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16dc9970 |
1 | package SQL::Translator::Parser::MySQL; |
2 | |
d529894e |
3 | =head1 NAME |
4 | |
5 | SQL::Translator::Parser::MySQL - parser for MySQL |
6 | |
7 | =head1 SYNOPSIS |
8 | |
9 | use SQL::Translator; |
10 | use SQL::Translator::Parser::MySQL; |
11 | |
12 | my $translator = SQL::Translator->new; |
13 | $translator->parser("SQL::Translator::Parser::MySQL"); |
14 | |
15 | =head1 DESCRIPTION |
16 | |
17 | The grammar is influenced heavily by Tim Bunce's "mysql2ora" grammar. |
18 | |
629b76f9 |
19 | Here's the word from the MySQL site |
20 | (http://www.mysql.com/doc/en/CREATE_TABLE.html): |
21 | |
22 | CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name [(create_definition,...)] |
23 | [table_options] [select_statement] |
ea93df61 |
24 | |
629b76f9 |
25 | or |
ea93df61 |
26 | |
629b76f9 |
27 | CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name LIKE old_table_name; |
ea93df61 |
28 | |
629b76f9 |
29 | create_definition: |
30 | col_name type [NOT NULL | NULL] [DEFAULT default_value] [AUTO_INCREMENT] |
31 | [PRIMARY KEY] [reference_definition] |
32 | or PRIMARY KEY (index_col_name,...) |
33 | or KEY [index_name] (index_col_name,...) |
34 | or INDEX [index_name] (index_col_name,...) |
35 | or UNIQUE [INDEX] [index_name] (index_col_name,...) |
36 | or FULLTEXT [INDEX] [index_name] (index_col_name,...) |
37 | or [CONSTRAINT symbol] FOREIGN KEY [index_name] (index_col_name,...) |
38 | [reference_definition] |
39 | or CHECK (expr) |
ea93df61 |
40 | |
629b76f9 |
41 | type: |
42 | TINYINT[(length)] [UNSIGNED] [ZEROFILL] |
43 | or SMALLINT[(length)] [UNSIGNED] [ZEROFILL] |
44 | or MEDIUMINT[(length)] [UNSIGNED] [ZEROFILL] |
45 | or INT[(length)] [UNSIGNED] [ZEROFILL] |
46 | or INTEGER[(length)] [UNSIGNED] [ZEROFILL] |
47 | or BIGINT[(length)] [UNSIGNED] [ZEROFILL] |
48 | or REAL[(length,decimals)] [UNSIGNED] [ZEROFILL] |
49 | or DOUBLE[(length,decimals)] [UNSIGNED] [ZEROFILL] |
50 | or FLOAT[(length,decimals)] [UNSIGNED] [ZEROFILL] |
51 | or DECIMAL(length,decimals) [UNSIGNED] [ZEROFILL] |
52 | or NUMERIC(length,decimals) [UNSIGNED] [ZEROFILL] |
53 | or CHAR(length) [BINARY] |
54 | or VARCHAR(length) [BINARY] |
55 | or DATE |
56 | or TIME |
57 | or TIMESTAMP |
58 | or DATETIME |
59 | or TINYBLOB |
60 | or BLOB |
61 | or MEDIUMBLOB |
62 | or LONGBLOB |
63 | or TINYTEXT |
64 | or TEXT |
65 | or MEDIUMTEXT |
66 | or LONGTEXT |
67 | or ENUM(value1,value2,value3,...) |
68 | or SET(value1,value2,value3,...) |
ea93df61 |
69 | |
629b76f9 |
70 | index_col_name: |
71 | col_name [(length)] |
ea93df61 |
72 | |
629b76f9 |
73 | reference_definition: |
74 | REFERENCES tbl_name [(index_col_name,...)] |
75 | [MATCH FULL | MATCH PARTIAL] |
76 | [ON DELETE reference_option] |
77 | [ON UPDATE reference_option] |
ea93df61 |
78 | |
629b76f9 |
79 | reference_option: |
80 | RESTRICT | CASCADE | SET NULL | NO ACTION | SET DEFAULT |
ea93df61 |
81 | |
629b76f9 |
82 | table_options: |
83 | TYPE = {BDB | HEAP | ISAM | InnoDB | MERGE | MRG_MYISAM | MYISAM } |
a7f49dfb |
84 | or ENGINE = {BDB | HEAP | ISAM | InnoDB | MERGE | MRG_MYISAM | MYISAM } |
629b76f9 |
85 | or AUTO_INCREMENT = # |
86 | or AVG_ROW_LENGTH = # |
a7f49dfb |
87 | or [ DEFAULT ] CHARACTER SET charset_name |
629b76f9 |
88 | or CHECKSUM = {0 | 1} |
a7f49dfb |
89 | or COLLATE collation_name |
629b76f9 |
90 | or COMMENT = "string" |
91 | or MAX_ROWS = # |
92 | or MIN_ROWS = # |
93 | or PACK_KEYS = {0 | 1 | DEFAULT} |
94 | or PASSWORD = "string" |
95 | or DELAY_KEY_WRITE = {0 | 1} |
96 | or ROW_FORMAT= { default | dynamic | fixed | compressed } |
97 | or RAID_TYPE= {1 | STRIPED | RAID0 } RAID_CHUNKS=# RAID_CHUNKSIZE=# |
98 | or UNION = (table_name,[table_name...]) |
99 | or INSERT_METHOD= {NO | FIRST | LAST } |
100 | or DATA DIRECTORY="absolute path to directory" |
101 | or INDEX DIRECTORY="absolute path to directory" |
102 | |
a7f49dfb |
103 | |
13aec984 |
104 | A subset of the ALTER TABLE syntax that allows addition of foreign keys: |
105 | |
106 | ALTER [IGNORE] TABLE tbl_name alter_specification [, alter_specification] ... |
107 | |
108 | alter_specification: |
109 | ADD [CONSTRAINT [symbol]] |
110 | FOREIGN KEY [index_name] (index_col_name,...) |
111 | [reference_definition] |
112 | |
113 | A subset of INSERT that we ignore: |
114 | |
115 | INSERT anything |
116 | |
5d666b31 |
117 | =head1 ARGUMENTS |
118 | |
119 | This parser takes a single optional parser_arg C<mysql_parser_version>, which |
120 | provides the desired version for the target database. Any statement in the processed |
121 | dump file, that is commented with a version higher than the one supplied, will be stripped. |
122 | |
aa4301a7 |
123 | The default C<mysql_parser_version> is set to the conservative value of 40000 (MySQL 4.0) |
124 | |
5d666b31 |
125 | Valid version specifiers for C<mysql_parser_version> are listed L<here|SQL::Translator::Utils/parse_mysql_version> |
126 | |
127 | More information about the MySQL comment-syntax: L<http://dev.mysql.com/doc/refman/5.0/en/comments.html> |
128 | |
129 | |
d529894e |
130 | =cut |
131 | |
16dc9970 |
132 | use strict; |
