addPrimaryKey() public method Builds and executes a SQL

dropPrimaryKey() public method Builds and executes a SQL

$db public property The DB connection object or the application

insert() public method Creates and executes an INSERT

update() public method Creates and executes an UPDATE

batchInsert() public method Creates and executes an batch

addCommentOnColumn() public method (available since version 2.0.8)

renameTable() public method Builds and executes a SQL

renameColumn() public method Builds and executes a SQL

safeDown() public method This method contains the logic