SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 4) ExpressionList (children 3) Identifier timeslot Function tupleElement (children 1) ExpressionList (children 2) Function sumMap (children 1) ExpressionList (children 2) Identifier statusMap.status Identifier statusMap.requests Literal UInt64_1 Function tupleElement (children 1) ExpressionList (children 2) Function sumMap (children 1) ExpressionList (children 2) Identifier statusMap.status Identifier statusMap.requests Literal UInt64_2 TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) TableIdentifier sum_map ExpressionList (children 1) Identifier timeslot ExpressionList (children 1) OrderByElement (children 1) Identifier timeslot