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<?php
class m110517_155003_create_tables_audit_trail extends CDbMigration
{
/**
* Creates initial version of the audit trail table
*/
public function up()
{
//Create our first version of the audittrail table
//Please note that this matches the original creation of the
//table from version 1 of the extension. Other migrations will
//upgrade it from here if we ever need to. This was done so
//that older versions can still use migrate functionality to upgrade.
$this->createTable( 'tbl_audit_trail',
array(
'id' => 'pk',
'old_value' => 'text',
'new_value' => 'text',
'action' => 'string NOT NULL',
'model' => 'string NOT NULL',
'field' => 'string NOT NULL',
'stamp' => 'datetime NOT NULL',
'user_id' => 'string',
'model_id' => 'string NOT NULL',
)
);
//Index these bad boys for speedy lookups
$this->createIndex( 'idx_audit_trail_user_id', 'tbl_audit_trail', 'user_id');
$this->createIndex( 'idx_audit_trail_model_id', 'tbl_audit_trail', 'model_id');
$this->createIndex( 'idx_audit_trail_model', 'tbl_audit_trail', 'model');
$this->createIndex( 'idx_audit_trail_field', 'tbl_audit_trail', 'field');
$this->createIndex( 'idx_audit_trail_action', 'tbl_audit_trail', 'action');
}
/**
* Drops the audit trail table
*/
public function down()
{
$this->dropTable( 'tbl_audit_trail' );
}
/**
* Creates initial version of the audit trail table in a transaction-safe way.
* Uses $this->up to not duplicate code.
*/
public function safeUp()
{
$this->up();
}
/**
* Drops the audit trail table in a transaction-safe way.
* Uses $this->down to not duplicate code.
*/
public function safeDown()
{
$this->down();
}
}
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