SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 1) ExpressionList (children 1) Function toUnixTimestamp (children 1) ExpressionList (children 2) Function toString (children 1) ExpressionList (children 2) Function toDateTime (children 1) ExpressionList (children 1) Literal UInt64_1426415400 Literal \'Asia/Istanbul\' Literal \'Europe/Paris\'