abstract public Schema::dropPrimaryKey($table) Drop

public Schema::fieldNames($fields) Return

public Schema::prepareComment($comment, $length = NULL)

abstract public Schema::fieldSetNoDefault($table, $field)

abstract public Schema::dropTable($table) Drop

abstract public Schema::addUniqueKey($table, $name, $fields)

Schema::prefixNonTable($table) Create names

public Schema::__clone() Implements the magic

protected Schema::getPrefixInfo($table = 'default', $add_prefix = TRUE)

abstract public Schema::addIndex($table, $name, $fields, array $spec)