f27f9229 |
133 | use warnings; |
bdf60588 |
134 | |
0c04c5a2 |
135 | our $VERSION = '1.59'; |
bdf60588 |
136 | |
137 | our $DEBUG; |
8d0f3086 |
138 | $DEBUG = 0 unless defined $DEBUG; |
077ebf34 |
139 | |
d529894e |
140 | use Data::Dumper; |
07d6e5f7 |
141 | use Storable qw(dclone); |
6b2dbb1a |
142 | use DBI qw(:sql_types); |
bdf60588 |
143 | use SQL::Translator::Utils qw/parse_mysql_version ddl_parser_instance/; |
077ebf34 |
144 | |
bdf60588 |
145 | use base qw(Exporter); |
146 | our @EXPORT_OK = qw(parse); |
5d666b31 |
147 | |
f1fe509d |
148 | our %type_mapping = (); |
6b2dbb1a |
149 | |
aa4301a7 |
150 | use constant DEFAULT_PARSER_VERSION => 40000; |
d31c185b |
151 | |
bdf60588 |
152 | our $GRAMMAR = << 'END_OF_GRAMMAR'; |
d529894e |
153 | |
ea93df61 |
154 | { |
f1fe509d |
155 | my ( $database_name, %tables, $table_order, @table_comments, %views, |
156 | $view_order, %procedures, $proc_order ); |
86318717 |
157 | my $delimiter = ';'; |
8ccdeb42 |
158 | } |
d529894e |
159 | |
629b76f9 |
160 | # |
161 | # The "eofile" rule makes the parser fail if any "statement" rule |
ea93df61 |
162 | # fails. Otherwise, the first successful match by a "statement" |
629b76f9 |
163 | # won't cause the failure needed to know that the parse, as a whole, |
164 | # failed. -ky |
165 | # |
ea93df61 |
166 | startrule : statement(s) eofile { |
167 | { |
168 | database_name => $database_name, |
169 | tables => \%tables, |
170 | views => \%views, |
f1fe509d |
171 | procedures => \%procedures, |
ea93df61 |
172 | } |
13aec984 |
173 | } |
629b76f9 |
174 | |
175 | eofile : /^\Z/ |
d529894e |
176 | |
177 | statement : comment |
dcb4fa06 |
178 | | use |
33d0d6d4 |
179 | | set |
61745327 |
180 | | drop |
d529894e |
181 | | create |
13aec984 |
182 | | alter |
183 | | insert |
86318717 |
184 | | delimiter |
185 | | empty_statement |
d529894e |
186 | | <error> |
187 | |
aaea005b |
188 | use : /use/i NAME "$delimiter" |
13aec984 |
189 | { |
190 | $database_name = $item[2]; |
191 | @table_comments = (); |
192 | } |
dcb4fa06 |
193 | |
aa4301a7 |
194 | set : /set/i not_delimiter "$delimiter" |
c5dabd71 |
195 | { @table_comments = () } |
734dfc91 |
196 | |
aa4301a7 |
197 | drop : /drop/i TABLE not_delimiter "$delimiter" |
33d0d6d4 |
198 | |
aaea005b |
199 | drop : /drop/i NAME(s) "$delimiter" |
c5dabd71 |
200 | { @table_comments = () } |
61745327 |
201 | |
bc9932bf |
202 | bit: |
b98bd48d |
203 | /(b'[01]{1,64}')/ | |
204 | /(b"[01]{1,64}")/ |
bc9932bf |
205 | |
9bf756df |
206 | string : |
ea93df61 |
207 | # MySQL strings, unlike common SQL strings, can be double-quoted or |
aaea005b |
208 | # single-quoted. |
9bf756df |
209 | |
aaea005b |
210 | SQSTRING | DQSTRING |
9bf756df |
211 | |
212 | nonstring : /[^;\'"]+/ |
213 | |
9644fab3 |
214 | statement_body : string | nonstring |
9bf756df |
215 | |
9644fab3 |
216 | insert : /insert/i statement_body(s?) "$delimiter" |
13aec984 |
217 | |
86318717 |
218 | delimiter : /delimiter/i /[\S]+/ |
07d6e5f7 |
219 | { $delimiter = $item[2] } |
86318717 |
220 | |
221 | empty_statement : "$delimiter" |
222 | |
223 | alter : ALTER TABLE table_name alter_specification(s /,/) "$delimiter" |
13aec984 |
224 | { |
225 | my $table_name = $item{'table_name'}; |
226 | die "Cannot ALTER table '$table_name'; it does not exist" |
227 | unless $tables{ $table_name }; |
ea93df61 |
228 | for my $definition ( @{ $item[4] } ) { |
13aec984 |
229 | $definition->{'extra'}->{'alter'} = 1; |
230 | push @{ $tables{ $table_name }{'constraints'} }, $definition; |
231 | } |
232 | } |
233 | |
234 | alter_specification : ADD foreign_key_def |
235 | { $return = $item[2] } |
236 | |
aaea005b |
237 | create : CREATE /database/i NAME "$delimiter" |
c5dabd71 |
238 | { @table_comments = () } |
dcb4fa06 |
239 | |
86318717 |
240 | create : CREATE TEMPORARY(?) TABLE opt_if_not_exists(?) table_name '(' create_definition(s /,/) /(,\s*)?\)/ table_option(s?) "$delimiter" |
ea93df61 |
241 | { |
d529894e |
242 | my $table_name = $item{'table_name'}; |
22529e36 |
243 | die "There is more than one definition for $table_name" |
244 | if ($tables{$table_name}); |
245 | |
d529894e |
246 | $tables{ $table_name }{'order'} = ++$table_order; |
247 | $tables{ $table_name }{'table_name'} = $table_name; |
248 | |
734dfc91 |
249 | if ( @table_comments ) { |
250 | $tables{ $table_name }{'comments'} = [ @table_comments ]; |
251 | @table_comments = (); |
252 | } |
253 | |
61745327 |
254 | my $i = 1; |
40c1ade1 |
255 | for my $definition ( @{ $item[7] } ) { |
f2cf1734 |
256 | if ( $definition->{'supertype'} eq 'field' ) { |
d529894e |
257 | my $field_name = $definition->{'name'}; |
ea93df61 |
258 | $tables{ $table_name }{'fields'}{ $field_name } = |
d529894e |
259 | { %$definition, order => $i }; |
260 | $i++; |
ea93df61 |
261 | |
d529894e |
262 | if ( $definition->{'is_primary_key'} ) { |
f2cf1734 |
263 | push @{ $tables{ $table_name }{'constraints'} }, |
d529894e |
264 | { |
265 | type => 'primary_key', |
266 | fields => [ $field_name ], |
16dc9970 |
267 | } |
d529894e |
268 | ; |
269 | } |
dd2ef5ae |
270 | } |
f2cf1734 |
271 | elsif ( $definition->{'supertype'} eq 'constraint' ) { |
