CreateQuery test_01532_4 (children 3)
 Identifier test_01532_4
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration a (children 1)
    DataType Tuple (children 1)
     ExpressionList (children 2)
      DataType UInt8
      DataType Tuple (children 1)
       ExpressionList (children 2)
        NameTypePair key (children 1)
         DataType String
        NameTypePair value (children 1)
         DataType String
 Storage definition (children 1)
  Function Memory (children 1)
   ExpressionList
