SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 5) ExpressionList (children 2) Identifier d Function count (children 1) ExpressionList TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) TableIdentifier with_fill_date ExpressionList (children 1) Identifier d ExpressionList (children 1) OrderByElement (children 2) Identifier d Function toIntervalHour (children 1) ExpressionList (children 1) Literal UInt64_1 Literal UInt64_5