Commit | Line | Data |
16dc9970 |
1 | package SQL::Translator::Parser::MySQL; |
2 | |
49e1eb70 |
3 | # ------------------------------------------------------------------- |
d31c185b |
4 | # $Id: MySQL.pm,v 1.58 2007-03-19 17:15:24 duality72 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 ]; |
d31c185b |
137 | $VERSION = sprintf "%d.%02d", q$Revision: 1.58 $ =~ /(\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 | |
d31c185b |
152 | use constant DEFAULT_PARSER_VERSION => 30000; |
153 | |
9bf756df |
154 | $GRAMMAR = << 'END_OF_GRAMMAR'; |
d529894e |
155 | |
8ccdeb42 |
156 | { |
d31c185b |
157 | my ( $database_name, %tables, $table_order, @table_comments, %views, $view_order, %procedures, $proc_order ); |
86318717 |
158 | my $delimiter = ';'; |
8ccdeb42 |
159 | } |
d529894e |
160 | |
629b76f9 |
161 | # |
162 | # The "eofile" rule makes the parser fail if any "statement" rule |
163 | # fails. Otherwise, the first successful match by a "statement" |
164 | # won't cause the failure needed to know that the parse, as a whole, |
165 | # failed. -ky |
166 | # |
13aec984 |
167 | startrule : statement(s) eofile { |
d31c185b |
168 | { tables => \%tables, database_name => $database_name, views => \%views, procedures =>\%procedures } |
13aec984 |
169 | } |
629b76f9 |
170 | |
171 | eofile : /^\Z/ |
d529894e |
172 | |
173 | statement : comment |
dcb4fa06 |
174 | | use |
33d0d6d4 |
175 | | set |
61745327 |
176 | | drop |
d529894e |
177 | | create |
13aec984 |
178 | | alter |
179 | | insert |
86318717 |
180 | | delimiter |
181 | | empty_statement |
d529894e |
182 | | <error> |
183 | |
86318717 |
184 | use : /use/i WORD "$delimiter" |
13aec984 |
185 | { |
186 | $database_name = $item[2]; |
187 | @table_comments = (); |
188 | } |
dcb4fa06 |
189 | |
86318717 |
190 | set : /set/i /[^;]+/ "$delimiter" |
c5dabd71 |
191 | { @table_comments = () } |
734dfc91 |
192 | |
86318717 |
193 | drop : /drop/i TABLE /[^;]+/ "$delimiter" |
33d0d6d4 |
194 | |
86318717 |
195 | drop : /drop/i WORD(s) "$delimiter" |
c5dabd71 |
196 | { @table_comments = () } |
61745327 |
197 | |
9bf756df |
198 | string : |
199 | # MySQL strings, unlike common SQL strings, can be double-quoted or |
200 | # single-quoted, and you can escape the delmiters by doubling (but only the |
201 | # delimiter) or by backslashing. |
202 | |
203 | /'(\\.|''|[^\\\'])*'/ | |
204 | /"(\\.|""|[^\\\"])*"/ |
205 | # For reference, std sql str: /(?:(?:\')(?:[^\']*(?:(?:\'\')[^\']*)*)(?:\'))// |
206 | |
207 | nonstring : /[^;\'"]+/ |
208 | |
209 | statement_body : (string | nonstring)(s?) |
210 | |
86318717 |
211 | insert : /insert/i statement_body "$delimiter" |
13aec984 |
212 | |
86318717 |
213 | delimiter : /delimiter/i /[\S]+/ |
214 | { $delimiter = $item[2] } |
215 | |
216 | empty_statement : "$delimiter" |
217 | |
218 | alter : ALTER TABLE table_name alter_specification(s /,/) "$delimiter" |
13aec984 |
219 | { |
220 | my $table_name = $item{'table_name'}; |
221 | die "Cannot ALTER table '$table_name'; it does not exist" |
222 | unless $tables{ $table_name }; |
223 | for my $definition ( @{ $item[4] } ) { |
224 | $definition->{'extra'}->{'alter'} = 1; |
225 | push @{ $tables{ $table_name }{'constraints'} }, $definition; |
226 | } |
227 | } |
228 | |
229 | alter_specification : ADD foreign_key_def |
