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@ -6,6 +6,9 @@
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*/ |
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namespace yii\sphinx; |
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use yii\base\Object; |
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use yii\db\Exception; |
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use yii\db\Expression; |
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/** |
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@ -14,9 +17,35 @@ use yii\db\Expression;
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* @author Paul Klimov <klimov.paul@gmail.com> |
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* @since 2.0 |
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*/ |
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class QueryBuilder extends \yii\db\mysql\QueryBuilder |
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class QueryBuilder extends Object |
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{ |
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/** |
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* The prefix for automatically generated query binding parameters. |
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*/ |
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const PARAM_PREFIX = ':sp'; |
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/** |
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* @var Connection the Sphinx connection. |
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*/ |
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public $db; |
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/** |
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* @var string the separator between different fragments of a SQL statement. |
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* Defaults to an empty space. This is mainly used by [[build()]] when generating a SQL statement. |
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*/ |
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public $separator = " "; |
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/** |
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* Constructor. |
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* @param Connection $connection the Sphinx connection. |
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* @param array $config name-value pairs that will be used to initialize the object properties |
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*/ |
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public function __construct($connection, $config = []) |
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{ |
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$this->db = $connection; |
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parent::__construct($config); |
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} |
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/** |
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* Generates a SELECT SQL statement from a [[Query]] object. |
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* @param Query $query the [[Query]] object from which the SQL statement will be generated |
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* @return array the generated SQL statement (the first array element) and the corresponding |
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@ -39,85 +68,618 @@ class QueryBuilder extends \yii\db\mysql\QueryBuilder
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} |
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/** |
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* @param array $columns |
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* @return string the ORDER BY clause built from [[query]]. |
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* Creates an INSERT SQL statement. |
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* For example, |
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* |
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* ~~~ |
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* $sql = $queryBuilder->insert('idx_user', [ |
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* 'name' => 'Sam', |
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* 'age' => 30, |
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* ], $params); |
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* ~~~ |
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* |
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* The method will properly escape the index and column names. |
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* |
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* @param string $index the index that new rows will be inserted into. |
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* @param array $columns the column data (name => value) to be inserted into the index. |
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* @param array $params the binding parameters that will be generated by this method. |
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* They should be bound to the DB command later. |
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* @return string the INSERT SQL |
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*/ |
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public function buildWithin($columns) |
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public function insert($index, $columns, &$params) |
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{ |
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if (empty($columns)) { |
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return ''; |
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if (($indexSchema = $this->db->getIndexSchema($index)) !== null) { |
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$columnSchemas = $indexSchema->columns; |
