SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 1) ExpressionList (children 1) Function toString (children 1) ExpressionList (children 2) Function toStartOfInterval (children 1) ExpressionList (children 3) Function toDateTime (children 1) ExpressionList (children 1) Literal UInt64_1549483055 Function toIntervalSecond (children 1) ExpressionList (children 1) Literal UInt64_2 Literal \'Asia/Istanbul\' Literal \'Asia/Istanbul\'