X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FSQL%2FTranslator%2FParser%2FMySQL.pm;h=b833d99e3d22d344d5ce665374f01ece12bf15b8;hb=d4f84dd192edc7a64a0b1a9923f1bafc0bc5ef9d;hp=86bae9c1247c59b1175e0e840274ba986c6aa832;hpb=be019aae477f7c8af73452b1bfbb71f6a3c777d4;p=dbsrgits%2FSQL-Translator.git diff --git a/lib/SQL/Translator/Parser/MySQL.pm b/lib/SQL/Translator/Parser/MySQL.pm index 86bae9c..b833d99 100644 --- a/lib/SQL/Translator/Parser/MySQL.pm +++ b/lib/SQL/Translator/Parser/MySQL.pm @@ -1,11 +1,9 @@ package SQL::Translator::Parser::MySQL; # ------------------------------------------------------------------- -# $Id: MySQL.pm,v 1.16 2003-05-03 15:02:15 kycl4rk Exp $ +# $Id: MySQL.pm 1440 2009-01-17 16:31:57Z jawnsy $ # ------------------------------------------------------------------- -# Copyright (C) 2003 Ken Y. Clark , -# darren chamberlain , -# Chris Mungall +# Copyright (C) 2002-2009 SQLFairy Authors # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License as @@ -103,9 +101,12 @@ Here's the word from the MySQL site table_options: TYPE = {BDB | HEAP | ISAM | InnoDB | MERGE | MRG_MYISAM | MYISAM } + or ENGINE = {BDB | HEAP | ISAM | InnoDB | MERGE | MRG_MYISAM | MYISAM } or AUTO_INCREMENT = # or AVG_ROW_LENGTH = # + or [ DEFAULT ] CHARACTER SET charset_name or CHECKSUM = {0 | 1} + or COLLATE collation_name or COMMENT = "string" or MAX_ROWS = # or MIN_ROWS = # @@ -119,18 +120,49 @@ Here's the word from the MySQL site or DATA DIRECTORY="absolute path to directory" or INDEX DIRECTORY="absolute path to directory" + +A subset of the ALTER TABLE syntax that allows addition of foreign keys: + + ALTER [IGNORE] TABLE tbl_name alter_specification [, alter_specification] ... + + alter_specification: + ADD [CONSTRAINT [symbol]] + FOREIGN KEY [index_name] (index_col_name,...) + [reference_definition] + +A subset of INSERT that we ignore: + + INSERT anything + +=head1 ARGUMENTS + +This parser takes a single optional parser_arg C, which +provides the desired version for the target database. Any statement in the processed +dump file, that is commented with a version higher than the one supplied, will be stripped. + +Valid version specifiers for C are listed L + +More information about the MySQL comment-syntax: L + + =cut use strict; -use vars qw[ $DEBUG $VERSION $GRAMMAR @EXPORT_OK ]; -$VERSION = sprintf "%d.%02d", q$Revision: 1.16 $ =~ /(\d+)\.(\d+)/; +use vars qw[ $DEBUG $GRAMMAR @EXPORT_OK ]; $DEBUG = 0 unless defined $DEBUG; use Data::Dumper; use Parse::RecDescent; use Exporter; +use Storable qw(dclone); +use DBI qw(:sql_types); use base qw(Exporter); +use SQL::Translator::Utils qw/parse_mysql_version/; + +our %type_mapping = ( +); + @EXPORT_OK = qw(parse); # Enable warnings within the Parse::RecDescent module. @@ -138,12 +170,14 @@ $::RD_ERRORS = 1; # Make sure the parser dies when it encounters an error $::RD_WARN = 1; # Enable warnings. This will warn on unused rules &c. $::RD_HINT = 1; # Give out hints to help fix problems. -my $parser; # should we do this? There's no programmic way to - # change the grammar, so I think this is safe. +use constant DEFAULT_PARSER_VERSION => 30000; -$GRAMMAR = q! +$GRAMMAR = << 'END_OF_GRAMMAR'; -{ our ( %tables, $table_order ) } +{ + my ( $database_name, %tables, $table_order, @table_comments, %views, $view_order, %procedures, $proc_order ); + my $delimiter = ';'; +} # # The "eofile" rule makes the parser fail if any "statement" rule @@ -151,33 +185,95 @@ $GRAMMAR = q! # won't cause the failure needed to know that the parse, as a whole, # failed. -ky # -startrule : statement(s) eofile { \%tables } +startrule : statement(s) eofile { + { tables => \%tables, database_name => $database_name, views => \%views, procedures =>\%procedures } +} eofile : /^\Z/ statement : comment + | use + | set | drop | create + | alter + | insert + | delimiter + | empty_statement | -drop : /drop/i WORD(s) ';' +use : /use/i WORD "$delimiter" + { + $database_name = $item[2]; + @table_comments = (); + } + +set : /set/i /[^;]+/ "$delimiter" + { @table_comments = () } + +drop : /drop/i TABLE /[^;]+/ "$delimiter" + +drop : /drop/i WORD(s) "$delimiter" + { @table_comments = () } + +string : + # MySQL strings, unlike common SQL strings, can be double-quoted or + # single-quoted, and you can escape the delmiters by doubling (but only the + # delimiter) or by backslashing. + + /'(\\.|''|[^\\\'])*'/ | + /"(\\.|""|[^\\\"])*"/ + # For reference, std sql str: /(?:(?:\')(?:[^\']*(?:(?:\'\')[^\']*)*)(?:\'))// + +nonstring : /[^;\'"]+/ + +statement_body : (string | nonstring)(s?) -create : create_table table_name '(' create_definition(s /,/) ')' table_option(s?) ';' +insert : /insert/i statement_body "$delimiter" + +delimiter : /delimiter/i /[\S]+/ + { $delimiter = $item[2] } + +empty_statement : "$delimiter" + +alter : ALTER TABLE table_name alter_specification(s /,/) "$delimiter" + { + my $table_name = $item{'table_name'}; + die "Cannot ALTER table '$table_name'; it does not exist" + unless $tables{ $table_name }; + for my $definition ( @{ $item[4] } ) { + $definition->{'extra'}->{'alter'} = 1; + push @{ $tables{ $table_name }{'constraints'} }, $definition; + } + } + +alter_specification : ADD foreign_key_def + { $return = $item[2] } + +create : CREATE /database/i WORD "$delimiter" + { @table_comments = () } + +create : CREATE TEMPORARY(?) TABLE opt_if_not_exists(?) table_name '(' create_definition(s /,/) /(,\s*)?\)/ table_option(s?) "$delimiter" { my $table_name = $item{'table_name'}; $tables{ $table_name }{'order'} = ++$table_order; $tables{ $table_name }{'table_name'} = $table_name; + if ( @table_comments ) { + $tables{ $table_name }{'comments'} = [ @table_comments ]; + @table_comments = (); + } + my $i = 1; - for my $definition ( @{ $item[4] } ) { - if ( $definition->{'type'} eq 'field' ) { + for my $definition ( @{ $item[7] } ) { + if ( $definition->{'supertype'} eq 'field' ) { my $field_name = $definition->{'name'}; $tables{ $table_name }{'fields'}{ $field_name } = { %$definition, order => $i }; $i++; if ( $definition->{'is_primary_key'} ) { - push @{ $tables{ $table_name }{'indices'} }, + push @{ $tables{ $table_name }{'constraints'} }, { type => 'primary_key', fields => [ $field_name ], @@ -185,57 +281,148 @@ create : create_table table_name '(' create_definition(s /,/) ')' table_option(s ; } } - else { - push @{ $tables{ $table_name }{'indices'} }, - $definition; + elsif ( $definition->{'supertype'} eq 'constraint' ) { + push @{ $tables{ $table_name }{'constraints'} }, $definition; + } + elsif ( $definition->{'supertype'} eq 'index' ) { + push @{ $tables{ $table_name }{'indices'} }, $definition; } } - for my $opt ( @{ $item{'table_option(s?)'} } ) { - if ( my ( $key, $val ) = each %$opt ) { - $tables{ $table_name }{'table_options'}{ $key } = $val; + if ( my @options = @{ $item{'table_option(s?)'