 | tinyblob => 'blob', |
115 | blob => 'blob', |
116 | mediumblob => 'blob', |
117 | longblob => 'blob', |
9fc9bfb1 |
118 | tinytext => 'varchar2', |
d570aec7 |
119 | text => 'clob', |
1f58ba76 |
120 | longtext => 'clob', |
121 | mediumtext => 'clob', |
16dc9970 |
122 | enum => 'varchar2', |
123 | set => 'varchar2', |
16dc9970 |
124 | date => 'date', |
125 | datetime => 'date', |
126 | time => 'date', |
127 | timestamp => 'date', |
128 | year => 'date', |
d529894e |
129 | |
130 | # |
131 | # PostgreSQL types |
132 | # |
57f77285 |
133 | numeric => 'number', |
134 | 'double precision' => 'number', |
135 | serial => 'number', |
136 | bigserial => 'number', |
137 | money => 'number', |
138 | character => 'char', |
139 | 'character varying' => 'varchar2', |
140 | bytea => 'BLOB', |
141 | interval => 'number', |
142 | boolean => 'number', |
143 | point => 'number', |
144 | line => 'number', |
145 | lseg => 'number', |
146 | box => 'number', |
147 | path => 'number', |
148 | polygon => 'number', |
149 | circle => 'number', |
150 | cidr => 'number', |
151 | inet => 'varchar2', |
152 | macaddr => 'varchar2', |
153 | bit => 'number', |
154 | 'bit varying' => 'number', |
ab8802d7 |
155 | |
156 | # |
157 | # Oracle types |
158 | # |
159 | number => 'number', |
160 | varchar2 => 'varchar2', |
161 | long => 'clob', |
d529894e |
162 | ); |
163 | |
164 | # |
e3aac687 |
165 | # Oracle 8/9 max size of data types from: |
166 | # http://www.ss64.com/orasyntax/datatypes.html |
167 | # |
168 | my %max_size = ( |
169 | char => 2000, |
3c8c1129 |
170 | float => 126, |
e3aac687 |
171 | nchar => 2000, |
172 | nvarchar2 => 4000, |
173 | number => [ 38, 127 ], |
174 | raw => 2000, |
175 | varchar => 4000, # only synonym for varchar2 |
176 | varchar2 => 4000, |
177 | ); |
178 | |
96844cae |
179 | my $max_id_length = 30; |
180 | my %used_identifiers = (); |
d529894e |
181 | my %global_names; |
d529894e |
182 | my %truncated; |
16dc9970 |
183 | |
38b019a3 |
184 | # Quote used to escape table, field, sequence and trigger names |
185 | my $quote_char = '"'; |
38b019a3 |
186 | |
077ebf34 |
187 | sub produce { |
a1d94525 |
188 | my $translator = shift; |
189 | $DEBUG = $translator->debug; |
e56dabb7 |
190 | $WARN = $translator->show_warnings || 0; |
a1d94525 |
191 | my $no_comments = $translator->no_comments; |
192 | my $add_drop_table = $translator->add_drop_table; |
193 | my $schema = $translator->schema; |
15861005 |
194 | my $oracle_version = $translator->producer_args->{oracle_version} || 0; |
65ffb46c |
195 | my $delay_constraints = $translator->producer_args->{delay_constraints}; |
196 | my ($output, $create, @table_defs, @fk_defs, @trigger_defs, @index_defs, @constraint_defs); |
44fcd0b5 |
197 | |
e56dabb7 |
198 | $create .= header_comment unless ($no_comments); |
7769504d |
199 | my $qt = 1 if $translator->quote_table_names; |
200 | my $qf = 1 if $translator->quote_field_names; |
077ebf34 |
201 | |
d529894e |
202 | if ( $translator->parser_type =~ /mysql/i ) { |
ea93df61 |
203 | $create .= |
ba3cb849 |
204 | "-- We assume that default NLS_DATE_FORMAT has been changed\n". |
205 | "-- but we set it here anyway to be self-consistent.\n" |
206 | unless $no_comments; |
207 | |
ea93df61 |
208 | $create .= |
d529894e |
