Many files:

  Merge InnoDB-4.0.5b: minor improvements to foreign keys, more logical data dictionary lock


sql/ha_innodb.cc:
  Merge InnoDB-4.0.5b: minor improvements to foreign keys, more logical data dictionary lock
innobase/dict/dict0crea.c:
  Merge InnoDB-4.0.5b: minor improvements to foreign keys, more logical data dictionary lock
innobase/dict/dict0dict.c:
  Merge InnoDB-4.0.5b: minor improvements to foreign keys, more logical data dictionary lock
innobase/include/log0recv.h:
  Merge InnoDB-4.0.5b: minor improvements to foreign keys, more logical data dictionary lock
innobase/include/row0mysql.h:
  Merge InnoDB-4.0.5b: minor improvements to foreign keys, more logical data dictionary lock
innobase/include/srv0srv.h:
  Merge InnoDB-4.0.5b: minor improvements to foreign keys, more logical data dictionary lock
innobase/include/trx0trx.h:
  Merge InnoDB-4.0.5b: minor improvements to foreign keys, more logical data dictionary lock
innobase/log/log0recv.c:
  Merge InnoDB-4.0.5b: minor improvements to foreign keys, more logical data dictionary lock
innobase/os/os0sync.c:
  Merge InnoDB-4.0.5b: minor improvements to foreign keys, more logical data dictionary lock
innobase/os/os0thread.c:
  Merge InnoDB-4.0.5b: minor improvements to foreign keys, more logical data dictionary lock
innobase/row/row0ins.c:
  Merge InnoDB-4.0.5b: minor improvements to foreign keys, more logical data dictionary lock
innobase/row/row0mysql.c:
  Merge InnoDB-4.0.5b: minor improvements to foreign keys, more logical data dictionary lock
innobase/row/row0purge.c:
  Merge InnoDB-4.0.5b: minor improvements to foreign keys, more logical data dictionary lock
innobase/row/row0undo.c:
  Merge InnoDB-4.0.5b: minor improvements to foreign keys, more logical data dictionary lock
innobase/row/row0upd.c:
  Merge InnoDB-4.0.5b: minor improvements to foreign keys, more logical data dictionary lock
innobase/srv/srv0srv.c:
  Merge InnoDB-4.0.5b: minor improvements to foreign keys, more logical data dictionary lock
innobase/srv/srv0start.c:
  Merge InnoDB-4.0.5b: minor improvements to foreign keys, more logical data dictionary lock
innobase/trx/trx0roll.c:
  Merge InnoDB-4.0.5b: minor improvements to foreign keys, more logical data dictionary lock
innobase/trx/trx0trx.c:
  Merge InnoDB-4.0.5b: minor improvements to foreign keys, more logical data dictionary lock

1 files changed, 13 insertions, 4 deletions

diff --git a/innobase/srv/srv0srv.c b/innobase/srv/srv0srv.c
index 11e45df4ce3..51d7878fd29 100644
--- a/innobase/srv/srv0srv.c
+++ b/innobase/srv/srv0srv.c
@@ -51,6 +51,10 @@ Created 10/8/1995 Heikki Tuuri
 #include "srv0start.h"
 #include "row0mysql.h"
 
+/* This is set to TRUE if the MySQL user has set it in MySQL; currently
+affects only FOREIGN KEY definition parsing */
+ibool	srv_lower_case_table_names	= FALSE;
+
 /* Buffer which can be used in printing fatal error messages */
 char	srv_fatal_errbuf[5000];
 
@@ -2064,6 +2068,7 @@ srv_suspend_mysql_thread(
 	os_event_t	event;
 	double		wait_time;
 	trx_t*		trx;
+	ibool		had_dict_lock	= FALSE;
 	
 	ut_ad(!mutex_own(&kernel_mutex));
 
@@ -2107,18 +2112,22 @@ srv_suspend_mysql_thread(
 	srv_conc_force_exit_innodb(thr_get_trx(thr));
 
 	/* Release possible foreign key check latch */
-	if (trx->has_dict_operation_lock) {
+	if (trx->dict_operation_lock_mode == RW_S_LATCH) {
+
+		had_dict_lock = TRUE;
 
-		rw_lock_s_unlock(&dict_operation_lock);
+		row_mysql_unfreeze_data_dictionary(trx);
 	}
 
+	ut_a(trx->dict_operation_lock_mode == 0);
+
 	/* Wait for the release */
 	
 	os_event_wait(event);
 
-	if (trx->has_dict_operation_lock) {
+	if (had_dict_lock) {
 
-		rw_lock_s_lock(&dict_operation_lock);
+		row_mysql_freeze_data_dictionary(trx);
 	}
 
 	/* Return back inside InnoDB */