PHP Varien_Db_Select::columns方法代码示例

 /**
  * Apply price rule price to price index table
  *
  * @param Varien_Db_Select $select
  * @param array|string $indexTable
  * @param string $entityId
  * @param string $customerGroupId
  * @param string $websiteId
  * @param array $updateFields       the array of fields for compare with rule price and update
  * @param string $websiteDate
  * @return Mage_CatalogRule_Model_Resource_Rule_Product_Price
  */
 public function applyPriceRuleToIndexTable(Varien_Db_Select $select, $indexTable, $entityId, $customerGroupId, $websiteId, $updateFields, $websiteDate)
 {
     if (empty($updateFields)) {
         return $this;
     }
     if (is_array($indexTable)) {
         foreach ($indexTable as $k => $v) {
             if (is_string($k)) {
                 $indexAlias = $k;
             } else {
                 $indexAlias = $v;
             }
             break;
         }
     } else {
         $indexAlias = $indexTable;
     }
     $select->join(array('rp' => $this->getMainTable()), "rp.rule_date = {$websiteDate}", array())->where("rp.product_id = {$entityId} AND rp.website_id = {$websiteId} AND rp.customer_group_id = {$customerGroupId}");
     foreach ($updateFields as $priceField) {
         $priceCond = $this->_getWriteAdapter()->quoteIdentifier(array($indexAlias, $priceField));
         $priceExpr = $this->_getWriteAdapter()->getCheckSql("rp.rule_price < {$priceCond}", 'rp.rule_price', $priceCond);
         $select->columns(array($priceField => $priceExpr));
     }
     $query = $select->crossUpdateFromSelect($indexTable);
     $this->_getWriteAdapter()->query($query);
     return $this;
 }

 /**
  * @param array|string $attributes
  * @param Varien_Db_Select $select
  * @param string $mainCorrelation
  * @param string $mainIdColumn
  * @return $this
  */
 public function includeProductAttribute($attributes, $select, $mainCorrelation = 'main_table', $mainIdColumn = null, $joinTableAlias = null, $resourceName = null)
 {
     $attributes = $this->_loadAttributes($attributes);
     $mainIdColumn = $mainIdColumn ?: 'entity_id';
     $joinTableAlias = $joinTableAlias ?: 'product_%s_table';
     foreach ($attributes as $attributeCode) {
         /** @var Mage_Eav_Model_Entity_Attribute $attribute */
         if (is_string($attributeCode)) {
             $attribute = $this->_getCachedAttribute($attributeCode);
         } else {
             $attribute = $attributeCode;
         }
         $attributeCode = $attribute->getAttributeCode();
         if ($attribute->getId()) {
             if ($attribute->getBackendType() == 'static') {
                 $select->columns($attribute->getAttributeCode());
             } else {
                 $joinTable = sprintf($joinTableAlias, $attributeCode);
                 $select->joinLeft(array($joinTable => $attribute->getBackendTable()), sprintf('`%s`.%s = `%s`.entity_id AND `%s`.attribute_id = %s', $mainCorrelation, $mainIdColumn, $joinTable, $joinTable, $attribute->getAttributeId()), array($attributeCode => new Zend_Db_Expr(sprintf('`%s`.value', $joinTable))));
             }
         }
     }
     return $this;
 }

 /**
  * Adds Columns prepared for union
  *
  * @param Varien_Db_Select $select
  * @param string $table
  * @param string $type
  * @return Varien_Db_Select
  */
 protected function _addLoadAttributesSelectFields($select, $table, $type)
 {
     $select->columns(Mage::getResourceHelper('catalog')->attributeSelectFields('attr_table', $type));
     return $select;
 }

 /**
  * Join information for usin full text search
  *
  * @param  Varien_Db_Select $select
  * @return Varien_Db_Select $select
  */
 public function chooseFulltext($table, $alias, $select)
 {
     $field = new Zend_Db_Expr('MATCH (' . $alias . '.data_index) AGAINST (:query IN BOOLEAN MODE)');
     $select->columns(array('relevance' => $field));
     return $field;
 }

 /**
  * Adds order by random to select object
  * Possible using integer field for optimization
  *
  * @param Varien_Db_Select $select
  * @param string $field
  * @return Varien_Db_Adapter_Pdo_Mysql
  */
 public function orderRand(Varien_Db_Select $select, $field = null)
 {
     if ($field !== null) {
         $expression = new Zend_Db_Expr(sprintf('RAND() * %s', $this->quoteIdentifier($field)));
         $select->columns(array('mage_rand' => $expression));
         $spec = new Zend_Db_Expr('mage_rand');
     } else {
         $spec = new Zend_Db_Expr('RAND()');
     }
     $select->order($spec);
     return $this;
 }

 /**
  * @param Varien_Db_Select $select
  * @param string $table
  * @param string $type
  * @return Varien_Db_Select
  */
 protected function _addLoadAttributesSelectValues($select, $table, $type)
 {
     $helper = Mage::getResourceHelper('eav');
     $select->columns(array('value' => $helper->prepareEavAttributeValue($table . '.value', $type)));
     return $select;
 }

    /**
     * @param Varien_Db_Select $select
     * @param string $table
     * @param string $type
     * @return Varien_Db_Select
     */
    protected function _addLoadAttributesSelectValues($select, $table, $type)
    {
        $storeId = $this->getStoreId();
        if ($storeId) {
            $helper = Mage::getResourceHelper('eav');
            $adapter        = $this->getConnection();
            $valueExpr      = $adapter->getCheckSql(
                't_s.value_id IS NULL',
                $helper->prepareEavAttributeValue('t_d.value', $type),
                $helper->prepareEavAttributeValue('t_s.value', $type)
            );

