CreateQuery kv_overwrite (children 3) Identifier kv_overwrite Columns definition (children 1) ExpressionList (children 2) ColumnDeclaration k (children 1) DataType UInt32 ColumnDeclaration v (children 1) DataType UInt32 Storage definition (children 2) Function Join (children 1) ExpressionList (children 3) Identifier Any Identifier Left Identifier k Set