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1 | package SQL::Translator::Parser::MySQL; |
2 | |
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3 | # ------------------------------------------------------------------- |
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4 | # $Id: MySQL.pm,v 1.45 2004-11-25 22:32:48 grommit Exp $ |
49e1eb70 |
5 | # ------------------------------------------------------------------- |
90075866 |
6 | # Copyright (C) 2002-4 SQLFairy Authors |
077ebf34 |
7 | # |
8 | # This program is free software; you can redistribute it and/or |
9 | # modify it under the terms of the GNU General Public License as |
10 | # published by the Free Software Foundation; version 2. |
11 | # |
12 | # This program is distributed in the hope that it will be useful, but |
13 | # WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
15 | # General Public License for more details. |
16 | # |
17 | # You should have received a copy of the GNU General Public License |
18 | # along with this program; if not, write to the Free Software |
19 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
20 | # 02111-1307 USA |
21 | # ------------------------------------------------------------------- |
16dc9970 |
22 | |
d529894e |
23 | =head1 NAME |
24 | |
25 | SQL::Translator::Parser::MySQL - parser for MySQL |
26 | |
27 | =head1 SYNOPSIS |
28 | |
29 | use SQL::Translator; |
30 | use SQL::Translator::Parser::MySQL; |
31 | |
32 | my $translator = SQL::Translator->new; |
33 | $translator->parser("SQL::Translator::Parser::MySQL"); |
34 | |
35 | =head1 DESCRIPTION |
36 | |
37 | The grammar is influenced heavily by Tim Bunce's "mysql2ora" grammar. |
38 | |
629b76f9 |
39 | Here's the word from the MySQL site |
40 | (http://www.mysql.com/doc/en/CREATE_TABLE.html): |
41 | |
42 | CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name [(create_definition,...)] |
43 | [table_options] [select_statement] |
44 | |
45 | or |
46 | |
47 | CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name LIKE old_table_name; |
48 | |
49 | create_definition: |
50 | col_name type [NOT NULL | NULL] [DEFAULT default_value] [AUTO_INCREMENT] |
51 | [PRIMARY KEY] [reference_definition] |
52 | or PRIMARY KEY (index_col_name,...) |
53 | or KEY [index_name] (index_col_name,...) |
54 | or INDEX [index_name] (index_col_name,...) |
55 | or UNIQUE [INDEX] [index_name] (index_col_name,...) |
56 | or FULLTEXT [INDEX] [index_name] (index_col_name,...) |
57 | or [CONSTRAINT symbol] FOREIGN KEY [index_name] (index_col_name,...) |
58 | [reference_definition] |
59 | or CHECK (expr) |
60 | |
61 | type: |
62 | TINYINT[(length)] [UNSIGNED] [ZEROFILL] |
63 | or SMALLINT[(length)] [UNSIGNED] [ZEROFILL] |
64 | or MEDIUMINT[(length)] [UNSIGNED] [ZEROFILL] |
65 | or INT[(length)] [UNSIGNED] [ZEROFILL] |
66 | or INTEGER[(length)] [UNSIGNED] [ZEROFILL] |
67 | or BIGINT[(length)] [UNSIGNED] [ZEROFILL] |
68 | or REAL[(length,decimals)] [UNSIGNED] [ZEROFILL] |
69 | or DOUBLE[(length,decimals)] [UNSIGNED] [ZEROFILL] |
70 | or FLOAT[(length,decimals)] [UNSIGNED] [ZEROFILL] |
71 | or DECIMAL(length,decimals) [UNSIGNED] [ZEROFILL] |
