1 package SQL::Translator::Parser::MySQL;
5 SQL::Translator::Parser::MySQL - parser for MySQL
10 use SQL::Translator::Parser::MySQL;
12 my $translator = SQL::Translator->new;
13 $translator->parser("SQL::Translator::Parser::MySQL");
17 The grammar is influenced heavily by Tim Bunce's "mysql2ora" grammar.
19 Here's the word from the MySQL site
20 (http://www.mysql.com/doc/en/CREATE_TABLE.html):
22 CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name [(create_definition,...)]
23 [table_options] [select_statement]
27 CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name LIKE old_table_name;
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]
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]
67 or ENUM(value1,value2,value3,...)
68 or SET(value1,value2,value3,...)
74 REFERENCES tbl_name [(index_col_name,...)]
75 [MATCH FULL | MATCH PARTIAL]
76 [ON DELETE reference_option]
77 [ON UPDATE reference_option]
80 RESTRICT | CASCADE | SET NULL | NO ACTION | SET DEFAULT
83 TYPE = {BDB | HEAP | ISAM | InnoDB | MERGE | MRG_MYISAM | MYISAM }
84 or ENGINE = {BDB | HEAP | ISAM | InnoDB | MERGE | MRG_MYISAM | MYISAM }
87 or [ DEFAULT ] CHARACTER SET charset_name
89 or COLLATE collation_name
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"
104 A subset of the ALTER TABLE syntax that allows addition of foreign keys:
106 ALTER [IGNORE] TABLE tbl_name alter_specification [, alter_specification] ...
109 ADD [CONSTRAINT [symbol]]
110 FOREIGN KEY [index_name] (index_col_name,...)
111 [reference_definition]
113 A subset of INSERT that we ignore:
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.
123 The default C<mysql_parser_version> is set to the conservative value of 40000 (MySQL 4.0)
125 Valid version specifiers for C<mysql_parser_version> are listed L<here|SQL::Translator::Utils/parse_mysql_version>
127 More information about the MySQL comment-syntax: L<http://dev.mysql.com/doc/refman/5.0/en/comments.html>
135 our $VERSION = '1.61';
138 $DEBUG = 0 unless defined $DEBUG;
141 use Storable qw(dclone);
142 use DBI qw(:sql_types);
143 use SQL::Translator::Utils qw/parse_mysql_version ddl_parser_instance/;
145 use base qw(Exporter);
146 our @EXPORT_OK = qw(parse);
148 our %type_mapping = ();
150 use constant DEFAULT_PARSER_VERSION => 40000;
152 our $GRAMMAR = << 'END_OF_GRAMMAR';
155 my ( $database_name, %tables, $table_order, @table_comments, %views,
156 $view_order, %procedures, $proc_order );
161 # The "eofile" rule makes the parser fail if any "statement" rule
162 # fails. Otherwise, the first successful match by a "statement"
163 # won't cause the failure needed to know that the parse, as a whole,
166 startrule : statement(s) eofile {
168 database_name => $database_name,
171 procedures => \%procedures,
188 use : /use/i NAME "$delimiter"
190 $database_name = $item[2];
191 @table_comments = ();
194 set : /set/i not_delimiter "$delimiter"
195 { @table_comments = () }
197 drop : /drop/i TABLE not_delimiter "$delimiter"
199 drop : /drop/i NAME(s) "$delimiter"
200 { @table_comments = () }
207 # MySQL strings, unlike common SQL strings, can be double-quoted or
212 nonstring : /[^;\'"]+/
214 statement_body : string | nonstring
216 insert : /insert/i statement_body(s?) "$delimiter"
218 delimiter : /delimiter/i /[\S]+/
