SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Literal \'Ok.\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.warnings
   Function and (children 1)
    ExpressionList (children 2)
     Function ilike (children 1)
      ExpressionList (children 2)
       Identifier message
       Literal \'%Ordinary%\'
     Function ilike (children 1)
      ExpressionList (children 2)
       Identifier message
       Literal \'%deprecated%\'