72 | or NUMERIC(length,decimals) [UNSIGNED] [ZEROFILL] |
73 | or CHAR(length) [BINARY] |
74 | or VARCHAR(length) [BINARY] |
75 | or DATE |
76 | or TIME |
77 | or TIMESTAMP |
78 | or DATETIME |
79 | or TINYBLOB |
80 | or BLOB |
81 | or MEDIUMBLOB |
82 | or LONGBLOB |
83 | or TINYTEXT |
84 | or TEXT |
85 | or MEDIUMTEXT |
86 | or LONGTEXT |
87 | or ENUM(value1,value2,value3,...) |
88 | or SET(value1,value2,value3,...) |
89 | |
90 | index_col_name: |
91 | col_name [(length)] |
92 | |
93 | reference_definition: |
94 | REFERENCES tbl_name [(index_col_name,...)] |
95 | [MATCH FULL | MATCH PARTIAL] |
96 | [ON DELETE reference_option] |
97 | [ON UPDATE reference_option] |
98 | |
99 | reference_option: |
100 | RESTRICT | CASCADE | SET NULL | NO ACTION | SET DEFAULT |
101 | |
102 | table_options: |
103 | TYPE = {BDB | HEAP | ISAM | InnoDB | MERGE | MRG_MYISAM | MYISAM } |
104 | or AUTO_INCREMENT = # |
105 | or AVG_ROW_LENGTH = # |
106 | or CHECKSUM = {0 | 1} |
107 | or COMMENT = "string" |
108 | or MAX_ROWS = # |
109 | or MIN_ROWS = # |
110 | or PACK_KEYS = {0 | 1 | DEFAULT} |
111 | or PASSWORD = "string" |
112 | or DELAY_KEY_WRITE = {0 | 1} |
113 | or ROW_FORMAT= { default | dynamic | fixed | compressed } |
114 | or RAID_TYPE= {1 | STRIPED | RAID0 } RAID_CHUNKS=# RAID_CHUNKSIZE=# |
115 | or UNION = (table_name,[table_name...]) |
116 | or INSERT_METHOD= {NO | FIRST | LAST } |
117 | or DATA DIRECTORY="absolute path to directory" |
118 | or INDEX DIRECTORY="absolute path to directory" |
119 | |
13aec984 |
120 | A subset of the ALTER TABLE syntax that allows addition of foreign keys: |
121 | |
122 | ALTER [IGNORE] TABLE tbl_name alter_specification [, alter_specification] ... |
123 | |
124 | alter_specification: |
125 | ADD [CONSTRAINT [symbol]] |
126 | FOREIGN KEY [index_name] (index_col_name,...) |
127 | [reference_definition] |
128 | |
129 | A subset of INSERT that we ignore: |
130 | |
131 | INSERT anything |
132 | |
d529894e |
133 | =cut |
134 | |
16dc9970 |
135 | use strict; |
d529894e |
136 | use vars qw[ $DEBUG $VERSION $GRAMMAR @EXPORT_OK ]; |
13aec984 |
137 | $VERSION = sprintf "%d.%02d", q$Revision: 1.45 $ =~ /(\d+)\.(\d+)/; |
8d0f3086 |
138 | $DEBUG = 0 unless defined $DEBUG; |
077ebf34 |
139 | |
d529894e |
140 | use Data::Dumper; |
077ebf34 |
141 | use Parse::RecDescent; |
142 | use Exporter; |
143 | use base qw(Exporter); |
144 | |
145 | @EXPORT_OK = qw(parse); |
146 | |
d529894e |
147 | # Enable warnings within the Parse::RecDescent module. |
148 | $::RD_ERRORS = 1; # Make sure the parser dies when it encounters an error |
149 | $::RD_WARN = 1; # Enable warnings. This will warn on unused rules &c. |
150 | $::RD_HINT = 1; # Give out hints to help fix problems. |
151 | |
d529894e |
152 | $GRAMMAR = q! |
153 | |
8ccdeb42 |
154 | { |
13aec984 |
155 | my ( $database_name, %tables, $table_order, @table_comments ); |
8ccdeb42 |
156 | } |
d529894e |
157 | |
629b76f9 |
158 | # |
159 | # The "eofile" rule makes the parser fail if any "statement" rule |
160 | # fails. Otherwise, the first successful match by a "statement" |