209 | "ALTER SESSION SET NLS_DATE_FORMAT = 'YYYY-MM-DD HH24:MI:SS';\n\n"; |
210 | } |
16dc9970 |
211 | |
ea93df61 |
212 | for my $table ( $schema->get_tables ) { |
535e5c95 |
213 | my ( $table_def, $fk_def, $trigger_def, $index_def, $constraint_def ) = create_table( |
e56dabb7 |
214 | $table, |
215 | { |
535e5c95 |
216 | add_drop_table => $add_drop_table, |
217 | show_warnings => $WARN, |
218 | no_comments => $no_comments, |
219 | delay_constraints => $delay_constraints, |
7769504d |
220 | quote_table_names => $qt, |
221 | quote_field_names => $qf, |
e56dabb7 |
222 | } |
223 | ); |
224 | push @table_defs, @$table_def; |
225 | push @fk_defs, @$fk_def; |
226 | push @trigger_defs, @$trigger_def; |
041e659f |
227 | push @index_defs, @$index_def; |
65ffb46c |
228 | push @constraint_defs, @$constraint_def; |
e56dabb7 |
229 | } |
230 | |
231 | my (@view_defs); |
232 | foreach my $view ( $schema->get_views ) { |
64ac5763 |
233 | my ( $view_def ) = create_view( |
234 | $view, |
235 | { |
236 | add_drop_view => $add_drop_table, |
7769504d |
237 | quote_table_names => $qt, |
64ac5763 |
238 | } |
239 | ); |
240 | push @view_defs, @$view_def; |
e56dabb7 |
241 | } |
242 | |
f92d79aa |
243 | if (wantarray) { |
244 | return defined $create ? $create : (), @table_defs, @view_defs, @fk_defs, @trigger_defs, @index_defs, @constraint_defs; |
245 | } |
246 | else { |
38b019a3 |
247 | $create .= join (";\n\n", @table_defs, @view_defs, @fk_defs, @index_defs, @constraint_defs); |
7769504d |
248 | $create .= ";\n\n"; |
64ac5763 |
249 | # If wantarray is not set we have to add "/" in this statement |
250 | # DBI->do() needs them omitted |
ad5cf454 |
251 | # triggers may NOT end with a semicolon but a "/" instead |
252 | $create .= "$_/\n\n" |
253 | for @trigger_defs; |
f92d79aa |
254 | return $create; |
255 | } |
e56dabb7 |
256 | } |
257 | |
258 | sub create_table { |
259 | my ($table, $options) = @_; |
7769504d |
260 | my $qt = $options->{quote_table_names}; |
261 | my $qf = $options->{quote_field_names}; |
e56dabb7 |
262 | my $table_name = $table->name; |
7769504d |
263 | my $table_name_q = quote($table_name,$qt); |
64ac5763 |
264 | |
e56dabb7 |
265 | my $item = ''; |
266 | my $drop; |
267 | my (@create, @field_defs, @constraint_defs, @fk_defs, @trigger_defs); |
16dc9970 |
268 | |
38b019a3 |
269 | push @create, "--\n-- Table: $table_name\n--" unless $options->{no_comments}; |
270 | push @create, qq[DROP TABLE $table_name_q CASCADE CONSTRAINTS] if $options->{add_drop_table}; |
a7f999aa |
271 | |
f6195129 |
272 | my ( %field_name_scope, @field_comments ); |
57f77285 |
273 | for my $field ( $table->get_fields ) { |
017ac5a7 |
274 | my ($field_create, $field_defs, $trigger_defs, $field_comments) = |
275 | create_field($field, $options, \%field_name_scope); |
276 | push @create, @$field_create if ref $field_create; |
277 | push @field_defs, @$field_defs if ref $field_defs; |
278 | push @trigger_defs, @$trigger_defs if ref $trigger_defs; |
279 | push @field_comments, @$field_comments if ref $field_comments; |
57f77285 |
280 | } |
281 | |
282 | # |
02c2af3b |
283 | # Table options |
284 | # |
285 | my @table_options; |
286 | for my $opt ( $table->options ) { |
287 | if ( ref $opt eq 'HASH' ) { |
