CreateQuery dict_src_complex2_kv (children 3)
 Identifier dict_src_complex2_kv
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration k1 (children 1)
    DataType UInt64
   ColumnDeclaration k2 (children 1)
    DataType String
   ColumnDeclaration attr (children 1)
    DataType Int32
 Storage definition (children 1)
  Function Memory