f2cf1734 |
272 | push @{ $tables{ $table_name }{'constraints'} }, $definition; |
40c1ade1 |
273 | } |
f2cf1734 |
274 | elsif ( $definition->{'supertype'} eq 'index' ) { |
734dfc91 |
275 | push @{ $tables{ $table_name }{'indices'} }, $definition; |
dd2ef5ae |
276 | } |
d529894e |
277 | } |
dd2ef5ae |
278 | |
02a21f1a |
279 | if ( my @options = @{ $item{'table_option(s?)'} } ) { |
35843e6b |
280 | for my $option ( @options ) { |
281 | my ( $key, $value ) = each %$option; |
282 | if ( $key eq 'comment' ) { |
283 | push @{ $tables{ $table_name }{'comments'} }, $value; |
284 | } |
285 | else { |
286 | push @{ $tables{ $table_name }{'table_options'} }, $option; |
287 | } |
288 | } |
d529894e |
289 | } |
58a88238 |
290 | |
291 | 1; |
d529894e |
292 | } |
dd2ef5ae |
293 | |
40c1ade1 |
294 | opt_if_not_exists : /if not exists/i |
295 | |
86318717 |
296 | create : CREATE UNIQUE(?) /(index|key)/i index_name /on/i table_name '(' field_name(s /,/) ')' "$delimiter" |
d529894e |
297 | { |
734dfc91 |
298 | @table_comments = (); |
d529894e |
299 | push @{ $tables{ $item{'table_name'} }{'indices'} }, |
300 | { |
301 | name => $item[4], |
041e659f |
302 | type => $item[2][0] ? 'unique' : 'normal', |
d529894e |
303 | fields => $item[8], |
dd2ef5ae |
304 | } |
d529894e |
305 | ; |
306 | } |
dd2ef5ae |
307 | |
d31c185b |
308 | create : CREATE /trigger/i NAME not_delimiter "$delimiter" |
07d6e5f7 |
309 | { |
310 | @table_comments = (); |
311 | } |
d31c185b |
312 | |
313 | create : CREATE PROCEDURE NAME not_delimiter "$delimiter" |
07d6e5f7 |
314 | { |
315 | @table_comments = (); |
d31c185b |
316 | my $func_name = $item[3]; |
317 | my $owner = ''; |
318 | my $sql = "$item[1] $item[2] $item[3] $item[4]"; |
ea93df61 |
319 | |
d31c185b |
320 | $procedures{ $func_name }{'order'} = ++$proc_order; |
321 | $procedures{ $func_name }{'name'} = $func_name; |
322 | $procedures{ $func_name }{'owner'} = $owner; |
323 | $procedures{ $func_name }{'sql'} = $sql; |
07d6e5f7 |
324 | } |
d31c185b |
325 | |
326 | PROCEDURE : /procedure/i |
07d6e5f7 |
327 | | /function/i |
d31c185b |
328 | |
aa4301a7 |
329 | create : CREATE or_replace(?) create_view_option(s?) /view/i NAME /as/i view_select_statement "$delimiter" |
07d6e5f7 |
330 | { |
331 | @table_comments = (); |
aa4301a7 |
332 | my $view_name = $item{'NAME'}; |
333 | my $select_sql = $item{'view_select_statement'}; |
334 | my $options = $item{'create_view_option(s?)'}; |
335 | |
336 | my $sql = join(q{ }, |
337 | grep { defined and length } |
338 | map { ref $_ eq 'ARRAY' ? @$_ : $_ } |
339 | $item{'CREATE'}, |
340 | $item{'or_replace(?)'}, |
341 | $options, |
342 | $view_name, |
343 | 'as select', |
344 | join(', ', |
345 | map { |
346 | sprintf('%s%s', |
347 | $_->{'name'}, |
348 | $_->{'alias'} ? ' as ' . $_->{'alias'} : '' |
349 | ) |
350 | } |
351 | @{ $select_sql->{'columns'} || [] } |
352 | ), |
353 | ' from ', |
354 | join(', ', |
355 | map { |
356 | sprintf('%s%s', |
357 | $_->{'name'}, |
358 | $_->{'alias'} ? ' as ' . $_->{'alias'} : '' |
359 | ) |
360 | } |
361 | @{ $select_sql->{'from'}{'tables'} || [] } |
362 | ), |
363 | $select_sql->{'from'}{'where'} |
364 | ? 'where ' . $select_sql->{'from'}{'where'} |
365 | : '' |
366 | , |
367 | ); |
ea93df61 |
368 | |
d31c185b |
369 | # Hack to strip database from function calls in SQL |
370 | $sql =~ s#`\w+`\.(`\w+`\()##g; |
ea93df61 |
371 | |
aa4301a7 |
372 | $views{ $view_name }{'order'} = ++$view_order; |
373 | $views{ $view_name }{'name'} = $view_name; |
374 | $views{ $view_name }{'sql'} = $sql; |
375 | $views{ $view_name }{'options'} = $options; |
376 | $views{ $view_name }{'select'} = $item{'view_select_statement'}; |
07d6e5f7 |
377 | } |
d31c185b |
378 | |
aa4301a7 |
379 | create_view_option : view_algorithm | view_sql_security | view_definer |
22b9814a |
380 | |
aa4301a7 |
381 | or_replace : /or replace/i |
382 | |
383 | view_algorithm : /algorithm/i /=/ WORD |
07d6e5f7 |
384 | { |
385 | $return = "$item[1]=$item[3]"; |
386 | } |
d31c185b |
387 | |
aa4301a7 |
388 | view_definer : /definer=\S+/i |
389 | |
390 | view_sql_security : /sql \s+ security \s+ (definer|invoker)/ixs |
391 | |
392 | not_delimiter : /.*?(?=$delimiter)/is |
393 | |
394 | view_select_statement : /[(]?/ /select/i view_column_def /from/i view_table_def /[)]?/ |
395 | { |
396 | $return = { |
397 | columns => $item{'view_column_def'}, |
398 | from => $item{'view_table_def'}, |
399 | }; |
400 | } |
401 | |
402 | view_column_def : /(.*?)(?=\bfrom\b)/ixs |
403 | { |
404 | # split on commas not in parens, |
405 | # e.g., "concat_ws(\' \', first, last) as first_last" |
406 | my @tmp = $1 =~ /((?:[^(,]+|\(.*?\))+)/g; |
407 | my @cols; |
408 | for my $col ( @tmp ) { |
409 | my ( $name, $alias ) = map { |
410 | s/^\s+|\s+$//g; |
411 | s/[`]//g; |
412 | $_ |
413 | } split /\s+as\s+/i, $col; |
414 | |
415 | push @cols, { name => $name, alias => $alias || '' }; |
416 | } |
417 | |
418 | $return = \@cols; |
419 | } |
420 | |
d31c185b |
421 | not_delimiter : /.*?(?=$delimiter)/is |
422 | |
aa4301a7 |
423 | view_table_def : not_delimiter |
424 | { |
425 | my $clause = $item[1]; |
426 | my $where = $1 if $clause =~ s/\bwhere \s+ (.*)//ixs; |