288 | my ( $key, $value ) = each %$opt; |
289 | if ( ref $value eq 'ARRAY' ) { |
290 | push @table_options, "$key\n(\n". join ("\n", |
ea93df61 |
291 | map { " $_->[0]\t$_->[1]" } |
02c2af3b |
292 | map { [ each %$_ ] } |
293 | @$value |
294 | )."\n)"; |
295 | } |
296 | elsif ( !defined $value ) { |
297 | push @table_options, $key; |
298 | } |
299 | else { |
300 | push @table_options, "$key $value"; |
301 | } |
302 | } |
303 | } |
304 | |
305 | # |
57f77285 |
306 | # Table constraints |
307 | # |
57f77285 |
308 | for my $c ( $table->get_constraints ) { |
309 | my $name = $c->name || ''; |
38b019a3 |
310 | my @fields = map { quote($_,$qf) } $c->fields; |
b307a0db |
311 | my @rfields = map { quote($_,$qf) } $c->reference_fields; |
312 | |
4dfb0380 |
313 | next if !@fields && $c->type ne CHECK_C; |
57f77285 |
314 | |
315 | if ( $c->type eq PRIMARY_KEY ) { |
d4977f1c |
316 | # create a name if delay_constraints |
317 | $name ||= mk_name( $table_name, 'pk' ) |
318 | if $options->{delay_constraints}; |
7769504d |
319 | $name = quote($name,$qf); |
54e61f1f |
320 | push @constraint_defs, ($name ? "CONSTRAINT $name " : '') . |
7769504d |
321 | 'PRIMARY KEY (' . join( ', ', @fields ) . ')'; |
57f77285 |
322 | } |
323 | elsif ( $c->type eq UNIQUE ) { |
7769504d |
324 | # Don't create UNIQUE constraints identical to the primary key |
325 | if ( my $pk = $table->primary_key ) { |
326 | my $u_fields = join(":", @fields); |
327 | my $pk_fields = join(":", $pk->fields); |
328 | next if $u_fields eq $pk_fields; |
329 | } |
330 | |
331 | if ($name) { |
332 | # Force prepend of table_name as ORACLE doesn't allow duplicate |
333 | # CONSTRAINT names even for different tables (ORA-02264) |
3b9249fb |
334 | $name = mk_name( "${table_name}_$name", 'u' ) unless $name =~ /^$table_name/; |
7769504d |
335 | } |
336 | else { |
38b019a3 |
337 | $name = mk_name( $table_name, 'u' ); |
7769504d |
338 | } |
339 | |
340 | $name = quote($name, $qf); |
6d4ce9b6 |
341 | |
b0c196d4 |
342 | for my $f ( $c->fields ) { |
343 | my $field_def = $table->get_field( $f ) or next; |
15861005 |
344 | my $dtype = $translate{ ref $field_def->data_type eq "ARRAY" ? $field_def->data_type->[0] : $field_def->data_type} or next; |
b0c196d4 |
345 | if ( $WARN && $dtype =~ /clob/i ) { |
346 | warn "Oracle will not allow UNIQUE constraints on " . |
347 | "CLOB field '" . $field_def->table->name . '.' . |
348 | $field_def->name . ".'\n" |
349 | } |
350 | } |
6d4ce9b6 |
351 | |
57f77285 |
352 | push @constraint_defs, "CONSTRAINT $name UNIQUE " . |
353 | '(' . join( ', ', @fields ) . ')'; |
354 | } |
4dfb0380 |
355 | elsif ( $c->type eq CHECK_C ) { |
54e61f1f |
356 | $name ||= mk_name( $name || $table_name, 'ck' ); |
7769504d |
357 | $name = quote($name, $qf); |
4dfb0380 |
358 | my $expression = $c->expression || ''; |
359 | push @constraint_defs, "CONSTRAINT $name CHECK ($expression)"; |
360 | } |
57f77285 |
361 | elsif ( $c->type eq FOREIGN_KEY ) { |
541d6e24 |
362 | $name = mk_name( join('_', $table_name, $c->fields). '_fk' ); |
7769504d |
363 | $name = quote($name, $qf); |
0d3badf1 |
364 | my $on_delete = uc ($c->on_delete || ''); |
365 | |
cd617ba8 |
366 | my $def = "CONSTRAINT $name FOREIGN KEY "; |
367 | |
368 | if ( @fields ) { |
1c899510 |
