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@ -34,7 +34,7 @@ class QueryBuilder extends \yii\base\Object
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*/ |
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public $connection; |
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/** |
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* @var Driver the database driver |
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* @var Driver the database driver used for this query builder. |
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*/ |
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public $driver; |
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/** |
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@ -43,9 +43,10 @@ class QueryBuilder extends \yii\base\Object
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*/ |
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public $separator = " "; |
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/** |
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* @var Query the Query object. This is set when calling [[build()]] to generate a non-SELECT SQL statement. |
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* @var Query the Query object that is currently processed by the query builder to generate a SQL statement. |
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* After the SQL statement is generated by [[build()]], this property will be set null. |
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*/ |
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private $_query; |
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public $query; |
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/** |
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* Constructor. |
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@ -66,33 +67,43 @@ class QueryBuilder extends \yii\base\Object
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*/ |
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public function build($query) |
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{ |
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$this->query = $query; |
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if ($query->operation !== null) { |
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// non-SELECT query |
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$this->_query = $query; |
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$method = array_shift($query->operation); |
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$sql = call_user_func_array(array($this, $method), $query->operation); |
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$this->_query = null; |
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return $sql; |
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} else { |
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// SELECT query |
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$clauses = array( |
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$this->buildSelect($query), |
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$this->buildFrom($query), |
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$this->buildJoin($query), |
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$this->buildWhere($query), |
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$this->buildGroupBy($query), |
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$this->buildHaving($query), |
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$this->buildUnion($query), |
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$this->buildOrderBy($query), |
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$this->buildLimit($query), |
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$this->buildSelect(), |
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$this->buildFrom(), |
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$this->buildJoin(), |
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$this->buildWhere(), |
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$this->buildGroupBy(), |
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$this->buildHaving(), |
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$this->buildUnion(), |
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$this->buildOrderBy(), |
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$this->buildLimit(), |
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); |
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return implode($this->separator, array_filter($clauses)); |
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$sql = implode($this->separator, array_filter($clauses)); |
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} |
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$this->query = null; |
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return $sql; |
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} |
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/** |
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* Creates and executes an INSERT SQL statement. |
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* The method will properly escape the column names, and bind the values to be inserted. |
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* For example, |
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* |
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* ~~~ |
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* $params = array(); |
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* $sql = $queryBuilder->insert('tbl_user', array( |
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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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* @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 $params the parameters to be bound to the query. This method will modify |
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@ -117,8 +128,8 @@ class QueryBuilder extends \yii\base\Object