} } ) { + for my $option ( @options ) { + my ( $key, $value ) = each %$option; + if ( $key eq 'comment' ) { + push @{ $tables{ $table_name }{'comments'} }, $value; + } + else { + push @{ $tables{ $table_name }{'table_options'} }, $option; + } } } 1; } -create : /CREATE/i unique(?) /(INDEX|KEY)/i index_name /on/i table_name '(' field_name(s /,/) ')' ';' +opt_if_not_exists : /if not exists/i + +create : CREATE UNIQUE(?) /(index|key)/i index_name /on/i table_name '(' field_name(s /,/) ')' "$delimiter" { + @table_comments = (); push @{ $tables{ $item{'table_name'} }{'indices'} }, { name => $item[4], - type => $item[2] ? 'unique' : 'normal', + type => $item[2][0] ? 'unique' : 'normal', fields => $item[8], } ; } -create_definition : index +create : CREATE /trigger/i NAME not_delimiter "$delimiter" + { + @table_comments = (); + } + +create : CREATE PROCEDURE NAME not_delimiter "$delimiter" + { + @table_comments = (); + my $func_name = $item[3]; + my $owner = ''; + my $sql = "$item[1] $item[2] $item[3] $item[4]"; + + $procedures{ $func_name }{'order'} = ++$proc_order; + $procedures{ $func_name }{'name'} = $func_name; + $procedures{ $func_name }{'owner'} = $owner; + $procedures{ $func_name }{'sql'} = $sql; + } + +PROCEDURE : /procedure/i + | /function/i + +create : CREATE algorithm /view/i NAME not_delimiter "$delimiter" + { + @table_comments = (); + my $view_name = $item[4]; + my $sql = "$item[1] $item[2] $item[3] $item[4] $item[5]"; + + # Hack to strip database from function calls in SQL + $sql =~ s#`\w+`\.(`\w+`\()##g; + + $views{ $view_name }{'order'} = ++$view_order; + $views{ $view_name }{'name'} = $view_name; + $views{ $view_name }{'sql'} = $sql; + } + +algorithm : /algorithm/i /=/ WORD + { + $return = "$item[1]=$item[3]"; + } + +not_delimiter : /.*?(?=$delimiter)/is + +create_definition : constraint + | index | field + | comment | -comment : /^\s*(?:#|-{2}).*\n/ +comment : /^\s*(?:#|-{2}).*\n/ + { + my $comment = $item[1]; + $comment =~ s/^\s*(#|--)\s*//; + $comment =~ s/\s*$//; + $return = $comment; + } + +comment : /\/\*/ /.*?\*\//s + { + my $comment = $item[2]; + $comment = substr($comment, 0, -2); + $comment =~ s/^\s*|\s*$//g; + $return = $comment; + } + +field_comment : /^\s*(?:#|-{2}).*\n/ + { + my $comment = $item[1]; + $comment =~ s/^\s*(#|--)\s*//; + $comment =~ s/\s*$//; + $return = $comment; + } + + +field_comment2 : /comment/i /'.*?'/ + { + my $comment = $item[2]; + $comment =~ s/^'//; + $comment =~ s/'$//; + $return = $comment; + } blank : /\s*/ -field : field_name data_type field_qualifier(s?) reference_definition(?) +field : field_comment(s?) field_name data_type field_qualifier(s?) field_comment2(?) reference_definition(?) on_update(?) field_comment(s?) { - my %qualifiers = map { %$_ } @{ $item{'field_qualifier(s?)'} || [] }; - my $null = defined $item{'not_null'} ? $item{'not_null'} : 1; - delete $qualifiers{'not_null'}; + my %qualifiers = map { %$_ } @{ $item{'field_qualifier(s?)'} || [] }; if ( my @type_quals = @{ $item{'data_type'}{'qualifiers'} || [] } ) { $qualifiers{ $_ } = 1 for @type_quals; } + my $null = defined $qualifiers{'not_null'} + ? $qualifiers{'not_null'} : 1; + delete $qualifiers{'not_null'}; + + my @comments = ( @{ $item[1] }, @{ $item[5] }, @{ $item[8] } ); + $return = { - type => 'field', - name => $item{'field_name'}, - data_type => $item{'data_type'}{'type'}, - size => $item{'data_type'}{'size'}, - list => $item{'data_type'}{'list'}, - null => $null, - constraints => $item{'reference_definition(?)'}, + supertype => 'field', + name => $item{'field_name'}, + data_type => $item{'data_type'}{'type'}, + size => $item{'data_type'}{'size'}, + list => $item{'data_type'}{'list'}, + null => $null, + constraints => $item{'reference_definition(?)'