161 | # won't cause the failure needed to know that the parse, as a whole, |
162 | # failed. -ky |
163 | # |
13aec984 |
164 | startrule : statement(s) eofile { |
165 | { tables => \%tables, database_name => $database_name } |
166 | } |
629b76f9 |
167 | |
168 | eofile : /^\Z/ |
d529894e |
169 | |
170 | statement : comment |
dcb4fa06 |
171 | | use |
33d0d6d4 |
172 | | set |
61745327 |
173 | | drop |
d529894e |
174 | | create |
13aec984 |
175 | | alter |
176 | | insert |
d529894e |
177 | | <error> |
178 | |
dcb4fa06 |
179 | use : /use/i WORD ';' |
13aec984 |
180 | { |
181 | $database_name = $item[2]; |
182 | @table_comments = (); |
183 | } |
dcb4fa06 |
184 | |
33d0d6d4 |
185 | set : /set/i /[^;]+/ ';' |
c5dabd71 |
186 | { @table_comments = () } |
734dfc91 |
187 | |
2e8dfb76 |
188 | drop : /drop/i TABLE /[^;]+/ ';' |
33d0d6d4 |
189 | |
61745327 |
190 | drop : /drop/i WORD(s) ';' |
c5dabd71 |
191 | { @table_comments = () } |
61745327 |
192 | |
13aec984 |
193 | insert : /insert/i /[^;]+/ ';' |
194 | |
195 | alter : ALTER TABLE table_name alter_specification(s /,/) ';' |
196 | { |
197 | my $table_name = $item{'table_name'}; |
198 | die "Cannot ALTER table '$table_name'; it does not exist" |
199 | unless $tables{ $table_name }; |
200 | for my $definition ( @{ $item[4] } ) { |
201 | $definition->{'extra'}->{'alter'} = 1; |
202 | push @{ $tables{ $table_name }{'constraints'} }, $definition; |
203 | } |
204 | } |
205 | |
206 | alter_specification : ADD foreign_key_def |
207 | { $return = $item[2] } |
208 | |
dcb4fa06 |
209 | create : CREATE /database/i WORD ';' |
c5dabd71 |
210 | { @table_comments = () } |
dcb4fa06 |
211 | |
13aec984 |
212 | create : CREATE TEMPORARY(?) TABLE opt_if_not_exists(?) table_name '(' create_definition(s /,/) /(,\s*)?\)/ table_option(s?) ';' |
d529894e |
213 | { |
214 | my $table_name = $item{'table_name'}; |
215 | $tables{ $table_name }{'order'} = ++$table_order; |
216 | $tables{ $table_name }{'table_name'} = $table_name; |
217 | |
734dfc91 |
218 | if ( @table_comments ) { |
219 | $tables{ $table_name }{'comments'} = [ @table_comments ]; |
220 | @table_comments = (); |
221 | } |
222 | |
61745327 |
223 | my $i = 1; |
40c1ade1 |
224 | for my $definition ( @{ $item[7] } ) { |
f2cf1734 |
225 | if ( $definition->{'supertype'} eq 'field' ) { |
d529894e |
226 | my $field_name = $definition->{'name'}; |
227 | $tables{ $table_name }{'fields'}{ $field_name } = |
228 | { %$definition, order => $i }; |
229 | $i++; |
230 | |
231 | if ( $definition->{'is_primary_key'} ) { |
f2cf1734 |
232 | push @{ $tables{ $table_name }{'constraints'} }, |
d529894e |
233 | { |
234 | type => 'primary_key', |
235 | fields => [ $field_name ], |
16dc9970 |
236 | } |
d529894e |
237 | ; |
238 | } |
dd2ef5ae |
239 | } |
f2cf1734 |
240 | elsif ( $definition->{'supertype'} eq 'constraint' ) { |
f2cf1734 |
241 | push @{ $tables{ $table_name }{'constraints'} }, $definition; |
40c1ade1 |
242 | } |
f2cf1734 |
243 | elsif ( $definition->{'supertype'} eq 'index' ) { |
734dfc91 |
244 | push @{ $tables{ $table_name }{'indices'} }, $definition; |
dd2ef5ae |
245 | } |
d529894e |
246 | } |
dd2ef5ae |
247 | |
02a21f1a |