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$count++; |
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} |
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} |
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if ($this->_query instanceof Query) { |
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$this->_query->addParams($params); |
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if ($this->query instanceof Query) { |
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$this->query->addParams($params); |
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} |
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return 'INSERT INTO ' . $this->driver->quoteTableName($table) |
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@ -129,6 +140,15 @@ class QueryBuilder extends \yii\base\Object
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/** |
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* Creates and executes an UPDATE SQL statement. |
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* The method will properly escape the column names and bind the values to be updated. |
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* For example, |
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* |
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* ~~~ |
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* $params = array(); |
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* $sql = $queryBuilder->update('tbl_user', array( |
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* 'status' => 1, |
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* ), 'age > 30', $params); |
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* ~~~ |
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* |
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* @param string $table the table to be updated. |
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* @param array $columns the column data (name=>value) to be updated. |
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* @param mixed $condition the condition that will be put in the WHERE part. Please |
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@ -153,8 +173,8 @@ class QueryBuilder extends \yii\base\Object
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$count++; |
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} |
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} |
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if ($this->_query instanceof Query) { |
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$this->_query->addParams($params); |
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if ($this->query instanceof Query) { |
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$this->query->addParams($params); |
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} |
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$sql = 'UPDATE ' . $this->driver->quoteTableName($table) . ' SET ' . implode(', ', $lines); |
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if (($where = $this->buildCondition($condition)) != '') { |
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@ -166,6 +186,12 @@ class QueryBuilder extends \yii\base\Object
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/** |
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* Creates and executes 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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* @param string $table the table where the data will be deleted from. |
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* @param mixed $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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@ -191,6 +217,16 @@ class QueryBuilder extends \yii\base\Object
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* If a column is specified with definition only (e.g. 'PRIMARY KEY (name, type)'), it will be directly |
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* inserted into the generated SQL. |
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* |
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* For example, |
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* |
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* ~~~ |
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* $sql = $queryBuilder->createTable('tbl_user', array( |
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* 'id' => 'pk', |
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* 'name' => 'string', |
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* 'age' => 'integer', |
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* )); |
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* ~~~ |
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* |
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* @param string $table the name of the table to be created. The name will be properly quoted by the method. |
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* @param array $columns the columns (name=>definition) in the new table. |
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* @param string $options additional SQL fragment that will be appended to the generated SQL. |
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@ -201,7 +237,7 @@ class QueryBuilder extends \yii\base\Object
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$cols = array(); |
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foreach ($columns as $name => $type) { |
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if (is_string($name)) { |
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$cols[] = "\t" . $this->driver->quoteColumnName($name) . ' ' . $this->driver->getColumnType($type); |
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$cols[] = "\t" . $this->driver->quoteColumnName($name) . ' ' . $this->getColumnType($type); |
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} else |
