renameColumn() public method Builds and executes a SQL

update() public method Creates and executes an UPDATE

$db public property The DB connection object or the application

dropPrimaryKey() public method Builds and executes a SQL

addPrimaryKey() public method Builds and executes a SQL

renameTable() public method Builds and executes a SQL

addCommentOnColumn() public method (available since version 2.0.8)

insert() public method Creates and executes an INSERT

batchInsert() public method Creates and executes an batch

safeDown() public method This method contains the logic