248 | if ( my @options = @{ $item{'table_option(s?)'} } ) { |
249 | $tables{ $table_name }{'table_options'} = \@options; |
d529894e |
250 | } |
58a88238 |
251 | |
252 | 1; |
d529894e |
253 | } |
dd2ef5ae |
254 | |
40c1ade1 |
255 | opt_if_not_exists : /if not exists/i |
256 | |
f2cf1734 |
257 | create : CREATE UNIQUE(?) /(index|key)/i index_name /on/i table_name '(' field_name(s /,/) ')' ';' |
d529894e |
258 | { |
734dfc91 |
259 | @table_comments = (); |
d529894e |
260 | push @{ $tables{ $item{'table_name'} }{'indices'} }, |
261 | { |
262 | name => $item[4], |
263 | type => $item[2] ? 'unique' : 'normal', |
264 | fields => $item[8], |
dd2ef5ae |
265 | } |
d529894e |
266 | ; |
267 | } |
dd2ef5ae |
268 | |
f2cf1734 |
269 | create_definition : constraint |
270 | | index |
d529894e |
271 | | field |
02a21f1a |
272 | | comment |
d529894e |
273 | | <error> |
274 | |
734dfc91 |
275 | comment : /^\s*(?:#|-{2}).*\n/ |
276 | { |
277 | my $comment = $item[1]; |
a82fa2cb |
278 | $comment =~ s/^\s*(#|--)\s*//; |
734dfc91 |
279 | $comment =~ s/\s*$//; |
280 | $return = $comment; |
281 | push @table_comments, $comment; |
282 | } |
283 | |
284 | field_comment : /^\s*(?:#|-{2}).*\n/ |
285 | { |
286 | my $comment = $item[1]; |
a82fa2cb |
287 | $comment =~ s/^\s*(#|--)\s*//; |
734dfc91 |
288 | $comment =~ s/\s*$//; |
289 | $return = $comment; |
290 | } |
d529894e |
291 | |
292 | blank : /\s*/ |
293 | |
734dfc91 |
294 | field : field_comment(s?) field_name data_type field_qualifier(s?) reference_definition(?) field_comment(s?) |
d529894e |
295 | { |
734dfc91 |
296 | my %qualifiers = map { %$_ } @{ $item{'field_qualifier(s?)'} || [] }; |
d529894e |
297 | if ( my @type_quals = @{ $item{'data_type'}{'qualifiers'} || [] } ) { |
298 | $qualifiers{ $_ } = 1 for @type_quals; |
299 | } |
300 | |
c5dabd71 |
301 | my $null = defined $qualifiers{'not_null'} |
302 | ? $qualifiers{'not_null'} : 1; |
303 | delete $qualifiers{'not_null'}; |
304 | |
88b89793 |
305 | my @comments = ( @{ $item[1] }, @{ $item[6] } ); |
306 | |
d529894e |
307 | $return = { |
f2cf1734 |
308 | supertype => 'field', |
309 | name => $item{'field_name'}, |
310 | data_type => $item{'data_type'}{'type'}, |
311 | size => $item{'data_type'}{'size'}, |
312 | list => $item{'data_type'}{'list'}, |
313 | null => $null, |
314 | constraints => $item{'reference_definition(?)'}, |
88b89793 |
315 | comments => [ @comments ], |
d529894e |
316 | %qualifiers, |
317 | } |
318 | } |
319 | | <error> |
dd2ef5ae |
320 | |
d529894e |
321 | field_qualifier : not_null |
322 | { |
323 | $return = { |
324 | null => $item{'not_null'}, |
325 | } |
326 | } |
16dc9970 |
327 | |
d529894e |
328 | field_qualifier : default_val |
329 | { |
330 | $return = { |
331 | default => $item{'default_val'}, |
332 | } |
333 | } |
16dc9970 |
334 | |
d529894e |
335 | field_qualifier : auto_inc |
336 | { |
337 | $return = { |
338 | is_auto_inc => $item{'auto_inc'}, |
339 | } |
340 | } |
16dc9970 |
341 | |
d529894e |
342 | field_qualifier : primary_key |
343 | { |
344 | $return = { |
345 | is_primary_key => $item{'primary_key'}, |
346 | } |
347 | } |
16dc9970 |
348 | |