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} else { |
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$columnSchemas = []; |
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} |
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$orders = []; |
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foreach ($columns as $name => $direction) { |
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if (is_object($direction)) { |
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$orders[] = (string)$direction; |
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$names = []; |
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$placeholders = []; |
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foreach ($columns as $name => $value) { |
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$names[] = $this->db->quoteColumnName($name); |
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if ($value instanceof Expression) { |
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$placeholders[] = $value->expression; |
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foreach ($value->params as $n => $v) { |
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$params[$n] = $v; |
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} |
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} else { |
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$orders[] = $this->db->quoteColumnName($name) . ($direction === Query::SORT_DESC ? ' DESC' : ''); |
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$phName = self::PARAM_PREFIX . count($params); |
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$placeholders[] = $phName; |
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$params[$phName] = !is_array($value) && isset($columnSchemas[$name]) ? $columnSchemas[$name]->typecast($value) : $value; |
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} |
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} |
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return 'WITHIN GROUP ORDER BY ' . implode(', ', $orders); |
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return 'INSERT INTO ' . $this->db->quoteIndexName($index) |
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. ' (' . implode(', ', $names) . ') VALUES (' |
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. implode(', ', $placeholders) . ')'; |
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} |
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/** |
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* @param array $options |
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* @return string the OPTION clause build from [[query]] |
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* Generates a batch INSERT SQL statement. |
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* For example, |
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* |
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* ~~~ |
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* $connection->createCommand()->batchInsert('idx_user', ['name', 'age'], [ |
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* ['Tom', 30], |
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* ['Jane', 20], |
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* ['Linda', 25], |
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* ])->execute(); |
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* ~~~ |
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* |
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* Note that the values in each row must match the corresponding column names. |
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* |
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* @param string $index the index that new rows will be inserted into. |
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* @param array $columns the column names |
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* @param array $rows the rows to be batch inserted into the index |
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* @return string the batch INSERT SQL statement |
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*/ |
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public function buildOption(array $options) |
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public function batchInsert($index, $columns, $rows) |
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{ |
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if (empty($options)) { |
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return ''; |
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if (($indexSchema = $this->db->getIndexSchema($index)) !== null) { |
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$columnSchemas = $indexSchema->columns; |
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} else { |
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$columnSchemas = []; |
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} |
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$optionLines = []; |
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foreach ($options as $name => $value) { |
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$optionLines[] = $name . ' = ' . $value; |
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foreach ($columns as $i => $name) { |
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$columns[$i] = $this->db->quoteColumnName($name); |
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} |
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return 'OPTION ' . implode(', ', $optionLines); |
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$values = []; |
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foreach ($rows as $row) { |
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$vs = []; |
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foreach ($row as $i => $value) { |
