srv0srv.h Merging work for 3.23.37

os0thread.c	Set created thread priority to QUERY_PRIOR if specified
row0mysql.c	Drop table removes locks on the table, error handling changed
row0ins.c	Insert now always sets a shared lock on a duplicate or suspected duplicate record
lock0lock.h	Can remove locks from a table to be dropped
lock0lock.c	Can remove locks from a table to be dropped
srv0srv.c	Try to do log flush every second
srv0start.c	No need for a slash at the end of dir
trx0trx.h	Added an IGNORE option field to trx handle
trx0trx.c	Added an IGNORE option field to trx handle
ha_innobase.h	Added last_query_id field to handle
ha_innobase.cc	Fix drop table hang, roll-forward etc.


sql/ha_innobase.cc:
  Fix drop table hang, roll-forward etc.
sql/ha_innobase.h:
  Added last_query_id field to handle
innobase/trx/trx0trx.c:
  Added an IGNORE option field to trx handle
innobase/include/trx0trx.h:
  Added an IGNORE option field to trx handle
innobase/srv/srv0start.c:
  No need for a slash at the end of dir
innobase/srv/srv0srv.c:
  Try to do log flush every second
innobase/lock/lock0lock.c:
  Can remove locks from a table to be dropped
innobase/include/lock0lock.h:
  Can remove locks from a table to be dropped
innobase/row/row0ins.c:
  Insert now always sets a shared lock on a duplicate or suspected duplicate record
innobase/row/row0mysql.c:
  Drop table removes locks on the table, error handling changed
innobase/os/os0thread.c:
  Set created thread priority to QUERY_PRIOR if specified
innobase/include/srv0srv.h:
  Merging work for 3.23.37
BitKeeper/etc/logging_ok:
  Logging to logging@openlogging.org accepted

3 files changed, 16 insertions, 1 deletions

diff --git a/innobase/include/lock0lock.h b/innobase/include/lock0lock.h
index d2d4ce9290d..c492e7b8ef3 100644
--- a/innobase/include/lock0lock.h
+++ b/innobase/include/lock0lock.h
@@ -396,6 +396,14 @@ lock_release_off_kernel(
 /*====================*/
 	trx_t*	trx);	/* in: transaction */
 /*************************************************************************
+Resets all locks, both table and record locks, on a table to be dropped.
+No lock is allowed to be a wait lock. */
+
+void
+lock_reset_all_on_table(
+/*====================*/
+	dict_table_t*	table);	/* in: table to be dropped */
+/*************************************************************************
 Calculates the fold value of a page file address: used in inserting or
 searching for a lock in the hash table. */
 UNIV_INLINE
diff --git a/innobase/include/srv0srv.h b/innobase/include/srv0srv.h
index a6750e3b277..8853745926d 100644
--- a/innobase/include/srv0srv.h
+++ b/innobase/include/srv0srv.h
@@ -48,6 +48,9 @@ extern dulint	srv_archive_recovery_limit_lsn;
 
 extern ulint	srv_lock_wait_timeout;
 
+extern ibool    srv_set_thread_priorities;
+extern int      srv_query_thread_priority;
+
 /*-------------------------------------------*/
 extern ulint	srv_n_spin_wait_rounds;
 extern ulint	srv_spin_wait_delay;
diff --git a/innobase/include/trx0trx.h b/innobase/include/trx0trx.h
index 049dbc1476c..52be0b1d992 100644
--- a/innobase/include/trx0trx.h
+++ b/innobase/include/trx0trx.h
@@ -282,7 +282,11 @@ struct trx_struct{
 	ulint		n_mysql_tables_in_use; /* number of Innobase tables
 					used in the processing of the current
 					SQL statement in MySQL */
-	UT_LIST_NODE_T(trx_t) 
+        ibool           ignore_duplicates_in_insert;
+                                        /* in an insert roll back only insert
+                                        of the latest row in case
+                                        of a duplicate key error */
+	UT_LIST_NODE_T(trx_t)
 			trx_list;	/* list of transactions */
 	/*------------------------------*/
 	mutex_t		undo_mutex;	/* mutex protecting the fields in this