            $select->columns(array(
                'default_value' => $helper->prepareEavAttributeValue('t_d.value', $type),
                'store_value'   => $helper->prepareEavAttributeValue('t_s.value', $type),
                'value'         => $valueExpr
            ));
        } else {
            $select = parent::_addLoadAttributesSelectValues($select, $table, $type);
        }
        return $select;
    }

 /**
  * Enter description here ...
  * @param Varien_Db_Select $select
  * @param string $column
  */
 public function selectColumn($select, $column)
 {
     list($expr, $alias) = explode(' AS ', $column);
     foreach ($select->getPart(Zend_Db_Select::COLUMNS) as $columnInfo) {
         if ($columnInfo[2] == $alias) {
             return $this;
         }
     }
     $select->columns($column);
     return $this;
 }

 /**
  * Add prepared column group_concat expression
  *
  * @param Varien_Db_Select $select
  * @param string $fieldAlias Field alias which will be added with column group_concat expression
  * @param string $fields
  * @param string $groupConcatDelimiter
  * @param string $fieldsDelimiter
  * @param string $additionalWhere
  * @return Varien_Db_Select
  */
 public function addGroupConcatColumn($select, $fieldAlias, $fields, $groupConcatDelimiter = ',', $fieldsDelimiter = '', $additionalWhere = '')
 {
     if (is_array($fields)) {
         $fieldExpr = $this->_getReadAdapter()->getConcatSql($fields, $fieldsDelimiter);
     } else {
         $fieldExpr = $fields;
     }
     if ($additionalWhere) {
         $fieldExpr = $this->_getReadAdapter()->getCheckSql($additionalWhere, $fieldExpr, "''");
     }
     $separator = '';
     if ($groupConcatDelimiter) {
         $separator = sprintf(" SEPARATOR '%s'", $groupConcatDelimiter);
     }
     $select->columns(array($fieldAlias => new Zend_Db_Expr(sprintf('GROUP_CONCAT(%s%s)', $fieldExpr, $separator))));
     return $select;
 }

 public function addLinkUrlToFlatCatalogSelect(Varien_Db_Select $select)
 {
     $select->columns(array('url' => VinaiKopp_CategoryLink_Helper_Data::ATTR_CODE_LINK));
 }

 /**
  * FastIndexer
  * Keep method private because of the last two args which can be used for SQL injections
  *
  * @param Varien_Db_Select $select
  * @param string           $attributeCode
  * @param int              $storeId
  * @param string           $sqlCompare
  * @param string|int       $attributeValue
  * @param bool             $addAttributeToColumn
  */
 private function _addProductAttributeToSelect(Varien_Db_Select $select, $attributeCode, $storeId, $sqlCompare = null, $attributeValue = null, $addAttributeToColumn = true)
 {
     $adapter = $this->_getReadAdapter();
     /** @var $adapter SchumacherFM_FastIndexer_Model_Db_Adapter_Pdo_Mysql */
     if (!isset($this->_productAttributes[$attributeCode])) {
         $attribute = $this->getProductModel()->getResource()->getAttribute($attributeCode);
         $this->_productAttributes[$attributeCode] = array('entity_type_id' => $attribute->getEntityTypeId(), 'attribute_id' => $attribute->getId(), 'table' => $attribute->getBackend()->getTable(), 'is_global' => $attribute->getIsGlobal());
         unset($attribute);
     }
     $tableAlias = 'tj' . $attributeCode;
     $tAttrId = (int) $this->_productAttributes[$attributeCode]['attribute_id'];
     $tTypeId = (int) $this->_productAttributes[$attributeCode]['entity_type_id'];
     if (1 === (int) $this->_productAttributes[$attributeCode]['is_global'] || $storeId == 0) {
         $joinColumns = array($tableAlias . '.entity_type_id = ' . $tTypeId, $tableAlias . '.store_id = 0', $tableAlias . '.attribute_id = ' . $tAttrId, 'e.entity_id = ' . $tableAlias . '.entity_id');
         if (null !== $sqlCompare && null !== $attributeValue) {
             $joinColumns[] = $tableAlias . '.value ' . $sqlCompare . ' ' . $attributeValue;
         }
         $select->join(array($tableAlias => $this->_productAttributes[$attributeCode]['table']), implode(' AND ', $joinColumns), array());
         if (true === $addAttributeToColumn) {
             $select->columns(array($attributeCode => $tableAlias . '.value'));
         }
     } else {
         $t1 = 't1' . $tableAlias;
         $t2 = 't2' . $tableAlias;
         $valueExpr = $adapter->getCheckSql('IFNULL(' . $t2 . '.value_id,0) > 0', $t2 . '.value', $t1 . '.value');
         $select->join(array($t1 => $this->_productAttributes[$attributeCode]['table']), 'e.entity_id = ' . $t1 . '.entity_id AND ' . $t1 . '.store_id = 0 AND ' . $t1 . '.attribute_id = ' . $tAttrId, array())->joinLeft(array($t2 => $this->_productAttributes[$attributeCode]['table']), $t1 . '.entity_id = ' . $t2 . '.entity_id AND ' . $t1 . '.attribute_id = ' . $t2 . '.attribute_id AND ' . $t2 . '.store_id = ' . $storeId, array());
         if (true === $addAttributeToColumn) {
             $select->columns(array($attributeCode => $valueExpr));
         }
         if (null !== $sqlCompare && null !== $attributeValue) {
             $select->where($valueExpr . ' ' . $sqlCompare . ' ' . $attributeValue);
         }
     }
 }