SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 2) ExpressionList (children 1) Function plus (alias id) (children 1) ExpressionList (children 2) Function plus (children 1) ExpressionList (children 2) Function plus (children 1) ExpressionList (children 2) Function plus (children 1) ExpressionList (children 2) Identifier id Literal UInt64_1 Literal UInt64_1 Literal UInt64_1 Identifier id TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) TableIdentifier test_table