PHP AdapterInterface::getConcatSql方法代碼示例

 /**
  * Returns SQL expression
  *   TRIM(CONCAT_WS(separator, IF(str1 <> '', str1, NULL), IF(str2 <> '', str2, NULL) ...))
  *
  * @return string
  */
 public function __toString()
 {
     $columns = [];
     foreach ($this->columns as $key => $part) {
         if (isset($part['columnName']) && $part['columnName'] instanceof \Zend_Db_Expr) {
             $column = $part['columnName'];
         } else {
             $column = $this->adapter->quoteIdentifier((isset($part['tableAlias']) ? $part['tableAlias'] . '.' : '') . (isset($part['columnName']) ? $part['columnName'] : $key));
         }
         $columns[] = $this->adapter->getCheckSql($column . " <> ''", $column, 'NULL');
     }
     return sprintf('TRIM(%s)', $this->adapter->getConcatSql($columns, ' '));
 }

 /**
  * Populate the temporary category tree index table
  *
  * @param string $temporaryName
  */
 protected function fillTempCategoryTreeIndex($temporaryName)
 {
     // This finds all children (cc2) that descend from a parent (cc) by path.
     // For example, cc.path may be '1/2', and cc2.path may be '1/2/3/4/5'.
     $temporarySelect = $this->connection->select()->from(['cc' => $this->getTable('catalog_category_entity')], ['parent_id' => 'entity_id'])->joinInner(['cc2' => $this->getTable('catalog_category_entity')], 'cc2.path LIKE ' . $this->connection->getConcatSql([$this->connection->quoteIdentifier('cc.path'), $this->connection->quote('/%')]), ['child_id' => 'entity_id']);
     $this->connection->query($temporarySelect->insertFromSelect($temporaryName, ['parent_id', 'child_id']));
 }

 /**
  * Create anchor select
  *
  * @param \Magento\Store\Model\Store $store
  * @return \Magento\Framework\DB\Select
  */
 protected function createAnchorSelect(\Magento\Store\Model\Store $store)
 {
     $isAnchorAttributeId = $this->config->getAttribute(\Magento\Catalog\Model\Category::ENTITY, 'is_anchor')->getId();
     $statusAttributeId = $this->config->getAttribute(\Magento\Catalog\Model\Product::ENTITY, 'status')->getId();
     $visibilityAttributeId = $this->config->getAttribute(\Magento\Catalog\Model\Product::ENTITY, 'visibility')->getId();
     $rootCatIds = explode('/', $this->getPathFromCategoryId($store->getRootCategoryId()));
     array_pop($rootCatIds);
     return $this->connection->select()->from(['cc' => $this->getTable('catalog_category_entity')], [])->joinInner(['cc2' => $this->getTable('catalog_category_entity')], 'cc2.path LIKE ' . $this->connection->getConcatSql([$this->connection->quoteIdentifier('cc.path'), $this->connection->quote('/%')]) . ' AND cc.entity_id NOT IN (' . implode(',', $rootCatIds) . ')', [])->joinInner(['ccp' => $this->getTable('catalog_category_product')], 'ccp.category_id = cc2.entity_id', [])->joinInner(['cpw' => $this->getTable('catalog_product_website')], 'cpw.product_id = ccp.product_id', [])->joinInner(['cpsd' => $this->getTable('catalog_product_entity_int')], 'cpsd.entity_id = ccp.product_id AND cpsd.store_id = 0' . ' AND cpsd.attribute_id = ' . $statusAttributeId, [])->joinLeft(['cpss' => $this->getTable('catalog_product_entity_int')], 'cpss.entity_id = ccp.product_id AND cpss.attribute_id = cpsd.attribute_id' . ' AND cpss.store_id = ' . $store->getId(), [])->joinInner(['cpvd' => $this->getTable('catalog_product_entity_int')], 'cpvd.entity_id = ccp.product_id AND cpvd.store_id = 0' . ' AND cpvd.attribute_id = ' . $visibilityAttributeId, [])->joinLeft(['cpvs' => $this->getTable('catalog_product_entity_int')], 'cpvs.entity_id = ccp.product_id AND cpvs.attribute_id = cpvd.attribute_id ' . 'AND cpvs.store_id = ' . $store->getId(), [])->joinInner(['ccad' => $this->getTable('catalog_category_entity_int')], 'ccad.entity_id = cc.entity_id AND ccad.store_id = 0' . ' AND ccad.attribute_id = ' . $isAnchorAttributeId, [])->joinLeft(['ccas' => $this->getTable('catalog_category_entity_int')], 'ccas.entity_id = cc.entity_id AND ccas.attribute_id = ccad.attribute_id' . ' AND ccas.store_id = ' . $store->getId(), [])->where('cpw.website_id = ?', $store->getWebsiteId())->where($this->connection->getIfNullSql('cpss.value', 'cpsd.value') . ' = ?', \Magento\Catalog\Model\Product\Attribute\Source\Status::STATUS_ENABLED)->where($this->connection->getIfNullSql('cpvs.value', 'cpvd.value') . ' IN (?)', [\Magento\Catalog\Model\Product\Visibility::VISIBILITY_IN_CATALOG, \Magento\Catalog\Model\Product\Visibility::VISIBILITY_IN_SEARCH, \Magento\Catalog\Model\Product\Visibility::VISIBILITY_BOTH])->where($this->connection->getIfNullSql('ccas.value', 'ccad.value') . ' = ?', 1)->columns(['category_id' => 'cc.entity_id', 'product_id' => 'ccp.product_id', 'position' => new \Zend_Db_Expr('ccp.position + 10000'), 'is_parent' => new \Zend_Db_Expr('0'), 'store_id' => new \Zend_Db_Expr($store->getId()), 'visibility' => new \Zend_Db_Expr($this->connection->getIfNullSql('cpvs.value', 'cpvd.value'))]);
 }