427 | $clause =~ s/[)]\s*$//; |
428 | |
429 | my @tables; |
430 | for my $tbl ( split( /\s*,\s*/, $clause ) ) { |
431 | my ( $name, $alias ) = split /\s+as\s+/i, $tbl; |
432 | push @tables, { name => $name, alias => $alias || '' }; |
433 | } |
434 | |
435 | $return = { |
436 | tables => \@tables, |
437 | where => $where || '', |
438 | }; |
439 | } |
440 | |
aaea005b |
441 | view_column_alias : /as/i NAME |
aa4301a7 |
442 | { $return = $item[2] } |
443 | |
ea93df61 |
444 | create_definition : constraint |
f2cf1734 |
445 | | index |
d529894e |
446 | | field |
02a21f1a |
447 | | comment |
d529894e |
448 | | <error> |
449 | |
ea93df61 |
450 | comment : /^\s*(?:#|-{2}).*\n/ |
451 | { |
734dfc91 |
452 | my $comment = $item[1]; |
a82fa2cb |
453 | $comment =~ s/^\s*(#|--)\s*//; |
734dfc91 |
454 | $comment =~ s/\s*$//; |
455 | $return = $comment; |
734dfc91 |
456 | } |
457 | |
aa4301a7 |
458 | comment : m{ / \* (?! \!) .*? \* / }xs |
e78d62f2 |
459 | { |
460 | my $comment = $item[2]; |
73212389 |
461 | $comment = substr($comment, 0, -2); |
e78d62f2 |
462 | $comment =~ s/^\s*|\s*$//g; |
463 | $return = $comment; |
464 | } |
ea93df61 |
465 | |
aa4301a7 |
466 | comment_like_command : m{/\*!(\d+)?}s |
467 | |
468 | comment_end : m{ \* / }xs |
469 | |
ea93df61 |
470 | field_comment : /^\s*(?:#|-{2}).*\n/ |
471 | { |
734dfc91 |
472 | my $comment = $item[1]; |
a82fa2cb |
473 | $comment =~ s/^\s*(#|--)\s*//; |
734dfc91 |
474 | $comment =~ s/\s*$//; |
475 | $return = $comment; |
476 | } |
d529894e |
477 | |
35843e6b |
478 | |
aaea005b |
479 | field_comment2 : /comment/i SQSTRING |
480 | { $return = $item[2] } |
35843e6b |
481 | |
d529894e |
482 | blank : /\s*/ |
483 | |
100684f3 |
484 | field : field_comment(s?) field_name data_type field_qualifier(s?) field_comment2(?) reference_definition(?) on_update(?) field_comment(s?) |
ea93df61 |
485 | { |
734dfc91 |
486 | my %qualifiers = map { %$_ } @{ $item{'field_qualifier(s?)'} || [] }; |
d529894e |
487 | if ( my @type_quals = @{ $item{'data_type'}{'qualifiers'} || [] } ) { |
488 | $qualifiers{ $_ } = 1 for @type_quals; |
489 | } |
490 | |
ea93df61 |
491 | my $null = defined $qualifiers{'not_null'} |
c5dabd71 |
492 | ? $qualifiers{'not_null'} : 1; |
493 | delete $qualifiers{'not_null'}; |
494 | |
35843e6b |
495 | my @comments = ( @{ $item[1] }, @{ $item[5] }, @{ $item[8] } ); |
88b89793 |
496 | |
ea93df61 |
497 | $return = { |
f2cf1734 |
498 | supertype => 'field', |
ea93df61 |
499 | name => $item{'field_name'}, |
f2cf1734 |
500 | data_type => $item{'data_type'}{'type'}, |
501 | size => $item{'data_type'}{'size'}, |
502 | list => $item{'data_type'}{'list'}, |
503 | null => $null, |
504 | constraints => $item{'reference_definition(?)'}, |
88b89793 |
505 | comments => [ @comments ], |
d529894e |
506 | %qualifiers, |
ea93df61 |
507 | } |
d529894e |
508 | } |
509 | | <error> |
dd2ef5ae |
510 | |
d529894e |
511 | field_qualifier : not_null |
ea93df61 |
512 | { |
513 | $return = { |
d529894e |
514 | null => $item{'not_null'}, |
ea93df61 |
515 | } |
d529894e |
516 | } |
16dc9970 |
517 | |
d529894e |
518 | field_qualifier : default_val |
ea93df61 |
519 | { |
520 | $return = { |
d529894e |
521 | default => $item{'default_val'}, |
ea93df61 |
522 | } |
d529894e |
523 | } |
16dc9970 |
524 | |
d529894e |
525 | field_qualifier : auto_inc |
ea93df61 |
526 | { |
527 | $return = { |
d529894e |
528 | is_auto_inc => $item{'auto_inc'}, |
ea93df61 |
529 | } |
d529894e |
530 | } |
16dc9970 |
531 | |
d529894e |
532 | field_qualifier : primary_key |
ea93df61 |
533 | { |
534 | $return = { |
d529894e |
535 | is_primary_key => $item{'primary_key'}, |
ea93df61 |
536 | } |
d529894e |
537 | } |
16dc9970 |
538 | |
d529894e |
539 | field_qualifier : unsigned |
ea93df61 |
540 | { |
541 | $return = { |
d529894e |
542 | is_unsigned => $item{'unsigned'}, |
ea93df61 |
543 | } |
d529894e |
544 | } |
16dc9970 |
545 | |
ea93df61 |
546 | field_qualifier : /character set/i WORD |
095b4549 |
547 | { |
548 | $return = { |
bd30a9a2 |
549 | 'CHARACTER SET' => $item[2], |
550 | } |
551 | } |
552 | |
553 | field_qualifier : /collate/i WORD |
554 | { |
555 | $return = { |
556 | COLLATE => $item[2], |
557 | } |
558 | } |
559 | |
560 | field_qualifier : /on update/i CURRENT_TIMESTAMP |
561 | { |
562 | $return = { |
563 | 'ON UPDATE' => $item[2], |
095b4549 |
564 | } |
565 | } |
566 | |
bd356af8 |
567 | field_qualifier : /unique/i KEY(?) |
568 | { |
569 | $return = { |
570 | is_unique => 1, |
571 | } |
572 | } |
573 | |
574 | field_qualifier : KEY |
575 | { |
576 | $return = { |
577 | has_index => 1, |
578 | } |
579 | } |
580 | |
100684f3 |
581 | reference_definition : /references/i table_name parens_field_list(?) match_type(?) on_delete(?) on_update(?) |
658637cd |
582 | { |
40c1ade1 |
583 | $return = { |
658637cd |
584 | type => 'foreign_key', |
585 | reference_table => $item[2], |
586 | reference_fields => $item[3][0], |
587 | match_type => $item[4][0], |
100684f3 |
588 | on_delete => $item[5][0], |
589 | on_update => $item[6][0], |
658637cd |
590 | } |
591 | } |
592 | |
02a21f1a |
593 | match_type : /match full/i { 'full' } |
