New creates a new Builder structure initialized with the given parsed SQL statement.

NewScalar creates a new ScalarBuilder.

RegisterOpaque registers an opaque handler for a specific statement type.

Builder holds the context needed for building a memo structure from a SQL statement.

ScalarBuilder is a specialized variant of Builder that can be used to create a scalar from a TypedExpr.

BuildOpaqueFn is a handler for building the metadata for an opaque statement.