package SQL::Translator::Parser::MySQL;
# -------------------------------------------------------------------
-# $Id: MySQL.pm,v 1.22 2003-06-04 22:04:53 kycl4rk Exp $
+# $Id: MySQL.pm,v 1.50 2005-06-28 16:39:41 mwz444 Exp $
# -------------------------------------------------------------------
-# Copyright (C) 2003 Ken Y. Clark <kclark@cpan.org>,
-# darren chamberlain <darren@cpan.org>,
-# Chris Mungall <cjm@fruitfly.org>
+# Copyright (C) 2002-4 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
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
+
=cut
use strict;
use vars qw[ $DEBUG $VERSION $GRAMMAR @EXPORT_OK ];
-$VERSION = sprintf "%d.%02d", q$Revision: 1.22 $ =~ /(\d+)\.(\d+)/;
+$VERSION = sprintf "%d.%02d", q$Revision: 1.50 $ =~ /(\d+)\.(\d+)/;
$DEBUG = 0 unless defined $DEBUG;
use Data::Dumper;
$GRAMMAR = q!
{
- our ( %tables, $table_order );
+ my ( $database_name, %tables, $table_order, @table_comments );
}
#
# 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 }
+}
eofile : /^\Z/
statement : comment
| use
+ | set
| drop
| create
+ | alter
+ | insert
| <error>
use : /use/i WORD ';'
+ {
+ $database_name = $item[2];
+ @table_comments = ();
+ }
+
+set : /set/i /[^;]+/ ';'
+ { @table_comments = () }
+
+drop : /drop/i TABLE /[^;]+/ ';'
drop : /drop/i WORD(s) ';'
+ { @table_comments = () }
+
+insert : /insert/i /[^;]+/ ';'
+
+alter : ALTER TABLE table_name alter_specification(s /,/) ';'
+ {
+ 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 ';'
+ { @table_comments = () }
-create : CREATE TEMPORARY(?) TABLE opt_if_not_exists(?) table_name '(' create_definition(s /,/) ')' table_option(s?) ';'
+create : CREATE TEMPORARY(?) TABLE opt_if_not_exists(?) table_name '(' create_definition(s /,/) /(,\s*)?\)/ table_option(s?) ';'
{
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[7] } ) {
- 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++;
if ( $definition->{'is_primary_key'} ) {
- push @{ $tables{ $table_name }{'indices'} },
+ push @{ $tables{ $table_name }{'constraints'} },
{
type => 'primary_key',
fields => [ $field_name ],
;
}
}
- elsif ( $definition->{'type'} eq 'foreign_key' ) {
- for my $field ( @{ $definition->{'fields'} } ) {
- push @{
- $tables{$table_name}{'fields'}{$field}{'constraints'}
- },
- $definition;
- }
+ elsif ( $definition->{'supertype'} eq 'constraint' ) {
+ push @{ $tables{ $table_name }{'constraints'} }, $definition;
}
- else {
- push @{ $tables{ $table_name }{'indices'} },
- $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;
+ }
}
}
opt_if_not_exists : /if not exists/i
-create : /CREATE/i unique(?) /(INDEX|KEY)/i index_name /on/i table_name '(' field_name(s /,/) ')' ';'
+create : CREATE UNIQUE(?) /(index|key)/i index_name /on/i table_name '(' field_name(s /,/) ')' ';'
{
+ @table_comments = ();
push @{ $tables{ $item{'table_name'} }{'indices'} },
{
name => $item[4],
;
}
-create_definition : index
- | foreign_key
+create_definition : constraint
+ | index
| field
+ | comment
| <error>
-comment : /^\s*(?:#|-{2}).*\n/
+comment : /^\s*(?:#|-{2}).*\n/
+ {
+ my $comment = $item[1];
+ $comment =~ s/^\s*(#|--)\s*//;
+ $comment =~ s/\s*$//;
+ $return = $comment;
+ push @table_comments, $comment;
+ }
+
+comment : /\/\*/ /[^\*]+/ /\*\// ';'
+ {
+ my $comment = $item[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,
}
}
}
}
-reference_definition : /references/i table_name parens_field_list(?) match_type(?) on_delete_do(?) on_update_do(?)
+field_qualifier : /character set/i WORD
+ {
+ $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],
+ }
+ }
+
+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 |
/set default/i
{ $item[1] }
-index : primary_key_index
- | unique_index
+index : normal_index
| fulltext_index
- | normal_index
| <error>
-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?)
