SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 4) ExpressionList (children 1) Function count (children 1) ExpressionList TablesInSelectQuery (children 2) TablesInSelectQueryElement (children 1) TableExpression (children 1) TableIdentifier mt TablesInSelectQueryElement (children 2) TableExpression (children 1) Subquery (alias js2) (children 1) SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 1) ExpressionList (children 1) Literal UInt64_1 (alias x) TableJoin (children 1) ExpressionList (children 1) Identifier x Function in (children 1) ExpressionList (children 2) Identifier x Literal UInt64_1 Function equals (children 1) ExpressionList (children 2) Identifier y Function today (children 1) ExpressionList