219 { $delimiter = $item[2] }
221 empty_statement : "$delimiter"
223 alter : ALTER TABLE table_name alter_specification(s /,/) "$delimiter"
225 my $table_name = $item{'table_name'};
226 die "Cannot ALTER table '$table_name'; it does not exist"
227 unless $tables{ $table_name };
228 for my $definition ( @{ $item[4] } ) {
229 $definition->{'extra'}->{'alter'} = 1;
230 push @{ $tables{ $table_name }{'constraints'} }, $definition;
234 alter_specification : ADD foreign_key_def
235 { $return = $item[2] }
237 create : CREATE /database/i NAME "$delimiter"
238 { @table_comments = () }
240 create : CREATE TEMPORARY(?) TABLE opt_if_not_exists(?) table_name '(' create_definition(s /,/) /(,\s*)?\)/ table_option(s?) "$delimiter"
242 my $table_name = $item{'table_name'};
243 die "There is more than one definition for $table_name"
244 if ($tables{$table_name});
246 $tables{ $table_name }{'order'} = ++$table_order;
247 $tables{ $table_name }{'table_name'} = $table_name;
249 if ( @table_comments ) {
250 $tables{ $table_name }{'comments'} = [ @table_comments ];
251 @table_comments = ();
255 for my $definition ( @{ $item[7] } ) {
256 if ( $definition->{'supertype'} eq 'field' ) {
257 my $field_name = $definition->{'name'};
258 $tables{ $table_name }{'fields'}{ $field_name } =
259 { %$definition, order => $i };
262 if ( $definition->{'is_primary_key'} ) {
263 push @{ $tables{ $table_name }{'constraints'} },
265 type => 'primary_key',
266 fields => [ $field_name ],
271 elsif ( $definition->{'supertype'} eq 'constraint' ) {
272 push @{ $tables{ $table_name }{'constraints'} }, $definition;
274 elsif ( $definition->{'supertype'} eq 'index' ) {
275 push @{ $tables{ $table_name }{'indices'} }, $definition;
279 if ( my @options = @{ $item{'table_option(s?)'} } ) {
280 for my $option ( @options ) {
281 my ( $key, $value ) = each %$option;
282 if ( $key eq 'comment' ) {
283 push @{ $tables{ $table_name }{'comments'} }, $value;
286 push @{ $tables{ $table_name }{'table_options'} }, $option;
294 opt_if_not_exists : /if not exists/i
296 create : CREATE UNIQUE(?) /(index|key)/i index_name /on/i table_name '(' field_name(s /,/) ')' "$delimiter"
298 @table_comments = ();
299 push @{ $tables{ $item{'table_name'} }{'indices'} },
302 type => $item[2][0] ? 'unique' : 'normal',
308 create : CREATE /trigger/i NAME not_delimiter "$delimiter"
310 @table_comments = ();
313 create : CREATE PROCEDURE NAME not_delimiter "$delimiter"
315 @table_comments = ();
316 my $func_name = $item[3];
318 my $sql = "$item[1] $item[2] $item[3] $item[4]";
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'} = $sql;
326 PROCEDURE : /procedure/i
329 create : CREATE or_replace(?) create_view_option(s?) /view/i NAME /as/i view_select_statement "$delimiter"
331 @table_comments = ();
332 my $view_name = $item{'NAME'};
333 my $select_sql = $item{'view_select_statement'};
334 my $options = $item{'create_view_option(s?)'};
337 grep { defined and length }
338 map { ref $_ eq 'ARRAY' ? @$_ : $_ }
340 $item{'or_replace(?)'},
348 $_->{'alias'} ? ' as ' . $_->{'alias'} : ''
351 @{ $select_sql->{'columns'} || [] }
358 $_->{'alias'} ? ' as ' . $_->{'alias'} : ''
361 @{ $select_sql->{'from'}{'tables'} || [] }
363 $select_sql->{'from'}{'where'}