369 | $def .= '(' . join( ', ', @fields ) . ')'; |
cd617ba8 |
370 | } |
371 | |
38b019a3 |
372 | my $ref_table = quote($c->reference_table,$qt); |
1c899510 |
373 | |
374 | $def .= " REFERENCES $ref_table"; |
57f77285 |
375 | |
376 | if ( @rfields ) { |
377 | $def .= ' (' . join( ', ', @rfields ) . ')'; |
378 | } |
379 | |
380 | if ( $c->match_type ) { |
ea93df61 |
381 | $def .= ' MATCH ' . |
57f77285 |
382 | ( $c->match_type =~ /full/i ) ? 'FULL' : 'PARTIAL'; |
383 | } |
384 | |
0d3badf1 |
385 | if ( $on_delete && $on_delete ne "RESTRICT") { |
5863ad87 |
386 | $def .= ' ON DELETE '.$c->on_delete; |
57f77285 |
387 | } |
388 | |
541d6e24 |
389 | # disabled by plu 2007-12-29 - doesn't exist for oracle |
390 | #if ( $c->on_update ) { |
5863ad87 |
391 | # $def .= ' ON UPDATE '. $c->on_update; |
541d6e24 |
392 | #} |
57f77285 |
393 | |
38b019a3 |
394 | push @fk_defs, sprintf("ALTER TABLE %s ADD %s", $table_name_q, $def); |
57f77285 |
395 | } |
16dc9970 |
396 | } |
397 | |
398 | # |
399 | # Index Declarations |
400 | # |
57f77285 |
401 | my @index_defs = (); |
57f77285 |
402 | for my $index ( $table->get_indices ) { |
403 | my $index_name = $index->name || ''; |
404 | my $index_type = $index->type || NORMAL; |
38b019a3 |
405 | my @fields = map { quote($_, $qf) } $index->fields; |
44fcd0b5 |
406 | next unless @fields; |
16dc9970 |
407 | |
bdd8e79a |
408 | my @index_options; |
409 | for my $opt ( $index->options ) { |
410 | if ( ref $opt eq 'HASH' ) { |
411 | my ( $key, $value ) = each %$opt; |
412 | if ( ref $value eq 'ARRAY' ) { |
413 | push @table_options, "$key\n(\n". join ("\n", |
ea93df61 |
414 | map { " $_->[0]\t$_->[1]" } |
bdd8e79a |
415 | map { [ each %$_ ] } |
416 | @$value |
417 | )."\n)"; |
418 | } |
419 | elsif ( !defined $value ) { |
420 | push @index_options, $key; |
421 | } |
422 | else { |
423 | push @index_options, "$key $value"; |
424 | } |
425 | } |
426 | } |
427 | my $index_options = @index_options |
428 | ? "\n".join("\n", @index_options) : ''; |
429 | |
57f77285 |
430 | if ( $index_type eq PRIMARY_KEY ) { |
ea93df61 |
431 | $index_name = $index_name ? mk_name( $index_name ) |
6d4ce9b6 |
432 | : mk_name( $table_name, 'pk' ); |
7769504d |
433 | $index_name = quote($index_name, $qf); |
57f77285 |
434 | push @field_defs, 'CONSTRAINT '.$index_name.' PRIMARY KEY '. |
16dc9970 |
435 | '(' . join( ', ', @fields ) . ')'; |
436 | } |
57f77285 |
437 | elsif ( $index_type eq NORMAL ) { |
ea93df61 |
438 | $index_name = $index_name ? mk_name( $index_name ) |
6d4ce9b6 |
439 | : mk_name( $table_name, $index_name || 'i' ); |
7769504d |
440 | $index_name = quote($index_name, $qf); |
ea93df61 |
441 | push @index_defs, |
1ced2a25 |
442 | "CREATE INDEX $index_name on $table_name_q (". |
ea93df61 |
443 | join( ', ', @fields ). |
4dec2e49 |
444 | ")$index_options"; |
16dc9970 |
445 | } |
041e659f |
446 | elsif ( $index_type eq UNIQUE ) { |
ea93df61 |
447 | $index_name = $index_name ? mk_name( $index_name ) |
041e659f |
448 | : mk_name( $table_name, $index_name || 'i' ); |
7769504d |
449 | $index_name = quote($index_name, $qf); |
ea93df61 |
450 | push @index_defs, |
1ced2a25 |
451 | "CREATE UNIQUE INDEX $index_name on $table_name_q (". |
ea93df61 |
452 | join( ', ', @fields ). |
453 | ")$index_options"; |
