Method scratch_row

be/src/exec/hash-table.h:190–190

  uint32_t ALWAYS_INLINE seed(int level) { return seeds_.at(level); }

  TupleRow* ALWAYS_INLINE scratch_row() const { return scratch_row_; }

  /// Returns the results of the expression at 'expr_idx' evaluated at the current row.
  /// This value is invalid if the expr evaluated to NULL.