d529894e |
349 | field_qualifier : unsigned |
350 | { |
351 | $return = { |
352 | is_unsigned => $item{'unsigned'}, |
353 | } |
354 | } |
16dc9970 |
355 | |
095b4549 |
356 | field_qualifier : /character set/i WORD |
357 | { |
358 | $return = { |
359 | character_set => $item[2], |
360 | } |
361 | } |
362 | |
658637cd |
363 | reference_definition : /references/i table_name parens_field_list(?) match_type(?) on_delete_do(?) on_update_do(?) |
364 | { |
40c1ade1 |
365 | $return = { |
658637cd |
366 | type => 'foreign_key', |
367 | reference_table => $item[2], |
368 | reference_fields => $item[3][0], |
369 | match_type => $item[4][0], |
370 | on_delete_do => $item[5][0], |
371 | on_update_do => $item[6][0], |
372 | } |
373 | } |
374 | |
02a21f1a |
375 | match_type : /match full/i { 'full' } |
658637cd |
376 | | |
02a21f1a |
377 | /match partial/i { 'partial' } |
658637cd |
378 | |
379 | on_delete_do : /on delete/i reference_option |
380 | { $item[2] } |
381 | |
382 | on_update_do : /on update/i reference_option |
383 | { $item[2] } |
384 | |
385 | reference_option: /restrict/i | |
386 | /cascade/i | |
387 | /set null/i | |
388 | /no action/i | |
389 | /set default/i |
390 | { $item[1] } |
391 | |
f2cf1734 |
392 | index : normal_index |
371f5f88 |
393 | | fulltext_index |
58a88238 |
394 | | <error> |
d529894e |
395 | |
0d41bc9b |
396 | table_name : NAME |
d529894e |
397 | |
0d41bc9b |
398 | field_name : NAME |
d529894e |
399 | |
02a21f1a |
400 | index_name : NAME |
d529894e |
401 | |
402 | data_type : WORD parens_value_list(s?) type_qualifier(s?) |
403 | { |
404 | my $type = $item[1]; |
405 | my $size; # field size, applicable only to non-set fields |
406 | my $list; # set list, applicable only to sets (duh) |
407 | |
44fcd0b5 |
408 | if ( uc($type) =~ /^(SET|ENUM)$/ ) { |
d529894e |
409 | $size = undef; |
410 | $list = $item[2][0]; |
411 | } |
412 | else { |
413 | $size = $item[2][0]; |
414 | $list = []; |
415 | } |
416 | |
6333c482 |
417 | unless ( @{ $size || [] } ) { |
418 | if ( lc $type eq 'tinyint' ) { |
7898fb70 |
419 | $size = 4; |
6333c482 |
420 | } |
421 | elsif ( lc $type eq 'smallint' ) { |
7898fb70 |
422 | $size = 6; |
6333c482 |
423 | } |
424 | elsif ( lc $type eq 'mediumint' ) { |
7898fb70 |
425 | $size = 9; |
6333c482 |
426 | } |
c736c39c |
427 | elsif ( $type =~ /^int(eger)?$/ ) { |
f2cf1734 |
428 | $type = 'int'; |
7898fb70 |
429 | $size = 11; |
6333c482 |
430 | } |
431 | elsif ( lc $type eq 'bigint' ) { |
7898fb70 |
432 | $size = 20; |
6333c482 |
433 | } |
1eb08c80 |
434 | elsif ( |
435 | lc $type =~ /(float|double|decimal|numeric|real|fixed|dec)/ |
436 | ) { |
6333c482 |
437 | $size = [8,2]; |
438 | } |
439 | } |
440 | |
7898fb70 |
441 | if ( $type =~ /^tiny(text|blob)$/i ) { |
442 | $size = 255; |
256d534a |
443 | } |
7898fb70 |
444 | elsif ( $type =~ /^(blob|text)$/i ) { |
445 | $size = 65_535; |
256d534a |
446 | } |
7898fb70 |
447 | elsif ( $type =~ /^medium(blob|text)$/i ) { |
448 | $size = 16_777_215; |
256d534a |
449 | } |
7898fb70 |
450 | elsif ( $type =~ /^long(blob|text)$/i ) { |
451 | $size = 4_294_967_295; |
256d534a |
452 | } |
