SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 2) ExpressionList (children 1) Function if (children 1) ExpressionList (children 3) Function equals (children 1) ExpressionList (children 2) Function modulo (children 1) ExpressionList (children 2) Identifier number Literal UInt64_5 Literal UInt64_0 Function toDecimal128OrZero (children 1) ExpressionList (children 2) Function toString (children 1) ExpressionList (children 1) Identifier number Literal UInt64_5 Literal NULL TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) Function numbers (children 1) ExpressionList (children 1) Literal UInt64_20