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{ |
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$cols[] = "\t" . $type; |
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@ -213,13 +249,13 @@ class QueryBuilder extends \yii\base\Object
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/** |
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* Builds a SQL statement for renaming a DB table. |
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* @param string $table the table to be renamed. The name will be properly quoted by the method. |
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* @param string $oldName the table to be renamed. The name will be properly quoted by the method. |
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* @param string $newName the new table name. The name will be properly quoted by the method. |
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* @return string the SQL statement for renaming a DB table. |
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*/ |
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public function renameTable($table, $newName) |
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public function renameTable($oldName, $newName) |
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{ |
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return 'RENAME TABLE ' . $this->driver->quoteTableName($table) . ' TO ' . $this->driver->quoteTableName($newName); |
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return 'RENAME TABLE ' . $this->driver->quoteTableName($oldName) . ' TO ' . $this->driver->quoteTableName($newName); |
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} |
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/** |
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@ -288,9 +324,10 @@ class QueryBuilder extends \yii\base\Object
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* Builds a SQL statement for changing the definition of a column. |
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* @param string $table the table whose column is to be changed. The table name will be properly quoted by the method. |
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* @param string $column the name of the column to be changed. The name will be properly quoted by the method. |
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* @param string $type the new column type. The [[getColumnType]] method will be invoked to convert abstract column type (if any) |
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* into the physical one. Anything that is not recognized as abstract type will be kept in the generated SQL. |
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* For example, 'string' will be turned into 'varchar(255)', while 'string not null' will become 'varchar(255) not null'. |
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* @param string $type the new column type. The [[getColumnType()]] method will be invoked to convert abstract |
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* column type (if any) into the physical one. Anything that is not recognized as abstract type will be kept |
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* in the generated SQL. For example, 'string' will be turned into 'varchar(255)', while 'string not null' |
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* will become 'varchar(255) not null'. |
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* @return string the SQL statement for changing the definition of a column. |
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*/ |
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public function alterColumn($table, $column, $type) |
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@ -306,20 +343,26 @@ class QueryBuilder extends \yii\base\Object
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* The method will properly quote the table and column names. |
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* @param string $name the name of the foreign key constraint. |
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* @param string $table the table that the foreign key constraint will be added to. |
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* @param string $columns the name of the column to that the constraint will be added on. If there are multiple columns, separate them with commas. |
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* @param string|array $columns the name of the column to that the constraint will be added on. |
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* If there are multiple columns, separate them with commas or use an array to represent them. |
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* @param string $refTable the table that the foreign key references to. |
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* @param string $refColumns the name of the column that the foreign key references to. If there are multiple columns, separate them with commas. |
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* @param string|array $refColumns the name of the column that the foreign key references to. |
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* If there are multiple columns, separate them with commas or use an array to represent them. |
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* @param string $delete the ON DELETE option. Most DBMS support these options: RESTRICT, CASCADE, NO ACTION, SET DEFAULT, SET NULL |
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* @param string $update the ON UPDATE option. Most DBMS support these options: RESTRICT, CASCADE, NO ACTION, SET DEFAULT, SET NULL |
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* @return string the SQL statement for adding a foreign key constraint to an existing table. |
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*/ |
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public function addForeignKey($name, $table, $columns, $refTable, $refColumns, $delete = null, $update = null) |