230 | { $return = $item[2] } |
231 | |
86318717 |
232 | create : CREATE /database/i WORD "$delimiter" |
c5dabd71 |
233 | { @table_comments = () } |
dcb4fa06 |
234 | |
86318717 |
235 | create : CREATE TEMPORARY(?) TABLE opt_if_not_exists(?) table_name '(' create_definition(s /,/) /(,\s*)?\)/ table_option(s?) "$delimiter" |
d529894e |
236 | { |
237 | my $table_name = $item{'table_name'}; |
238 | $tables{ $table_name }{'order'} = ++$table_order; |
239 | $tables{ $table_name }{'table_name'} = $table_name; |
240 | |
734dfc91 |
241 | if ( @table_comments ) { |
242 | $tables{ $table_name }{'comments'} = [ @table_comments ]; |
243 | @table_comments = (); |
244 | } |
245 | |
61745327 |
246 | my $i = 1; |
40c1ade1 |
247 | for my $definition ( @{ $item[7] } ) { |
f2cf1734 |
248 | if ( $definition->{'supertype'} eq 'field' ) { |
d529894e |
249 | my $field_name = $definition->{'name'}; |
250 | $tables{ $table_name }{'fields'}{ $field_name } = |
251 | { %$definition, order => $i }; |
252 | $i++; |
253 | |
254 | if ( $definition->{'is_primary_key'} ) { |
f2cf1734 |
255 | push @{ $tables{ $table_name }{'constraints'} }, |
d529894e |
256 | { |
257 | type => 'primary_key', |
258 | fields => [ $field_name ], |
16dc9970 |
259 | } |
d529894e |
260 | ; |
261 | } |
dd2ef5ae |
262 | } |
f2cf1734 |
263 | elsif ( $definition->{'supertype'} eq 'constraint' ) { |
f2cf1734 |
264 | push @{ $tables{ $table_name }{'constraints'} }, $definition; |
40c1ade1 |
265 | } |
f2cf1734 |
266 | elsif ( $definition->{'supertype'} eq 'index' ) { |
734dfc91 |
267 | push @{ $tables{ $table_name }{'indices'} }, $definition; |
dd2ef5ae |
268 | } |
d529894e |
269 | } |
dd2ef5ae |
270 | |
02a21f1a |
271 | if ( my @options = @{ $item{'table_option(s?)'} } ) { |
35843e6b |
272 | for my $option ( @options ) { |
273 | my ( $key, $value ) = each %$option; |
274 | if ( $key eq 'comment' ) { |
275 | push @{ $tables{ $table_name }{'comments'} }, $value; |
276 | } |
277 | else { |
278 | push @{ $tables{ $table_name }{'table_options'} }, $option; |
279 | } |
280 | } |
d529894e |
281 | } |
58a88238 |
282 | |
283 | 1; |
d529894e |
284 | } |
dd2ef5ae |
285 | |
40c1ade1 |
286 | opt_if_not_exists : /if not exists/i |
287 | |
86318717 |
288 | create : CREATE UNIQUE(?) /(index|key)/i index_name /on/i table_name '(' field_name(s /,/) ')' "$delimiter" |
d529894e |
289 | { |
734dfc91 |
290 | @table_comments = (); |
d529894e |
291 | push @{ $tables{ $item{'table_name'} }{'indices'} }, |
292 | { |
293 | name => $item[4], |
294 | type => $item[2] ? 'unique' : 'normal', |
295 | fields => $item[8], |
dd2ef5ae |
296 | } |
d529894e |
297 | ; |
298 | } |
dd2ef5ae |
299 | |
d31c185b |
300 | create : CREATE /trigger/i NAME not_delimiter "$delimiter" |
301 | { |
302 | @table_comments = (); |
303 | } |
304 | |
305 | create : CREATE PROCEDURE NAME not_delimiter "$delimiter" |
306 | { |
307 | @table_comments = (); |
308 | my $func_name = $item[3]; |
309 | my $owner = ''; |
310 | my $sql = "$item[1] $item[2] $item[3] $item[4]"; |
311 | |
312 | $procedures{ $func_name }{'order'} = ++$proc_order; |
313 | $procedures{ $func_name }{'name'} = $func_name; |
314 | $procedures{ $func_name }{'owner'} = $owner; |
315 | $procedures{ $func_name }{'sql'} = $sql; |
316 | } |
317 | |