364 ? 'where ' . $select_sql->{'from'}{'where'}
369 # Hack to strip database from function calls in SQL
370 $sql =~ s#`\w+`\.(`\w+`\()##g;
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'};
379 create_view_option : view_algorithm | view_sql_security | view_definer
381 or_replace : /or replace/i
383 view_algorithm : /algorithm/i /=/ WORD
385 $return = "$item[1]=$item[3]";
388 view_definer : /definer=\S+/i
390 view_sql_security : /sql \s+ security \s+ (definer|invoker)/ixs
392 not_delimiter : /.*?(?=$delimiter)/is
394 view_select_statement : /[(]?/ /select/i view_column_def /from/i view_table_def /[)]?/
397 columns => $item{'view_column_def'},
398 from => $item{'view_table_def'},
402 view_column_def : /(.*?)(?=\bfrom\b)/ixs
404 # split on commas not in parens,
405 # e.g., "concat_ws(\' \', first, last) as first_last"
406 my @tmp = $1 =~ /((?:[^(,]+|\(.*?\))+)/g;
408 for my $col ( @tmp ) {
409 my ( $name, $alias ) = map {
413 } split /\s+as\s+/i, $col;
415 push @cols, { name => $name, alias => $alias || '' };
421 not_delimiter : /.*?(?=$delimiter)/is
423 view_table_def : not_delimiter
425 my $clause = $item[1];
426 my $where = $1 if $clause =~ s/\bwhere \s+ (.*)//ixs;
427 $clause =~ s/[)]\s*$//;
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 || '' };
437 where => $where || '',
441 view_column_alias : /as/i NAME
442 { $return = $item[2] }
444 create_definition : constraint
450 comment : /^\s*(?:#|-{2}).*\n/
452 my $comment = $item[1];
453 $comment =~ s/^\s*(#|--)\s*//;
454 $comment =~ s/\s*$//;
458 comment : m{ / \* (?! \!) .*? \* / }xs
460 my $comment = $item[2];
461 $comment = substr($comment, 0, -2);
462 $comment =~ s/^\s*|\s*$//g;
466 comment_like_command : m{/\*!(\d+)?}s
468 comment_end : m{ \* / }xs
470 field_comment : /^\s*(?:#|-{2}).*\n/
472 my $comment = $item[1];
473 $comment =~ s/^\s*(#|--)\s*//;
474 $comment =~ s/\s*$//;
481 field : field_comment(s?) field_name data_type field_qualifier(s?) reference_definition(?) on_update(?) field_comment(s?)
483 my %qualifiers = map { %$_ } @{ $item{'field_qualifier(s?)'} || [] };
484 if ( my @type_quals = @{ $item{'data_type'}{'qualifiers'} || [] } ) {
485 $qualifiers{ $_ } = 1 for @type_quals;
488 my $null = defined $qualifiers{'not_null'}
489 ? $qualifiers{'not_null'} : 1;
490 delete $qualifiers{'not_null'};
492 my @comments = ( @{ $item[1] }, (exists $qualifiers{comment} ? delete $qualifiers{comment} : ()) , @{ $item[7] } );
495 supertype => 'field',
496 name => $item{'field_name'},
497 data_type => $item{'data_type'}{'type'},
498 size => $item{'data_type'}{'size'},
499 list => $item{'data_type'}{'list'},
501 constraints => $item{'reference_definition(?)'},
502 comments => [ @comments ],
508 field_qualifier : not_null
511 null => $item{'not_null'},
515 field_qualifier : default_val
518 default => $item{'default_val'},
522 field_qualifier : auto_inc
525 is_auto_inc => $item{'auto_inc'},
529 field_qualifier : primary_key
532 is_primary_key => $item{'primary_key'},
536 field_qualifier : unsigned
539 is_unsigned => $item{'unsigned'},
543 field_qualifier : /character set/i WORD
546 'CHARACTER SET' => $item[2],
550 field_qualifier : /collate/i WORD
557 field_qualifier : /on update/i CURRENT_TIMESTAMP
560 'ON UPDATE' => $item[2],
564 field_qualifier : /unique/i KEY(?)