}, + comments => [ @comments ], %qualifiers, } } @@ -276,26 +463,65 @@ field_qualifier : unsigned } } -reference_definition : /references/i table_name parens_field_list(?) match_type(?) on_delete_do(?) on_update_do(?) +field_qualifier : /character set/i WORD { - $return = { + $return = { + 'CHARACTER SET' => $item[2], + } + } + +field_qualifier : /collate/i WORD + { + $return = { + COLLATE => $item[2], + } + } + +field_qualifier : /on update/i CURRENT_TIMESTAMP + { + $return = { + 'ON UPDATE' => $item[2], + } + } + +field_qualifier : /unique/i KEY(?) + { + $return = { + is_unique => 1, + } + } + +field_qualifier : KEY + { + $return = { + has_index => 1, + } + } + +reference_definition : /references/i table_name parens_field_list(?) match_type(?) on_delete(?) on_update(?) + { + $return = { type => 'foreign_key', reference_table => $item[2], reference_fields => $item[3][0], match_type => $item[4][0], - on_delete_do => $item[5][0], - on_update_do => $item[6][0], + on_delete => $item[5][0], + on_update => $item[6][0], } } -match_type : /match full/i { 'match_full' } +match_type : /match full/i { 'full' } | - /match partial/i { 'match_partial' } + /match partial/i { 'partial' } -on_delete_do : /on delete/i reference_option +on_delete : /on delete/i reference_option { $item[2] } -on_update_do : /on update/i reference_option +on_update : + /on update/i 'CURRENT_TIMESTAMP' + { $item[2] } + | + /on update/i reference_option { $item[2] } reference_option: /restrict/i | @@ -305,17 +531,16 @@ reference_option: /restrict/i | /set default/i { $item[1] } -index : primary_key_index - | unique_index +index : normal_index | fulltext_index - | normal_index + | spatial_index | -table_name : WORD +table_name : NAME -field_name : WORD +field_name : NAME -index_name : WORD +index_name : NAME data_type : WORD parens_value_list(s?) type_qualifier(s?) { @@ -332,6 +557,7 @@ data_type : WORD parens_value_list(s?) type_qualifier(s?) $list = []; } + $return = { type => $type, size => $size, @@ -351,24 +577,31 @@ type_qualifier : /(BINARY|UNSIGNED|ZEROFILL)/i field_type : WORD -field_size : '(' num_range ')' { $item{'num_range'} } - -num_range : DIGITS ',' DIGITS - { $return = $item[1].','.$item[3] } - | DIGITS - { $return = $item[1] } - -create_table : /create/i /table/i - create_index : /create/i /index/i -not_null : /not/i /null/i { $return = 0 } +not_null : /not/i /null/i + { $return = 0 } + | + /null/i + { $return = 1 } unsigned : /unsigned/i { $return = 0 } -default_val : /default/i /(?:')?[\w\d:.-]*(?:')?/ - { - $item[2] =~ s/'//g; +#default_val : /default/i /(?:')?[\s\w\d:.-]*(?:')?/ +# { +# $item[2] =~ s/'//g; +# $return = $item[2]; +# } + +default_val : + /default/i 'CURRENT_TIMESTAMP' + { + $return = \$item[2]; + } + | + /default/i /'(?:.*?\\')*.*?'|(?:')?[\w\d:.-]*(?:')?/ + { + $item[2] =~ s/^\s*'|'\s*$//g; $return = $item[2]; } @@ -376,55 +609,129 @@ auto_inc : /auto_increment/i { 1 } primary_key : /primary/i /key/i { 1 } -primary_key_index : primary_key index_name(?) '(' field_name(s /,/) ')' +constraint : primary_key_def + | unique_key_def + | foreign_key_def + | + +foreign_key_def : foreign_key_def_begin parens_field_list reference_definition + { + $return = { + supertype => 'constraint', + type => 'foreign_key', + name => $item[1], + fields => $item[2], + %{ $item{'reference_definition'} }, + } + } + +foreign_key_def_begin : /constraint/i /foreign key/i WORD + { $return = $item[3] } + | + /constraint/i NAME /foreign key/i + { $return = $item[2] } + | + /constraint/i /foreign key/i + { $return = '' } + | + /foreign key/i WORD + { $return = $item[2] } + | + /foreign key/i + { $return = '' } + +primary_key_def : primary_key index_name(?) '(' name_with_opt_paren(s /,/) ')' { - $return = { - name => $item{'index_name(?)'