041e659f |
454 | } |
16dc9970 |
455 | else { |
96844cae |
456 | warn "Unknown index type ($index_type) on table $table_name.\n" |
457 | if $WARN; |
16dc9970 |
458 | } |
459 | } |
460 | |
9fc9bfb1 |
461 | if ( my @table_comments = $table->comments ) { |
462 | for my $comment ( @table_comments ) { |
463 | next unless $comment; |
b89d5635 |
464 | $comment =~ s/'/''/g; |
38b019a3 |
465 | push @field_comments, "COMMENT ON TABLE $table_name_q is\n '". |
4dec2e49 |
466 | $comment . "'" unless $options->{no_comments} |
9fc9bfb1 |
467 | ; |
468 | } |
469 | } |
470 | |
ea93df61 |
471 | my $table_options = @table_options |
02c2af3b |
472 | ? "\n".join("\n", @table_options) : ''; |
38b019a3 |
473 | push @create, "CREATE TABLE $table_name_q (\n" . |
65ffb46c |
474 | join( ",\n", map { " $_" } @field_defs, |
475 | ($options->{delay_constraints} ? () : @constraint_defs) ) . |
4dec2e49 |
476 | "\n)$table_options"; |
65ffb46c |
477 | |
38b019a3 |
478 | @constraint_defs = map { "ALTER TABLE $table_name_q ADD $_" } |
65ffb46c |
479 | @constraint_defs; |
16dc9970 |
480 | |
96844cae |
481 | if ( $WARN ) { |
482 | if ( %truncated ) { |
483 | warn "Truncated " . keys( %truncated ) . " names:\n"; |
484 | warn "\t" . join( "\n\t", sort keys %truncated ) . "\n"; |
485 | } |
96844cae |
486 | } |
487 | |
65ffb46c |
488 | return \@create, \@fk_defs, \@trigger_defs, \@index_defs, ($options->{delay_constraints} ? \@constraint_defs : []); |
e56dabb7 |
489 | } |
490 | |
017ac5a7 |
491 | sub alter_field { |
492 | my ($from_field, $to_field, $options) = @_; |
493 | |
7769504d |
494 | my $qt = $options->{quote_table_names}; |
017ac5a7 |
495 | my ($field_create, $field_defs, $trigger_defs, $field_comments) = |
496 | create_field($to_field, $options, {}); |
497 | |
d888d445 |
498 | # Fix ORA-01442 |
499 | if ($to_field->is_nullable && !$from_field->is_nullable) { |
500 | die 'Cannot remove NOT NULL from table field'; |
501 | } elsif (!$from_field->is_nullable && !$to_field->is_nullable) { |
502 | @$field_defs = map { s/ NOT NULL//; $_} @$field_defs; |
503 | } |
504 | |
1ced2a25 |
505 | my $table_name = quote($to_field->table->name,$qt); |
017ac5a7 |
506 | |
38b019a3 |
507 | return 'ALTER TABLE '.$table_name.' MODIFY ( '.join('', @$field_defs).' )'; |
017ac5a7 |
508 | } |
509 | |
fe9f1470 |
510 | sub add_field { |
511 | my ($new_field, $options) = @_; |
512 | |
7769504d |
513 | my $qt = $options->{quote_table_names}; |
fe9f1470 |
514 | my ($field_create, $field_defs, $trigger_defs, $field_comments) = |
515 | create_field($new_field, $options, {}); |
516 | |
1ced2a25 |
517 | my $table_name = quote($new_field->table->name,$qt); |
fe9f1470 |
518 | |
519 | my $out = sprintf('ALTER TABLE %s ADD ( %s )', |
38b019a3 |
520 | $table_name, |
fe9f1470 |
521 | join('', @$field_defs)); |
522 | return $out; |
523 | } |
524 | |
017ac5a7 |
525 | sub create_field { |
526 | my ($field, $options, $field_name_scope) = @_; |
7769504d |
527 | my $qf = $options->{quote_field_names}; |
528 | my $qt = $options->{quote_table_names}; |
017ac5a7 |
529 | |
530 | my (@create, @field_defs, @trigger_defs, @field_comments); |
531 | |
532 | my $table_name = $field->table->name; |
38b019a3 |
533 | my $table_name_q = quote($table_name, $qt); |
017ac5a7 |
534 | |