571 field_qualifier : KEY
578 field_qualifier : /comment/i string
585 reference_definition : /references/i table_name parens_field_list(?) match_type(?) on_delete(?) on_update(?)
588 type => 'foreign_key',
589 reference_table => $item[2],
590 reference_fields => $item[3][0],
591 match_type => $item[4][0],
592 on_delete => $item[5][0],
593 on_update => $item[6][0],
597 match_type : /match full/i { 'full' }
599 /match partial/i { 'partial' }
601 on_delete : /on delete/i reference_option
605 /on update/i CURRENT_TIMESTAMP
608 /on update/i reference_option
611 reference_option: /restrict/i |
629 data_type : WORD parens_value_list(s?) type_qualifier(s?)
632 my $size; # field size, applicable only to non-set fields
633 my $list; # set list, applicable only to sets (duh)
635 if ( uc($type) =~ /^(SET|ENUM)$/ ) {
649 qualifiers => $item[3],
653 parens_field_list : '(' field_name(s /,/) ')'
656 parens_value_list : '(' VALUE(s /,/) ')'
659 type_qualifier : /(BINARY|UNSIGNED|ZEROFILL)/i
664 create_index : /create/i /index/i
666 not_null : /not/i /null/i
672 unsigned : /unsigned/i { $return = 0 }
675 /default/i CURRENT_TIMESTAMP
687 $item[2] =~ s/b['"]([01]+)['"]/$1/g;
691 /default/i /[\w\d:.-]+/
696 /default/i NAME # column value, allowed in MariaDB
701 auto_inc : /auto_increment/i { 1 }
703 primary_key : /primary/i /key/i { 1 }
705 constraint : primary_key_def
711 expr : /[^)]* \( [^)]+ \) [^)]*/x # parens, balanced one deep
714 check_def : check_def_begin '(' expr ')'
717 supertype => 'constraint',
720 expression => $item[3],
724 check_def_begin : /constraint/i /check/i NAME
725 { $return = $item[3] }
727 /constraint/i NAME /check/i
728 { $return = $item[2] }
730 /constraint/i /check/i
733 foreign_key_def : foreign_key_def_begin parens_field_list reference_definition
736 supertype => 'constraint',
737 type => 'foreign_key',
740 %{ $item{'reference_definition'} },
744 foreign_key_def_begin : /constraint/i /foreign key/i NAME
745 { $return = $item[3] }
747 /constraint/i NAME /foreign key/i
748 { $return = $item[2] }
750 /constraint/i /foreign key/i
754 { $return = $item[2] }
759 primary_key_def : primary_key index_type(?) '(' name_with_opt_paren(s /,/) ')' index_type(?)
762 supertype => 'constraint',
763 type => 'primary_key',
765 options => $item[2][0] || $item[6][0],
768 # In theory, and according to the doc, names should not be allowed here, but
769 # MySQL accept (and ignores) them, so we are not going to be less :)
770 | primary_key index_name_not_using(?) '(' name_with_opt_paren(s /,/) ')' index_type(?)
773 supertype => 'constraint',
774 type => 'primary_key',
776 options => $item[6][0],
780 unique_key_def : UNIQUE KEY(?) index_name_not_using(?) index_type(?) '(' name_with_opt_paren(s /,/) ')' index_type(?)
783 supertype => 'constraint',
787 options => $item[4][0] || $item[8][0],
791 normal_index : KEY index_name_not_using(?) index_type(?) '(' name_with_opt_paren(s /,/) ')' index_type(?)
794 supertype => 'index',
798 options => $item[3][0] || $item[7][0],
802 index_name_not_using : QUOTED_NAME
803 | /(\b(?!using)\w+\b)/ { $return = ($1 =~ /^using/i) ? undef : $1 }
805 index_type : /using (btree|hash|rtree)/i { $return = uc $1 }
807 fulltext_index : /fulltext/i KEY(?) index_name(?) '(' name_with_opt_paren(s /,/) ')'
810 supertype => 'index',
812 name => $item{'index_name(?)'}[0],
817 spatial_index : /spatial/i KEY(?) index_name(?) '(' name_with_opt_paren(s /,/) ')'
820 supertype => 'index',
822 name => $item{'index_name(?)'}[0],
827 name_with_opt_paren : NAME parens_value_list(s?)
