SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 1) ExpressionList (children 1) Function date_trunc (children 1) ExpressionList (children 3) Literal \'day\' Function toDate (children 1) ExpressionList (children 2) Literal \'2020-01-01\' Literal \'Europe/London\' Literal \'America/Vancouver\'