SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 2) ExpressionList (children 1) Function sumIf (children 1) ExpressionList (children 2) Identifier dummy Identifier dummy TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) Function remote (children 1) ExpressionList (children 2) Literal \'127.0.0.{1,2}\' Function view (children 1) ExpressionList (children 1) SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 2) ExpressionList (children 1) Function CAST (alias dummy) (children 1) ExpressionList (children 2) Identifier dummy Literal \'Nullable(UInt8)\' TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) TableIdentifier system.one