318 | PROCEDURE : /procedure/i |
319 | | /function/i |
320 | |
321 | create : CREATE algorithm /view/i NAME not_delimiter "$delimiter" |
322 | { |
323 | @table_comments = (); |
324 | my $view_name = $item[4]; |
325 | my $sql = "$item[1] $item[2] $item[3] $item[4] $item[5]"; |
326 | |
327 | # Hack to strip database from function calls in SQL |
328 | $sql =~ s#`\w+`\.(`\w+`\()##g; |
329 | |
330 | $views{ $view_name }{'order'} = ++$view_order; |
331 | $views{ $view_name }{'name'} = $view_name; |
332 | $views{ $view_name }{'sql'} = $sql; |
333 | } |
334 | |
335 | algorithm : /algorithm/i /=/ WORD |
336 | { |
337 | $return = "$item[1]=$item[3]"; |
338 | } |
339 | |
340 | not_delimiter : /.*?(?=$delimiter)/is |
341 | |
f2cf1734 |
342 | create_definition : constraint |
343 | | index |
d529894e |
344 | | field |
02a21f1a |
345 | | comment |
d529894e |
346 | | <error> |
347 | |
734dfc91 |
348 | comment : /^\s*(?:#|-{2}).*\n/ |
349 | { |
350 | my $comment = $item[1]; |
a82fa2cb |
351 | $comment =~ s/^\s*(#|--)\s*//; |
734dfc91 |
352 | $comment =~ s/\s*$//; |
353 | $return = $comment; |
734dfc91 |
354 | } |
355 | |
da9f2af8 |
356 | comment : /\/\*/ /.*?\*\//s |
e78d62f2 |
357 | { |
358 | my $comment = $item[2]; |
73212389 |
359 | $comment = substr($comment, 0, -2); |
e78d62f2 |
360 | $comment =~ s/^\s*|\s*$//g; |
361 | $return = $comment; |
362 | } |
86318717 |
363 | |
734dfc91 |
364 | field_comment : /^\s*(?:#|-{2}).*\n/ |
365 | { |
366 | my $comment = $item[1]; |
a82fa2cb |
367 | $comment =~ s/^\s*(#|--)\s*//; |
734dfc91 |
368 | $comment =~ s/\s*$//; |
369 | $return = $comment; |
370 | } |
d529894e |
371 | |
35843e6b |
372 | |
373 | field_comment2 : /comment/i /'.*?'/ |
374 | { |
375 | my $comment = $item[2]; |
376 | $comment =~ s/^'//; |
377 | $comment =~ s/'$//; |
378 | $return = $comment; |
379 | } |
380 | |
d529894e |
381 | blank : /\s*/ |
382 | |
100684f3 |
383 | field : field_comment(s?) field_name data_type field_qualifier(s?) field_comment2(?) reference_definition(?) on_update(?) field_comment(s?) |
d529894e |
384 | { |
734dfc91 |
385 | my %qualifiers = map { %$_ } @{ $item{'field_qualifier(s?)'} || [] }; |
d529894e |
386 | if ( my @type_quals = @{ $item{'data_type'}{'qualifiers'} || [] } ) { |
387 | $qualifiers{ $_ } = 1 for @type_quals; |
388 | } |
389 | |
c5dabd71 |
390 | my $null = defined $qualifiers{'not_null'} |
391 | ? $qualifiers{'not_null'} : 1; |
392 | delete $qualifiers{'not_null'}; |
393 | |
35843e6b |
394 | my @comments = ( @{ $item[1] }, @{ $item[5] }, @{ $item[8] } ); |
88b89793 |
395 | |
d529894e |
396 | $return = { |
f2cf1734 |
397 | supertype => 'field', |
398 | name => $item{'field_name'}, |
399 | data_type => $item{'data_type'}{'type'}, |
400 | size => $item{'data_type'}{'size'}, |
401 | list => $item{'data_type'}{'list'}, |
402 | null => $null, |
403 | constraints => $item{'reference_definition(?)'}, |
88b89793 |
404 | comments => [ @comments ], |
d529894e |
405 | %qualifiers, |
406 | } |
407 | } |
408 | | <error> |
dd2ef5ae |
409 | |
d529894e |
410 | field_qualifier : not_null |
411 | { |
412 | $return = { |
413 | null => $item{'not_null'}, |
414 | } |
415 | } |
16dc9970 |
416 | |
d529894e |
417 | field_qualifier : default_val |
418 | { |
419 | $return = { |
420 | default => $item{'default_val'}, |