{
unless ( @{ $size || [] } ) {
if ( lc $type eq 'tinyint' ) {
- $size = [4];
+ $size = 4;
}
elsif ( lc $type eq 'smallint' ) {
- $size = [6];
+ $size = 6;
}
elsif ( lc $type eq 'mediumint' ) {
- $size = [9];
+ $size = 9;
}
- elsif ( $type =~ /^int(eger)?$/ ) {
- $size = [11];
+ elsif ( $type =~ /^int(eger)?$/i ) {
+ $type = 'int';
+ $size = 11;
}
elsif ( lc $type eq 'bigint' ) {
- $size = [20];
+ $size = 20;
}
- elsif ( lc $type =~ /(float|double|decimal|numeric|real)/ ) {
+ elsif (
+ lc $type =~ /(float|double|decimal|numeric|real|fixed|dec)/
+ ) {
$size = [8,2];
}
}
+ if ( $type =~ /^tiny(text|blob)$/i ) {
+ $size = 255;
+ }
+ elsif ( $type =~ /^(blob|text)$/i ) {
+ $size = 65_535;
+ }
+ elsif ( $type =~ /^medium(blob|text)$/i ) {
+ $size = 16_777_215;
+ }
+ elsif ( $type =~ /^long(blob|text)$/i ) {
+ $size = 4_294_967_295;
+ }
+
$return = {
type => $type,
size => $size,
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];
}
primary_key : /primary/i /key/i { 1 }
-foreign_key : opt_constraint(?) /foreign key/i WORD(?) parens_field_list reference_definition
+constraint : primary_key_def
+ | unique_key_def
+ | foreign_key_def
+ | <error>
+
+foreign_key_def : foreign_key_def_begin parens_field_list reference_definition
{
$return = {
+ supertype => 'constraint',
type => 'foreign_key',
- name => $item[3][0],
- fields => $item[4],
+ name => $item[1],
+ fields => $item[2],
%{ $item{'reference_definition'} },
}
}
-opt_constraint : /constraint/i WORD
+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_index : primary_key index_name(?) '(' field_name(s /,/) ')'
+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],
}
}
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 { 1 }
+KEY : /key/i | /index/i
-key : /key/i | /index/i
-
-table_option : /[^\s;]*/
+table_option : WORD /\s*=\s*/ WORD
+ {
+ $return = { $item[1] => $item[3] };
+ }
+ | /comment/i /=/ /'.*?'/
+ {
+ my $comment = $item[3];
+ $comment =~ s/^'//;
+ $comment =~ s/'$//;
+ $return = { comment => $comment };
+ }
+ | /(default )?(charset|character set)/i /\s*=\s*/ WORD
{
- $return = { split /=/, $item[1] }
+ $return = { 'CHARACTER SET' => $item[3] };
}
+
+default : /default/i
+
+ADD : /add/i
+
+ALTER : /alter/i
CREATE : /create/i
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' }
+CURRENT_TIMESTAMP : /current_timestamp(\(\))?/i
+ | /now\(\)/i
+ { 'CURRENT_TIMESTAMP' }
+
!;
# -------------------------------------------------------------------
my $result = $parser->startrule($data);
return $translator->error( "Parse failed." ) unless defined $result;
- warn Dumper( $result ) if $DEBUG;
+ warn "Parse result:".Dumper( $result ) if $DEBUG;
my $schema = $translator->schema;
- for my $table_name ( keys %{ $result } ) {
- my $tdata = $result->{ $table_name };
+ $schema->name($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'}
<=>
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 ( $field->data_type =~ /(set|enum)/i && !$field->size ) {
+ my %extra = $field->extra;
+ my $longest = 0;
+ for my $len ( map { length } @{ $extra{'list'} || [] } ) {
+ $longest = $len if $len > $longest;
+ }
+ $field->size( $longest ) if $longest;
+ }
+
+ 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'} || [] } ) {
+ $table->options( \@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;
}
}
- return $result;
+ return 1;
}
1;
-# ----------------------------------------------------
+# -------------------------------------------------------------------
# Where man is not nature is barren.
# William Blake
-# ----------------------------------------------------
+# -------------------------------------------------------------------
=pod
projects / dbsrgits/SQL-Translator.git / blobdiff