453 | |
d529894e |
454 | $return = { |
455 | type => $type, |
456 | size => $size, |
457 | list => $list, |
458 | qualifiers => $item[3], |
459 | } |
460 | } |
16dc9970 |
461 | |
658637cd |
462 | parens_field_list : '(' field_name(s /,/) ')' |
463 | { $item[2] } |
464 | |
d529894e |
465 | parens_value_list : '(' VALUE(s /,/) ')' |
466 | { $item[2] } |
16dc9970 |
467 | |
d529894e |
468 | type_qualifier : /(BINARY|UNSIGNED|ZEROFILL)/i |
469 | { lc $item[1] } |
16dc9970 |
470 | |
d529894e |
471 | field_type : WORD |
16dc9970 |
472 | |
d529894e |
473 | create_index : /create/i /index/i |
dd2ef5ae |
474 | |
d529894e |
475 | not_null : /not/i /null/i { $return = 0 } |
16dc9970 |
476 | |
d529894e |
477 | unsigned : /unsigned/i { $return = 0 } |
16dc9970 |
478 | |
09fa21a6 |
479 | #default_val : /default/i /(?:')?[\s\w\d:.-]*(?:')?/ |
480 | # { |
481 | # $item[2] =~ s/'//g; |
482 | # $return = $item[2]; |
483 | # } |
484 | |
485 | default_val : /default/i /'(?:.*?\\')*.*?'|(?:')?[\w\d:.-]*(?:')?/ |
486 | { |
487 | $item[2] =~ s/^\s*'|'\s*$//g; |
d529894e |
488 | $return = $item[2]; |
489 | } |
16dc9970 |
490 | |
d529894e |
491 | auto_inc : /auto_increment/i { 1 } |
16dc9970 |
492 | |
d529894e |
493 | primary_key : /primary/i /key/i { 1 } |
16dc9970 |
494 | |
f2cf1734 |
495 | constraint : primary_key_def |
496 | | unique_key_def |
497 | | foreign_key_def |
498 | | <error> |
499 | |
02a21f1a |
500 | foreign_key_def : foreign_key_def_begin parens_field_list reference_definition |
40c1ade1 |
501 | { |
502 | $return = { |
f2cf1734 |
503 | supertype => 'constraint', |
40c1ade1 |
504 | type => 'foreign_key', |
02a21f1a |
505 | name => $item[1], |
09fa21a6 |
506 | fields => $item[2], |
40c1ade1 |
507 | %{ $item{'reference_definition'} }, |
508 | } |
509 | } |
510 | |
02a21f1a |
511 | foreign_key_def_begin : /constraint/i /foreign key/i |
512 | { $return = '' } |
513 | | |
514 | /constraint/i WORD /foreign key/i |
515 | { $return = $item[2] } |
516 | | |
517 | /foreign key/i |
518 | { $return = '' } |
40c1ade1 |
519 | |
1853ba82 |
520 | primary_key_def : primary_key index_name(?) '(' name_with_opt_paren(s /,/) ')' |
d529894e |
521 | { |
f2cf1734 |
522 | $return = { |
523 | supertype => 'constraint', |
524 | name => $item{'index_name(?)'}[0], |
525 | type => 'primary_key', |
526 | fields => $item[4], |
58a88238 |
527 | }; |
d529894e |
528 | } |
16dc9970 |
529 | |
f2cf1734 |
530 | unique_key_def : UNIQUE KEY(?) index_name(?) '(' name_with_opt_paren(s /,/) ')' |
d529894e |
531 | { |
f2cf1734 |
532 | $return = { |
533 | supertype => 'constraint', |
534 | name => $item{'index_name(?)'}[0], |
535 | type => 'unique', |
536 | fields => $item[5], |
d529894e |
537 | } |
538 | } |
16dc9970 |
539 | |
f2cf1734 |
540 | normal_index : KEY index_name(?) '(' name_with_opt_paren(s /,/) ')' |
d529894e |
541 | { |
f2cf1734 |
542 | $return = { |
543 | supertype => 'index', |
544 | type => 'normal', |
545 | name => $item{'index_name(?)'}[0], |
546 | fields => $item[4], |
d529894e |
547 | } |
548 | } |
16dc9970 |
549 | |
f2cf1734 |
550 | fulltext_index : /fulltext/i KEY(?) index_name(?) '(' name_with_opt_paren(s /,/) ')' |