421 | } |
422 | } |
16dc9970 |
423 | |
d529894e |
424 | field_qualifier : auto_inc |
425 | { |
426 | $return = { |
427 | is_auto_inc => $item{'auto_inc'}, |
428 | } |
429 | } |
16dc9970 |
430 | |
d529894e |
431 | field_qualifier : primary_key |
432 | { |
433 | $return = { |
434 | is_primary_key => $item{'primary_key'}, |
435 | } |
436 | } |
16dc9970 |
437 | |
d529894e |
438 | field_qualifier : unsigned |
439 | { |
440 | $return = { |
441 | is_unsigned => $item{'unsigned'}, |
442 | } |
443 | } |
16dc9970 |
444 | |
19c5bc53 |
445 | field_qualifier : /character set/i WORD |
095b4549 |
446 | { |
447 | $return = { |
bd30a9a2 |
448 | 'CHARACTER SET' => $item[2], |
449 | } |
450 | } |
451 | |
452 | field_qualifier : /collate/i WORD |
453 | { |
454 | $return = { |
455 | COLLATE => $item[2], |
456 | } |
457 | } |
458 | |
459 | field_qualifier : /on update/i CURRENT_TIMESTAMP |
460 | { |
461 | $return = { |
462 | 'ON UPDATE' => $item[2], |
095b4549 |
463 | } |
464 | } |
465 | |
bd356af8 |
466 | field_qualifier : /unique/i KEY(?) |
467 | { |
468 | $return = { |
469 | is_unique => 1, |
470 | } |
471 | } |
472 | |
473 | field_qualifier : KEY |
474 | { |
475 | $return = { |
476 | has_index => 1, |
477 | } |
478 | } |
479 | |
100684f3 |
480 | reference_definition : /references/i table_name parens_field_list(?) match_type(?) on_delete(?) on_update(?) |
658637cd |
481 | { |
40c1ade1 |
482 | $return = { |
658637cd |
483 | type => 'foreign_key', |
484 | reference_table => $item[2], |
485 | reference_fields => $item[3][0], |
486 | match_type => $item[4][0], |
100684f3 |
487 | on_delete => $item[5][0], |
488 | on_update => $item[6][0], |
658637cd |
489 | } |
490 | } |
491 | |
02a21f1a |
492 | match_type : /match full/i { 'full' } |
658637cd |
493 | | |
02a21f1a |
494 | /match partial/i { 'partial' } |
658637cd |
495 | |
100684f3 |
496 | on_delete : /on delete/i reference_option |
658637cd |
497 | { $item[2] } |
498 | |
100684f3 |
499 | on_update : |
6fa97af6 |
500 | /on update/i 'CURRENT_TIMESTAMP' |
501 | { $item[2] } |
502 | | |
503 | /on update/i reference_option |
658637cd |
504 | { $item[2] } |
505 | |
506 | reference_option: /restrict/i | |
507 | /cascade/i | |
508 | /set null/i | |
509 | /no action/i | |
510 | /set default/i |
511 | { $item[1] } |
512 | |
f2cf1734 |
513 | index : normal_index |
371f5f88 |
514 | | fulltext_index |
58a88238 |
515 | | <error> |
d529894e |
516 | |
0d41bc9b |
517 | table_name : NAME |
d529894e |
518 | |
0d41bc9b |
519 | field_name : NAME |
d529894e |
520 | |
02a21f1a |
521 | index_name : NAME |
d529894e |
522 | |
523 | data_type : WORD parens_value_list(s?) type_qualifier(s?) |
524 | { |
525 | my $type = $item[1]; |
526 | my $size; # field size, applicable only to non-set fields |
527 | my $list; # set list, applicable only to sets (duh) |
528 | |
44fcd0b5 |
529 | if ( uc($type) =~ /^(SET|ENUM)$/ ) { |
d529894e |
530 | $size = undef; |
531 | $list = $item[2][0]; |
532 | } |
533 | else { |
534 | $size = $item[2][0]; |
535 | $list = []; |
536 | } |
537 | |
4d438549 |
538 | if ( @{ $size || [] } == 0 && !$thisparser->{local}{sqlt_parser_args}{no_default_sizes} ) { |
6333c482 |
539 | if ( lc $type eq 'tinyint' ) { |
7898fb70 |
540 | $size = 4; |
6333c482 |
541 | } |
542 | elsif ( lc $type eq 'smallint' ) { |
