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-rw-r--r--sql/sql_cache.cc5
-rw-r--r--sql/sql_class.cc4
-rw-r--r--sql/sql_cursor.cc3
3 files changed, 6 insertions, 6 deletions
diff --git a/sql/sql_cache.cc b/sql/sql_cache.cc
index cf3ba9c8c40..31201474c05 100644
--- a/sql/sql_cache.cc
+++ b/sql/sql_cache.cc
@@ -830,6 +830,11 @@ sql mode: 0x%lx, sort len: %lu, conncat len: %lu",
flags.sql_mode,
flags.max_sort_length,
flags.group_concat_max_len));
+ /*
+ Make InnoDB to release the adaptive hash index latch before
+ acquiring the query cache mutex.
+ */
+ ha_release_temporary_latches(thd);
STRUCT_LOCK(&structure_guard_mutex);
if (query_cache_size == 0)
diff --git a/sql/sql_class.cc b/sql/sql_class.cc
index 59391a333c3..5a6bbe01183 100644
--- a/sql/sql_class.cc
+++ b/sql/sql_class.cc
@@ -919,14 +919,12 @@ bool select_send::send_data(List<Item> &items)
return 0;
}
-#ifdef HAVE_INNOBASE_DB
/*
We may be passing the control from mysqld to the client: release the
InnoDB adaptive hash S-latch to avoid thread deadlocks if it was reserved
by thd
*/
ha_release_temporary_latches(thd);
-#endif
List_iterator_fast<Item> li(items);
Protocol *protocol= thd->protocol;
@@ -956,12 +954,10 @@ bool select_send::send_data(List<Item> &items)
bool select_send::send_eof()
{
-#ifdef HAVE_INNOBASE_DB
/* We may be passing the control from mysqld to the client: release the
InnoDB adaptive hash S-latch to avoid thread deadlocks if it was reserved
by thd */
ha_release_temporary_latches(thd);
-#endif
/* Unlock tables before sending packet to gain some speed */
if (thd->lock)
diff --git a/sql/sql_cursor.cc b/sql/sql_cursor.cc
index 33ad27b9d14..2784e71ccae 100644
--- a/sql/sql_cursor.cc
+++ b/sql/sql_cursor.cc
@@ -445,9 +445,8 @@ Sensitive_cursor::fetch(ulong num_rows)
if (error == NESTED_LOOP_CURSOR_LIMIT)
join->resume_nested_loop= TRUE;
-#ifdef USING_TRANSACTIONS
ha_release_temporary_latches(thd);
-#endif
+
/* Grab free_list here to correctly free it in close */
thd->restore_active_arena(this, &backup_arena);