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{ |
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$columns = preg_split('/\s*,\s*/', $columns, -1, PREG_SPLIT_NO_EMPTY); |
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if (!is_array($columns)) { |
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$columns = preg_split('/\s*,\s*/', $columns, -1, PREG_SPLIT_NO_EMPTY); |
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} |
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foreach ($columns as $i => $col) { |
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$columns[$i] = $this->driver->quoteColumnName($col); |
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} |
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$refColumns = preg_split('/\s*,\s*/', $refColumns, -1, PREG_SPLIT_NO_EMPTY); |
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if (!is_array($refColumns)) { |
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$refColumns = preg_split('/\s*,\s*/', $refColumns, -1, PREG_SPLIT_NO_EMPTY); |
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} |
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foreach ($refColumns as $i => $col) { |
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$refColumns[$i] = $this->driver->quoteColumnName($col); |
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} |
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@ -353,27 +396,27 @@ class QueryBuilder extends \yii\base\Object
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* Builds a SQL statement for creating a new index. |
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* @param string $name the name of the index. The name will be properly quoted by the method. |
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* @param string $table the table that the new index will be created for. The table name will be properly quoted by the method. |
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* @param string $column the column(s) that should be included in the index. If there are multiple columns, please separate them |
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* by commas. Each column name will be properly quoted by the method, unless a parenthesis is found in the name. |
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* @param string|array $columns the column(s) that should be included in the index. If there are multiple columns, |
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* separate them with commas or use an array to represent them. Each column name will be properly quoted |
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* by the method, unless a parenthesis is found in the name. |
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* @param boolean $unique whether to add UNIQUE constraint on the created index. |
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* @return string the SQL statement for creating a new index. |
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*/ |
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public function createIndex($name, $table, $column, $unique = false) |
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public function createIndex($name, $table, $columns, $unique = false) |
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{ |
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$cols = array(); |
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$columns = preg_split('/\s*,\s*/', $column, -1, PREG_SPLIT_NO_EMPTY); |
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foreach ($columns as $col) |
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{ |
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if (strpos($col, '(') !== false) { |
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$cols[] = $col; |
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} else |
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{ |
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$cols[] = $this->driver->quoteColumnName($col); |
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if (!is_array($columns)) { |
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$columns = preg_split('/\s*,\s*/', $columns, -1, PREG_SPLIT_NO_EMPTY); |
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} |
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foreach ($columns as $i => $column) { |
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if (strpos($column, '(') !== false) { |
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$columns[$i] = $column; |
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} else { |
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$columns[$i] = $this->driver->quoteColumnName($column); |
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} |
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} |
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return ($unique ? 'CREATE UNIQUE INDEX ' : 'CREATE INDEX ') |
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. $this->driver->quoteTableName($name) . ' ON ' |
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. $this->driver->quoteTableName($table) . ' (' . implode(', ', $cols) . ')'; |
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. $this->driver->quoteTableName($table) . ' (' . implode(', ', $columns) . ')'; |
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} |
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/** |
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@ -391,7 +434,7 @@ class QueryBuilder extends \yii\base\Object
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* Resets the sequence value of a table's primary key. |
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* The sequence will be reset such that the primary key of the next new row inserted |
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* will have the specified value or 1. |