7898fb70 |
543 | $size = 6; |
6333c482 |
544 | } |
545 | elsif ( lc $type eq 'mediumint' ) { |
7898fb70 |
546 | $size = 9; |
6333c482 |
547 | } |
e78d62f2 |
548 | elsif ( $type =~ /^int(eger)?$/i ) { |
f2cf1734 |
549 | $type = 'int'; |
7898fb70 |
550 | $size = 11; |
6333c482 |
551 | } |
552 | elsif ( lc $type eq 'bigint' ) { |
7898fb70 |
553 | $size = 20; |
6333c482 |
554 | } |
1eb08c80 |
555 | elsif ( |
556 | lc $type =~ /(float|double|decimal|numeric|real|fixed|dec)/ |
557 | ) { |
6333c482 |
558 | $size = [8,2]; |
559 | } |
560 | } |
561 | |
7898fb70 |
562 | if ( $type =~ /^tiny(text|blob)$/i ) { |
563 | $size = 255; |
256d534a |
564 | } |
7898fb70 |
565 | elsif ( $type =~ /^(blob|text)$/i ) { |
566 | $size = 65_535; |
256d534a |
567 | } |
7898fb70 |
568 | elsif ( $type =~ /^medium(blob|text)$/i ) { |
569 | $size = 16_777_215; |
256d534a |
570 | } |
7898fb70 |
571 | elsif ( $type =~ /^long(blob|text)$/i ) { |
572 | $size = 4_294_967_295; |
256d534a |
573 | } |
574 | |
d529894e |
575 | $return = { |
576 | type => $type, |
577 | size => $size, |
578 | list => $list, |
579 | qualifiers => $item[3], |
580 | } |
581 | } |
16dc9970 |
582 | |
658637cd |
583 | parens_field_list : '(' field_name(s /,/) ')' |
584 | { $item[2] } |
585 | |
d529894e |
586 | parens_value_list : '(' VALUE(s /,/) ')' |
587 | { $item[2] } |
16dc9970 |
588 | |
d529894e |
589 | type_qualifier : /(BINARY|UNSIGNED|ZEROFILL)/i |
590 | { lc $item[1] } |
16dc9970 |
591 | |
d529894e |
592 | field_type : WORD |
16dc9970 |
593 | |
d529894e |
594 | create_index : /create/i /index/i |
dd2ef5ae |
595 | |
e78d62f2 |
596 | not_null : /not/i /null/i |
597 | { $return = 0 } |
598 | | |
599 | /null/i |
600 | { $return = 1 } |
16dc9970 |
601 | |
d529894e |
602 | unsigned : /unsigned/i { $return = 0 } |
16dc9970 |
603 | |
09fa21a6 |
604 | #default_val : /default/i /(?:')?[\s\w\d:.-]*(?:')?/ |
605 | # { |
606 | # $item[2] =~ s/'//g; |
607 | # $return = $item[2]; |
608 | # } |
609 | |
6fa97af6 |
610 | default_val : |
611 | /default/i 'CURRENT_TIMESTAMP' |
612 | { |
613 | $return = $item[2]; |
614 | } |
615 | | |
616 | /default/i /'(?:.*?\\')*.*?'|(?:')?[\w\d:.-]*(?:')?/ |
09fa21a6 |
617 | { |
618 | $item[2] =~ s/^\s*'|'\s*$//g; |
d529894e |
619 | $return = $item[2]; |
620 | } |
16dc9970 |
621 | |
d529894e |
622 | auto_inc : /auto_increment/i { 1 } |
16dc9970 |
623 | |
d529894e |
624 | primary_key : /primary/i /key/i { 1 } |
16dc9970 |
625 | |
f2cf1734 |
626 | constraint : primary_key_def |
627 | | unique_key_def |
628 | | foreign_key_def |
629 | | <error> |
630 | |
02a21f1a |
631 | foreign_key_def : foreign_key_def_begin parens_field_list reference_definition |
40c1ade1 |
632 | { |
633 | $return = { |
f2cf1734 |
634 | supertype => 'constraint', |
40c1ade1 |
635 | type => 'foreign_key', |
02a21f1a |
636 | name => $item[1], |
09fa21a6 |
637 | fields => $item[2], |
40c1ade1 |
638 | %{ $item{'reference_definition'} }, |
639 | } |
640 | } |
641 | |
e78d62f2 |
642 | foreign_key_def_begin : /constraint/i /foreign key/i WORD |
643 | { $return = $item[3] } |
644 | | |
645 | /constraint/i NAME /foreign key/i |
646 | { $return = $item[2] } |
647 | | |
648 | /constraint/i /foreign key/i |
02a21f1a |
649 | { $return = '' } |
650 | | |
e78d62f2 |
651 | /foreign key/i WORD |
