pub fn compile_projection_aggregate_slots(
context: &dyn AggregateClassifier,
expr: &ScalarExpr,
relation: InternalRelationId,
cursor: &mut usize,
) -> Result<ScalarExpr, SQLError>pub fn compile_projection_aggregate_slots(
context: &dyn AggregateClassifier,
expr: &ScalarExpr,
relation: InternalRelationId,
cursor: &mut usize,
) -> Result<ScalarExpr, SQLError>