371f5f88 |
551 | { |
f2cf1734 |
552 | $return = { |
553 | supertype => 'index', |
554 | type => 'fulltext', |
555 | name => $item{'index_name(?)'}[0], |
556 | fields => $item[5], |
371f5f88 |
557 | } |
558 | } |
559 | |
d529894e |
560 | name_with_opt_paren : NAME parens_value_list(s?) |
561 | { $item[2][0] ? "$item[1]($item[2][0][0])" : $item[1] } |
16dc9970 |
562 | |
f2cf1734 |
563 | UNIQUE : /unique/i { 1 } |
16dc9970 |
564 | |
f2cf1734 |
565 | KEY : /key/i | /index/i |
16dc9970 |
566 | |
02a21f1a |
567 | table_option : WORD /\s*=\s*/ WORD |
d529894e |
568 | { |
02a21f1a |
569 | $return = { $item[1] => $item[3] }; |
d529894e |
570 | } |
16dc9970 |
571 | |
13aec984 |
572 | ADD : /add/i |
573 | |
574 | ALTER : /alter/i |
575 | |
40c1ade1 |
576 | CREATE : /create/i |
577 | |
578 | TEMPORARY : /temporary/i |
579 | |
580 | TABLE : /table/i |
581 | |
d529894e |
582 | WORD : /\w+/ |
16dc9970 |
583 | |
d529894e |
584 | DIGITS : /\d+/ |
16dc9970 |
585 | |
d529894e |
586 | COMMA : ',' |
16dc9970 |
587 | |
d529894e |
588 | NAME : "`" /\w+/ "`" |
589 | { $item[2] } |
590 | | /\w+/ |
591 | { $item[1] } |
16dc9970 |
592 | |
d529894e |
593 | VALUE : /[-+]?\.?\d+(?:[eE]\d+)?/ |
594 | { $item[1] } |
f2cf1734 |
595 | | /'.*?'/ |
596 | { |
597 | # remove leading/trailing quotes |
598 | my $val = $item[1]; |
599 | $val =~ s/^['"]|['"]$//g; |
600 | $return = $val; |
601 | } |
d529894e |
602 | | /NULL/ |
603 | { 'NULL' } |
16dc9970 |
604 | |
d529894e |
605 | !; |
16dc9970 |
606 | |
d529894e |
607 | # ------------------------------------------------------------------- |
608 | sub parse { |
70944bc5 |
609 | my ( $translator, $data ) = @_; |
40c1ade1 |
610 | my $parser = Parse::RecDescent->new($GRAMMAR); |
077ebf34 |
611 | |
e099bee9 |
612 | local $::RD_TRACE = $translator->trace ? 1 : undef; |
613 | local $DEBUG = $translator->debug; |
d529894e |
614 | |
615 | unless (defined $parser) { |
616 | return $translator->error("Error instantiating Parse::RecDescent ". |
617 | "instance: Bad grammer"); |
618 | } |
619 | |
620 | my $result = $parser->startrule($data); |
40c1ade1 |
621 | return $translator->error( "Parse failed." ) unless defined $result; |
13aec984 |
622 | warn "Parse result:".Dumper( $result ) if $DEBUG; |
8ccdeb42 |
623 | |
70944bc5 |
624 | my $schema = $translator->schema; |
13aec984 |
625 | $schema->name($result->{'database_name'}) if $result->{'database_name'}; |
626 | |
034ecdec |
627 | my @tables = sort { |
13aec984 |
628 | $result->{'tables'}{ $a }{'order'} |
629 | <=> |
630 | $result->{'tables'}{ $b }{'order'} |
631 | } keys %{ $result->{'tables'} }; |
034ecdec |
632 | |
633 | for my $table_name ( @tables ) { |
13aec984 |
634 | my $tdata = $result->{tables}{ $table_name }; |
8ccdeb42 |
635 | my $table = $schema->add_table( |
636 | name => $tdata->{'table_name'}, |
40c1ade1 |
637 | ) or die $schema->error; |
8ccdeb42 |
638 | |
734dfc91 |
639 | $table->comments( $tdata->{'comments'} ); |
f2cf1734 |
640 | |
8ccdeb42 |
641 | my @fields = sort { |
642 | $tdata->{'fields'}->{$a}->{'order'} |
643 | <=> |
644 | $tdata->{'fields'}->{$b}->{'order'} |
