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| author | unknown <bell@sanja.is.com.ua> | 2004-07-04 10:40:24 +0300 |
|---|---|---|
| committer | unknown <bell@sanja.is.com.ua> | 2004-07-04 10:40:24 +0300 |
| commit | ad165ad183213234e7ec29351abac79c087fb981 (patch) | |
| tree | 506b5b689f8566999d52b45e68e8bc8849799e67 /sql/item_cmpfunc.cc | |
| parent | d760bfd6b01e6d73719cd2198ba7b3a9b694a284 (diff) | |
| download | mariadb-git-ad165ad183213234e7ec29351abac79c087fb981.tar.gz | |
do not assign values of left expression of IN/ANN/ANY subquery in case of PS preparation (BUG#4403)
mysql-test/r/ps_2myisam.result:
changes in results of select without order by
mysql-test/r/ps_3innodb.result:
changes in results of select without order by
mysql-test/r/ps_5merge.result:
changes in results of select without order by
mysql-test/r/ps_6bdb.result:
changes in results of select without order by
sql/item_cmpfunc.cc:
do not assign values of left expression of IN/ANN/ANY subquery in case of PS preparation
Diffstat (limited to 'sql/item_cmpfunc.cc')
| -rw-r--r-- | sql/item_cmpfunc.cc | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/sql/item_cmpfunc.cc b/sql/item_cmpfunc.cc index 91257c31fb9..60f80249e94 100644 --- a/sql/item_cmpfunc.cc +++ b/sql/item_cmpfunc.cc @@ -483,7 +483,14 @@ bool Item_in_optimizer::fix_left(THD *thd, return 1; cache->setup(args[0]); - cache->store(args[0]); + /* + If it is preparation PS only then we do not know values of parameters => + cant't get there values and do not need that values. + + TODO: during merge with 5.0 it should be changed on !thd->only_prepare() + */ + if (!thd->current_statement) + cache->store(args[0]); if (cache->cols() == 1) { if ((used_tables_cache= args[0]->used_tables())) |