}[0], - type => 'primary_key', - fields => $item[4], + $return = { + supertype => 'constraint', + name => $item{'index_name(?)'}[0], + type => 'primary_key', + fields => $item[4], }; } -normal_index : key index_name(?) '(' name_with_opt_paren(s /,/) ')' +unique_key_def : UNIQUE KEY(?) index_name(?) '(' name_with_opt_paren(s /,/) ')' { - $return = { - name => $item{'index_name(?)'}[0], - type => 'normal', - fields => $item[4], + $return = { + supertype => 'constraint', + name => $item{'index_name(?)'}[0], + type => 'unique', + fields => $item[5], } } -unique_index : unique key(?) index_name(?) '(' name_with_opt_paren(s /,/) ')' +normal_index : KEY index_name(?) '(' name_with_opt_paren(s /,/) ')' { - $return = { - name => $item{'index_name(?)'}[0], - type => 'unique', - fields => $item[5], + $return = { + supertype => 'index', + type => 'normal', + name => $item{'index_name(?)'}[0], + fields => $item[4], } } -fulltext_index : fulltext key(?) index_name(?) '(' name_with_opt_paren(s /,/) ')' +fulltext_index : /fulltext/i KEY(?) index_name(?) '(' name_with_opt_paren(s /,/) ')' { - $return = { - name => $item{'index_name(?)'}[0], - type => 'fulltext', - fields => $item[5], + $return = { + supertype => 'index', + type => 'fulltext', + name => $item{'index_name(?)'}[0], + fields => $item[5], + } + } + +spatial_index : /spatial/i KEY(?) index_name(?) '(' name_with_opt_paren(s /,/) ')' + { + $return = { + supertype => 'index', + type => 'spatial', + name => $item{'index_name(?)'}[0], + fields => $item[5], } } name_with_opt_paren : NAME parens_value_list(s?) { $item[2][0] ? "$item[1]($item[2][0][0])" : $item[1] } -fulltext : /fulltext/i { 1 } - -unique : /unique/i { 1 } +UNIQUE : /unique/i -key : /key/i | /index/i +KEY : /key/i | /index/i -table_option : /[^\s;]*/ +table_option : /comment/i /=/ /'.*?'/ + { + my $comment = $item[3]; + $comment =~ s/^'//; + $comment =~ s/'$//; + $return = { comment => $comment }; + } + | /(default )?(charset|character set)/i /\s*=?\s*/ WORD + { + $return = { 'CHARACTER SET' => $item[3] }; + } + | /collate/i WORD + { + $return = { 'COLLATE' => $item[2] } + } + | /union/i /\s*=\s*/ '(' table_name(s /,/) ')' + { + $return = { $item[1] => $item[4] }; + } + | WORD /\s*=\s*/ WORD { - $return = { split /=/, $item[1] } + $return = { $item[1] => $item[3] }; } + +default : /default/i + +ADD : /add/i + +ALTER : /alter/i + +CREATE : /create/i + +TEMPORARY : /temporary/i + +TABLE : /table/i WORD : /\w+/ @@ -432,31 +739,35 @@ DIGITS : /\d+/ COMMA : ',' -NAME : "`" /\w+/ "`" +BACKTICK : '`' + +NAME : BACKTICK /[^`]+/ BACKTICK { $item[2] } | /\w+/ { $item[1] } VALUE : /[-+]?\.?\d+(?:[eE]\d+)?/ { $item[1] } - | /'.*?'/ # XXX doesn't handle embedded quotes - { $item[1] } + | /'.*?'/ + { + # remove leading/trailing quotes + my $val = $item[1]; + $val =~ s/^['"]|['"]$//g; + $return = $val; + } | /NULL/ { 'NULL' } -# { -# { -# value => $item[1], -# attribute => $item[2] -# } -# } -!; +CURRENT_TIMESTAMP : /current_timestamp(\(\))?/i + | /now\(\)/i + { 'CURRENT_TIMESTAMP' } + +END_OF_GRAMMAR # ------------------------------------------------------------------- sub parse { my ( $translator, $data ) = @_; - $parser ||= Parse::RecDescent->new($GRAMMAR); - + my $parser = Parse::RecDescent->new($GRAMMAR); local $::RD_TRACE = $translator->trace ? 