X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FSQL%2FTranslator%2FParser%2FPostgreSQL.pm;h=3281f7a59902cd105897c1df9f579a300c772067;hb=8c12c4066e7b70bfa3aee7185f831a30d2bf9025;hp=5b026e27db7b0a6e2c3103b7c584f3f01cfee983;hpb=629b76f99c2e35e96a2a5cc4fc4b7dc552dab64f;p=dbsrgits%2FSQL-Translator.git diff --git a/lib/SQL/Translator/Parser/PostgreSQL.pm b/lib/SQL/Translator/Parser/PostgreSQL.pm index 5b026e2..3281f7a 100644 --- a/lib/SQL/Translator/Parser/PostgreSQL.pm +++ b/lib/SQL/Translator/Parser/PostgreSQL.pm @@ -1,7 +1,7 @@ package SQL::Translator::Parser::PostgreSQL; # ------------------------------------------------------------------- -# $Id: PostgreSQL.pm,v 1.6 2003-02-25 14:55:36 kycl4rk Exp $ +# $Id: PostgreSQL.pm,v 1.36 2004-02-04 17:32:22 dlc Exp $ # ------------------------------------------------------------------- # Copyright (C) 2003 Ken Y. Clark , # Allen Day , @@ -84,11 +84,34 @@ Index: [ USING acc_method ] ( func_name( column [, ... ]) [ ops_name ] ) [ WHERE predicate ] +Alter table: + + ALTER TABLE [ ONLY ] table [ * ] + ADD [ COLUMN ] column type [ column_constraint [ ... ] ] + ALTER TABLE [ ONLY ] table [ * ] + ALTER [ COLUMN ] column { SET DEFAULT value | DROP DEFAULT } + ALTER TABLE [ ONLY ] table [ * ] + ALTER [ COLUMN ] column SET STATISTICS integer + ALTER TABLE [ ONLY ] table [ * ] + RENAME [ COLUMN ] column TO newcolumn + ALTER TABLE table + RENAME TO new_table + ALTER TABLE table + ADD table_constraint_definition + ALTER TABLE [ ONLY ] table + DROP CONSTRAINT constraint { RESTRICT | CASCADE } + ALTER TABLE table + OWNER TO new_owner + +View table: + + CREATE [ OR REPLACE ] VIEW view [ ( column name list ) ] AS SELECT query + =cut use strict; use vars qw[ $DEBUG $VERSION $GRAMMAR @EXPORT_OK ]; -$VERSION = sprintf "%d.%02d", q$Revision: 1.6 $ =~ /(\d+)\.(\d+)/; +$VERSION = sprintf "%d.%02d", q$Revision: 1.36 $ =~ /(\d+)\.(\d+)/; $DEBUG = 0 unless defined $DEBUG; use Data::Dumper; @@ -108,7 +131,7 @@ my $parser; # should we do this? There's no programmic way to $GRAMMAR = q! -{ our ( %tables, $table_order ) } +{ my ( %tables, $table_order, $field_order, @table_comments) } # # The "eofile" rule makes the parser fail if any "statement" rule @@ -121,130 +144,190 @@ startrule : statement(s) eofile { \%tables } eofile : /^\Z/ statement : create + | comment_on_table + | comment_on_column | comment + | alter | grant | revoke | drop + | insert | connect + | update + | set | connect : /^\s*\\\connect.*\n/ -revoke : /revoke/i WORD(s /,/) /on/i table_name /from/i name_with_opt_quotes(s /,/) ';' +set : /set/i /[^;]*/ ';' + +revoke : /revoke/i WORD(s /,/) /on/i TABLE(?) table_name /from/i name_with_opt_quotes(s /,/) ';' { my $table_name = $item{'table_name'}; push @{ $tables{ $table_name }{'permissions'} }, { type => 'revoke', actions => $item[2], - users => $item[6], + users => $item[7], } } -grant : /grant/i WORD(s /,/) /on/i table_name /to/i name_with_opt_quotes(s /,/) ';' +grant : /grant/i WORD(s /,/) /on/i TABLE(?) table_name /to/i name_with_opt_quotes(s /,/) ';' { my $table_name = $item{'table_name'}; push @{ $tables{ $table_name }{'permissions'} }, { type => 'grant', actions => $item[2], - users => $item[6], + users => $item[7], } } drop : /drop/i /[^;]*/ ';' +insert : /insert/i /[^;]*/ ';' + +update : /update/i /[^;]*/ ';' + +# +# Create table. +# create : create_table table_name '(' create_definition(s /,/) ')' table_option(s?) ';' { my $table_name = $item{'table_name'}; $tables{ $table_name }{'order'} = ++$table_order; $tables{ $table_name }{'table_name'} = $table_name; - my $i = 1; + if ( @table_comments ) { + $tables{ $table_name }{'comments'} = [ @table_comments ]; + @table_comments = (); + } + my @constraints; for my $definition ( @{ $item[4] } ) { - if ( $definition->{'type'} eq 'field' ) { + if ( $definition->{'supertype'} eq 'field' ) { my $field_name = $definition->{'name'}; $tables{ $table_name }{'fields'}{ $field_name } = - { %$definition, order => $i }; - $i++; + { %$definition, order => $field_order++ }; - if ( $definition->{'is_primary_key'} ) { - push @{ $tables{ $table_name }{'indices'} }, { - type => 'primary_key', - fields => [ $field_name ], - }; - } - - for my $constraint ( @{ $definition->{'constaints'} || [] } ) { - $constraint->{'fields' } = [ $field_name ]; - push @{$tables{ $table_name }{'constraints'}}, $constraint; + for my $constraint ( @{ $definition->{'constraints'} || [] } ) { + $constraint->{'fields'} = [ $field_name ]; + push @{ $tables{ $table_name }{'constraints'} }, + $constraint; } } - elsif ( $definition->{'type'} eq 'constraint' ) { - $definition->{'type'} = $definition->{'constraint_type'}; + elsif ( $definition->{'supertype'} eq 'constraint' ) { push @{ $tables{ $table_name }{'constraints'} }, $definition; } - else { + elsif ( $definition->{'supertype'} eq 'index' ) { push @{ $tables{ $table_name }{'indices'} }, $definition; } } for my $option ( @{ $item[6] } ) { - $tables{ $table_name }{'table_options'}{ $option->{'type'} } = + $tables{ $table_name }{'table_options(s?)'}{ $option->{'type'} } = $option; } 1; } -create : /create/i unique(?) /(index|key)/i index_name /on/i table_name using_method(?) '(' field_name(s /,/) ')' where_predicate(?) ';' +create : CREATE unique(?) /(index|key)/i index_name /on/i table_name using_method(?) '(' field_name(s /,/) ')' where_predicate(?) ';' { push @{ $tables{ $item{'table_name'} }{'indices'} }, { - name => $item{'index_name'}, - type => $item{'unique'}[0] ? 'unique' : 'normal', - fields => $item[9], - method => $item{'using_method'}[0], + name => $item{'index_name'}, + supertype => $item{'unique'}[0] ? 'constraint' : 'index', + type => $item{'unique'}[0] ? 'unique' : 'normal', + fields => $item[9], + method => $item{'using_method'}[0], } ; + } +# +# Create anything else (e.g., domain, etc.) +# +create : CREATE WORD /[^;]+/ ';' + { @table_comments = (); } + using_method : /using/i WORD { $item[2] } where_predicate : /where/i /[^;]+/ create_definition : field - | index | table_constraint | +table_comment : comment + { + my $comment = $item[1]; + $return = $comment; + push @table_comments, $comment; + } + comment : /^\s*(?:#|-{2}).*\n/ -field : field_name data_type field_meta(s?) +comment_on_table : /comment/i /on/i /table/i table_name /is/i comment_phrase ';' + { + push @{ $tables{ $item{'table_name'} }{'comments'} }, $item{'comment_phrase'}; + } + +comment_on_column : /comment/i /on/i /column/i column_name /is/i comment_phrase ';' { - my ( $default, @constraints ); - for my $meta ( @{ $item[3] } ) { - $default = $meta if $meta->{'meta_type'} eq 'default'; - push @constraints, $meta if $meta->{'meta_type'} eq 'constraint'; + my $table_name = $item[4]->{'table'}; + my $field_name = $item[4]->{'field'}; + push @{ $tables{ $table_name }{'fields'}{ $field_name }{'comments'} }, + $item{'comment_phrase'}; + } + +column_name : NAME '.' NAME + { $return = { table => $item[1], field => $item[3] } } + +comment_phrase : /'.*?'|NULL/ + { + my $val = $item[1] || ''; + $val =~ s/^'|'$//g; + $return = $val; + } + +field : comment(s?) field_name data_type field_meta(s?) comment(s?) + { + my ( $default, @constraints, $is_pk ); + my $is_nullable = 1; + for my $meta ( @{ $item[4] } ) { + if ( $meta->{'type'} eq 'default' ) { + $default = $meta; + next; + } + elsif ( $meta->{'type'} eq 'not_null' ) { + $is_nullable = 0; + } + elsif ( $meta->{'type'} eq 'primary_key' ) { + $is_pk = 1; + } + + push @constraints, $meta if $meta->{'supertype'} eq 'constraint'; } - my $null = ( grep { $_->{'type'} eq 'not_null' } @constraints ) ? 