SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier 02538_bf_ngrambf_map_values_test
   Function equals (children 1)
    ExpressionList (children 2)
     Function arrayElement (children 1)
      ExpressionList (children 2)
       Identifier map
       Literal \'\'
     Literal \'V2V\\0V2V2V2V2V2V2\'
   Function equals (children 1)
    ExpressionList (children 2)
     Function arrayElement (children 1)
      ExpressionList (children 2)
       Identifier map
       Literal NULL
     Literal \'V2V\\0V2V2V2V2V2V2V2V\\0V2V2V2V2V2V2V2V\\0V2V2V2V2V2V2V2V\\0V2V2V2V2V2V2\'
   Set