658637cd |
594 | | |
02a21f1a |
595 | /match partial/i { 'partial' } |
658637cd |
596 | |
100684f3 |
597 | on_delete : /on delete/i reference_option |
658637cd |
598 | { $item[2] } |
599 | |
ea93df61 |
600 | on_update : |
0a2833d8 |
601 | /on update/i CURRENT_TIMESTAMP |
6fa97af6 |
602 | { $item[2] } |
603 | | |
604 | /on update/i reference_option |
658637cd |
605 | { $item[2] } |
606 | |
ea93df61 |
607 | reference_option: /restrict/i | |
608 | /cascade/i | |
609 | /set null/i | |
610 | /no action/i | |
658637cd |
611 | /set default/i |
ea93df61 |
612 | { $item[1] } |
658637cd |
613 | |
f2cf1734 |
614 | index : normal_index |
371f5f88 |
615 | | fulltext_index |
531652d6 |
616 | | spatial_index |
58a88238 |
617 | | <error> |
d529894e |
618 | |
0d41bc9b |
619 | table_name : NAME |
d529894e |
620 | |
0d41bc9b |
621 | field_name : NAME |
d529894e |
622 | |
02a21f1a |
623 | index_name : NAME |
d529894e |
624 | |
625 | data_type : WORD parens_value_list(s?) type_qualifier(s?) |
ea93df61 |
626 | { |
d529894e |
627 | my $type = $item[1]; |
628 | my $size; # field size, applicable only to non-set fields |
629 | my $list; # set list, applicable only to sets (duh) |
630 | |
44fcd0b5 |
631 | if ( uc($type) =~ /^(SET|ENUM)$/ ) { |
d529894e |
632 | $size = undef; |
633 | $list = $item[2][0]; |
634 | } |
635 | else { |
636 | $size = $item[2][0]; |
637 | $list = []; |
638 | } |
639 | |
256d534a |
640 | |
ea93df61 |
641 | $return = { |
d529894e |
642 | type => $type, |
643 | size => $size, |
644 | list => $list, |
645 | qualifiers => $item[3], |
ea93df61 |
646 | } |
d529894e |
647 | } |
16dc9970 |
648 | |
658637cd |
649 | parens_field_list : '(' field_name(s /,/) ')' |
650 | { $item[2] } |
651 | |
d529894e |
652 | parens_value_list : '(' VALUE(s /,/) ')' |
653 | { $item[2] } |
16dc9970 |
654 | |
d529894e |
655 | type_qualifier : /(BINARY|UNSIGNED|ZEROFILL)/i |
656 | { lc $item[1] } |
16dc9970 |
657 | |
d529894e |
658 | field_type : WORD |
16dc9970 |
659 | |
d529894e |
660 | create_index : /create/i /index/i |
dd2ef5ae |
661 | |
ea93df61 |
662 | not_null : /not/i /null/i |
e78d62f2 |
663 | { $return = 0 } |
664 | | |
665 | /null/i |
666 | { $return = 1 } |
16dc9970 |
667 | |
d529894e |
668 | unsigned : /unsigned/i { $return = 0 } |
16dc9970 |
669 | |
ea93df61 |
670 | default_val : |
0a2833d8 |
671 | /default/i CURRENT_TIMESTAMP |
6fa97af6 |
672 | { |
0a2833d8 |
673 | $return = $item[2]; |
6fa97af6 |
674 | } |
675 | | |
aaea005b |
676 | /default/i VALUE |
bc9932bf |
677 | { |
bc9932bf |
678 | $return = $item[2]; |
679 | } |
680 | | |
681 | /default/i bit |
682 | { |
683 | $item[2] =~ s/b['"]([01]+)['"]/$1/g; |
684 | $return = $item[2]; |
685 | } |
686 | | |
34248db8 |
687 | /default/i /[\w\d:.-]+/ |
09fa21a6 |
688 | { |
d529894e |
689 | $return = $item[2]; |
690 | } |
16dc9970 |
691 | |
d529894e |
692 | auto_inc : /auto_increment/i { 1 } |
16dc9970 |
693 | |
d529894e |
694 | primary_key : /primary/i /key/i { 1 } |
16dc9970 |
695 | |
f2cf1734 |
696 | constraint : primary_key_def |
697 | | unique_key_def |
698 | | foreign_key_def |
699 | | <error> |
700 | |
02a21f1a |
701 | foreign_key_def : foreign_key_def_begin parens_field_list reference_definition |
40c1ade1 |
702 | { |
703 | $return = { |
f2cf1734 |
704 | supertype => 'constraint', |
40c1ade1 |
705 | type => 'foreign_key', |
02a21f1a |
706 | name => $item[1], |
09fa21a6 |
707 | fields => $item[2], |
40c1ade1 |
708 | %{ $item{'reference_definition'} }, |
709 | } |
710 | } |
711 | |
aaea005b |
712 | foreign_key_def_begin : /constraint/i /foreign key/i NAME |
e78d62f2 |
713 | { $return = $item[3] } |
714 | | |
715 | /constraint/i NAME /foreign key/i |
716 | { $return = $item[2] } |
717 | | |
718 | /constraint/i /foreign key/i |
02a21f1a |
719 | { $return = '' } |
720 | | |
aaea005b |
721 | /foreign key/i NAME |
02a21f1a |
722 | { $return = $item[2] } |
723 | | |
724 | /foreign key/i |
725 | { $return = '' } |
40c1ade1 |
726 | |
1687dad4 |
727 | primary_key_def : primary_key index_type(?) '(' name_with_opt_paren(s /,/) ')' index_type(?) |
ea93df61 |
728 | { |
729 | $return = { |
f2cf1734 |
730 | supertype => 'constraint', |
f2cf1734 |
731 | type => 'primary_key', |
1687dad4 |
732 | fields => $item[4], |
733 | options => $item[2][0] || $item[6][0], |
734 | }; |
735 | } |
736 | # In theory, and according to the doc, names should not be allowed here, but |
737 | # MySQL accept (and ignores) them, so we are not going to be less :) |
738 | | primary_key index_name_not_using(?) '(' name_with_opt_paren(s /,/) ')' index_type(?) |
739 | { |
740 | $return = { |
741 | supertype => 'constraint', |
742 | type => 'primary_key', |
743 | fields => $item[4], |
744 | options => $item[6][0], |
58a88238 |
745 | }; |
d529894e |
746 | } |
16dc9970 |
747 | |
62a64f6c |
748 | unique_key_def : UNIQUE KEY(?) index_name_not_using(?) index_type(?) '(' name_with_opt_paren(s /,/) ')' index_type(?) |
ea93df61 |
749 | { |
750 | $return = { |
f2cf1734 |
751 | supertype => 'constraint', |
62a64f6c |
752 | name => $item[3][0], |
f2cf1734 |
753 | type => 'unique', |
62a64f6c |
754 | fields => $item[6], |
755 | options => $item[4][0] || $item[8][0], |