0 : 1; + my @comments = ( @{ $item[1] }, @{ $item[5] } ); - $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, - default => $default->{'value'}, - constraints => [ @constraints ], + $return = { + supertype => 'field', + name => $item{'field_name'}, + data_type => $item{'data_type'}{'type'}, + size => $item{'data_type'}{'size'}, + is_nullable => $is_nullable, + default => $default->{'value'}, + constraints => [ @constraints ], + comments => [ @comments ], + is_primary_key => $is_pk || 0, + is_auto_increment => $item{'data_type'}{'is_auto_increment'}, } } | field_meta : default_val - | - column_constraint + | column_constraint column_constraint : constraint_name(?) column_constraint_type deferrable(?) deferred(?) { @@ -254,11 +337,11 @@ column_constraint : constraint_name(?) column_constraint_type deferrable(?) defe my $expression = $desc->{'expression'} || ''; $return = { - meta_type => 'constraint', + supertype => 'constraint', name => $item{'constraint_name'}[0] || '', type => $type, expression => $type eq 'check' ? $expression : '', - deferreable => $item{'deferrable'}, + deferrable => $item{'deferrable'}, deferred => $item{'deferred'}, reference_table => $desc->{'reference_table'}, reference_fields => $desc->{'reference_fields'}, @@ -272,39 +355,41 @@ constraint_name : /constraint/i name_with_opt_quotes { $item[2] } column_constraint_type : /not null/i { $return = { type => 'not_null' } } | - /null/ + /null/i { $return = { type => 'null' } } | - /unique/ + /unique/i { $return = { type => 'unique' } } | /primary key/i { $return = { type => 'primary_key' } } | /check/i '(' /[^)]+/ ')' - { $return = { type => 'check', expression => $item[2] } } + { $return = { type => 'check', expression => $item[3] } } | - /references/i table_name parens_value_list(?) match_type(?) on_delete_do(?) on_update_do(?) + /references/i table_name parens_word_list(?) match_type(?) key_action(s?) { + my ( $on_delete, $on_update ); + for my $action ( @{ $item[5] || [] } ) { + $on_delete = $action->{'action'} if $action->{'type'} eq 'delete'; + $on_update = $action->{'action'} if $action->{'type'} eq 'update'; + } + $return = { type => 'foreign_key', reference_table => $item[2], - reference_fields => $item[3], + reference_fields => $item[3][0], match_type => $item[4][0], - on_delete_do => $item[5][0], - on_update_do => $item[6][0], + on_delete_do => $on_delete, + on_update_do => $on_update, } } -index : primary_key_index - | unique_index - | normal_index - table_name : name_with_opt_quotes field_name : name_with_opt_quotes -name_with_opt_quotes : double_quote(?) WORD double_quote(?) { $item[2] } +name_with_opt_quotes : double_quote(?) NAME double_quote(?) { $item[2] } double_quote: /"/ @@ -312,55 +397,117 @@ index_name : WORD data_type : pg_data_type parens_value_list(?) { - my $type = $item[1]; + my $data_type = $item[1]; # # We can deduce some sizes from the data type's name. # - my $size; - if ( ref $type eq 'ARRAY' ) { - $size = [ $type->[1] ]; - $type = $type->[0]; - } - else { - $size = $item[2][0] || ''; - } + $data_type->{'size'} ||= $item[2][0]; - $return = { - type => $type, - size => $size, - } + $return = $data_type; } pg_data_type : - /(bigint|int8|bigserial|serial8)/ { $return = [ 'integer', 8 ] } + /(bigint|int8)/i + { + $return = { + type => 'integer', + size => 20, + }; + } | - /(smallint|int2)/ { $return = [ 'integer', 2 ] } + /(smallint|int2)/i + { + $return = { + type => 'integer', + size => 5, + }; + } | - /int(eger)?|int4/ { $return = [ 'integer', 4 ] } + /(integer|int4?)/i # interval must come before this + { + $return = { + type => 'integer', + size => 10, + }; + } + | + /(real|float4)/i + { + $return = { + type => 'real', + size => 10, + }; + } | - /(double precision|float8?)