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if (!is_array($value) && isset($columnSchemas[$columns[$i]])) { |
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$value = $columnSchemas[$columns[$i]]->typecast($value); |
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} |
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$vs[] = is_string($value) ? $this->db->quoteValue($value) : $value; |
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} |
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$values[] = '(' . implode(', ', $vs) . ')'; |
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} |
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return 'INSERT INTO ' . $this->db->quoteIndexName($index) |
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. ' (' . implode(', ', $columns) . ') VALUES ' . implode(', ', $values); |
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} |
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/** |
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* Creates an INSERT SQL statement. |
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* Creates an UPDATE SQL statement. |
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* For example, |
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* |
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* ~~~ |
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* $sql = $queryBuilder->insert('tbl_user', [ |
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* 'name' => 'Sam', |
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* 'age' => 30, |
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* ], $params); |
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* $params = []; |
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* $sql = $queryBuilder->update('idx_user', ['status' => 1], 'age > 30', $params); |
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* ~~~ |
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* |
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* The method will properly escape the table and column names. |
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* The method will properly escape the index and column names. |
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* |
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* @param string $table the table that new rows will be inserted into. |
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* @param array $columns the column data (name => value) to be inserted into the table. |
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* @param array $params the binding parameters that will be generated by this method. |
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* They should be bound to the DB command later. |
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* @return string the INSERT SQL |
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* @param string $index the index to be updated. |
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* @param array $columns the column data (name => value) to be updated. |
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* @param array|string $condition the condition that will be put in the WHERE part. Please |
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* refer to [[Query::where()]] on how to specify condition. |
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* @param array $params the binding parameters that will be modified by this method |
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* so that they can be bound to the DB command later. |
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* @return string the UPDATE SQL |
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*/ |
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public function insert($table, $columns, &$params) |
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public function update($index, $columns, $condition, &$params) |
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{ |
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if (($tableSchema = $this->db->getTableSchema($table)) !== null) { |
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$columnSchemas = $tableSchema->columns; |
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if (($indexSchema = $this->db->getIndexSchema($index)) !== null) { |
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$columnSchemas = $indexSchema->columns; |
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} else { |
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$columnSchemas = []; |
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} |
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$names = []; |
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$placeholders = []; |
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$lines = []; |
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foreach ($columns as $name => $value) { |
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$names[] = $this->db->quoteColumnName($name); |
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if ($value instanceof Expression) { |
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$placeholders[] = $value->expression; |
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$lines[] = $this->db->quoteColumnName($name) . '=' . $value->expression; |
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foreach ($value->params as $n => $v) { |
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$params[$n] = $v; |
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} |
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} else { |
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$phName = self::PARAM_PREFIX . count($params); |
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$placeholders[] = $phName; |
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$lines[] = $this->db->quoteColumnName($name) . '=' . $phName; |
