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| author | Varun Gupta <varun.gupta@mariadb.com> | 2020-04-26 15:42:57 +0530 |
|---|---|---|
| committer | Varun Gupta <varun.gupta@mariadb.com> | 2020-05-06 17:19:58 +0530 |
| commit | 4539d3ea77fc5fde63f515a97bc679afd7b614c7 (patch) | |
| tree | 4d3381ab3e1330af957b66541adccd388d8d0b73 /sql/table.h | |
| parent | 8ad3c6154b90314980faf1cdd4c317c9bbf5f84c (diff) | |
| download | mariadb-git-bb-10.5-mdev7317.tar.gz | |
MDEV-7317: Make an index ignorable to the optimizerbb-10.5-mdev7317
Diffstat (limited to 'sql/table.h')
| -rw-r--r-- | sql/table.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sql/table.h b/sql/table.h index d93f466077f..5e5bb2d43a8 100644 --- a/sql/table.h +++ b/sql/table.h @@ -684,6 +684,10 @@ struct TABLE_SHARE Excludes keys disabled by ALTER TABLE ... DISABLE KEYS. */ key_map keys_in_use; + + /* The set of ignored indexes for a table. */ + key_map ignored_indexes; + key_map keys_for_keyread; ha_rows min_rows, max_rows; /* create information */ ulong avg_row_length; /* create information */ @@ -1071,6 +1075,8 @@ struct TABLE_SHARE void free_frm_image(const uchar *frm); void set_overlapped_keys(); + void set_ignored_indexes(); + key_map usable_indexes(THD *thd); }; /* not NULL, but cannot be dereferenced */ |