02a21f1a |
652 | { $return = $item[2] } |
653 | | |
654 | /foreign key/i |
655 | { $return = '' } |
40c1ade1 |
656 | |
1853ba82 |
657 | primary_key_def : primary_key index_name(?) '(' name_with_opt_paren(s /,/) ')' |
d529894e |
658 | { |
f2cf1734 |
659 | $return = { |
660 | supertype => 'constraint', |
661 | name => $item{'index_name(?)'}[0], |
662 | type => 'primary_key', |
663 | fields => $item[4], |
58a88238 |
664 | }; |
d529894e |
665 | } |
16dc9970 |
666 | |
f2cf1734 |
667 | unique_key_def : UNIQUE KEY(?) index_name(?) '(' name_with_opt_paren(s /,/) ')' |
d529894e |
668 | { |
f2cf1734 |
669 | $return = { |
670 | supertype => 'constraint', |
671 | name => $item{'index_name(?)'}[0], |
672 | type => 'unique', |
673 | fields => $item[5], |
d529894e |
674 | } |
675 | } |
16dc9970 |
676 | |
f2cf1734 |
677 | normal_index : KEY index_name(?) '(' name_with_opt_paren(s /,/) ')' |
d529894e |
678 | { |
f2cf1734 |
679 | $return = { |
680 | supertype => 'index', |
681 | type => 'normal', |
682 | name => $item{'index_name(?)'}[0], |
683 | fields => $item[4], |
d529894e |
684 | } |
685 | } |
16dc9970 |
686 | |
f2cf1734 |
687 | fulltext_index : /fulltext/i KEY(?) index_name(?) '(' name_with_opt_paren(s /,/) ')' |
371f5f88 |
688 | { |
f2cf1734 |
689 | $return = { |
690 | supertype => 'index', |
691 | type => 'fulltext', |
692 | name => $item{'index_name(?)'}[0], |
693 | fields => $item[5], |
371f5f88 |
694 | } |
695 | } |
696 | |
d529894e |
697 | name_with_opt_paren : NAME parens_value_list(s?) |
698 | { $item[2][0] ? "$item[1]($item[2][0][0])" : $item[1] } |
16dc9970 |
699 | |
f2cf1734 |
700 | UNIQUE : /unique/i { 1 } |
16dc9970 |
701 | |
f2cf1734 |
702 | KEY : /key/i | /index/i |
16dc9970 |
703 | |
19c5bc53 |
704 | table_option : /comment/i /=/ /'.*?'/ |
35843e6b |
705 | { |
706 | my $comment = $item[3]; |
707 | $comment =~ s/^'//; |
708 | $comment =~ s/'$//; |
709 | $return = { comment => $comment }; |
710 | } |
bd30a9a2 |
711 | | /(default )?(charset|character set)/i /\s*=\s*/ WORD |
d529894e |
712 | { |
bd30a9a2 |
713 | $return = { 'CHARACTER SET' => $item[3] }; |
d529894e |
714 | } |
19c5bc53 |
715 | | WORD /\s*=\s*/ WORD |
716 | { |
717 | $return = { $item[1] => $item[3] }; |
718 | } |
bd30a9a2 |
719 | |
720 | default : /default/i |
16dc9970 |
721 | |
13aec984 |
722 | ADD : /add/i |
723 | |
724 | ALTER : /alter/i |
725 | |
40c1ade1 |
726 | CREATE : /create/i |
727 | |
728 | TEMPORARY : /temporary/i |
729 | |
730 | TABLE : /table/i |
731 | |
d529894e |
732 | WORD : /\w+/ |
16dc9970 |
733 | |
d529894e |
734 | DIGITS : /\d+/ |
16dc9970 |
735 | |
d529894e |
736 | COMMA : ',' |
16dc9970 |
737 | |
d529894e |
738 | NAME : "`" /\w+/ "`" |
739 | { $item[2] } |
740 | | /\w+/ |
741 | { $item[1] } |
16dc9970 |
742 | |
d529894e |
743 | VALUE : /[-+]?\.?\d+(?:[eE]\d+)?/ |
744 | { $item[1] } |
f2cf1734 |
745 | | /'.*?'/ |
746 | { |
747 | # remove leading/trailing quotes |
748 | my $val = $item[1]; |
749 | $val =~ s/^['"]|['"]$//g; |
750 | $return = $val; |
751 | } |
d529894e |
752 | | /NULL/ |
753 | { 'NULL' } |
16dc9970 |
754 | |
bd30a9a2 |
755 | CURRENT_TIMESTAMP : /current_timestamp(\(\))?/i |
756 | | /now\(\)/i |
757 | { 'CURRENT_TIMESTAMP' } |
758 | |
9bf756df |
759 | END_OF_GRAMMAR |
16dc9970 |
760 | |
d529894e |