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$params[$phName] = !is_array($value) && isset($columnSchemas[$name]) ? $columnSchemas[$name]->typecast($value) : $value; |
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} |
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} |
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return 'INSERT INTO ' . $this->db->quoteTableName($table) |
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. ' (' . implode(', ', $names) . ') VALUES (' |
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. implode(', ', $placeholders) . ')'; |
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$sql = 'UPDATE ' . $this->db->quoteIndexName($index) . ' SET ' . implode(', ', $lines); |
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$where = $this->buildWhere($condition, $params); |
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return $where === '' ? $sql : $sql . ' ' . $where; |
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} |
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/** |
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* Creates a DELETE SQL statement. |
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* For example, |
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* |
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* ~~~ |
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* $sql = $queryBuilder->delete('tbl_user', 'status = 0'); |
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* ~~~ |
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* |
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* The method will properly escape the index and column names. |
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* |
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* @param string $index the index where the data will be deleted from. |
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* @param array|string $condition the condition that will be put in the WHERE part. Please |
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* refer to [[Query::where()]] on how to specify condition. |
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* @param array $params the binding parameters that will be modified by this method |
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* so that they can be bound to the DB command later. |
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* @return string the DELETE SQL |
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*/ |
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public function delete($index, $condition, &$params) |
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{ |
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$sql = 'DELETE FROM ' . $this->db->quoteIndexName($index); |
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$where = $this->buildWhere($condition, $params); |
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return $where === '' ? $sql : $sql . ' ' . $where; |
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} |
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/** |
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* Builds a SQL statement for truncating a DB index. |
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* @param string $index the index to be truncated. The name will be properly quoted by the method. |
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* @return string the SQL statement for truncating a DB index. |
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*/ |
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public function truncateIndex($index) |
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{ |
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return 'TRUNCATE RTINDEX ' . $this->db->quoteIndexName($index); |
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} |
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/** |
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* @param array $columns |
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* @param boolean $distinct |
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* @param string $selectOption |
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* @return string the SELECT clause built from [[query]]. |
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*/ |
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public function buildSelect($columns, $distinct = false, $selectOption = null) |
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{ |
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$select = $distinct ? 'SELECT DISTINCT' : 'SELECT'; |
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if ($selectOption !== null) { |
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$select .= ' ' . $selectOption; |
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} |
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if (empty($columns)) { |
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return $select . ' *'; |
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} |
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foreach ($columns as $i => $column) { |
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if (is_object($column)) { |
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$columns[$i] = (string)$column; |
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} elseif (strpos($column, '(') === false) { |
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if (preg_match('/^(.*?)(?i:\s+as\s+|\s+)([\w\-_\.]+)$/', $column, $matches)) { |
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$columns[$i] = $this->db->quoteColumnName($matches[1]) . ' AS ' . $this->db->quoteColumnName($matches[2]); |
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} else { |
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$columns[$i] = $this->db->quoteColumnName($column); |
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} |
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} |
