diff options
Diffstat (limited to 'sql/opt_range.cc')
| -rw-r--r-- | sql/opt_range.cc | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/sql/opt_range.cc b/sql/opt_range.cc index f062e0d2a0d..8df3e82cb63 100644 --- a/sql/opt_range.cc +++ b/sql/opt_range.cc @@ -2,8 +2,7 @@ This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. + the Free Software Foundation; version 2 of the License. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -875,7 +874,11 @@ QUICK_RANGE_SELECT::~QUICK_RANGE_SELECT() if (file) { range_end(); - file->extra(HA_EXTRA_NO_KEYREAD); + if (head->key_read) + { + head->key_read= 0; + file->extra(HA_EXTRA_NO_KEYREAD); + } if (free_file) { DBUG_PRINT("info", ("Freeing separate handler 0x%lx (free: %d)", (long) file, @@ -1017,8 +1020,12 @@ int QUICK_RANGE_SELECT::init_ror_merged_scan(bool reuse_handler) if (reuse_handler) { DBUG_PRINT("info", ("Reusing handler %p", file)); - if (file->extra(HA_EXTRA_KEYREAD) || - file->extra(HA_EXTRA_RETRIEVE_PRIMARY_KEY) || + if (!head->no_keyread) + { + head->key_read= 1; + file->extra(HA_EXTRA_KEYREAD); + } + if (file->extra(HA_EXTRA_RETRIEVE_PRIMARY_KEY) || init() || reset()) { DBUG_RETURN(1); @@ -1041,9 +1048,12 @@ int QUICK_RANGE_SELECT::init_ror_merged_scan(bool reuse_handler) } if (file->external_lock(thd, F_RDLCK)) goto failure; - - if (file->extra(HA_EXTRA_KEYREAD) || - file->extra(HA_EXTRA_RETRIEVE_PRIMARY_KEY) || + if (!head->no_keyread) + { + head->key_read= 1; + file->extra(HA_EXTRA_KEYREAD); + } + if (file->extra(HA_EXTRA_RETRIEVE_PRIMARY_KEY) || init() || reset()) { file->external_lock(thd, F_UNLCK); |