828 { $item[2][0] ? "$item[1]($item[2][0][0])" : $item[1] }
832 KEY : /key/i | /index/i
834 table_option : /comment/i /=/ string
836 $return = { comment => $item[3] };
838 | /(default )?(charset|character set)/i /\s*=?\s*/ NAME
840 $return = { 'CHARACTER SET' => $item[3] };
844 $return = { 'COLLATE' => $item[2] }
846 | /union/i /\s*=\s*/ '(' table_name(s /,/) ')'
848 $return = { $item[1] => $item[4] };
850 | WORD /\s*=\s*/ table_option_value
852 $return = { $item[1] => $item[3] };
855 table_option_value : VALUE
866 TEMPORARY : /temporary/i
882 QUOTED_NAME : BQSTRING
886 # MySQL strings, unlike common SQL strings, can have the delmiters
887 # escaped either by doubling or by backslashing.
888 BQSTRING: BACKTICK <skip: ''> /(?:[^\\`]|``|\\.)*/ BACKTICK
889 { ($return = $item[3]) =~ s/(\\[\\`]|``)/substr($1,1)/ge }
891 DQSTRING: DOUBLE_QUOTE <skip: ''> /(?:[^\\"]|""|\\.)*/ DOUBLE_QUOTE
892 { ($return = $item[3]) =~ s/(\\[\\"]|"")/substr($1,1)/ge }
894 SQSTRING: SINGLE_QUOTE <skip: ''> /(?:[^\\']|''|\\.)*/ SINGLE_QUOTE
895 { ($return = $item[3]) =~ s/(\\[\\']|'')/substr($1,1)/ge }
901 VALUE : /[-+]?\d*\.?\d+(?:[eE]\d+)?/
908 # always a scalar-ref, so that it is treated as a function and not quoted by consumers
910 /current_timestamp(\(\))?/i { \'CURRENT_TIMESTAMP' }
911 | /now\(\)/i { \'CURRENT_TIMESTAMP' }
916 my ( $translator, $data ) = @_;
918 # Enable warnings within the Parse::RecDescent module.
919 # Make sure the parser dies when it encounters an error
920 local $::RD_ERRORS = 1 unless defined $::RD_ERRORS;
921 # Enable warnings. This will warn on unused rules &c.
922 local $::RD_WARN = 1 unless defined $::RD_WARN;
923 # Give out hints to help fix problems.