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} |
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if (is_array($columns)) { |
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$columns = implode(', ', $columns); |
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} |
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return $select . ' ' . $columns; |
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} |
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/** |
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* @param array $indexes |
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* @return string the FROM clause built from [[query]]. |
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*/ |
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public function buildFrom($indexes) |
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{ |
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if (empty($indexes)) { |
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return ''; |
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} |
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foreach ($indexes as $i => $index) { |
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if (strpos($index, '(') === false) { |
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if (preg_match('/^(.*?)(?i:\s+as|)\s+([^ ]+)$/', $index, $matches)) { // with alias |
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$indexes[$i] = $this->db->quoteIndexName($matches[1]) . ' ' . $this->db->quoteIndexName($matches[2]); |
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} else { |
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$indexes[$i] = $this->db->quoteIndexName($index); |
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} |
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} |
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} |
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if (is_array($indexes)) { |
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$indexes = implode(', ', $indexes); |
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} |
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return 'FROM ' . $indexes; |
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} |
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/** |
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* @param string|array $condition |
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* @param array $params the binding parameters to be populated |
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* @return string the WHERE clause built from [[query]]. |
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*/ |
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public function buildWhere($condition, &$params) |
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{ |
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$where = $this->buildCondition($condition, $params); |
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return $where === '' ? '' : 'WHERE ' . $where; |
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} |
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/** |
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* @param array $columns |
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* @return string the GROUP BY clause |
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*/ |
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public function buildGroupBy($columns) |
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{ |
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return empty($columns) ? '' : 'GROUP BY ' . $this->buildColumns($columns); |
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} |
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/** |
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* @param array $columns |
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* @return string the ORDER BY clause built from [[query]]. |
|
|
|
|
*/ |
|
|
|
|
public function buildOrderBy($columns) |
|
|
|
|
{ |
|
|
|
|
if (empty($columns)) { |
|
|
|
|
return ''; |
|
|
|
|
} |
|
|
|
|
$orders = []; |
|
|
|
|
foreach ($columns as $name => $direction) { |
|
|
|
|
if (is_object($direction)) { |
|
|
|
|
$orders[] = (string)$direction; |
|
|
|
|
} else { |
|
|
|
|
$orders[] = $this->db->quoteColumnName($name) . ($direction === Query::SORT_DESC ? ' DESC' : ''); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
return 'ORDER BY ' . implode(', ', $orders); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
* @param integer $limit |
|
|
|
|
* @param integer $offset |
|
|
|
|
* @return string the LIMIT and OFFSET clauses built from [[query]]. |
|
|
|
|
*/ |
|
|
|
|
public function buildLimit($limit, $offset) |
|
|
|
|
{ |
|
|
|
|
$sql = ''; |
|
|
|
|
if ($limit !== null && $limit >= 0) { |
|
|
|
|
$sql = 'LIMIT ' . (int)$limit; |
|
|
|
|
} |
|
|
|
|
if ($offset > 0) { |
|
|
|
|
$sql .= ' OFFSET ' . (int)$offset; |
|
|
|
|
} |
|
|
|
|
return ltrim($sql); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
* Processes columns and properly quote them if necessary. |
|
|
|
|
* It will join all columns into a string with comma as separators. |
|
|
|
|
* @param string|array $columns the columns to be processed |
|
|
|
|
* @return string the processing result |
|
|
|
|
*/ |
|
|
|
|
public function buildColumns($columns) |
|
|
|
|
{ |
|
|
|
|
if (!is_array($columns)) { |
|
|
|
|
if (strpos($columns, '(') !== false) { |
|
|
|
|
return $columns; |
|
|
|
|
} else { |
|
|
|
|
$columns = preg_split('/\s*,\s*/', $columns, -1, PREG_SPLIT_NO_EMPTY); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
foreach ($columns as $i => $column) { |
|
|
|
|
if (is_object($column)) { |
|
|
|
|
$columns[$i] = (string)$column; |
|
|
|
|
} elseif (strpos($column, '(') === false) { |
|
|
|
|
$columns[$i] = $this->db->quoteColumnName($column); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
