message: Improved integer frozen column applicability check
diff: @@ -736,7 +736,9 @@ struct IntegerFrozenColumnFormat: public FrozenColumnFormat {
  const ColumnFreezeParameters & params,
  std::shared_ptr<void> & cachedInfo) const override
  {
  - return true;
  + return column.columnTypes.onlyIntegersAndNulls()
  + && column.columnTypes.maxPositiveInteger
  + <= (uint64_t)std::numeric_limits<int64_t>::max();
  }
  virtual ssize_t columnSize(const TabularDatasetColumn & column,
  