761 | # ------------------------------------------------------------------- |
762 | sub parse { |
70944bc5 |
763 | my ( $translator, $data ) = @_; |
40c1ade1 |
764 | my $parser = Parse::RecDescent->new($GRAMMAR); |
077ebf34 |
765 | |
e099bee9 |
766 | local $::RD_TRACE = $translator->trace ? 1 : undef; |
767 | local $DEBUG = $translator->debug; |
d529894e |
768 | |
769 | unless (defined $parser) { |
770 | return $translator->error("Error instantiating Parse::RecDescent ". |
771 | "instance: Bad grammer"); |
772 | } |
4d438549 |
773 | |
774 | # This is the only way to get args into the productions/actions |
775 | $parser->{local}{sqlt_parser_args} = $translator->parser_args; |
d31c185b |
776 | |
777 | # Preprocess for MySQL-specific and not-before-version comments from mysqldump |
778 | my $parser_version = $translator->parser_args->{mysql_parser_version} || DEFAULT_PARSER_VERSION; |
779 | while ( $data =~ s#/\*!(\d{5})?(.*?)\*/#($1 && $1 > $parser_version ? '' : $2)#es ) {} |
d529894e |
780 | |
781 | my $result = $parser->startrule($data); |
40c1ade1 |
782 | return $translator->error( "Parse failed." ) unless defined $result; |
13aec984 |
783 | warn "Parse result:".Dumper( $result ) if $DEBUG; |
8ccdeb42 |
784 | |
70944bc5 |
785 | my $schema = $translator->schema; |
13aec984 |
786 | $schema->name($result->{'database_name'}) if $result->{'database_name'}; |
787 | |
034ecdec |
788 | my @tables = sort { |
13aec984 |
789 | $result->{'tables'}{ $a }{'order'} |
790 | <=> |
791 | $result->{'tables'}{ $b }{'order'} |
792 | } keys %{ $result->{'tables'} }; |
034ecdec |
793 | |
794 | for my $table_name ( @tables ) { |
13aec984 |
795 | my $tdata = $result->{tables}{ $table_name }; |
8ccdeb42 |
796 | my $table = $schema->add_table( |
797 | name => $tdata->{'table_name'}, |
40c1ade1 |
798 | ) or die $schema->error; |
8ccdeb42 |
799 | |
734dfc91 |
800 | $table->comments( $tdata->{'comments'} ); |
f2cf1734 |
801 | |
8ccdeb42 |
802 | my @fields = sort { |
803 | $tdata->{'fields'}->{$a}->{'order'} |
804 | <=> |
805 | $tdata->{'fields'}->{$b}->{'order'} |
806 | } keys %{ $tdata->{'fields'} }; |
807 | |
808 | for my $fname ( @fields ) { |
809 | my $fdata = $tdata->{'fields'}{ $fname }; |
810 | my $field = $table->add_field( |
811 | name => $fdata->{'name'}, |
812 | data_type => $fdata->{'data_type'}, |
813 | size => $fdata->{'size'}, |
814 | default_value => $fdata->{'default'}, |
815 | is_auto_increment => $fdata->{'is_auto_inc'}, |
816 | is_nullable => $fdata->{'null'}, |
88b89793 |
817 | comments => $fdata->{'comments'}, |
40c1ade1 |
818 | ) or die $table->error; |
f2cf1734 |
819 | |
820 | $table->primary_key( $field->name ) if $fdata->{'is_primary_key'}; |
821 | |
bd30a9a2 |
822 | for my $qual ( qw[ binary unsigned zerofill list collate ], |
823 | 'character set', 'on update' ) { |
f2cf1734 |
824 | if ( my $val = $fdata->{ $qual } || $fdata->{ uc $qual } ) { |
825 | next if ref $val eq 'ARRAY' && !@$val; |
826 | $field->extra( $qual, $val ); |
827 | } |
828 | } |
829 | |
bd356af8 |
830 | if ( $fdata->{'has_index'} ) { |
831 | $table->add_index( |
832 | name => '', |
833 | type => 'NORMAL', |
834 | fields => $fdata->{'name'}, |
835 | ) or die $table->error; |
836 | } |
837 | |
838 | if ( $fdata->{'is_unique'} ) { |
839 | $table->add_constraint( |