return is_array($columns) ? implode(', ', $columns) : $columns; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
* Parses the condition specification and generates the corresponding SQL expression. |
|
|
|
|
* @param string|array $condition the condition specification. Please refer to [[Query::where()]] |
|
|
|
|
* on how to specify a condition. |
|
|
|
|
* @param array $params the binding parameters to be populated |
|
|
|
|
* @return string the generated SQL expression |
|
|
|
|
* @throws \yii\db\Exception if the condition is in bad format |
|
|
|
|
*/ |
|
|
|
|
public function buildCondition($condition, &$params) |
|
|
|
|
{ |
|
|
|
|
static $builders = [ |
|
|
|
|
'AND' => 'buildAndCondition', |
|
|
|
|
'OR' => 'buildAndCondition', |
|
|
|
|
'BETWEEN' => 'buildBetweenCondition', |
|
|
|
|
'NOT BETWEEN' => 'buildBetweenCondition', |
|
|
|
|
'IN' => 'buildInCondition', |
|
|
|
|
'NOT IN' => 'buildInCondition', |
|
|
|
|
'LIKE' => 'buildLikeCondition', |
|
|
|
|
'NOT LIKE' => 'buildLikeCondition', |
|
|
|
|
'OR LIKE' => 'buildLikeCondition', |
|
|
|
|
'OR NOT LIKE' => 'buildLikeCondition', |
|
|
|
|
]; |
|
|
|
|
|
|
|
|
|
if (!is_array($condition)) { |
|
|
|
|
return (string)$condition; |
|
|
|
|
} elseif (empty($condition)) { |
|
|
|
|
return ''; |
|
|
|
|
} |
|
|
|
|
if (isset($condition[0])) { // operator format: operator, operand 1, operand 2, ... |
|
|
|
|
$operator = strtoupper($condition[0]); |
|
|
|
|
if (isset($builders[$operator])) { |
|
|
|
|
$method = $builders[$operator]; |
|
|
|
|
array_shift($condition); |
|
|
|
|
return $this->$method($operator, $condition, $params); |
|
|
|
|
} else { |
|
|
|
|
throw new Exception('Found unknown operator in query: ' . $operator); |
|
|
|
|
} |
|
|
|
|
} else { // hash format: 'column1' => 'value1', 'column2' => 'value2', ... |
|
|
|
|
return $this->buildHashCondition($condition, $params); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
* Creates a condition based on column-value pairs. |
|
|
|
|
* @param array $condition the condition specification. |
|
|
|
|
* @param array $params the binding parameters to be populated |
|
|
|
|
* @return string the generated SQL expression |
|
|
|
|
*/ |
|
|
|
|
public function buildHashCondition($condition, &$params) |
|
|
|
|
{ |
|
|
|
|
$parts = []; |
|
|
|
|
foreach ($condition as $column => $value) { |
|
|
|
|
if (is_array($value)) { // IN condition |
|
|
|
|
$parts[] = $this->buildInCondition('IN', [$column, $value], $params); |
|
|
|
|
} else { |
|
|
|
|
if (strpos($column, '(') === false) { |
|
|
|
|
$column = $this->db->quoteColumnName($column); |
|
|
|
|
} |
|
|
|
|
if ($value === null) { |
|
|
|
|
$parts[] = "$column IS NULL"; |
|
|
|
|
} elseif ($value instanceof Expression) { |
|
|
|
|
$parts[] = "$column=" . $value->expression; |
|
|
|
|
foreach ($value->params as $n => $v) { |
|
|
|
|
$params[$n] = $v; |
|
|
|
|
} |
|
|
|
|
} else { |
|
|
|
|
$phName = self::PARAM_PREFIX . count($params); |
|
|
|
|
$parts[] = "$column=$phName"; |
|
|
|
|
$params[$phName] = $value; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
return count($parts) === 1 ? $parts[0] : '(' . implode(') AND (', $parts) . ')'; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
* Connects two or more SQL expressions with the `AND` or `OR` operator. |
|
|
|
|
* @param string $operator the operator to use for connecting the given operands |
|
|
|
|
* @param array $operands the SQL expressions to connect. |
|
|
|
|
* @param array $params the binding parameters to be populated |
|
|
|
|
* @return string the generated SQL expression |
|
|
|
|
*/ |
|
|
|
|
public function buildAndCondition($operator, $operands, &$params) |
|
|
|
|
{ |
|
|
|
|
$parts = []; |
|
|
|
|
foreach ($operands as $operand) { |
|
|
|
|
if (is_array($operand)) { |
|
|
|
|
$operand = $this->buildCondition($operand, $params); |
|
|
|
|
} |
|
|
|
|
if ($operand !== '') { |
|
|
|
|
$parts[] = $operand; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
if (!empty($parts)) { |
|
|
|
|
return '(' . implode(") $operator (", $parts) . ')'; |
|
|
|
|
} else { |
|
|
|
|
return ''; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
* Creates an SQL expressions with the `BETWEEN` operator. |
|
|
|
|
* @param string $operator the operator to use (e.g. `BETWEEN` or `NOT BETWEEN`) |
|
|
|
|
* @param array $operands the first operand is the column name. The second and third operands |
|
|
|
|
* describe the interval that column value should be in. |
|
|
|
|
* @param array $params the binding parameters to be populated |
|
|
|
|
* @return string the generated SQL expression |
|
|
|
|
* @throws Exception if wrong number of operands have been given. |
|
|
|
|
*/ |
|
|
|
|
public function buildBetweenCondition($operator, $operands, &$params) |
|
|
|
|
{ |
|
|
|
|
if (!isset($operands[0], $operands[1], $operands[2])) { |
|
|
|
|
throw new Exception("Operator '$operator' requires three operands."); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
list($column, $value1, $value2) = $operands; |
|
|
|
|
|
|
|
|
|
if (strpos($column, '(') === false) { |
|
|
|
|
$column = $this->db->quoteColumnName($column); |
|
|
|
|
} |
|
|
|
|
$phName1 = self::PARAM_PREFIX . count($params); |
|
|
|
|
$params[$phName1] = $value1; |
|
|
|
|
$phName2 = self::PARAM_PREFIX . count($params); |
|
|
|
|
$params[$phName2] = $value2; |
|
|
|
|
|
|
|
|
|
return "$column $operator $phName1 AND $phName2"; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
* Creates an SQL expressions with the `IN` operator. |
|
|
|
|
* @param string $operator the operator to use (e.g. `IN` or `NOT IN`) |
|
|
|
|
* @param array $operands the first operand is the column name. If it is an array |
|
|
|
|
* a composite IN condition will be generated. |
|
|
|
|
* The second operand is an array of values that column value should be among. |
|
|
|
|
* If it is an empty array the generated expression will be a `false` value if |
|
|
|
|
* operator is `IN` and empty if operator is `NOT IN`. |
|
|
|
|
* @param array $params the binding parameters to be populated |
|
|
|
|
