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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Eav\Model\ResourceModel;
/**
* Eav Mysql resource helper model
*
* @api
* @since 100.0.2
*/
class Helper extends \Magento\Framework\DB\Helper
{
/**
* Construct
*
* @param \Magento\Framework\App\ResourceConnection $resource
* @param string $modulePrefix
* @codeCoverageIgnore
* phpcs:disable Generic.CodeAnalysis.UselessOverridingMethod
*/
public function __construct(\Magento\Framework\App\ResourceConnection $resource, $modulePrefix = 'Magento_Eav')
{
parent::__construct($resource, $modulePrefix);
}
/**
* Mysql column - Table DDL type pairs
*
* @var array
*/
protected $_ddlColumnTypes = [
\Magento\Framework\DB\Ddl\Table::TYPE_BOOLEAN => 'bool',
\Magento\Framework\DB\Ddl\Table::TYPE_SMALLINT => 'smallint',
\Magento\Framework\DB\Ddl\Table::TYPE_INTEGER => 'int',
\Magento\Framework\DB\Ddl\Table::TYPE_BIGINT => 'bigint',
\Magento\Framework\DB\Ddl\Table::TYPE_FLOAT => 'float',
\Magento\Framework\DB\Ddl\Table::TYPE_DECIMAL => 'decimal',
\Magento\Framework\DB\Ddl\Table::TYPE_NUMERIC => 'decimal',
\Magento\Framework\DB\Ddl\Table::TYPE_DATE => 'date',
\Magento\Framework\DB\Ddl\Table::TYPE_TIMESTAMP => 'timestamp',
\Magento\Framework\DB\Ddl\Table::TYPE_DATETIME => 'datetime',
\Magento\Framework\DB\Ddl\Table::TYPE_TEXT => 'text',
\Magento\Framework\DB\Ddl\Table::TYPE_BLOB => 'blob',
\Magento\Framework\DB\Ddl\Table::TYPE_VARBINARY => 'blob',
];
/**
* Attribute types that can be united via UNION into one query
* while selecting attribute`s data from tables like `catalog_product_entity_datatype`
*
* This helps to run one query with all data types instead of one per each data type
*
* This data types are determined as 'groupable' because their tables have the same structure
* which means that they can be used in one UNION query
*
* @var array
*/
private $_groupableTypes = ['varchar', 'text', 'decimal', 'datetime', 'int'];
/**
* Returns DDL type by column type in database
*
* @param string $columnType
* @return string
*/
public function getDdlTypeByColumnType($columnType)
{
switch ($columnType) {
case 'char':
case 'varchar':
$columnType = 'text';
break;
case 'tinyint':
$columnType = 'smallint';
break;
default:
break;
}
return array_search($columnType, $this->_ddlColumnTypes);
}
/**
* Groups selects to separate unions depend on type
*
* E.g. for input array:
* [
* varchar => [select1, select2],
* text => [select3],
* int => [select4],
* bool => [select5]
* ]
*
* The result array will be:
* [
* 0 => [select1, select2, select3, select4] // contains queries for varchar & text & int
* 1 => [select5] // contains queries for bool
* ]
*
* @param array $selects
* @return array
*/
public function getLoadAttributesSelectGroups($selects)
{
$mainGroup = [];
foreach ($selects as $dataType => $selectGroup) {
if (in_array($dataType, $this->_groupableTypes)) {
$mainGroup['all'][] = $selectGroup;
continue;
}
$mainGroup[$dataType] = $selectGroup;
}
if (array_key_exists('all', $mainGroup)) {
// it is better to call array_merge once after loop instead of calling it on each loop
$mainGroup['all'] = array_merge([], ...$mainGroup['all']);
}
return array_values($mainGroup);
}
}