builders

type Builder interface {
	Create(c core.Context, name string, blueprint func(table *blueprint.Blueprint)) error
	Table(c core.Context, name string, blueprint func(table *blueprint.Blueprint)) error
	Drop(c core.Context, name string) error
	DropIfExists(c core.Context, name string) error
	Rename(c core.Context, from, to string) error
	HasTable(c core.Context, name string) (bool, error)
	HasColumn(c core.Context, table, column string) (bool, error)
	HasColumns(c core.Context, table string, columns []string) (bool, error)
	HasIndex(c core.Context, table string, columns []string) (bool, error)
	GetColumns(c core.Context, table string) ([]*core.Column, error)
	GetIndexes(c core.Context, table string) ([]*core.Index, error)
	GetTables(c core.Context) ([]*core.TableInfo, error)
}