9f847de5ea
Patch By Max Kanat-Alexander <mkanat@bugzilla.org> r=Tomas.Kopal, a=myk git-svn-id: svn://10.0.0.236/trunk@171604 18797224-902f-48f8-a5cc-f745e15eee43
120 lines
3.6 KiB
Perl
120 lines
3.6 KiB
Perl
# -*- Mode: perl; indent-tabs-mode: nil -*-
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#
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# The contents of this file are subject to the Mozilla Public
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# License Version 1.1 (the "License"); you may not use this file
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# except in compliance with the License. You may obtain a copy of
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# the License at http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS
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# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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# implied. See the License for the specific language governing
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# rights and limitations under the License.
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#
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# The Original Code is the Bugzilla Bug Tracking System.
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#
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# The Initial Developer of the Original Code is Netscape Communications
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# Corporation. Portions created by Netscape are
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# Copyright (C) 1998 Netscape Communications Corporation. All
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# Rights Reserved.
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#
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# Contributor(s): Andrew Dunstan <andrew@dunslane.net>,
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# Edward J. Sabol <edwardjsabol@iname.com>
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package Bugzilla::DB::Schema::Mysql;
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###############################################################################
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#
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# DB::Schema implementation for MySQL
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#
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###############################################################################
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use strict;
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use Bugzilla::Error;
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use base qw(Bugzilla::DB::Schema);
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#------------------------------------------------------------------------------
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sub _initialize {
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my $self = shift;
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$self = $self->SUPER::_initialize(@_);
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$self->{db_specific} = {
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BOOLEAN => 'tinyint',
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FALSE => '0',
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TRUE => '1',
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INT1 => 'tinyint',
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INT2 => 'smallint',
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INT3 => 'mediumint',
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INT4 => 'integer',
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SMALLSERIAL => 'smallint auto_increment',
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MEDIUMSERIAL => 'mediumint auto_increment',
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INTSERIAL => 'integer auto_increment',
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TINYTEXT => 'tinytext',
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MEDIUMTEXT => 'mediumtext',
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TEXT => 'text',
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LONGBLOB => 'longblob',
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DATETIME => 'datetime',
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};
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$self->_adjust_schema;
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return $self;
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} #eosub--_initialize
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#------------------------------------------------------------------------------
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sub _get_create_table_ddl {
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# Extend superclass method to specify the MYISAM storage engine.
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# Returns a "create table" SQL statement.
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my($self, $table) = @_;
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return($self->SUPER::_get_create_table_ddl($table) . ' TYPE = MYISAM');
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} #eosub--_get_create_table_ddl
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#------------------------------------------------------------------------------
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sub _get_create_index_ddl {
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# Extend superclass method to create FULLTEXT indexes on text fields.
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# Returns a "create index" SQL statement.
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my($self, $table_name, $index_name, $index_fields, $index_type) = @_;
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my $sql = "CREATE ";
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$sql .= "$index_type " if ($index_type eq 'UNIQUE'
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|| $index_type eq 'FULLTEXT');
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$sql .= "INDEX $index_name ON $table_name \(" .
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join(", ", @$index_fields) . "\)";
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return($sql);
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} #eosub--_get_create_index_ddl
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#--------------------------------------------------------------------
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# MySQL has a simpler ALTER TABLE syntax than ANSI.
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sub get_alter_column_ddl {
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my ($self, $table, $column, $new_def) = @_;
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my $new_ddl = $self->get_type_ddl($new_def);
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return (("ALTER TABLE $table CHANGE COLUMN $column $column $new_ddl"));
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}
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sub get_drop_index_ddl {
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my ($self, $table, $name) = @_;
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return ("DROP INDEX $name ON $table");
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}
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sub get_rename_column_ddl {
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my ($self, $table, $old_name, $new_name) = @_;
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my $def = $self->get_type_ddl($self->get_column($table, $old_name));
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return ("ALTER TABLE $table CHANGE COLUMN $old_name $new_name $def");
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}
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1;
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