addColumn() public method Builds and executes a SQL statement

dropIndex() public method Builds and executes a SQL statement

delete() public method Creates and executes a DELETE SQL

createTable() public method Builds and executes a SQL

truncateTable() public method Builds and executes a SQL

dropCommentFromColumn() public method (available since version 2.0.8)

safeUp() public method This method contains the logic

addForeignKey() public method Builds a SQL statement for

up() public method This method contains the logic to be

dropColumn() public method Builds and executes a SQL statement