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* @param CDbTableSchema $table the table schema whose primary key sequence will be reset |
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* @param string $table the table schema whose primary key sequence will be reset |
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* @param mixed $value the value for the primary key of the next new row inserted. If this is not set, |
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* the next new row's primary key will have a value 1. |
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*/ |
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@ -411,26 +454,30 @@ class QueryBuilder extends \yii\base\Object
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/** |
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* Converts an abstract column type into a physical column type. |
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* The conversion is done using the type map specified in [[typeMap]]. |
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* These abstract column types are supported (using MySQL as example to explain the corresponding |
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* The following abstract column types are supported (using MySQL as an example to explain the corresponding |
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* physical types): |
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* <ul> |
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* <li>pk: an auto-incremental primary key type, will be converted into "int(11) NOT NULL AUTO_INCREMENT PRIMARY KEY"</li> |
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* <li>string: string type, will be converted into "varchar(255)"</li> |
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* <li>text: a long string type, will be converted into "text"</li> |
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* <li>integer: integer type, will be converted into "int(11)"</li> |
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* <li>boolean: boolean type, will be converted into "tinyint(1)"</li> |
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* <li>float: float number type, will be converted into "float"</li> |
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* <li>decimal: decimal number type, will be converted into "decimal"</li> |
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* <li>datetime: datetime type, will be converted into "datetime"</li> |
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* <li>timestamp: timestamp type, will be converted into "timestamp"</li> |
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* <li>time: time type, will be converted into "time"</li> |
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* <li>date: date type, will be converted into "date"</li> |
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* <li>binary: binary data type, will be converted into "blob"</li> |
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* </ul> |
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* |
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* - `pk`: an auto-incremental primary key type, will be converted into "int(11) NOT NULL AUTO_INCREMENT PRIMARY KEY" |
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* - `string`: string type, will be converted into "varchar(255)" |
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* - `text`: a long string type, will be converted into "text" |
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* - `smallint`: a small integer type, will be converted into "smallint(6)" |
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* - `integer`: integer type, will be converted into "int(11)" |
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* - `bigint`: a big integer type, will be converted into "bigint(20)" |
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* - `boolean`: boolean type, will be converted into "tinyint(1)" |
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* - `float``: float number type, will be converted into "float" |
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* - `decimal`: decimal number type, will be converted into "decimal" |
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* - `datetime`: datetime type, will be converted into "datetime" |
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* - `timestamp`: timestamp type, will be converted into "timestamp" |
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* - `time`: time type, will be converted into "time" |
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|
|
* - `date`: date type, will be converted into "date" |
|
|
|
|
* - `money`: money type, will be converted into "decimal(19,4)" |
|
|
|
|
* - `binary`: binary data type, will be converted into "blob" |
|
|
|
|
* |
|
|
|
|
* If the abstract type contains two or more parts separated by spaces (e.g. "string NOT NULL"), then only |
|
|
|
|
* the first part will be converted, and the rest of the parts will be appended to the conversion result. |
|
|
|
|
* the first part will be converted, and the rest of the parts will be appended to the converted result. |
|
|
|
|
* For example, 'string NOT NULL' is converted to 'varchar(255) NOT NULL'. |
|
|
|
|
* |
|
|
|
|
* If a type cannot be found in [[typeMap]], it will be returned without any change. |
|
|
|
|
* @param string $type abstract column type |
|
|
|
|
* @return string physical column type. |
|
|
|
|
*/ |
|
|
|
@ -438,22 +485,109 @@ class QueryBuilder extends \yii\base\Object
|
|
|
|
|
{ |
|
|
|
|
if (isset($this->typeMap[$type])) { |
|
|
|
|
return $this->typeMap[$type]; |
|
|
|
|
} elseif (($pos = strpos($type, ' ')) !== false) { |
|
|
|
|
$t = substr($type, 0, $pos); |
|
|
|
|
return (isset($this->typeMap[$t]) ? $this->typeMap[$t] : $t) . substr($type, $pos); |
|
|
|
|
} else { |
|
|
|
|
return $type; |
|
|
|
|
} elseif (preg_match('/^(\w+)\s+/', $type, $matches)) { |
|
|
|
|
if (isset($this->typeMap[$matches[0]])) { |