535 | # |
536 | # Field name |
537 | # |
538 | my $field_name = mk_name( |
539 | $field->name, '', $field_name_scope, 1 |
540 | ); |
7769504d |
541 | my $field_name_q = quote($field_name, $qf); |
38b019a3 |
542 | my $field_def = quote($field_name, $qf); |
543 | $field->name( $field_name ); |
017ac5a7 |
544 | |
545 | # |
546 | # Datatype |
547 | # |
548 | my $check; |
549 | my $data_type = lc $field->data_type; |
550 | my @size = $field->size; |
551 | my %extra = $field->extra; |
552 | my $list = $extra{'list'} || []; |
553 | # \todo deal with embedded quotes |
554 | my $commalist = join( ', ', map { qq['$_'] } @$list ); |
555 | |
556 | if ( $data_type eq 'enum' ) { |
38b019a3 |
557 | $check = "CHECK ($field_name_q IN ($commalist))"; |
017ac5a7 |
558 | $data_type = 'varchar2'; |
559 | } |
560 | elsif ( $data_type eq 'set' ) { |
ea93df61 |
561 | # XXX add a CHECK constraint maybe |
017ac5a7 |
562 | # (trickier and slower, than enum :) |
563 | $data_type = 'varchar2'; |
564 | } |
565 | else { |
7769504d |
566 | if (defined $translate{ $data_type }) { |
567 | if (ref $translate{ $data_type } eq "ARRAY") { |
568 | ($data_type,$size[0]) = @{$translate{ $data_type }}; |
569 | } else { |
570 | $data_type = $translate{ $data_type }; |
571 | } |
572 | } |
15861005 |
573 | $data_type ||= 'varchar2'; |
017ac5a7 |
574 | } |
7769504d |
575 | |
e3aac687 |
576 | # ensure size is not bigger than max size oracle allows for data type |
577 | if ( defined $max_size{$data_type} ) { |
578 | for ( my $i = 0 ; $i < scalar @size ; $i++ ) { |
579 | my $max = |
580 | ref( $max_size{$data_type} ) eq 'ARRAY' |
581 | ? $max_size{$data_type}->[$i] |
582 | : $max_size{$data_type}; |
583 | $size[$i] = $max if $size[$i] > $max; |
584 | } |
585 | } |
017ac5a7 |
586 | |
587 | # |
ea93df61 |
588 | # Fixes ORA-02329: column of datatype LOB cannot be |
017ac5a7 |
589 | # unique or a primary key |
590 | # |
591 | if ( $data_type eq 'clob' && $field->is_primary_key ) { |
592 | $data_type = 'varchar2'; |
593 | $size[0] = 4000; |
594 | warn "CLOB cannot be a primary key, changing to VARCHAR2\n" |
595 | if $WARN; |
596 | } |
597 | |
598 | if ( $data_type eq 'clob' && $field->is_unique ) { |
599 | $data_type = 'varchar2'; |
600 | $size[0] = 4000; |
601 | warn "CLOB cannot be a unique key, changing to VARCHAR2\n" |
602 | if $WARN; |
603 | } |
604 | |
605 | # |
606 | # Fixes ORA-00907: missing right parenthesis |
607 | # |
608 | if ( $data_type =~ /(date|clob)/i ) { |
609 | undef @size; |
610 | } |
611 | |
e19efc15 |
612 | # |
613 | # Fixes ORA-00906: missing right parenthesis |
ea93df61 |
614 | # if size is 0 or undefined |
e19efc15 |
615 | # |
616 | for (qw/varchar2/) { |
617 | if ( $data_type =~ /^($_)$/i ) { |
618 | $size[0] ||= $max_size{$_}; |
619 | } |
620 | } |
621 | |
017ac5a7 |
622 | $field_def .= " $data_type"; |
623 | if ( defined $size[0] && $size[0] > 0 ) { |
9190556b |
624 | $field_def .= '(' . join( ',', @size ) . ')'; |
017ac5a7 |
625 | } |
626 | |
627 | # |
628 | # Default value |
629 | # |
630 | my $default = $field->default_value; |
631 | if ( defined $default ) { |
632 | # |
ea93df61 |
633 | # Wherein we try to catch a string being used as |
017ac5a7 |
634 | # a default value for a numerical field. If "true/false," |