* @return string the generated SQL expression |
|
|
|
|
* @throws Exception if wrong number of operands have been given. |
|
|
|
|
*/ |
|
|
|
|
public function buildInCondition($operator, $operands, &$params) |
|
|
|
|
{ |
|
|
|
|
if (!isset($operands[0], $operands[1])) { |
|
|
|
|
throw new Exception("Operator '$operator' requires two operands."); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
list($column, $values) = $operands; |
|
|
|
|
|
|
|
|
|
$values = (array)$values; |
|
|
|
|
|
|
|
|
|
if (empty($values) || $column === []) { |
|
|
|
|
return $operator === 'IN' ? '0=1' : ''; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
if (count($column) > 1) { |
|
|
|
|
return $this->buildCompositeInCondition($operator, $column, $values, $params); |
|
|
|
|
} elseif (is_array($column)) { |
|
|
|
|
$column = reset($column); |
|
|
|
|
} |
|
|
|
|
foreach ($values as $i => $value) { |
|
|
|
|
if (is_array($value)) { |
|
|
|
|
$value = isset($value[$column]) ? $value[$column] : null; |
|
|
|
|
} |
|
|
|
|
if ($value === null) { |
|
|
|
|
$values[$i] = 'NULL'; |
|
|
|
|
} elseif ($value instanceof Expression) { |
|
|
|
|
$values[$i] = $value->expression; |
|
|
|
|
foreach ($value->params as $n => $v) { |
|
|
|
|
$params[$n] = $v; |
|
|
|
|
} |
|
|
|
|
} else { |
|
|
|
|
$phName = self::PARAM_PREFIX . count($params); |
|
|
|
|
$params[$phName] = $value; |
|
|
|
|
$values[$i] = $phName; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
if (strpos($column, '(') === false) { |
|
|
|
|
$column = $this->db->quoteColumnName($column); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
if (count($values) > 1) { |
|
|
|
|
return "$column $operator (" . implode(', ', $values) . ')'; |
|
|
|
|
} else { |
|
|
|
|
$operator = $operator === 'IN' ? '=' : '<>'; |
|
|
|
|
return "$column$operator{$values[0]}"; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
protected function buildCompositeInCondition($operator, $columns, $values, &$params) |
|
|
|
|
{ |
|
|
|
|
$vss = []; |
|
|
|
|
foreach ($values as $value) { |
|
|
|
|
$vs = []; |
|
|
|
|
foreach ($columns as $column) { |
|
|
|
|
if (isset($value[$column])) { |
|
|
|
|
$phName = self::PARAM_PREFIX . count($params); |
|
|
|
|
$params[$phName] = $value[$column]; |
|
|
|
|
$vs[] = $phName; |
|
|
|
|
} else { |
|
|
|
|
$vs[] = 'NULL'; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
$vss[] = '(' . implode(', ', $vs) . ')'; |
|
|
|
|
} |
|
|
|
|
foreach ($columns as $i => $column) { |
|
|
|
|
if (strpos($column, '(') === false) { |
|
|
|
|
$columns[$i] = $this->db->quoteColumnName($column); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
return '(' . implode(', ', $columns) . ") $operator (" . implode(', ', $vss) . ')'; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
* Creates an SQL expressions with the `LIKE` operator. |
|
|
|
|
* @param string $operator the operator to use (e.g. `LIKE`, `NOT LIKE`, `OR LIKE` or `OR NOT LIKE`) |
|
|
|
|
* @param array $operands the first operand is the column name. |
|
|
|
|
* The second operand is a single value or an array of values that column value |
|
|
|
|
* should be compared with. |
|
|
|
|
* If it is an empty array the generated expression will be a `false` value if |
|
|
|
|
* operator is `LIKE` or `OR LIKE` and empty if operator is `NOT LIKE` or `OR NOT LIKE`. |
|
|
|
|
* @param array $params the binding parameters to be populated |
|
|
|
|
* @return string the generated SQL expression |
|
|
|
|
* @throws Exception if wrong number of operands have been given. |
|
|
|
|
*/ |
|
|
|
|
public function buildLikeCondition($operator, $operands, &$params) |
|
|
|
|
{ |
|
|
|
|
if (!isset($operands[0], $operands[1])) { |
|
|
|
|
throw new Exception("Operator '$operator' requires two operands."); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
list($column, $values) = $operands; |
|
|
|
|
|
|
|
|
|
$values = (array)$values; |
|
|
|
|
|
|
|
|
|
if (empty($values)) { |
|
|
|
|
return $operator === 'LIKE' || $operator === 'OR LIKE' ? '0=1' : ''; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
if ($operator === 'LIKE' || $operator === 'NOT LIKE') { |
|
|
|
|
$andor = ' AND '; |
|
|
|
|
} else { |
|
|
|
|
$andor = ' OR '; |
|
|
|
|
$operator = $operator === 'OR LIKE' ? 'LIKE' : 'NOT LIKE'; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
if (strpos($column, '(') === false) { |
|
|
|
|
$column = $this->db->quoteColumnName($column); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
$parts = []; |
|
|
|
|
foreach ($values as $value) { |
|
|
|
|
$phName = self::PARAM_PREFIX . count($params); |
|
|
|
|
$params[$phName] = $value; |
|
|
|
|
$parts[] = "$column $operator $phName"; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
return implode($andor, $parts); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
* @param array $columns |
|
|
|
|
* @return string the ORDER BY clause built from [[query]]. |
|
|
|
|
*/ |
|
|
|
|
public function buildWithin($columns) |
|
|
|
|
{ |
|
|
|
|
if (empty($columns)) { |
|
|
|
|
return ''; |
|
|
|
|
} |
|
|
|
|
$orders = []; |
|
|
|
|
foreach ($columns as $name => $direction) { |
|
|
|
|
if (is_object($direction)) { |
|
|
|
|
$orders[] = (string)$direction; |
|
|
|
|
} else { |
|
|
|
|
$orders[] = $this->db->quoteColumnName($name) . ($direction === Query::SORT_DESC ? ' DESC' : ''); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
return 'WITHIN GROUP ORDER BY ' . implode(', ', $orders); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
* @param array $options |
|
|
|
|
* @return string the OPTION clause build from [[query]] |
|
|
|
|
*/ |
|
|
|
|
public function buildOption(array $options) |
|
|
|
|
{ |
|
|
|
|
if (empty($options)) { |
|
|
|
|
return ''; |
|
|
|
|
} |
|
|
|
|
$optionLines = []; |
|
|
|
|
foreach ($options as $name => $value) { |
|
|
|
|
$optionLines[] = $name . ' = ' . $value; |
|
|
|
|
} |
|
|
|
|
return 'OPTION ' . implode(', ', $optionLines); |
|
|
|
|
} |
|
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} |
Paul Klimov
11 years ago