renameColumn() public method Builds and executes a SQL

update() public method Creates and executes an UPDATE

batchInsert() public method Creates and executes an batch

$db public property The DB connection object or the application

dropPrimaryKey() public method Builds and executes a SQL

addCommentOnColumn() public method (available since version 2.0.8)

addPrimaryKey() public method Builds and executes a SQL

renameTable() public method Builds and executes a SQL

insert() public method Creates and executes an INSERT

safeDown() public method This method contains the logic