addColumn() public method Builds a SQL statement for adding a new DB column. public string addColumn ( $table, $column, $type )$table string The table that the new column will be added to. The table name will be properly quoted by the method. $column string The name of the new column. The name will be properly quoted by the method. $type string The column type. The getColumnType() method will be invoked to convert abstract column type (if any) into the physical one. Anything that is

alterColumn() public method Builds a SQL statement for changing the definition of a column. public string alterColumn ( $table, $column, $type )$table string The table whose column is to be changed. The table name will be properly quoted by the method. $column string The name of the column to be changed. The name will be properly quoted by the method. $type string The new column type. The getColumnType() method will be invoked to convert abstract column type (if any) into the physica

loadColumnSchema() protected method Loads the column information into a yii\db\ColumnSchema object. protected yii\db\ColumnSchema loadColumnSchema ( $info )$info array Column information return yii\db\ColumnSchema The column schema object

createIndex() public method Builds a SQL statement for creating a new index. See also http://www.postgresql.org/docs/8.2/static/sql-createindex.html. public string createIndex ( $name, $table, $columns, $unique = false )$name string The name of the index. The name will be properly quoted by the method. $table string The table that the new index will be created for. The table name will be properly quoted by the method. $columns string|array The column(s) that should be included in t

params() public method Sets the parameters to be bound to the query. See also addParams(). public $this params ( $params )$params array List of query parameter values indexed by parameter placeholders. For example, [':name' => 'Dan', ':age' => 31]. return $this The query object itself

sendRequest() protected method Sends request to the server protected array|string sendRequest ( $url, $method = 'GET', $params = [] )$url string Request URL. $method string Request method. $params array Request parameters. return array|string Response. throws yii\base\Exception on failure.

getColumn() public method Gets the named column metadata. This is a convenient method for retrieving a named column even if it does not exist. public yii\db\ColumnSchema getColumn ( $name )$name string Column name return yii\db\ColumnSchema Metadata of the named column. Null if the named column does not exist.

$type public property The types to execute the query on. Defaults to null meaning all types public string|array $type = null

addFile() public method Adds a file content to the upload. This method can invoked several times before complete() is called. public $this addFile ( $filename )$filename string Source file name. return $this Self reference.

loadTableSchema() public method Loads the metadata for the specified table. public yii\db\TableSchema|null loadTableSchema ( $name )$name string Table name return yii\db\TableSchema|null Driver dependent table metadata. Null if the table does not exist.