checkIntegrity() public method Builds a SQL statement

buildCommentString() protected method Builds the comment

down() public method This method contains the logic to

getDb() protected method (available since version 2.0.6)

loadColumnSchema() protected method Loads the column information

one() public method Executes query and returns a single

groupBy() public method Sets the GROUP BY part of the

execute() public method Executes a SQL statement.

extractColumnType() protected method Extracts the data

getTableSchema() public method Obtains the metadata for