|
|
|
|
return preg_replace('/^\w+/', $this->typeMap[$matches[0]], $type); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
return $type; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
* Generates a SQL condition from the given PHP representation. |
|
|
|
|
* @param string|array $condition the PHP representation of the SQL condition |
|
|
|
|
* @return string the generated SQL condition. |
|
|
|
|
*/ |
|
|
|
|
public function buildCondition($condition) |
|
|
|
|
{ |
|
|
|
|
if (!is_array($condition)) { |
|
|
|
|
return $condition; |
|
|
|
|
} elseif ($condition === array()) { |
|
|
|
|
return ''; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
$n = count($condition); |
|
|
|
|
$operator = strtoupper($condition[0]); |
|
|
|
|
if ($operator === 'OR' || $operator === 'AND') { |
|
|
|
|
$parts = array(); |
|
|
|
|
for ($i = 1; $i < $n; ++$i) { |
|
|
|
|
$part = $this->buildCondition($condition[$i]); |
|
|
|
|
if ($part !== '') { |
|
|
|
|
$parts[] = '(' . $part . ')'; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
return $parts === array() ? '' : implode(' ' . $operator . ' ', $parts); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
if (!isset($condition[1], $condition[2])) { |
|
|
|
|
throw new Exception("Operator $operator requires at least two operands."); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
$column = $condition[1]; |
|
|
|
|
if (strpos($column, '(') === false) { |
|
|
|
|
$column = $this->connection->quoteColumnName($column); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
if ($operator === 'BETWEEN' || $operator === 'NOT BETWEEN') { |
|
|
|
|
if (!isset($condition[3])) { |
|
|
|
|
throw new Exception("Operator $operator requires three operands."); |
|
|
|
|
} |
|
|
|
|
$value1 = is_string($condition[2]) ? $this->connection->quoteValue($condition[2]) : (string)$condition[2]; |
|
|
|
|
$value2 = is_string($condition[3]) ? $this->connection->quoteValue($condition[3]) : (string)$condition[3]; |
|
|
|
|
return "$column $operator $value1 AND $value2"; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
$values = $condition[2]; |
|
|
|
|
if (!is_array($values)) { |
|
|
|
|
$values = array($values); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
if ($operator === 'IN' || $operator === 'NOT IN') { |
|
|
|
|
if ($values === array()) { |
|
|
|
|
return $operator === 'IN' ? '0=1' : ''; |
|
|
|
|
} |
|
|
|
|
foreach ($values as $i => $value) { |
|
|
|
|
if (is_string($value)) { |
|
|
|
|
$values[$i] = $this->connection->quoteValue($value); |
|
|
|
|
} else { |
|
|
|
|
$values[$i] = (string)$value; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
return $column . ' ' . $operator . ' (' . implode(', ', $values) . ')'; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
if ($operator === 'LIKE' || $operator === 'NOT LIKE' || $operator === 'OR LIKE' || $operator === 'OR NOT LIKE') { |
|
|
|
|
if ($values === array()) { |
|
|
|
|
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'; |
|
|
|
|
} |
|
|
|
|
$expressions = array(); |
|
|
|
|
foreach ($values as $value) { |
|
|
|
|
$expressions[] = $column . ' ' . $operator . ' ' . $this->connection->quoteValue($value); |
|
|
|
|
} |
|
|
|
|
return implode($andor, $expressions); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
throw new Exception('Unknown operator: ' . $operator); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
protected function buildSelect($query) |
|
|
|
|
/** |
|
|
|
|
* @return string the SELECT clause built from [[query]]. |
|
|
|
|
*/ |
|
|
|
|
protected function buildSelect() |
|
|
|
|
{ |
|
|
|
|
$select = $query->distinct ? 'SELECT DISTINCT' : 'SELECT'; |
|
|
|
|
if ($query->selectOption != '') { |
|
|
|
|
$select .= ' ' . $query->selectOption; |
|
|
|
|
$select = $this->query->distinct ? 'SELECT DISTINCT' : 'SELECT'; |
|
|
|
|
if ($this->query->selectOption != '') { |
|
|
|
|
$select .= ' ' . $this->query->selectOption; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
$columns = $query->select; |
|
|
|
|
$columns = $this->query->select; |
|
|
|
|
if (empty($columns)) { |
|
|
|
|
return $select . ' *'; |
|
|
|
|
} |
|
|
|
@ -480,13 +614,16 @@ class QueryBuilder extends \yii\base\Object
|
|
|
|
|
return $select . ' ' . implode(', ', $columns); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
protected function buildFrom($query) |
|
|
|
|
/** |
|
|
|
|
* @return string the FROM clause built from [[query]]. |
|
|
|
|
*/ |
|
|
|
|
protected function buildFrom() |
|
|
|
|
{ |
|
|
|
|
if (empty($query->from)) { |
|
|
|
|
if (empty($this->query->from)) { |
|
|
|
|
return ''; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
$tables = $query->from; |
|
|
|
|
$tables = $this->query->from; |
|
|
|
|
if (is_string($tables) && strpos($tables, '(') !== false) { |
|
|
|
|
return 'FROM ' . $tables; |
|
|
|
|
} |
|
|
|
@ -507,9 +644,12 @@ class QueryBuilder extends \yii\base\Object
|
|
|
|
|
return 'FROM ' . implode(', ', $tables); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
protected function buildJoin($query) |
|
|
|
|
/** |
|
|
|
|
* @return string the JOIN clause built from [[query]]. |
|
|
|
|
*/ |
|
|
|
|
protected function buildJoin() |
|
|
|
|
{ |
|
|
|
|
$joins = $query->join; |
|
|
|
|
$joins = $this->query->join; |
|
|
|
|
if (empty($joins)) { |
|
|
|
|
return ''; |
|
|
|
|
} |
|
|
|
@ -533,7 +673,7 @@ class QueryBuilder extends \yii\base\Object
|
|
|
|
|
$joins[$i] .= ' ON ' . $this->buildCondition($join[2]); |
|
|
|
|
} |
|
|
|
|
} else { |
|
|
|
|
throw new Exception('The join clause may be specified as an array of at least two elements.'); |
|
|
|
|
throw new Exception('A join clause must be specified as an array of at least two elements.'); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
@ -541,15 +681,21 @@ class QueryBuilder extends \yii\base\Object
|
|
|
|
|
return implode("\n", $joins); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
protected function buildWhere($query) |
|
|
|
|
/** |
|
|
|
|
* @return string the WHERE clause built from [[query]]. |
