Merge 10.2 into 10.3

mysql-test/suite/galera/t/mdev-22543.test

@@ -5,15 +5,15 @@
 --source include/galera_cluster.inc
 --source include/have_debug.inc
 --source include/have_debug_sync.inc
- 
+
 --let $node_1 = node_1
 --let $node_2 = node_2
 --source include/auto_increment_offset_save.inc
- 
+
 --let $galera_connection_name = node_1_ctrl
 --let $galera_server_number = 1
 --source include/galera_connect.inc
- 
+
 #
 # Run UPDATE on node_1 and make it block before table locks are taken.
 # This should block FTWRL.
@@ -23,10 +23,10 @@ CREATE TABLE t1 (f1 INT PRIMARY KEY, f2 INT);
 INSERT INTO t1 VALUES (1, 1);
 SET DEBUG_SYNC = "before_lock_tables_takes_lock SIGNAL sync_point_reached WAIT_FOR sync_point_continue";
 --send UPDATE t1 SET f2 = 2 WHERE f1 = 1
- 
+
 --connection node_1_ctrl
 SET DEBUG_SYNC = "now WAIT_FOR sync_point_reached";
- 
+
 #
 # Restart node_2, force SST.
 #
@@ -40,19 +40,19 @@ SET DEBUG_SYNC = "now WAIT_FOR sync_point_reached";
 # If the bug is present, FTWRL times out on node_1 in couple of
 # seconds and node_2 fails to join.
 --sleep 10
- 
+
 --connection node_1_ctrl
 SET DEBUG_SYNC = "now SIGNAL sync_point_continue";
- 
+
 --connection node_1
 --reap
 SET DEBUG_SYNC = "RESET";
- 
+
 --connection node_2
 --enable_reconnect
 --source include/wait_until_connected_again.inc
- 
+
 --connection node_1
 DROP TABLE t1;
- 
+
 --source include/auto_increment_offset_restore.inc

mysql-test/suite/galera_3nodes/disabled.def

@@ -1,2 +1,21 @@
+##############################################################################
+#
+#  List the test cases that are to be disabled temporarily.
+#
+#  Separate the test case name and the comment with ':'.
+#
+#    <testcasename> : MDEV-<xxxx> <comment>
+# 
+#  Do not use any TAB characters for whitespace.
+#
+##############################################################################
+
+galera_ipv6_mariabackup : MDEV-23573 Could not open '../galera/include/have_mariabackup.inc'
+galera_ipv6_mariabackup_section : MDEV-23574 Could not open '../galera/include/have_mariabackup.inc'
+galera_ipv6_mysqldump : MDEV-23576 WSREP_SST: [ERROR] rsync daemon port '16008' has been taken
+galera_ipv6_rsyn : MDEV-23581 WSREP_SST: [ERROR] rsync daemon port '16008' has been taken
+galera_ipv6_rsync_section : MDEV-23580 WSREP_SST: [ERROR] rsync daemon port '16008' has been taken
+galera_ipv6_xtrabackup-v2 : MDEV-23575 WSREP_SST: [ERROR] innobackupex not in path
+galera_ist_gcache_rollover : MDEV-23578 WSREP: exception caused by message: {v=0,t=1,ut=255,o=4,s=0,sr=0,as=1,f=6,src=50524cfe,srcvid=view_id(REG,50524cfe,4),insvid=view_id(UNKNOWN,00000000,0),ru=00000000,r=[-1,-1],fs=75,nl=(}
 galera_slave_options_do :MDEV-8798
 galera_slave_options_ignore : MDEV-8798

mysql-test/suite/innodb/r/foreign_key.result

@@ -167,7 +167,6 @@ PRIMARY KEY  (store_id),
 UNIQUE KEY idx_unique_manager (manager_staff_id),
 CONSTRAINT fk_store_staff FOREIGN KEY (manager_staff_id) REFERENCES staff (staff_id) ON DELETE RESTRICT ON UPDATE CASCADE
 ) ENGINE=InnoDB;
-SET FOREIGN_KEY_CHECKS=DEFAULT;
 LOCK TABLE staff WRITE;
 UNLOCK TABLES;
 DROP TABLES staff, store;

mysql-test/suite/innodb/t/foreign_key.test

@@ -136,7 +136,6 @@ CREATE TABLE store (
   UNIQUE KEY idx_unique_manager (manager_staff_id),
   CONSTRAINT fk_store_staff FOREIGN KEY (manager_staff_id) REFERENCES staff (staff_id) ON DELETE RESTRICT ON UPDATE CASCADE
 ) ENGINE=InnoDB;
-SET FOREIGN_KEY_CHECKS=DEFAULT;
 