840 | name => '', |
841 | type => 'UNIQUE', |
842 | fields => $fdata->{'name'}, |
843 | ) or die $table->error; |
844 | } |
845 | |
f2cf1734 |
846 | if ( $field->data_type =~ /(set|enum)/i && !$field->size ) { |
847 | my %extra = $field->extra; |
d14fe688 |
848 | my $longest = 0; |
f2cf1734 |
849 | for my $len ( map { length } @{ $extra{'list'} || [] } ) { |
850 | $longest = $len if $len > $longest; |
851 | } |
852 | $field->size( $longest ) if $longest; |
853 | } |
854 | |
855 | for my $cdata ( @{ $fdata->{'constraints'} } ) { |
856 | next unless $cdata->{'type'} eq 'foreign_key'; |
857 | $cdata->{'fields'} ||= [ $field->name ]; |
858 | push @{ $tdata->{'constraints'} }, $cdata; |
859 | } |
860 | } |
861 | |
862 | for my $idata ( @{ $tdata->{'indices'} || [] } ) { |
863 | my $index = $table->add_index( |
864 | name => $idata->{'name'}, |
865 | type => uc $idata->{'type'}, |
866 | fields => $idata->{'fields'}, |
867 | ) or die $table->error; |
868 | } |
869 | |
02a21f1a |
870 | if ( my @options = @{ $tdata->{'table_options'} || [] } ) { |
871 | $table->options( \@options ) or die $table->error; |
872 | } |
873 | |
f2cf1734 |
874 | for my $cdata ( @{ $tdata->{'constraints'} || [] } ) { |
875 | my $constraint = $table->add_constraint( |
876 | name => $cdata->{'name'}, |
877 | type => $cdata->{'type'}, |
878 | fields => $cdata->{'fields'}, |
879 | reference_table => $cdata->{'reference_table'}, |
880 | reference_fields => $cdata->{'reference_fields'}, |
881 | match_type => $cdata->{'match_type'} || '', |
100684f3 |
882 | on_delete => $cdata->{'on_delete'} || $cdata->{'on_delete_do'}, |
883 | on_update => $cdata->{'on_update'} || $cdata->{'on_update_do'}, |
f2cf1734 |
884 | ) or die $table->error; |
8ccdeb42 |
885 | } |
886 | } |
d31c185b |
887 | |
888 | my @procedures = sort { |
889 | $result->{procedures}->{ $a }->{'order'} <=> $result->{procedures}->{ $b }->{'order'} |
890 | } keys %{ $result->{procedures} }; |
891 | foreach my $proc_name (@procedures) { |
892 | $schema->add_procedure( |
893 | name => $proc_name, |
894 | owner => $result->{procedures}->{$proc_name}->{owner}, |
895 | sql => $result->{procedures}->{$proc_name}->{sql}, |
896 | ); |
897 | } |
898 | |
899 | my @views = sort { |
900 | $result->{views}->{ $a }->{'order'} <=> $result->{views}->{ $b }->{'order'} |
901 | } keys %{ $result->{views} }; |
902 | foreach my $view_name (keys %{ $result->{views} }) { |
903 | $schema->add_view( |
904 | name => $view_name, |
905 | sql => $result->{views}->{$view_name}->{sql}, |
906 | ); |
907 | } |
8ccdeb42 |
908 | |
f62bd16c |
909 | return 1; |
d529894e |
910 | } |
911 | |
912 | 1; |
913 | |
034ecdec |
914 | # ------------------------------------------------------------------- |
d529894e |
915 | # Where man is not nature is barren. |
916 | # William Blake |
034ecdec |
917 | # ------------------------------------------------------------------- |
16dc9970 |
918 | |
d529894e |
919 | =pod |
16dc9970 |
920 | |
921 | =head1 AUTHOR |
922 | |
19c5bc53 |
923 | Ken Youens-Clark E<lt>kclark@cpan.orgE<gt>, |
8ccdeb42 |
924 | Chris Mungall E<lt>cjm@fruitfly.orgE<gt>. |
16dc9970 |
925 | |
926 | =head1 SEE ALSO |
927 | |
19c5bc53 |
928 | Parse::RecDescent, SQL::Translator::Schema. |
16dc9970 |
929 | |
930 | =cut |