ea93df61 |
756 | } |
d529894e |
757 | } |
16dc9970 |
758 | |
62a64f6c |
759 | normal_index : KEY index_name_not_using(?) index_type(?) '(' name_with_opt_paren(s /,/) ')' index_type(?) |
ea93df61 |
760 | { |
761 | $return = { |
f2cf1734 |
762 | supertype => 'index', |
763 | type => 'normal', |
fd11d3c5 |
764 | name => $item[2][0], |
765 | fields => $item[5], |
62a64f6c |
766 | options => $item[3][0] || $item[7][0], |
767 | } |
d529894e |
768 | } |
16dc9970 |
769 | |
fd11d3c5 |
770 | index_name_not_using : QUOTED_NAME |
62a64f6c |
771 | | /(\b(?!using)\w+\b)/ { $return = ($1 =~ /^using/i) ? undef : $1 } |
fd11d3c5 |
772 | |
773 | index_type : /using (btree|hash|rtree)/i { $return = uc $1 } |
774 | |
f2cf1734 |
775 | fulltext_index : /fulltext/i KEY(?) index_name(?) '(' name_with_opt_paren(s /,/) ')' |
ea93df61 |
776 | { |
777 | $return = { |
f2cf1734 |
778 | supertype => 'index', |
779 | type => 'fulltext', |
780 | name => $item{'index_name(?)'}[0], |
781 | fields => $item[5], |
ea93df61 |
782 | } |
371f5f88 |
783 | } |
784 | |
531652d6 |
785 | spatial_index : /spatial/i KEY(?) index_name(?) '(' name_with_opt_paren(s /,/) ')' |
ea93df61 |
786 | { |
787 | $return = { |
531652d6 |
788 | supertype => 'index', |
789 | type => 'spatial', |
790 | name => $item{'index_name(?)'}[0], |
791 | fields => $item[5], |
ea93df61 |
792 | } |
531652d6 |
793 | } |
794 | |
d529894e |
795 | name_with_opt_paren : NAME parens_value_list(s?) |
796 | { $item[2][0] ? "$item[1]($item[2][0][0])" : $item[1] } |
16dc9970 |
797 | |
041e659f |
798 | UNIQUE : /unique/i |
16dc9970 |
799 | |
f2cf1734 |
800 | KEY : /key/i | /index/i |
16dc9970 |
801 | |
aaea005b |
802 | table_option : /comment/i /=/ string |
35843e6b |
803 | { |
aaea005b |
804 | $return = { comment => $item[3] }; |
35843e6b |
805 | } |
aaea005b |
806 | | /(default )?(charset|character set)/i /\s*=?\s*/ NAME |
ea93df61 |
807 | { |
bd30a9a2 |
808 | $return = { 'CHARACTER SET' => $item[3] }; |
d529894e |
809 | } |
aaea005b |
810 | | /collate/i NAME |
a7f49dfb |
811 | { |
812 | $return = { 'COLLATE' => $item[2] } |
813 | } |
9a96648f |
814 | | /union/i /\s*=\s*/ '(' table_name(s /,/) ')' |
ea93df61 |
815 | { |
9a96648f |
816 | $return = { $item[1] => $item[4] }; |
817 | } |
aaea005b |
818 | | WORD /\s*=\s*/ table_option_value |
47666977 |
819 | { |
19c5bc53 |
820 | $return = { $item[1] => $item[3] }; |
821 | } |
47666977 |
822 | |
aaea005b |
823 | table_option_value : VALUE |
824 | | NAME |
47666977 |
825 | |
bd30a9a2 |
826 | default : /default/i |
16dc9970 |
827 | |
13aec984 |
828 | ADD : /add/i |
829 | |
830 | ALTER : /alter/i |
831 | |
40c1ade1 |
832 | CREATE : /create/i |
833 | |
834 | TEMPORARY : /temporary/i |
835 | |
836 | TABLE : /table/i |
837 | |
d529894e |
838 | WORD : /\w+/ |
16dc9970 |
839 | |
d529894e |
840 | DIGITS : /\d+/ |
16dc9970 |
841 | |
d529894e |
842 | COMMA : ',' |
16dc9970 |
843 | |
a7f49dfb |
844 | BACKTICK : '`' |
845 | |
f1fe509d |
846 | DOUBLE_QUOTE: '"' |
847 | |
46417fe2 |
848 | SINGLE_QUOTE: "'" |
849 | |
aaea005b |
850 | QUOTED_NAME : BQSTRING |
851 | | SQSTRING |
852 | | DQSTRING |
853 | |
854 | # MySQL strings, unlike common SQL strings, can have the delmiters |
855 | # escaped either by doubling or by backslashing. |
856 | BQSTRING: BACKTICK /(?:[^\\`]|``|\\.)*/ BACKTICK |
857 | { ($return = $item[2]) =~ s/(\\[\\`]|``)/substr($1,1)/ge } |
858 | |
859 | DQSTRING: DOUBLE_QUOTE /(?:[^\\"]|""|\\.)*/ DOUBLE_QUOTE |
860 | { ($return = $item[2]) =~ s/(\\[\\"]|"")/substr($1,1)/ge } |
861 | |
862 | SQSTRING: SINGLE_QUOTE /(?:[^\\']|''|\\.)*/ SINGLE_QUOTE |
863 | { ($return = $item[2]) =~ s/(\\[\\']|'')/substr($1,1)/ge } |
864 | |
16dc9970 |
865 | |
fd11d3c5 |
866 | NAME: QUOTED_NAME |
ea93df61 |
867 | | /\w+/ |
fd11d3c5 |
868 | |
aaea005b |
869 | VALUE : /[-+]?\d*\.?\d+(?:[eE]\d+)?/ |
d529894e |
870 | { $item[1] } |
aaea005b |
871 | | SQSTRING |
872 | | DQSTRING |
873 | | /NULL/i |
d529894e |
874 | { 'NULL' } |
16dc9970 |
875 | |
0a2833d8 |
876 | # always a scalar-ref, so that it is treated as a function and not quoted by consumers |
877 | CURRENT_TIMESTAMP : |
878 | /current_timestamp(\(\))?/i { \'CURRENT_TIMESTAMP' } |
879 | | /now\(\)/i { \'CURRENT_TIMESTAMP' } |
ea93df61 |
880 | |
9bf756df |
881 | END_OF_GRAMMAR |
16dc9970 |
882 | |
d529894e |
883 | sub parse { |
70944bc5 |
884 | my ( $translator, $data ) = @_; |
bdf60588 |
885 | |
886 | # Enable warnings within the Parse::RecDescent module. |
f9a2a1d9 |
887 | # Make sure the parser dies when it encounters an error |
888 | local $::RD_ERRORS = 1 unless defined $::RD_ERRORS; |
889 | # Enable warnings. This will warn on unused rules &c. |
890 | local $::RD_WARN = 1 unless defined $::RD_WARN; |
891 | # Give out hints to help fix problems. |
892 | local $::RD_HINT = 1 unless defined $::RD_HINT; |
e099bee9 |
893 | local $::RD_TRACE = $translator->trace ? 1 : undef; |
894 | local $DEBUG = $translator->debug; |
d529894e |
895 | |
bdf60588 |
896 | my $parser = ddl_parser_instance('MySQL'); |
ea93df61 |
897 | |
f1fe509d |
898 | # Preprocess for MySQL-specific and not-before-version comments |
899 | # from mysqldump |