924 local $::RD_HINT = 1 unless defined $::RD_HINT;
925 local $::RD_TRACE = $translator->trace ? 1 : undef;
926 local $DEBUG = $translator->debug;
928 my $parser = ddl_parser_instance('MySQL');
930 # Preprocess for MySQL-specific and not-before-version comments
932 my $parser_version = parse_mysql_version(
933 $translator->parser_args->{mysql_parser_version}, 'mysql'
934 ) || DEFAULT_PARSER_VERSION;
937 s#/\*!(\d{5})?(.*?)\*/#($1 && $1 > $parser_version ? '' : $2)#es
939 # do nothing; is there a better way to write this? -- ky
942 my $result = $parser->startrule($data);
943 return $translator->error( "Parse failed." ) unless defined $result;
944 warn "Parse result:".Dumper( $result ) if $DEBUG;
946 my $schema = $translator->schema;
947 $schema->name($result->{'database_name'}) if $result->{'database_name'};
950 $result->{'tables'}{ $a }{'order'}
952 $result->{'tables'}{ $b }{'order'}
953 } keys %{ $result->{'tables'} };
955 for my $table_name ( @tables ) {
956 my $tdata = $result->{tables}{ $table_name };
957 my $table = $schema->add_table(
958 name => $tdata->{'table_name'},
959 ) or die $schema->error;
961 $table->comments( $tdata->{'comments'} );
964 $tdata->{'fields'}->{$a}->{'order'}
966 $tdata->{'fields'}->{$b}->{'order'}
967 } keys %{ $tdata->{'fields'} };
969 for my $fname ( @fields ) {
970 my $fdata = $tdata->{'fields'}{ $fname };
971 my $field = $table->add_field(
972 name => $fdata->{'name'},
973 data_type => $fdata->{'data_type'},
974 size => $fdata->{'size'},
975 default_value => $fdata->{'default'},
976 is_auto_increment => $fdata->{'is_auto_inc'},
977 is_nullable => $fdata->{'null'},
978 comments => $fdata->{'comments'},
979 ) or die $table->error;
981 $table->primary_key( $field->name ) if $fdata->{'is_primary_key'};
983 for my $qual ( qw[ binary unsigned zerofill list collate ],
984 'character set', 'on update' ) {
985 if ( my $val = $fdata->{ $qual } || $fdata->{ uc $qual } ) {
986 next if ref $val eq 'ARRAY' && !@$val;
987 $field->extra( $qual, $val );
991 if ( $fdata->{'has_index'} ) {
995 fields => $fdata->{'name'},
996 ) or die $table->error;
999 if ( $fdata->{'is_unique'} ) {
1000 $table->add_constraint(
1003 fields => $fdata->{'name'},
1004 ) or die $table->error;
1007 for my $cdata ( @{ $fdata->{'constraints'} } ) {
1008 next unless $cdata->{'type'} eq 'foreign_key';
1009 $cdata->{'fields'} ||= [ $field->name ];
1010 push @{ $tdata->{'constraints'} }, $cdata;
1015 for my $idata ( @{ $tdata->{'indices'} || [] } ) {
1016 my $index = $table->add_index(
1017 name => $idata->{'name'},
1018 type => uc $idata->{'type'},
1019 fields => $idata->{'fields'},
1020 ) or die $table->error;
1023 if ( my @options = @{ $tdata->{'table_options'} || [] } ) {
1024 my @cleaned_options;
1025 my @ignore_opts = $translator->parser_args->{'ignore_opts'}
1026 ? split( /,/, $translator->parser_args->{'ignore_opts'} )
1029 my $ignores = { map { $_ => 1 } @ignore_opts };
1030 foreach my $option (@options) {
1031 # make sure the option isn't in ignore list
1032 my ($option_key) = keys %$option;
1033 if ( !exists $ignores->{$option_key} ) {
1034 push @cleaned_options, $option;
1038 @cleaned_options = @options;
1040 $table->options( \@cleaned_options ) or die $table->error;
1043 for my $cdata ( @{ $tdata->{'constraints'} || [] } ) {
1044 my $constraint = $table->add_constraint(
1045 name => $cdata->{'name'},
1046 type => $cdata->{'type'},
1047 fields => $cdata->{'fields'},
1048 expression => $cdata->{'expression'},
1049 reference_table => $cdata->{'reference_table'},
1050 reference_fields => $cdata->{'reference_fields'},
