From: Ken Youens-Clark <kclark@cpan.org>
Date: Wed, 22 Feb 2006 22:52:51 +0000 (+0000)
Subject: Changed to build up schema from "show create table" statements and then
X-Git-Tag: v0.11008~467
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=24bc7217ae5baa6f8b3980f3770db922111d5add;p=dbsrgits%2FSQL-Translator.git

Changed to build up schema from "show create table" statements and then
pass to regular MySQL parser.
---

diff --git a/lib/SQL/Translator/Parser/DBI/MySQL.pm b/lib/SQL/Translator/Parser/DBI/MySQL.pm
index 0cc9a12..b69c4d5 100644
--- a/lib/SQL/Translator/Parser/DBI/MySQL.pm
+++ b/lib/SQL/Translator/Parser/DBI/MySQL.pm
@@ -1,7 +1,7 @@
 package SQL::Translator::Parser::DBI::MySQL;
 
 # -------------------------------------------------------------------
-# $Id: MySQL.pm,v 1.5 2005-07-12 16:05:35 duality72 Exp $
+# $Id: MySQL.pm,v 1.6 2006-02-22 22:52:51 kycl4rk Exp $
 # -------------------------------------------------------------------
 # Copyright (C) 2002-4 SQLFairy Authors
 #
@@ -40,147 +40,30 @@ use strict;
 use DBI;
 use Data::Dumper;
 use SQL::Translator::Schema::Constants;
+use SQL::Translator::Parser::MySQL;
 
 use vars qw[ $DEBUG $VERSION @EXPORT_OK ];
-$VERSION = sprintf "%d.%02d", q$Revision: 1.5 $ =~ /(\d+)\.(\d+)/;
+$VERSION = sprintf "%d.%02d", q$Revision: 1.6 $ =~ /(\d+)\.(\d+)/;
 $DEBUG   = 0 unless defined $DEBUG;
 
 # -------------------------------------------------------------------
 sub parse {
     my ( $tr, $dbh ) = @_;
     my $schema       = $tr->schema;
-    my @table_names  = @{ $dbh->selectcol_arrayref( 'show tables') };
+    my @table_names  = @{ $dbh->selectcol_arrayref('show tables') };
 
+    $dbh->{'FetchHashKeyName'} = 'NAME_lc';
+
+    my $create;
     for my $table_name ( @table_names ) {
-        my $table =  $schema->add_table( 
-            name  => $table_name,
-        ) or die $schema->error;
-
-        my $cols = $dbh->selectall_arrayref(
-            "desc $table_name", 
-            { Columns => {} }
-        );
-
-        for my $col ( @$cols ) {
-            my $fname       = $col->{'field'} or next;
-            my $type        = $col->{'type'}  or next;
-            my $collation   = $col->{'collation'} || '';
-            my $is_nullable = uc $col->{'null'} eq 'YES' ? 1 : 0;
-            my $key         = $col->{'key'};
-            my $default     = $col->{'default'};
-            my $extra       = $col->{'extra'};
-            my $is_auto_inc = $extra =~ s/auto_increment//i;
-
-            my ( $data_type, $size, $char_set );
-
-            #
-            # Normal datatype = "int(11)" 
-            # or "varchar(20) character set latin1"
-            #
-            if ( $type =~ m{ 
-                (\w+)       # data type
-                \(          # open paren
-                (\d+)       # first number
-                (?:,(\d+))? # optional comma and number
-                \)          # close paren
-                (.*)?       # anything else (character set)
-                }x  
-            ) {
-                $data_type = $1;
-                $size      = $2;
-                $size     .= ",$3" if $3;
-                $char_set  = $4 || '';
-            }
-            #
-            # Some data type just say "double" or "text"
-            #
-            elsif ( $type =~ m{ 
-                (\w+)       # data type
-                (.*)?       # anything else (character set)
-                }x  
-            ) {
-                $data_type = $1;
-                $size      = undef;
-                $char_set  = $2 || '';
-            }
-
-            my $field             =  $table->add_field(
-                name              => $fname,
-                data_type         => $data_type,
-                size              => $size,
-                default_value     => $default,
-                is_auto_increment => $is_auto_inc,
-                is_nullable       => $is_nullable,
-                comments          => $extra,
-            ) or die $table->error;
-
-            $table->primary_key( $field->name ) if $key eq 'PRI';
-        }
-
-        my $indices = $dbh->selectall_arrayref(
-            "show index from $table_name",
-            { Columns => {} },
-        );
-
-        my ( %keys, %constraints, $order );
-        for my $index ( @$indices ) {
-            my $table        = $index->{'table'};
-            my $non_unique   = $index->{'non_unique'};
-            my $key_name     = $index->{'key_name'} || '';
-            my $seq_in_index = $index->{'seq_in_index'};
-            my $column_name  = $index->{'column_name'};
-            my $collation    = $index->{'collation'};
-            my $cardinality  = $index->{'cardinality'};
-            my $sub_part     = $index->{'sub_part'};
-            my $packed       = $index->{'packed'};
-            my $null         = $index->{'null'};
-            my $index_type   = $index->{'index_type'};
-            my $comment      = $index->{'comment'};
-
-            my $is_constraint = $key_name eq 'PRIMARY' || $non_unique == 0;
-
-            if ( $is_constraint ) {
-                $constraints{ $key_name }{'order'} = ++$order;
-                push @{ $constraints{ $key_name }{'fields'} }, $column_name;
-
-                if ( $key_name eq 'PRIMARY' ) {
-                    $constraints{ $key_name }{'type'} = PRIMARY_KEY;
-                }
-                elsif ( $non_unique == 0 ) {
-                    $constraints{ $key_name }{'type'} = UNIQUE;
-                }
-            }
-            else {
-                $keys{ $key_name }{'order'} = ++$order;
-                push @{ $keys{ $key_name }{'fields'} }, $column_name;
-            }
-        }
-
-        for my $key_name (
-            sort { $keys{ $a }{'order'} <=> $keys{ $b }{'order'} }
-            keys %keys
-        ) {
-            my $key    = $keys{ $key_name };
-            my $index  =  $table->add_index(
-                name   => $key_name,
-                type   => NORMAL,
-                fields => $key->{'fields'},
-            ) or die $table->error;
-        }
-    
-        for my $constraint_name (
-            sort { $constraints{ $a }{'order'} <=> $constraints{ $b }{'order'} }
-            keys %constraints
-        ) {
-            my $def        =  $constraints{ $constraint_name };
-            my $constraint =  $table->add_constraint(
-                name       => $constraint_name,
-                type       => $def->{'type'},
-                fields     => $def->{'fields'},
-            ) or die $table->error;
-        }
+        my $sth = $dbh->prepare("show create table $table_name");
+        $sth->execute;
+        my $table = $sth->fetchrow_hashref;
+        $create .= $table->{'create table'} . ";\n\n";
     }
 
+    SQL::Translator::Parser::MySQL::parse( $tr, $create );
+
     return 1;
 }
 
@@ -195,7 +78,7 @@ sub parse {
 
 =head1 AUTHOR
 
-Ken Y. Clark E<lt>kclark@cpan.orgE<gt>.
+Ken Youens-Clark E<lt>kclark@cpan.orgE<gt>.
 
 =head1 SEE ALSO