900 | my $parser_version = parse_mysql_version( |
901 | $translator->parser_args->{mysql_parser_version}, 'mysql' |
902 | ) || DEFAULT_PARSER_VERSION; |
903 | |
ea93df61 |
904 | while ( $data =~ |
905 | s#/\*!(\d{5})?(.*?)\*/#($1 && $1 > $parser_version ? '' : $2)#es |
f1fe509d |
906 | ) { |
907 | # do nothing; is there a better way to write this? -- ky |
908 | } |
d529894e |
909 | |
910 | my $result = $parser->startrule($data); |
40c1ade1 |
911 | return $translator->error( "Parse failed." ) unless defined $result; |
13aec984 |
912 | warn "Parse result:".Dumper( $result ) if $DEBUG; |
8ccdeb42 |
913 | |
70944bc5 |
914 | my $schema = $translator->schema; |
13aec984 |
915 | $schema->name($result->{'database_name'}) if $result->{'database_name'}; |
916 | |
ea93df61 |
917 | my @tables = sort { |
918 | $result->{'tables'}{ $a }{'order'} |
919 | <=> |
13aec984 |
920 | $result->{'tables'}{ $b }{'order'} |
921 | } keys %{ $result->{'tables'} }; |
034ecdec |
922 | |
923 | for my $table_name ( @tables ) { |
13aec984 |
924 | my $tdata = $result->{tables}{ $table_name }; |
ea93df61 |
925 | my $table = $schema->add_table( |
8ccdeb42 |
926 | name => $tdata->{'table_name'}, |
40c1ade1 |
927 | ) or die $schema->error; |
8ccdeb42 |
928 | |
734dfc91 |
929 | $table->comments( $tdata->{'comments'} ); |
f2cf1734 |
930 | |
ea93df61 |
931 | my @fields = sort { |
932 | $tdata->{'fields'}->{$a}->{'order'} |
8ccdeb42 |
933 | <=> |
934 | $tdata->{'fields'}->{$b}->{'order'} |
935 | } keys %{ $tdata->{'fields'} }; |
936 | |
937 | for my $fname ( @fields ) { |
938 | my $fdata = $tdata->{'fields'}{ $fname }; |
939 | my $field = $table->add_field( |
940 | name => $fdata->{'name'}, |
941 | data_type => $fdata->{'data_type'}, |
942 | size => $fdata->{'size'}, |
943 | default_value => $fdata->{'default'}, |
944 | is_auto_increment => $fdata->{'is_auto_inc'}, |
945 | is_nullable => $fdata->{'null'}, |
88b89793 |
946 | comments => $fdata->{'comments'}, |
40c1ade1 |
947 | ) or die $table->error; |
f2cf1734 |
948 | |
949 | $table->primary_key( $field->name ) if $fdata->{'is_primary_key'}; |
950 | |
bd30a9a2 |
951 | for my $qual ( qw[ binary unsigned zerofill list collate ], |
07d6e5f7 |
952 | 'character set', 'on update' ) { |
f2cf1734 |
953 | if ( my $val = $fdata->{ $qual } || $fdata->{ uc $qual } ) { |
954 | next if ref $val eq 'ARRAY' && !@$val; |
955 | $field->extra( $qual, $val ); |
956 | } |
957 | } |
958 | |
bd356af8 |
959 | if ( $fdata->{'has_index'} ) { |
960 | $table->add_index( |
961 | name => '', |
962 | type => 'NORMAL', |
963 | fields => $fdata->{'name'}, |
964 | ) or die $table->error; |
965 | } |
966 | |
967 | if ( $fdata->{'is_unique'} ) { |
968 | $table->add_constraint( |
969 | name => '', |
970 | type => 'UNIQUE', |
971 | fields => $fdata->{'name'}, |
972 | ) or die $table->error; |
973 | } |
974 | |
f2cf1734 |
975 | for my $cdata ( @{ $fdata->{'constraints'} } ) { |
976 | next unless $cdata->{'type'} eq 'foreign_key'; |
977 | $cdata->{'fields'} ||= [ $field->name ]; |
978 | push @{ $tdata->{'constraints'} }, $cdata; |
979 | } |
07d6e5f7 |
980 | |
f2cf1734 |
981 | } |
982 | |
983 | for my $idata ( @{ $tdata->{'indices'} || [] } ) { |
984 | my $index = $table->add_index( |
985 | name => $idata->{'name'}, |
986 | type => uc $idata->{'type'}, |
987 | fields => $idata->{'fields'}, |
988 | ) or die $table->error; |
989 | } |
990 | |
02a21f1a |
991 | if ( my @options = @{ $tdata->{'table_options'} || [] } ) { |
f7f81963 |
992 | my @cleaned_options; |
f1fe509d |
993 | my @ignore_opts = $translator->parser_args->{'ignore_opts'} |
994 | ? split( /,/, $translator->parser_args->{'ignore_opts'} ) |
995 | : (); |
f7f81963 |
996 | if (@ignore_opts) { |
997 | my $ignores = { map { $_ => 1 } @ignore_opts }; |
998 | foreach my $option (@options) { |
999 | # make sure the option isn't in ignore list |
1000 | my ($option_key) = keys %$option; |
f1fe509d |
1001 | if ( !exists $ignores->{$option_key} ) { |
1002 | push @cleaned_options, $option; |
1003 | } |
f7f81963 |
1004 | } |
1005 | } else { |
1006 | @cleaned_options = @options; |
1007 | } |
1008 | $table->options( \@cleaned_options ) or die $table->error; |
02a21f1a |
1009 | } |
1010 | |
f2cf1734 |
1011 | for my $cdata ( @{ $tdata->{'constraints'} || [] } ) { |
1012 | my $constraint = $table->add_constraint( |
1013 | name => $cdata->{'name'}, |
1014 | type => $cdata->{'type'}, |
1015 | fields => $cdata->{'fields'}, |
1016 | reference_table => $cdata->{'reference_table'}, |
1017 | reference_fields => $cdata->{'reference_fields'}, |
1018 | match_type => $cdata->{'match_type'} || '', |
ea93df61 |
1019 | on_delete => $cdata->{'on_delete'} |
f1fe509d |
1020 | || $cdata->{'on_delete_do'}, |
ea93df61 |
1021 | on_update => $cdata->{'on_update'} |
f1fe509d |
1022 | || $cdata->{'on_update_do'}, |
f2cf1734 |
1023 | ) or die $table->error; |
8ccdeb42 |
1024 | } |
07d6e5f7 |
1025 | |
ea93df61 |
1026 | # After the constrains and PK/idxs have been created, |
f1fe509d |
1027 | # we normalize fields |
07d6e5f7 |
1028 | normalize_field($_) for $table->get_fields; |
8ccdeb42 |
1029 | } |
ea93df61 |
1030 | |
1031 | my @procedures = sort { |