1051 match_type => $cdata->{'match_type'} || '',
1052 on_delete => $cdata->{'on_delete'}
1053 || $cdata->{'on_delete_do'},
1054 on_update => $cdata->{'on_update'}
1055 || $cdata->{'on_update_do'},
1056 ) or die $table->error;
1059 # After the constrains and PK/idxs have been created,
1060 # we normalize fields
1061 normalize_field($_) for $table->get_fields;
1064 my @procedures = sort {
1065 $result->{procedures}->{ $a }->{'order'}
1067 $result->{procedures}->{ $b }->{'order'}
1068 } keys %{ $result->{procedures} };
1070 for my $proc_name ( @procedures ) {
1071 $schema->add_procedure(
1073 owner => $result->{procedures}->{$proc_name}->{owner},
1074 sql => $result->{procedures}->{$proc_name}->{sql},
1079 $result->{views}->{ $a }->{'order'}
1081 $result->{views}->{ $b }->{'order'}
1082 } keys %{ $result->{views} };
1084 for my $view_name ( @views ) {
1085 my $view = $result->{'views'}{ $view_name };
1086 my @flds = map { $_->{'alias'} || $_->{'name'} }
1087 @{ $view->{'select'}{'columns'} || [] };
1088 my @from = map { $_->{'alias'} || $_->{'name'} }
1089 @{ $view->{'from'}{'tables'} || [] };
1093 sql => $view->{'sql'},
1094 order => $view->{'order'},
1097 options => $view->{'options'}
1104 # Takes a field, and returns
1105 sub normalize_field {
1107 my ($size, $type, $list, $unsigned, $changed);
1109 $size = $field->size;
1110 $type = $field->data_type;
1111 $list = $field->extra->{list} || [];
1112 $unsigned = defined($field->extra->{unsigned});
1114 if ( !ref $size && $size eq 0 ) {
1115 if ( lc $type eq 'tinyint' ) {
1116 $changed = $size != 4 - $unsigned;
1117 $size = 4 - $unsigned;
1119 elsif ( lc $type eq 'smallint' ) {
1120 $changed = $size != 6 - $unsigned;
1121 $size = 6 - $unsigned;
1123 elsif ( lc $type eq 'mediumint' ) {
1124 $changed = $size != 9 - $unsigned;
1125 $size = 9 - $unsigned;
1127 elsif ( $type =~ /^int(eger)?$/i ) {
1128 $changed = $size != 11 - $unsigned || $type ne 'int';
1130 $size = 11 - $unsigned;
1132 elsif ( lc $type eq 'bigint' ) {
1133 $changed = $size != 20;
1136 elsif ( lc $type =~ /(float|double|decimal|numeric|real|fixed|dec)/ ) {
1137 my $old_size = (ref $size || '') eq 'ARRAY' ? $size : [];
1138 $changed = @$old_size != 2
1139 || $old_size->[0] != 8
1140 || $old_size->[1] != 2;
1145 if ( $type =~ /^tiny(text|blob)$/i ) {
1146 $changed = $size != 255;
1149 elsif ( $type =~ /^(blob|text)$/i ) {
1150 $changed = $size != 65_535;
1153 elsif ( $type =~ /^medium(blob|text)$/i ) {
1154 $changed = $size != 16_777_215;
1157 elsif ( $type =~ /^long(blob|text)$/i ) {
1158 $changed = $size != 4_294_967_295;
1159 $size = 4_294_967_295;
1162 if ( $field->data_type =~ /(set|enum)/i && !$field->size ) {
1163 my %extra = $field->extra;
1165 for my $len ( map { length } @{ $extra{'list'} || [] } ) {
1166 $longest = $len if $len > $longest;
1169 $size = $longest if $longest;
1174 # We only want to clone the field, not *everything*
1176 local $field->{table} = undef;
1177 $field->parsed_field( dclone( $field ) );
1178 $field->parsed_field->{table} = $field->table;
1180 $field->size( $size );
1181 $field->data_type( $type );
1182 $field->sql_data_type( $type_mapping{ lc $type } )
1183 if exists $type_mapping{ lc $type };
1184 $field->extra->{list} = $list if @$list;
1190 # -------------------------------------------------------------------
1191 # Where man is not nature is barren.
1193 # -------------------------------------------------------------------
1199 Ken Youens-Clark E<lt>kclark@cpan.orgE<gt>,
1200 Chris Mungall E<lt>cjm@fruitfly.orgE<gt>.
1204 Parse::RecDescent, SQL::Translator::Schema.