SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 1) ExpressionList (children 1) Function addMonths (children 1) ExpressionList (children 3) Function toDateTime (children 1) ExpressionList (children 2) Literal \'2017-11-05 08:07:47\' Literal \'Asia/Istanbul\' Literal UInt64_1 Literal \'Asia/Kolkata\'