|
|
|
|
*/ |
|
|
|
|
protected function buildWhere() |
|
|
|
|
{ |
|
|
|
|
$where = $this->buildCondition($query->where); |
|
|
|
|
$where = $this->buildCondition($this->query->where); |
|
|
|
|
return empty($where) ? '' : 'WHERE ' . $where; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
protected function buildGroupBy($query) |
|
|
|
|
/** |
|
|
|
|
* @return string the GROUP BY clause built from [[query]]. |
|
|
|
|
*/ |
|
|
|
|
protected function buildGroupBy() |
|
|
|
|
{ |
|
|
|
|
$columns = $query->groupBy; |
|
|
|
|
$columns = $this->query->groupBy; |
|
|
|
|
if (empty($columns)) { |
|
|
|
|
return ''; |
|
|
|
|
} |
|
|
|
@ -570,15 +716,21 @@ class QueryBuilder extends \yii\base\Object
|
|
|
|
|
return 'GROUP BY ' . implode(', ', $columns); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
protected function buildHaving($query) |
|
|
|
|
/** |
|
|
|
|
* @return string the HAVING clause built from [[query]]. |
|
|
|
|
*/ |
|
|
|
|
protected function buildHaving() |
|
|
|
|
{ |
|
|
|
|
$having = $this->buildCondition($query->having); |
|
|
|
|
$having = $this->buildCondition($this->query->having); |
|
|
|
|
return empty($having) ? '' : 'HAVING ' . $having; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
protected function buildOrderBy($query) |
|
|
|
|
/** |
|
|
|
|
* @return string the ORDER BY clause built from [[query]]. |
|
|
|
|
*/ |
|
|
|
|
protected function buildOrderBy() |
|
|
|
|
{ |
|
|
|
|
$columns = $query->orderBy; |
|
|
|
|
$columns = $this->query->orderBy; |
|
|
|
|
if (empty($columns)) { |
|
|
|
|
return ''; |
|
|
|
|
} |
|
|
|
@ -603,21 +755,27 @@ class QueryBuilder extends \yii\base\Object
|
|
|
|
|
return 'ORDER BY ' . implode(', ', $columns); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
protected function buildLimit($query) |
|
|
|
|
/** |
|
|
|
|
* @return string the LIMIT and OFFSET clauses built from [[query]]. |
|
|
|
|
*/ |
|
|
|
|
protected function buildLimit() |
|
|
|
|
{ |
|
|
|
|
$sql = ''; |
|
|
|
|
if ($query->limit !== null && $query->limit >= 0) { |
|
|
|
|
$sql = 'LIMIT ' . (int)$query->limit; |
|
|
|
|
if ($this->query->limit !== null && $this->query->limit >= 0) { |
|
|
|
|
$sql = 'LIMIT ' . (int)$this->query->limit; |
|
|
|
|
} |
|
|
|
|
if ($query->offset > 0) { |
|
|
|
|
$sql .= ' OFFSET ' . (int)$query->offset; |
|
|
|
|
if ($this->query->offset > 0) { |
|
|
|
|
$sql .= ' OFFSET ' . (int)$this->query->offset; |
|
|
|
|
} |
|
|
|
|
return ltrim($sql); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
protected function buildUnion($query) |
|
|
|
|
/** |
|
|
|
|
* @return string the UNION clause built from [[query]]. |
|
|
|
|
*/ |
|
|
|
|
protected function buildUnion() |
|
|
|
|
{ |
|
|
|
|
$unions = $query->union; |
|
|
|
|
$unions = $this->query->union; |
|
|
|
|
if (empty($unions)) { |
|
|
|
|
return ''; |
|
|
|
|
} |
|
|
|
@ -631,83 +789,4 @@ class QueryBuilder extends \yii\base\Object
|
|
|
|
|
} |
|
|
|
|
return "UNION (\n" . implode("\n) UNION (\n", $unions) . "\n)"; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
protected function buildCondition($condition) |
|
|
|
|
{ |
|
|
|
|
if (!is_array($condition)) { |
|
|
|
|
return $condition; |
|
|
|
|
} elseif ($condition === array()) { |
|
|
|
|
return ''; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
$n = count($condition); |
|
|
|
|
$operator = strtoupper($condition[0]); |
|
|
|
|
if ($operator === 'OR' || $operator === 'AND') { |
|
|
|
|
$parts = array(); |
|
|
|
|
for ($i = 1; $i < $n; ++$i) { |
|
|
|
|
$part = $this->buildCondition($condition[$i]); |
|
|
|
|
if ($part !== '') { |
|
|
|
|
$parts[] = '(' . $part . ')'; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
return $parts === array() ? '' : implode(' ' . $operator . ' ', $parts); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
if (!isset($condition[1], $condition[2])) { |
|
|
|
|
throw new Exception("Operator $operator requires at least two operands."); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
$column = $condition[1]; |
|
|
|
|
if (strpos($column, '(') === false) { |
|
|
|
|
$column = $this->connection->quoteColumnName($column); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
if ($operator === 'BETWEEN' || $operator === 'NOT BETWEEN') { |
|
|
|
|
if (!isset($condition[3])) { |
|
|
|
|
throw new Exception("Operator $operator requires three operands."); |
|
|
|
|
} |
|
|
|
|
$value1 = is_string($condition[2]) ? $this->connection->quoteValue($condition[2]) : (string)$condition[2]; |
|
|
|
|
$value2 = is_string($condition[3]) ? $this->connection->quoteValue($condition[3]) : (string)$condition[3]; |
|
|
|
|
return "$column $operator $value1 AND $value2"; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
$values = $condition[2]; |
|
|
|
|
if (!is_array($values)) { |
|
|
|
|
$values = array($values); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
if ($operator === 'IN' || $operator === 'NOT IN') { |
|
|
|
|
if ($values === array()) { |
|
|
|
|
return $operator === 'IN' ? '0=1' : ''; |
|
|
|
|
} |
|
|
|
|
foreach ($values as $i => $value) { |
|
|
|
|
if (is_string($value)) { |
|
|
|
|
$values[$i] = $this->connection->quoteValue($value); |
|
|
|
|
} else { |
|
|
|
|
$values[$i] = (string)$value; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
return $column . ' ' . $operator . ' (' . implode(', ', $values) . ')'; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
if ($operator === 'LIKE' || $operator === 'NOT LIKE' || $operator === 'OR LIKE' || $operator === 'OR NOT LIKE') { |
|
|
|
|
if ($values === array()) { |
|
|
|
|
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'; |
|
|
|
|
} |
|
|
|
|
$expressions = array(); |
|
|
|
|
foreach ($values as $value) { |
|
|
|
|
$expressions[] = $column . ' ' . $operator . ' ' . $this->connection->quoteValue($value); |
|
|
|
|
} |
|
|
|
|
return implode($andor, $expressions); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
throw new Exception('Unknown operator: ' . $operator); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|