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Diffstat (limited to '')
| -rw-r--r-- | sql/filesort.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sql/filesort.h b/sql/filesort.h index ebb521e2..8c7931e7 100644 --- a/sql/filesort.h +++ b/sql/filesort.h @@ -56,8 +56,11 @@ public: bool using_pq; /* TRUE means sort operation must produce table rowids. - FALSE means that it halso has an option of producing {sort_key, - addon_fields} pairs. + FALSE means that it also has an option of producing {sort_key, addon_fields} + pairs. + + Usually initialized with value of join_tab->keep_current_rowid to allow for + a call to table->file->position() using these table rowids. */ bool sort_positions; /* |