 LOCK TABLE staff WRITE;
 UNLOCK TABLES;

mysql-test/suite/sys_vars/r/foreign_key_checks_basic.result

@@ -7,7 +7,7 @@ SET @@session.foreign_key_checks = 1;
 SET @@session.foreign_key_checks = DEFAULT;
 SELECT @@session.foreign_key_checks;
 @@session.foreign_key_checks
-0
+1
 '#---------------------FN_DYNVARS_032_02-------------------------#'
 SET foreign_key_checks = 1;
 SELECT @@foreign_key_checks;

mysql-test/suite/sys_vars/r/unique_checks_basic.result

@@ -7,7 +7,7 @@ SET @@session.unique_checks= 1;
 SET @@session.unique_checks= DEFAULT;
 SELECT @@session.unique_checks;
 @@session.unique_checks
-0
+1
 '#--------------------FN_DYNVARS_005_04-------------------------#'
 SET @@session.unique_checks =1;
 SELECT @@session.unique_checks;

sql/mdl.cc

@@ -26,7 +26,6 @@
 #include <mysql/psi/mysql_stage.h>
 #include "wsrep_mysqld.h"
 #include "wsrep_thd.h"
-#include "wsrep_sst.h"
 
 #ifdef HAVE_PSI_INTERFACE
 static PSI_mutex_key key_MDL_wait_LOCK_wait_status;
@@ -2148,26 +2147,18 @@ MDL_context::acquire_lock(MDL_request *mdl_request, double lock_wait_timeout)
     wait_status= m_wait.timed_wait(m_owner, &abs_shortwait, FALSE,
                                    mdl_request->key.get_wait_state_name());
 
-    THD* thd= m_owner->get_thd();
-
     if (wait_status != MDL_wait::EMPTY)
       break;
     /* Check if the client is gone while we were waiting. */
-    if (! thd_is_connected(thd))
+    if (! thd_is_connected(m_owner->get_thd()))
     {
-#if defined(WITH_WSREP) && !defined(EMBEDDED_LIBRARY)
-      // During SST client might not be connected
-      if (!wsrep_is_sst_progress())
-#endif
-      {
-        /*
-         * The client is disconnected. Don't wait forever:
-         * assume it's the same as a wait timeout, this
-         * ensures all error handling is correct.
-         */
-        wait_status= MDL_wait::TIMEOUT;
-        break;
-      }
+      /*
+       * The client is disconnected. Don't wait forever:
+       * assume it's the same as a wait timeout, this
+       * ensures all error handling is correct.
+       */
+      wait_status= MDL_wait::TIMEOUT;
+      break;
     }
 
     mysql_prlock_wrlock(&lock->m_rwlock);

sql/sys_vars.ic

@@ -1817,13 +1817,16 @@ public:
     return false;
   }
   void session_save_default(THD *thd, set_var *var)
-  { var->save_result.ulonglong_value= global_var(ulonglong) & bitmask; }
+  {
+    var->save_result.ulonglong_value=
+      (reverse_semantics == !(global_var(ulonglong) & bitmask));
+  }
   void global_save_default(THD *thd, set_var *var)
   { var->save_result.ulonglong_value= option.def_value; }
 
   uchar *valptr(THD *thd, ulonglong val)
   {
-    thd->sys_var_tmp.my_bool_value= reverse_semantics ^ ((val & bitmask) != 0);
+    thd->sys_var_tmp.my_bool_value= (reverse_semantics == !(val & bitmask));
     return (uchar*) &thd->sys_var_tmp.my_bool_value;
   }
   uchar *session_value_ptr(THD *thd, const LEX_CSTRING *base)

sql/wsrep_sst.cc

@@ -1,4 +1,4 @@
-/* Copyright 2008-2015 Codership Oy <http://www.codership.com>
+/* Copyright 2008-2020 Codership Oy <http://www.codership.com>
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -186,7 +186,6 @@ bool wsrep_before_SE()
 
 static bool            sst_complete = false;
 static bool            sst_needed   = false;
-static bool            sst_in_progress = false;
 
 #define WSREP_EXTEND_TIMEOUT_INTERVAL 30
 #define WSREP_TIMEDWAIT_SECONDS 10
@@ -1548,11 +1547,11 @@ static void* sst_donor_thread (void* a)
   wsrep_uuid_t  ret_uuid= WSREP_UUID_UNDEFINED;
   // seqno of complete SST
   wsrep_seqno_t ret_seqno= WSREP_SEQNO_UNDEFINED;
-  // SST is now in progress
-  sst_in_progress= true;
 