1032 | $result->{procedures}->{ $a }->{'order'} |
1033 | <=> |
f1fe509d |
1034 | $result->{procedures}->{ $b }->{'order'} |
d31c185b |
1035 | } keys %{ $result->{procedures} }; |
f1fe509d |
1036 | |
1037 | for my $proc_name ( @procedures ) { |
07d6e5f7 |
1038 | $schema->add_procedure( |
1039 | name => $proc_name, |
1040 | owner => $result->{procedures}->{$proc_name}->{owner}, |
1041 | sql => $result->{procedures}->{$proc_name}->{sql}, |
1042 | ); |
d31c185b |
1043 | } |
aa4301a7 |
1044 | |
ea93df61 |
1045 | my @views = sort { |
1046 | $result->{views}->{ $a }->{'order'} |
1047 | <=> |
f1fe509d |
1048 | $result->{views}->{ $b }->{'order'} |
d31c185b |
1049 | } keys %{ $result->{views} }; |
f1fe509d |
1050 | |
3ebe2ce5 |
1051 | for my $view_name ( @views ) { |
aa4301a7 |
1052 | my $view = $result->{'views'}{ $view_name }; |
1053 | my @flds = map { $_->{'alias'} || $_->{'name'} } |
1054 | @{ $view->{'select'}{'columns'} || [] }; |
e6c5fb6e |
1055 | my @from = map { $_->{'alias'} || $_->{'name'} } |
1056 | @{ $view->{'from'}{'tables'} || [] }; |
aa4301a7 |
1057 | |
07d6e5f7 |
1058 | $schema->add_view( |
aa4301a7 |
1059 | name => $view_name, |
1060 | sql => $view->{'sql'}, |
1061 | order => $view->{'order'}, |
1062 | fields => \@flds, |
e6c5fb6e |
1063 | tables => \@from, |
1064 | options => $view->{'options'} |
07d6e5f7 |
1065 | ); |
d31c185b |
1066 | } |
8ccdeb42 |
1067 | |
f62bd16c |
1068 | return 1; |
d529894e |
1069 | } |
1070 | |
ea93df61 |
1071 | # Takes a field, and returns |
07d6e5f7 |
1072 | sub normalize_field { |
1073 | my ($field) = @_; |
936e626b |
1074 | my ($size, $type, $list, $unsigned, $changed); |
ea93df61 |
1075 | |
07d6e5f7 |
1076 | $size = $field->size; |
1077 | $type = $field->data_type; |
1078 | $list = $field->extra->{list} || []; |
936e626b |
1079 | $unsigned = defined($field->extra->{unsigned}); |
07d6e5f7 |
1080 | |
1081 | if ( !ref $size && $size eq 0 ) { |
1082 | if ( lc $type eq 'tinyint' ) { |
936e626b |
1083 | $changed = $size != 4 - $unsigned; |
1084 | $size = 4 - $unsigned; |
07d6e5f7 |
1085 | } |
1086 | elsif ( lc $type eq 'smallint' ) { |
936e626b |
1087 | $changed = $size != 6 - $unsigned; |
1088 | $size = 6 - $unsigned; |
07d6e5f7 |
1089 | } |
1090 | elsif ( lc $type eq 'mediumint' ) { |
936e626b |
1091 | $changed = $size != 9 - $unsigned; |
1092 | $size = 9 - $unsigned; |
07d6e5f7 |
1093 | } |
1094 | elsif ( $type =~ /^int(eger)?$/i ) { |
936e626b |
1095 | $changed = $size != 11 - $unsigned || $type ne 'int'; |
07d6e5f7 |
1096 | $type = 'int'; |
936e626b |
1097 | $size = 11 - $unsigned; |
07d6e5f7 |
1098 | } |
1099 | elsif ( lc $type eq 'bigint' ) { |
1100 | $changed = $size != 20; |
1101 | $size = 20; |
1102 | } |
1103 | elsif ( lc $type =~ /(float|double|decimal|numeric|real|fixed|dec)/ ) { |
1104 | my $old_size = (ref $size || '') eq 'ARRAY' ? $size : []; |
ea93df61 |
1105 | $changed = @$old_size != 2 |
1106 | || $old_size->[0] != 8 |
f1fe509d |
1107 | || $old_size->[1] != 2; |
1108 | $size = [8,2]; |
07d6e5f7 |
1109 | } |
1110 | } |
1111 | |
1112 | if ( $type =~ /^tiny(text|blob)$/i ) { |
1113 | $changed = $size != 255; |
1114 | $size = 255; |
1115 | } |
1116 | elsif ( $type =~ /^(blob|text)$/i ) { |
1117 | $changed = $size != 65_535; |
1118 | $size = 65_535; |
1119 | } |
1120 | elsif ( $type =~ /^medium(blob|text)$/i ) { |
1121 | $changed = $size != 16_777_215; |
1122 | $size = 16_777_215; |
1123 | } |
1124 | elsif ( $type =~ /^long(blob|text)$/i ) { |
1125 | $changed = $size != 4_294_967_295; |
1126 | $size = 4_294_967_295; |
1127 | } |
f1fe509d |
1128 | |
9ab59f87 |
1129 | if ( $field->data_type =~ /(set|enum)/i && !$field->size ) { |
1130 | my %extra = $field->extra; |
1131 | my $longest = 0; |
1132 | for my $len ( map { length } @{ $extra{'list'} || [] } ) { |
1133 | $longest = $len if $len > $longest; |
1134 | } |
1135 | $changed = 1; |
1136 | $size = $longest if $longest; |
1137 | } |
1138 | |
1139 | |
f1fe509d |
1140 | if ( $changed ) { |
1141 | # We only want to clone the field, not *everything* |
1142 | { |
1143 | local $field->{table} = undef; |
1144 | $field->parsed_field( dclone( $field ) ); |
1145 | $field->parsed_field->{table} = $field->table; |
1146 | } |
1147 | $field->size( $size ); |
1148 | $field->data_type( $type ); |
1149 | $field->sql_data_type( $type_mapping{ lc $type } ) |
1150 | if exists $type_mapping{ lc $type }; |
1151 | $field->extra->{list} = $list if @$list; |
07d6e5f7 |
1152 | } |
1153 | } |
1154 | |
d529894e |
1155 | 1; |
1156 | |
034ecdec |
1157 | # ------------------------------------------------------------------- |
d529894e |
1158 | # Where man is not nature is barren. |
1159 | # William Blake |
034ecdec |
1160 | # ------------------------------------------------------------------- |
16dc9970 |
1161 | |
d529894e |
1162 | =pod |
16dc9970 |
1163 | |
1164 | =head1 AUTHOR |
1165 | |
19c5bc53 |
1166 | Ken Youens-Clark E<lt>kclark@cpan.orgE<gt>, |
8ccdeb42 |
1167 | Chris Mungall E<lt>cjm@fruitfly.orgE<gt>. |
16dc9970 |
1168 | |
1169 | =head1 SEE ALSO |
1170 | |
19c5bc53 |
1171 | Parse::RecDescent, SQL::Translator::Schema. |
16dc9970 |
1172 | |
1173 | =cut |