Class Mage_Eav_Model_Resource_Helper_Mysql4

Eav Mysql resource helper model

Mage_Eav_Model_Resource_Helper_Mysql4

Package: Mage\Eav
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/Eav/Model/Resource/Helper/Mysql4.php

Methods summary
`public string\|array`	# `attributeSelectFields( string $tableAlias, string $eavType )` Returns columns for select Returns columns for select Parameters `$tableAlias` `string` $tableAlias `$eavType` `string` $eavType Returns `string\|array`
`public string`	# `getDdlTypeByColumnType( string $columnType )` Returns DDL type by column type in database Returns DDL type by column type in database Parameters `$columnType` `string` $columnType Returns `string`
`public Zend_Db_Expr`	# `prepareEavAttributeValue( string $value, string $eavType )` Prepares value fields for unions depend on type Prepares value fields for unions depend on type Parameters `$value` `string` $value `$eavType` `string` $eavType Returns `Zend_Db_Expr`
`public array`	# `getLoadAttributesSelectGroups( array $selects )` Groups selects to separate unions depend on type Groups selects to separate unions depend on type Parameters `$selects` `array` $selects Returns `array`
`public Zend_Db_Expr`	# `getCastToIntExpression( string\|Zend_Db_Expr $expression )` Retrieve 'cast to int' expression Retrieve 'cast to int' expression Parameters `$expression` `string\|Zend_Db_Expr` $expression Returns `Zend_Db_Expr`

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 summary
`protected array`	`$_ddlColumnTypes`	array( Varien_Db_Ddl_Table::TYPE_BOOLEAN => 'bool', Varien_Db_Ddl_Table::TYPE_SMALLINT => 'smallint', Varien_Db_Ddl_Table::TYPE_INTEGER => 'int', Varien_Db_Ddl_Table::TYPE_BIGINT => 'bigint', Varien_Db_Ddl_Table::TYPE_FLOAT => 'float', Varien_Db_Ddl_Table::TYPE_DECIMAL => 'decimal', Varien_Db_Ddl_Table::TYPE_NUMERIC => 'decimal', Varien_Db_Ddl_Table::TYPE_DATE => 'date', Varien_Db_Ddl_Table::TYPE_TIMESTAMP => 'timestamp', Varien_Db_Ddl_Table::TYPE_DATETIME => 'datetime', Varien_Db_Ddl_Table::TYPE_TEXT => 'text', Varien_Db_Ddl_Table::TYPE_BLOB => 'blob', Varien_Db_Ddl_Table::TYPE_VARBINARY => 'blob' )	# Mysql column - Table DDL type pairs Mysql column - Table DDL type pairs

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