package SQL::Translator::Parser::MySQL;
# -------------------------------------------------------------------
-# $Id: MySQL.pm,v 1.23 2003-06-06 00:05:09 kycl4rk Exp $
+# $Id: MySQL.pm,v 1.54 2006-06-09 13:56:58 schiffbruechige 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: 1.23 $ =~ /(\d+)\.(\d+)/;
+$VERSION = sprintf "%d.%02d", q$Revision: 1.54 $ =~ /(\d+)\.(\d+)/;
$DEBUG = 0 unless defined $DEBUG;
use Data::Dumper;
$::RD_WARN = 1; # Enable warnings. This will warn on unused rules &c.
$::RD_HINT = 1; # Give out hints to help fix problems.
-$GRAMMAR = q!
+$GRAMMAR = << 'END_OF_GRAMMAR';
{
- 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 = () }
+
+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?)
+
+insert : /insert/i statement_body ';'
+
+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->{'supertype'} eq 'field' ) {
-
my $field_name = $definition->{'name'};
$tables{ $table_name }{'fields'}{ $field_name } =
{ %$definition, order => $i };
}
}
elsif ( $definition->{'supertype'} eq 'constraint' ) {
- # prob get rid of this?
-# for my $field ( @{ $definition->{'fields'} } ) {
-# push @{
-# $tables{$table_name}{'fields'}{$field}{'constraints'}
-# },
-# $definition;
-# }
-
- # this should be the only one needed
push @{ $tables{ $table_name }{'constraints'} }, $definition;
}
elsif ( $definition->{'supertype'} eq 'index' ) {
- push @{ $tables{ $table_name }{'indices'} },
- $definition;
+ 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;
+ }
}
}
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 : 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;
+ }
+
+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 = {
supertype => 'field',
name => $item{'field_name'},
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],
+ }
+ }
+
+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 |
| fulltext_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 ( $type =~ /^int(eger)?$/ ) {
+ elsif ( $type =~ /^int(eger)?$/i ) {
$type = 'int';
- $size = [11];
+ $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];
}
| foreign_key_def
| <error>
-foreign_key_def : opt_constraint(?) /foreign key/i WORD(?) parens_field_list reference_definition
+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_def : primary_key index_name(?) '(' field_name(s /,/) ')'
+primary_key_def : primary_key index_name(?) '(' name_with_opt_paren(s /,/) ')'
{
$return = {
supertype => 'constraint',
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] };
+ }
+ | 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
| /NULL/
{ 'NULL' }
-!;
+CURRENT_TIMESTAMP : /current_timestamp(\(\))?/i
+ | /now\(\)/i
+ { 'CURRENT_TIMESTAMP' }
+
+END_OF_GRAMMAR
# -------------------------------------------------------------------
sub parse {
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;
-# for my $opt ( @{ $tdata->{'table_options'} } ) {
-# if ( my ( $key, $val ) = each %$opt ) {
-# $tables->options(
-# }
-# }
+ $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 ] ) {
+ 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;
+ }
+
if ( $field->data_type =~ /(set|enum)/i && !$field->size ) {
my %extra = $field->extra;
- my $longest;
+ my $longest = 0;
for my $len ( map { length } @{ $extra{'list'} || [] } ) {
$longest = $len if $len > $longest;
}
) 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'},
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'},
+ 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
=head1 AUTHOR
-Ken Y. Clark E<lt>kclark@cpan.orgE<gt>,
+Ken Youens-Clark E<lt>kclark@cpan.orgE<gt>,
Chris Mungall E<lt>cjm@fruitfly.orgE<gt>.
=head1 SEE ALSO
-perl(1), Parse::RecDescent, SQL::Translator::Schema.
+Parse::RecDescent, SQL::Translator::Schema.
=cut
projects / dbsrgits/SQL-Translator.git / blobdiff