645 | } keys %{ $tdata->{'fields'} }; |
646 | |
647 | for my $fname ( @fields ) { |
648 | my $fdata = $tdata->{'fields'}{ $fname }; |
649 | my $field = $table->add_field( |
650 | name => $fdata->{'name'}, |
651 | data_type => $fdata->{'data_type'}, |
652 | size => $fdata->{'size'}, |
653 | default_value => $fdata->{'default'}, |
654 | is_auto_increment => $fdata->{'is_auto_inc'}, |
655 | is_nullable => $fdata->{'null'}, |
88b89793 |
656 | comments => $fdata->{'comments'}, |
40c1ade1 |
657 | ) or die $table->error; |
f2cf1734 |
658 | |
659 | $table->primary_key( $field->name ) if $fdata->{'is_primary_key'}; |
660 | |
661 | for my $qual ( qw[ binary unsigned zerofill list ] ) { |
662 | if ( my $val = $fdata->{ $qual } || $fdata->{ uc $qual } ) { |
663 | next if ref $val eq 'ARRAY' && !@$val; |
664 | $field->extra( $qual, $val ); |
665 | } |
666 | } |
667 | |
668 | if ( $field->data_type =~ /(set|enum)/i && !$field->size ) { |
669 | my %extra = $field->extra; |
d14fe688 |
670 | my $longest = 0; |
f2cf1734 |
671 | for my $len ( map { length } @{ $extra{'list'} || [] } ) { |
672 | $longest = $len if $len > $longest; |
673 | } |
674 | $field->size( $longest ) if $longest; |
675 | } |
676 | |
677 | for my $cdata ( @{ $fdata->{'constraints'} } ) { |
678 | next unless $cdata->{'type'} eq 'foreign_key'; |
679 | $cdata->{'fields'} ||= [ $field->name ]; |
680 | push @{ $tdata->{'constraints'} }, $cdata; |
681 | } |
682 | } |
683 | |
684 | for my $idata ( @{ $tdata->{'indices'} || [] } ) { |
685 | my $index = $table->add_index( |
686 | name => $idata->{'name'}, |
687 | type => uc $idata->{'type'}, |
688 | fields => $idata->{'fields'}, |
689 | ) or die $table->error; |
690 | } |
691 | |
02a21f1a |
692 | if ( my @options = @{ $tdata->{'table_options'} || [] } ) { |
693 | $table->options( \@options ) or die $table->error; |
694 | } |
695 | |
f2cf1734 |
696 | for my $cdata ( @{ $tdata->{'constraints'} || [] } ) { |
697 | my $constraint = $table->add_constraint( |
698 | name => $cdata->{'name'}, |
699 | type => $cdata->{'type'}, |
700 | fields => $cdata->{'fields'}, |
701 | reference_table => $cdata->{'reference_table'}, |
702 | reference_fields => $cdata->{'reference_fields'}, |
703 | match_type => $cdata->{'match_type'} || '', |
704 | on_delete => $cdata->{'on_delete_do'}, |
705 | on_update => $cdata->{'on_update_do'}, |
706 | ) or die $table->error; |
8ccdeb42 |
707 | } |
708 | } |
709 | |
f62bd16c |
710 | return 1; |
d529894e |
711 | } |
712 | |
713 | 1; |
714 | |
034ecdec |
715 | # ------------------------------------------------------------------- |
d529894e |
716 | # Where man is not nature is barren. |
717 | # William Blake |
034ecdec |
718 | # ------------------------------------------------------------------- |
16dc9970 |
719 | |
d529894e |
720 | =pod |
16dc9970 |
721 | |
722 | =head1 AUTHOR |
723 | |
d529894e |
724 | Ken Y. Clark E<lt>kclark@cpan.orgE<gt>, |
8ccdeb42 |
725 | Chris Mungall E<lt>cjm@fruitfly.orgE<gt>. |
16dc9970 |
726 | |
727 | =head1 SEE ALSO |
728 | |
8ccdeb42 |
729 | perl(1), Parse::RecDescent, SQL::Translator::Schema. |
16dc9970 |
730 | |
731 | =cut |