/ { $return = [ 'float', 8 ] } + /(double precision|float8?)/i + { + $return = { + type => 'float', + size => 20, + }; + } | - /(real|float4)/ { $return = [ 'real', 4 ] } + /(bigserial|serial8)/i + { + $return = { + type => 'integer', + size => 20, + is_auto_increment => 1, + }; + } | - /serial4?/ { $return = [ 'serial', 4 ] } + /serial4?/i + { + $return = { + type => 'integer', + size => 11, + is_auto_increment => 1, + }; + } | - /bigserial/ { $return = [ 'serial', 8 ] } + /(bit varying|varbit)/i + { + $return = { type => 'varbit' }; + } | - /(bit varying|varbit)/ { $return = 'varbit' } + /character varying/i + { + $return = { type => 'varchar' }; + } | - /character varying/ { $return = 'varchar' } + /char(acter)?/i + { + $return = { type => 'char' }; + } | - /char(acter)?/ { $return = 'char' } + /bool(ean)?/i + { + $return = { type => 'boolean' }; + } | - /bool(ean)?/ { $return = 'boolean' } + /bytea/i + { + $return = { type => 'bytea' }; + } | - /(bytea|binary data)/ { $return = 'binary' } + /(timestamptz|timestamp)/i + { + $return = { type => 'timestamp' }; + } | - /timestampz?/ { $return = 'timestamp' } + /text/i + { + $return = { + type => 'text', + size => 64_000, + }; + } | - /(bit|box|cidr|circle|date|inet|interval|line|lseg|macaddr|money|numeric|decimal|path|point|polygon|text|time|varchar)/ - { $item[1] } + /(bit|box|cidr|circle|date|inet|interval|line|lseg|macaddr|money|numeric|decimal|path|point|polygon|timetz|time|varchar)/i + { + $return = { type => $item[1] }; + } parens_value_list : '(' VALUE(s /,/) ')' { $item[2] } @@ -375,26 +522,28 @@ num_range : DIGITS ',' DIGITS | DIGITS { $return = $item[1] } -table_constraint : constraint_name(?) table_constraint_type deferrable(?) deferred(?) +table_constraint : comment(s?) constraint_name(?) table_constraint_type deferrable(?) deferred(?) comment(s?) { my $desc = $item{'table_constraint_type'}; my $type = $desc->{'type'}; my $fields = $desc->{'fields'}; my $expression = $desc->{'expression'}; + my @comments = ( @{ $item[1] }, @{ $item[-1] } ); $return = { name => $item{'constraint_name'}[0] || '', - type => 'constraint', - constraint_type => $type, + supertype => 'constraint', + type => $type, fields => $type ne 'check' ? $fields : [], expression => $type eq 'check' ? $expression : '', - deferreable => $item{'deferrable'}, + deferrable => $item{'deferrable'}, deferred => $item{'deferred'}, reference_table => $desc->{'reference_table'}, reference_fields => $desc->{'reference_fields'}, match_type => $desc->{'match_type'}[0], - on_delete_do => $desc->{'on_delete_do'}[0], - on_update_do => $desc->{'on_update_do'}[0], + on_delete_do => $desc->{'on_delete_do'}, + on_update_do => $desc->{'on_update_do'}, + comments => [ @comments ], } } @@ -414,7 +563,7 @@ table_constraint_type : /primary key/i '(' name_with_opt_quotes(s /,/) ')' } } | - /check/ '(' /(.+)/ ')' + /check/i '(' /[^)]+/ ')' { $return = { type => 'check', @@ -422,16 +571,23 @@ table_constraint_type : /primary key/i '(' name_with_opt_quotes(s /,/) ')' } } | - /foreign key/i '(' name_with_opt_quotes(s /,/) ')' /references/i table_name parens_word_list(?) match_type(?) on_delete_do(?) on_update_do(?) + /foreign key/i '(' name_with_opt_quotes(s /,/) ')' /references/i table_name parens_word_list(?) match_type(?) key_action(s?) { + my ( $on_delete, $on_update ); + for my $action ( @{ $item[9] || [] } ) { + $on_delete = $action->{'action'} if $action->{'type'} eq 'delete'; + $on_update = $action->{'action'} if $action->{'type'} eq 'update'; + } + $return = { + supertype => 'constraint', type => 'foreign_key', fields => $item[3], reference_table => $item[6], reference_fields => $item[7][0], match_type => $item[8][0], - on_delete_do => $item[9][0], - on_update_do => $item[10][0], + on_delete_do => $on_delete || '', + on_update_do => $on_update || '', } } @@ -446,55 +602,186 @@ match_type : /match full/i { 'match_full' } | /match partial/i { 'match_partial' } -on_delete_do : /on delete/i WORD - { $item[2] } +key_action : key_delete + | + key_update -on_update_do : /on update/i WORD - { $item[2] } +key_delete : /on delete/i key_mutation + { + $return = { + type => 'delete', + action => $item[2], + }; + } -create_table : /create/i /table/i +key_update : /on update/i key_mutation + { + $return = { + type => 'update', + action => $item[2], + }; + } -create_index : /create/i /index/i +key_mutation : /no action/i { $return = 'no_action' } + | + /restrict/i { $return = 'restrict' } + | + /cascade/i { $return = 'cascade' } + | + /set null/i { $return = 'set null' } + | + /set default/i { $return = 'set default' } -default_val : /default/i /(?:')?[\w\d.-]*(?:')?/ +alter : alter_table table_name add_column field ';' { - my $val = $item[2] || ''; - $val =~ s/'//g; - $return = { - meta_type => 'default', - value => $val, - } + my $field_def = $item[4]; + $tables{ $item[2] }{'fields'}{ $field_def->{'name'} } = { + %$field_def, order => $field_order++ + }; + 1; } -auto_inc : /auto_increment/i { 1 } +alter : alter_table table_name ADD table_constraint ';' + { + my $table_name = $item[2]; + my $constraint = $item[4]; + push @{ $tables{ $table_name }{'constraints'} }, $constraint; + 1; + } + +alter : alter_table table_name drop_column NAME restrict_or_cascade(?) ';' + { + $tables{ $item[2] }{'fields'}{ $item[4] }{'drop'} = 1; + 1; + } + +alter : alter_table table_name alter_column NAME alter_default_val ';' + { + $tables{ $item[2] }{'fields'}{ $item[4] }{'default'} = + $item[5]->{'value'}; + 1; + } + +# +# These will just parse for now but won't affect the structure. - ky +# +alter : alter_table table_name /rename/i /to/i NAME ';' + { 1 } + +alter : alter_table table_name alter_column NAME SET /statistics/i INTEGER ';' + { 1 } -primary_key : /primary/i /key/i { 1 } +alter : alter_table table_name alter_column NAME SET /storage/i storage_type ';' + { 1 } -primary_key_index : primary_key index_name(?) '(' field_name(s /,/) ')' +alter : alter_table table_name rename_column NAME /to/i NAME ';' + { 1 } + +alter : alter_table table_name DROP /constraint/i NAME restrict_or_cascade ';' + { 1 } + +alter : alter_table table_name /owner/i /to/i NAME ';' + { 1 } + +storage_type : /(plain|external|extended|main)/i + +alter_default_val : SET default_val { - $return = { - name => $item{'index_name'}[0], - type => 'primary_key', - fields => $item[4], - } + $return = { value => $item[2]->{'value'} } } + | DROP DEFAULT + { + $return = { value => undef } + } + +# +# This is a little tricky to get right, at least WRT to making the +# tests pass. The problem is that the constraints are stored just as +# a list (no name access), and the tests expect the constraints in a +# particular order. I'm going to leave the rule but disable the code +# for now. - ky +# +alter : alter_table table_name alter_column NAME alter_nullable ';' + { +# my $table_name = $item[2]; +# my $field_name = $item[4]; +# my $is_nullable = $item[5]->{'is_nullable'}; +# +# $tables{ $table_name }{'fields'}{ $field_name }{'is_nullable'} = +# $is_nullable; +# +# if ( $is_nullable ) { +# 1; +# push @{ $tables{ $table_name }{'constraints'} }, { +# type => 'not_null', +# fields => [ $field_name ], +# }; +# } +# else { +# for my $i ( +# 0 .. $#{ $tables{ $table_name }{'constraints'} || [] } +# ) { +# my $c = $tables{ $table_name }{'constraints'}[ $i ] or next; +# my $fields = join( '', @{ $c->{'fields'} || [] } ) or next; +# if ( $c->{'type'} eq 'not_null' && $fields eq $field_name ) { +# delete $tables{ $table_name }{'constraints'}[ $i ]; +# last; +# } +# } +# } -normal_index : key index_name(?) '(' name_with_opt_paren(s /,/) ')' + 1; + } + +alter_nullable : SET not_null { - $return = { - name => $item{'index_name'}[0], - type => 'normal', - fields => $item[4], - } + $return = { is_nullable => 0 } } + | DROP not_null + { + $return = { is_nullable => 1 } + } + +not_null : /not/i /null/i + +add_column : ADD COLUMN(?) + +alter_table : ALTER TABLE ONLY(?) + +drop_column : DROP COLUMN(?) + +alter_column : ALTER COLUMN(?) -unique_index : unique key(?) index_name(?) '(' name_with_opt_paren(s /,/) ')' +rename_column : /rename/i COLUMN(?) + +restrict_or_cascade : /restrict/i | + /cascade/i + +# +# End basically useless stuff. - ky +# + +create_table : CREATE TABLE + +create_index : CREATE /index/i + +default_val : DEFAULT /(\d+|'[^']*'|\w+\(.*?\))|\w+/ { - $return = { - name => $item{'index_name'}[0], - type => 'unique', - fields => $item[5], - } + my $val = defined $item[2] ? $item[2] : ''; + $val =~ s/^'|'$//g; + $return = { + supertype => 'constraint', + type => 'default', + value => $val, + } + } + | /null/i + { + $return = { + supertype => 'constraint', + type => 'default', + value => 'NULL', + } } name_with_opt_paren : NAME parens_value_list(s?) @@ -514,24 +801,46 @@ table_option : /inherits/i '(' name_with_opt_quotes(s /,/) ')' $return = { type => $item[1] =~ /out/i ? 'without_oids' : 'with_oids' } } +ADD : /add/i + +ALTER : /alter/i + +CREATE : /create/i + +ONLY : /only/i + +DEFAULT : /default/i + +DROP : /drop/i + +COLUMN : /column/i + +TABLE : /table/i + SEMICOLON : /\s*;\n?/ +INTEGER : /\d+/ + WORD : /\w+/ DIGITS : /\d+/ COMMA : ',' +SET : /set/i + NAME : "`" /\w+/ "`" { $item[2] } | /\w+/ { $item[1] } + | /[\$\w]+/ + { $item[1] } VALUE : /[-+]?\.?\d+(?:[eE]\d+)?/ { $item[1] } | /'.*?'/ # XXX doesn't handle embedded quotes { $item[1] } - | /NULL/ + | /null/i { 'NULL' } !; @@ -552,22 +861,86 @@ sub parse { my $result = $parser->startrule($data); die "Parse failed.\n" unless defined $result; warn Dumper($result) if $DEBUG; - return $result; + + my $schema = $translator->schema; + my @tables = sort { + $result->{ $a }->{'order'} <=> $result->{ $b }->{'order'} + } keys %{ $result }; + + for my $table_name ( @tables ) { + my $tdata = $result->{ $table_name }; + my $table = $schema->add_table( + name => $tdata->{'table_name'}, + ) or die "Couldn't create table '$table_name': " . $schema->error; + + my @fields = sort { + $tdata->{'fields'}->{ $a }->{'order'} + <=> + $tdata->{'fields'}->{ $b }->{'order'} + } keys %{ $tdata->{'fields'} }; + + for my $fname ( @fields ) { + my $fdata = $tdata->{'fields'}{ $fname }; + next if $fdata->{'drop'}; + 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_increment'}, + is_nullable => $fdata->{'is_nullable'}, + ) or die $table->error; + + $table->primary_key( $field->name ) if $fdata->{'is_primary_key'}; + + 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; + } + + 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_do'}, + on_update => $cdata->{'on_update_do'}, + expression => $cdata->{'expression'}, + ) or die "Can't add constraint of type '" . + $cdata->{'type'} . "' to table '" . $table->name . + "': " . $table->error; + } + } + + return 1; } 1; -#----------------------------------------------------- -# Where man is not nature is barren. -# William Blake -#----------------------------------------------------- +# ------------------------------------------------------------------- +# Rescue the drowning and tie your shoestrings. +# Henry David Thoreau +# ------------------------------------------------------------------- =pod =head1 AUTHORS Ken Y. Clark Ekclark@cpan.orgE, -Allen Day . +Allen Day Eallenday@ucla.eduE. =head1 SEE ALSO