1 : undef; local $DEBUG = $translator->debug; @@ -464,29 +775,246 @@ sub parse { return $translator->error("Error instantiating Parse::RecDescent ". "instance: Bad grammer"); } + + # Preprocess for MySQL-specific and not-before-version comments from mysqldump + my $parser_version = + parse_mysql_version ($translator->parser_args->{mysql_parser_version}, 'mysql') + || DEFAULT_PARSER_VERSION; + while ( $data =~ s#/\*!(\d{5})?(.*?)\*/#($1 && $1 > $parser_version ? '' : $2)#es ) {} my $result = $parser->startrule($data); - die "Parse failed.\n" unless defined $result; - warn Dumper($result) if $DEBUG; - return $result; + return $translator->error( "Parse failed." ) unless defined $result; + warn "Parse result:".Dumper( $result ) if $DEBUG; + + my $schema = $translator->schema; + $schema->name($result->{'database_name'}) if $result->{'database_name'}; + + my @tables = sort { + $result->{'tables'}{ $a }{'order'} + <=> + $result->{'tables'}{ $b }{'order'} + } keys %{ $result->{'tables'} }; + + for my $table_name ( @tables ) { + my $tdata = $result->{tables}{ $table_name }; + my $table = $schema->add_table( + name => $tdata->{'table_name'}, + ) or die $schema->error; + + $table->comments( $tdata->{'comments'} ); + + my @fields = sort { + $tdata->{'fields'}->{$a}->{'order'} + <=> + $tdata->{'fields'}->{$b}->{'order'} + } keys %{ $tdata->{'fields'} }; + + for my $fname ( @fields ) { + my $fdata = $tdata->{'fields'}{ $fname }; + my $field = $table->add_field( + name => $fdata->{'name'}, + data_type => $fdata->{'data_type'}, + size => $fdata->{'size'}, + default_value => $fdata->{'default'}, + is_auto_increment => $fdata->{'is_auto_inc'}, + is_nullable => $fdata->{'null'}, + comments => $fdata->{'comments'}, + ) or die $table->error; + + $table->primary_key( $field->name ) if $fdata->{'is_primary_key'}; + + for my $qual ( qw[ binary unsigned zerofill list collate ], + 'character set', 'on update' ) { + if ( my $val = $fdata->{ $qual } || $fdata->{ uc $qual } ) { + next if ref $val eq 'ARRAY' && !@$val; + $field->extra( $qual, $val ); + } + } + + if ( $fdata->{'has_index'} ) { + $table->add_index( + name => '', + type => 'NORMAL', + fields => $fdata->{'name'}, + ) or die $table->error; + } + + if ( $fdata->{'is_unique'} ) { + $table->add_constraint( + name => '', + type => 'UNIQUE', + fields => $fdata->{'name'}, + ) or die $table->error; + } + + for my $cdata ( @{ $fdata->{'constraints'} } ) { + next unless $cdata->{'type'} eq 'foreign_key'; + $cdata->{'fields'} ||= [ $field->name ]; + push @{ $tdata->{'constraints'} }, $cdata; + } + + } + + for my $idata ( @{ $tdata->{'indices'} || [] } ) { + my $index = $table->add_index( + name => $idata->{'name'}, + type => uc $idata->{'type'}, + fields => $idata->{'fields'}, + ) or die $table->error; + } + + if ( my @options = @{ $tdata->{'table_options'} || [] } ) { + my @cleaned_options; + my @ignore_opts = $translator->parser_args->{ignore_opts}?split(/,/,$translator->parser_args->{ignore_opts}):(); + if (@ignore_opts) { + my $ignores = { map { $_ => 1 } @ignore_opts }; + foreach my $option (@options) { + # make sure the option isn't in ignore list + my ($option_key) = keys %$option; + push(@cleaned_options, $option) unless (exists $ignores->{$option_key}); + } + } else { + @cleaned_options = @options; + } + $table->options( \@cleaned_options ) or die $table->error; + } + + for my $cdata ( @{ $tdata->{'constraints'} || [] } ) { + my $constraint = $table->add_constraint( + name => $cdata->{'name'}, + type => $cdata->{'type'}, + fields => $cdata->{'fields'}, + reference_table => $cdata->{'reference_table'}, + reference_fields => $cdata->{'reference_fields'}, + match_type => $cdata->{'match_type'} || '', + on_delete => $cdata->{'on_delete'} || $cdata->{'on_delete_do'}, + on_update => $cdata->{'on_update'} || $cdata->{'on_update_do'}, + ) or die $table->error; + } + + # After the constrains and PK/idxs have been created, we normalize fields + normalize_field($_) for $table->get_fields; + } + + my @procedures = sort { + $result->{procedures}->{ $a }->{'order'} <=> $result->{procedures}->{ $b }->{'order'} + } keys %{ $result->{procedures} }; + foreach my $proc_name (@procedures) { + $schema->add_procedure( + name => $proc_name, + owner => $result->{procedures}->{$proc_name}->{owner}, + sql => $result->{procedures}->{$proc_name}->{sql}, + ); + } + + my @views = sort { + $result->{views}->{ $a }->{'order'} <=> $result->{views}->{ $b }->{'order'} + } keys %{ $result->{views} }; + foreach my $view_name (keys %{ $result->{views} }) { + $schema->add_view( + name => $view_name, + sql => $result->{views}->{$view_name}->{sql}, + ); + } + + return 1; } +# Takes a field, and returns +sub normalize_field { + my ($field) = @_; + my ($size, $type, $list, $changed) = @_; + + $size = $field->size; + $type = $field->data_type; + $list = $field->extra->{list} || []; + + if ( !ref $size && $size eq 0 ) { + if ( lc $type eq 'tinyint' ) { + $changed = $size != 4; + $size = 4; + } + elsif ( lc $type eq 'smallint' ) { + $changed = $size != 6; + $size = 6; + } + elsif ( lc $type eq 'mediumint' ) { + $changed = $size != 9; + $size = 9; + } + elsif ( $type =~ /^int(eger)?$/i ) { + $changed = $size != 11 || $type ne 'int'; + $type = 'int'; + $size = 11; + } + elsif ( lc $type eq 'bigint' ) { + $changed = $size != 20; + $size = 20; + } + elsif ( lc $type =~ /(float|double|decimal|numeric|real|fixed|dec)/ ) { + my $old_size = (ref $size || '') eq 'ARRAY' ? $size : []; + $changed = @$old_size != 2 || $old_size->[0] != 8 || $old_size->[1] != 2; + $size = [8,2]; + } + } + + if ( $type =~ /^tiny(text|blob)$/i ) { + $changed = $size != 255; + $size = 255; + } + elsif ( $type =~ /^(blob|text)$/i ) { + $changed = $size != 65_535; + $size = 65_535; + } + elsif ( $type =~ /^medium(blob|text)$/i ) { + $changed = $size != 16_777_215; + $size = 16_777_215; + } + elsif ( $type =~ /^long(blob|text)$/i ) { + $changed = $size != 4_294_967_295; + $size = 4_294_967_295; + } + if ( $field->data_type =~ /(set|enum)/i && !$field->size ) { + my %extra = $field->extra; + my $longest = 0; + for my $len ( map { length } @{ $extra{'list'} || [] } ) { + $longest = $len if $len > $longest; + } + $changed = 1; + $size = $longest if $longest; + } + + + if ($changed) { + # We only want to clone the field, not *everything* + { local $field->{table} = undef; + $field->parsed_field(dclone($field)); + $field->parsed_field->{table} = $field->table; + } + $field->size($size); + $field->data_type($type); + $field->sql_data_type( $type_mapping{lc $type} ) if exists $type_mapping{lc $type}; + $field->extra->{list} = $list if @$list; + } +} + + 1; -#----------------------------------------------------- +# ------------------------------------------------------------------- # Where man is not nature is barren. # William Blake -#----------------------------------------------------- +# ------------------------------------------------------------------- =pod =head1 AUTHOR -Ken Y. Clark Ekclark@cpan.orgE, -Chris Mungall +Ken Youens-Clark Ekclark@cpan.orgE, +Chris Mungall Ecjm@fruitfly.orgE. =head1 SEE ALSO -perl(1), Parse::RecDescent. +Parse::RecDescent, SQL::Translator::Schema. =cut