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| author | monty@mysql.com <> | 2006-02-24 18:34:15 +0200 |
|---|---|---|
| committer | monty@mysql.com <> | 2006-02-24 18:34:15 +0200 |
| commit | 82b77cdd901bb36d4be23456bc0c5d171a29e3f7 (patch) | |
| tree | 603ae9081a58d9f7bb204327f65d4a8af4425b28 /sql/sql_base.cc | |
| parent | b11c033f496eccc680c1026a57af836c9a4578f3 (diff) | |
| download | mariadb-git-82b77cdd901bb36d4be23456bc0c5d171a29e3f7.tar.gz | |
Fixes to embedded server to be able to run tests with it
(Needed for "list of pushes" web page and autopush)
Diffstat (limited to 'sql/sql_base.cc')
| -rw-r--r-- | sql/sql_base.cc | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sql/sql_base.cc b/sql/sql_base.cc index 37d4c80a0d0..2614a7cd5be 100644 --- a/sql/sql_base.cc +++ b/sql/sql_base.cc @@ -368,6 +368,15 @@ bool close_cached_tables(THD *thd, bool if_wait_for_refresh, DESCRIPTION Marks all tables in the list which were used by current substatement (they are marked by its query_id) as free for reuse. + + NOTE + The reason we reset query_id is that it's not enough to just test + if table->query_id != thd->query_id to know if a table is in use. + + For example + SELECT f1_that_uses_t1() FROM t1; + In f1_that_uses_t1() we will see one instance of t1 where query_id is + set to query_id of original query. */ static void mark_used_tables_as_free_for_reuse(THD *thd, TABLE *table) |