635 | # then sub "1/0," otherwise just test the truthity of the |
636 | # argument and use that (naive?). |
637 | # |
bc8e2aa1 |
638 | if (ref $default and defined $$default) { |
639 | $default = $$default; |
640 | } elsif (ref $default) { |
641 | $default = 'NULL'; |
ea93df61 |
642 | } elsif ( |
643 | $data_type =~ /^number$/i && |
017ac5a7 |
644 | $default !~ /^-?\d+$/ && |
645 | $default !~ m/null/i |
646 | ) { |
647 | if ( $default =~ /^true$/i ) { |
648 | $default = "'1'"; |
649 | } elsif ( $default =~ /^false$/i ) { |
650 | $default = "'0'"; |
651 | } else { |
652 | $default = $default ? "'1'" : "'0'"; |
653 | } |
ea93df61 |
654 | } elsif ( |
017ac5a7 |
655 | $data_type =~ /date/ && ( |
ea93df61 |
656 | $default eq 'current_timestamp' |
017ac5a7 |
657 | || |
ea93df61 |
658 | $default eq 'now()' |
017ac5a7 |
659 | ) |
660 | ) { |
661 | $default = 'SYSDATE'; |
662 | } else { |
663 | $default = $default =~ m/null/i ? 'NULL' : "'$default'" |
ea93df61 |
664 | } |
017ac5a7 |
665 | |
666 | $field_def .= " DEFAULT $default", |
667 | } |
668 | |
669 | # |
670 | # Not null constraint |
671 | # |
672 | unless ( $field->is_nullable ) { |
673 | $field_def .= ' NOT NULL'; |
674 | } |
675 | |
676 | $field_def .= " $check" if $check; |
677 | |
678 | # |
679 | # Auto_increment |
680 | # |
681 | if ( $field->is_auto_increment ) { |
38b019a3 |
682 | my $base_name = $table_name . "_". $field_name; |
683 | my $seq_name = quote(mk_name( $base_name, 'sq' ),$qt); |
684 | my $trigger_name = quote(mk_name( $base_name, 'ai' ),$qt); |
017ac5a7 |
685 | |
4dec2e49 |
686 | push @create, qq[DROP SEQUENCE $seq_name] if $options->{add_drop_table}; |
687 | push @create, "CREATE SEQUENCE $seq_name"; |
535e5c95 |
688 | my $trigger = |
017ac5a7 |
689 | "CREATE OR REPLACE TRIGGER $trigger_name\n" . |
38b019a3 |
690 | "BEFORE INSERT ON $table_name_q\n" . |
017ac5a7 |
691 | "FOR EACH ROW WHEN (\n" . |
38b019a3 |
692 | " new.$field_name_q IS NULL". |
693 | " OR new.$field_name_q = 0\n". |
017ac5a7 |
694 | ")\n". |
695 | "BEGIN\n" . |
696 | " SELECT $seq_name.nextval\n" . |
38b019a3 |
697 | " INTO :new." . $field_name_q."\n" . |
017ac5a7 |
698 | " FROM dual;\n" . |
535e5c95 |
699 | "END;\n"; |
7769504d |
700 | |
535e5c95 |
701 | push @trigger_defs, $trigger; |
017ac5a7 |
702 | } |
703 | |
704 | if ( lc $field->data_type eq 'timestamp' ) { |
38b019a3 |
705 | my $base_name = $table_name . "_". $field_name; |
706 | my $trig_name = quote(mk_name( $base_name, 'ts' ), $qt); |
ea93df61 |
707 | my $trigger = |
017ac5a7 |
708 | "CREATE OR REPLACE TRIGGER $trig_name\n". |
38b019a3 |
709 | "BEFORE INSERT OR UPDATE ON $table_name_q\n". |
710 | "FOR EACH ROW WHEN (new.$field_name_q IS NULL)\n". |
aee4b66e |
711 | "BEGIN\n". |
38b019a3 |
712 | " SELECT sysdate INTO :new.$field_name_q FROM dual;\n". |
535e5c95 |
713 | "END;\n"; |
714 | |
535e5c95 |
715 | push @trigger_defs, $trigger; |
017ac5a7 |
716 | } |
717 | |
718 | push @field_defs, $field_def; |
719 | |
720 | if ( my $comment = $field->comments ) { |
721 | $comment =~ s/'/''/g; |
ea93df61 |
722 | push @field_comments, |
1ced2a25 |
723 | "COMMENT ON COLUMN $table_name_q.$field_name_q is\n '" . |
017ac5a7 |
724 | $comment . "';" unless $options->{no_comments}; |
725 | } |