-  wsp::thd thd(FALSE); // we turn off wsrep_on for this THD so that it can
-                       // operate with wsrep_ready == OFF
+  // We turn off wsrep_on for this THD so that it can
+  // operate with wsrep_ready == OFF
+  // We also set this SST thread THD as system thread
+  wsp::thd thd(FALSE, true);
   wsp::process proc(arg->cmd, "r", arg->env);
 
   err= proc.error();
@@ -1651,8 +1650,6 @@ static void* sst_donor_thread (void* a)
   wsrep->sst_sent (wsrep, &state_id, -err);
   proc.wait();
 
-  sst_in_progress= false;
-
   return NULL;
 }
 
@@ -1827,8 +1824,3 @@ void wsrep_SE_initialized()
 {
   SE_initialized = true;
 }
-
-bool wsrep_is_sst_progress()
-{
-  return (sst_in_progress);
-}

sql/wsrep_sst.h

@@ -77,14 +77,12 @@ extern void wsrep_SE_init_grab();   /*! grab init critical section */
 extern void wsrep_SE_init_wait();   /*! wait for SE init to complete */
 extern void wsrep_SE_init_done();   /*! signal that SE init is complte */
 extern void wsrep_SE_initialized(); /*! mark SE initialization complete */
-extern bool wsrep_is_sst_progress();
 
 #else
 #define wsrep_SE_initialized() do { } while(0)
 #define wsrep_SE_init_grab() do { } while(0)
 #define wsrep_SE_init_done() do { } while(0)
 #define wsrep_sst_continue() (0)
-#define wsrep_is_sst_progress() (0)
 
 #endif /* WITH_WSREP */
 #endif /* WSREP_SST_H */

sql/wsrep_utils.cc

@@ -414,14 +414,16 @@ process::wait ()
   return err_;
 }
 
-thd::thd (my_bool won) : init(), ptr(new THD(0))
+thd::thd (my_bool won, bool system_thread) : init(), ptr(new THD(0))
 {
   if (ptr)
   {
     ptr->thread_stack= (char*) &ptr;
     ptr->store_globals();
     ptr->variables.option_bits&= ~OPTION_BIN_LOG; // disable binlog
     ptr->variables.wsrep_on = won;
+    if (system_thread)
+      ptr->system_thread= SYSTEM_THREAD_GENERIC;
     ptr->security_ctx->master_access= ~(ulong)0;
     lex_start(ptr);
   }

sql/wsrep_utils.h

@@ -298,7 +298,7 @@ class thd
 
 public:
 
-  thd(my_bool wsrep_on);
+  thd(my_bool wsrep_on, bool system_thread=false);
   ~thd();
   THD* const ptr;
 };

storage/innobase/include/row0upd.h

@@ -249,24 +249,18 @@ row_upd_index_replace_new_col_vals_index_pos(
 	const upd_t*		update,
 	mem_heap_t*		heap)
 	MY_ATTRIBUTE((nonnull));
-/***********************************************************//**
-Replaces the new column values stored in the update vector to the index entry
-given. */
-void
-row_upd_index_replace_new_col_vals(
-/*===============================*/
-	dtuple_t*	entry,	/*!< in/out: index entry where replaced;
-				the clustered index record must be
-				covered by a lock or a page latch to
-				prevent deletion (rollback or purge) */
-	dict_index_t*	index,	/*!< in: index; NOTE that this may also be a
-				non-clustered index */
-	const upd_t*	update,	/*!< in: an update vector built for the
-				CLUSTERED index so that the field number in
-				an upd_field is the clustered index position */
-	mem_heap_t*	heap)	/*!< in: memory heap for allocating and
-				copying the new values */
-	MY_ATTRIBUTE((nonnull));
+/** Replace the new column values stored in the update vector,
+during trx_undo_prev_version_build().
+@param entry   clustered index tuple where the values are replaced
+               (the clustered index leaf page latch must be held)
+@param index   clustered index
+@param update  update vector for the clustered index
+@param heap    memory heap for allocating and copying values
+@return whether the previous version was built successfully */
+bool
+row_upd_index_replace_new_col_vals(dtuple_t *entry, const dict_index_t &index,
+                                   const upd_t *update, mem_heap_t *heap)
+  MY_ATTRIBUTE((nonnull, warn_unused_result));
 /***********************************************************//**
 Replaces the new column values stored in the update vector. */
 void