Class Mage_Catalog_Model_Resource_Helper_Mysql4

Eav Mysql resource helper model

Mage_Catalog_Model_Resource_Helper_Mysql4

Package: Mage\Catalog
Category: Mage
Copyright: Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
License: Open Software License (OSL 3.0)
Author: Magento Core Team <core@magentocommerce.com>
Located at code/core/Mage/Catalog/Model/Resource/Helper/Mysql4.php

Methods summary
`public array`	# `attributeSelectFields( string $tableAlias, string $eavType )` Returns columns for select Returns columns for select Parameters `$tableAlias` `string` $tableAlias `$eavType` `string` $eavType Returns `array` Overrides `Mage_Eav_Model_Resource_Helper_Mysql4::attributeSelectFields()`
`public boolean`	# `compareIndexColumnProperties( array $column, array $describe )` Compare Flat style with Describe style columns If column a different - return false Compare Flat style with Describe style columns If column a different - return false Parameters `$column` `array` $column `$describe` `array` $describe Returns `boolean`
`public string`	# `getIsNullNotNullCondition( string $field1, string $field2 )` Getting condition isNull(f1,f2) IS NOT Null Getting condition isNull(f1,f2) IS NOT Null Parameters `$field1` `string` $field1 `$field2` `string` $field2 Returns `string`

Methods inherited from Mage_Eav_Model_Resource_Helper_Mysql4
`getCastToIntExpression(), getDdlTypeByColumnType(), getLoadAttributesSelectGroups(), prepareEavAttributeValue()`

Methods inherited from Mage_Core_Model_Resource_Helper_Mysql4
`_assembleLimit(), _prepareGroup(), _prepareHaving(), _prepareOrder(), _truncateAliasName(), addGroupConcatColumn(), addLikeEscape(), castField(), getDateDiff(), getInsertFromSelectUsingAnalytic(), getQueryUsingAnalyticFunction(), limitUnion(), prepareColumn(), prepareColumnsList()`

Methods inherited from Mage_Core_Model_Resource_Helper_Abstract
`__construct(), _getConnection(), _getReadAdapter(), _getWriteAdapter(), convertOldColumnDefinition(), escapeLikeValue(), getCILike()`

Properties inherited from Mage_Eav_Model_Resource_Helper_Mysql4
`$_ddlColumnTypes`

Properties inherited from Mage_Core_Model_Resource_Helper_Abstract
`$_modulePrefix, $_readAdapter, $_writeAdapter`