726 | |
727 | return \@create, \@field_defs, \@trigger_defs, \@field_comments; |
728 | |
729 | } |
730 | |
731 | |
e56dabb7 |
732 | sub create_view { |
64ac5763 |
733 | my ($view, $options) = @_; |
7769504d |
734 | my $qt = $options->{quote_table_names}; |
38b019a3 |
735 | my $view_name = quote($view->name,$qt); |
ea93df61 |
736 | |
64ac5763 |
737 | my @create; |
738 | push @create, qq[DROP VIEW $view_name] |
739 | if $options->{add_drop_view}; |
e56dabb7 |
740 | |
64ac5763 |
741 | push @create, sprintf("CREATE VIEW %s AS\n%s", |
742 | $view_name, |
e56dabb7 |
743 | $view->sql); |
744 | |
64ac5763 |
745 | return \@create; |
16dc9970 |
746 | } |
747 | |
d529894e |
748 | sub mk_name { |
ea93df61 |
749 | my $basename = shift || ''; |
750 | my $type = shift || ''; |
1c899510 |
751 | $type = '' if $type =~ /^\d/; |
ea93df61 |
752 | my $scope = shift || ''; |
57f77285 |
753 | my $critical = shift || ''; |
d529894e |
754 | my $basename_orig = $basename; |
ea93df61 |
755 | my $max_name = $type |
756 | ? $max_id_length - (length($type) + 1) |
f5087552 |
757 | : $max_id_length; |
ea93df61 |
758 | $basename = substr( $basename, 0, $max_name ) |
96844cae |
759 | if length( $basename ) > $max_name; |
d529894e |
760 | my $name = $type ? "${type}_$basename" : $basename; |
761 | |
762 | if ( $basename ne $basename_orig and $critical ) { |
763 | my $show_type = $type ? "+'$type'" : ""; |
764 | warn "Truncating '$basename_orig'$show_type to $max_id_length ", |
96844cae |
765 | "character limit to make '$name'\n" if $WARN; |
766 | $truncated{ $basename_orig } = $name; |
d529894e |
767 | } |
768 | |
769 | $scope ||= \%global_names; |
96844cae |
770 | if ( my $prev = $scope->{ $name } ) { |
771 | my $name_orig = $name; |
b89d5635 |
772 | substr($name, $max_id_length - 2) = "" |
773 | if length( $name ) >= $max_id_length - 1; |
774 | $name .= sprintf( "%02d", $prev++ ); |
96844cae |
775 | |
776 | warn "The name '$name_orig' has been changed to ", |
777 | "'$name' to make it unique.\n" if $WARN; |
778 | |
779 | $scope->{ $name_orig }++; |
780 | } |
781 | |
782 | $scope->{ $name }++; |
d529894e |
783 | return $name; |
784 | } |
785 | |
38b019a3 |
786 | 1; |
d529894e |
787 | |
38b019a3 |
788 | sub quote { |
789 | my ($name, $q) = @_; |
7769504d |
790 | $q && $name ? "$quote_char$name$quote_char" : $name; |
d529894e |
791 | } |
792 | |
16dc9970 |
793 | |
d529894e |
794 | # ------------------------------------------------------------------- |
16dc9970 |
795 | # All bad art is the result of good intentions. |
796 | # Oscar Wilde |
d529894e |
797 | # ------------------------------------------------------------------- |
16dc9970 |
798 | |
ba096dc4 |
799 | =pod |
16dc9970 |
800 | |
d529894e |
801 | =head1 CREDITS |
802 | |
ba096dc4 |
803 | Mad props to Tim Bunce for much of the logic stolen from his "mysql2ora" |
804 | script. |
16dc9970 |
805 | |
42ef836a |
806 | =head1 AUTHORS |
16dc9970 |
807 | |
42ef836a |
808 | Ken Youens-Clark E<lt>kclark@cpan.orgE<gt>, |
38b019a3 |
809 | Alexander Hartmaier E<lt>abraxxa@cpan.orgE<gt>, |
810 | Fabien Wernli E<lt>faxmodem@cpan.orgE<gt>. |
16dc9970 |
811 | |
812 | =head1 SEE ALSO |
813 | |
ba096dc4 |
814 | SQL::Translator, DDL::Oracle, mysql2ora. |
16dc9970 |
815 | |
816 | =cut |