Merge 10.5 into 10.6

debian/autobake-deb.sh

@@ -24,10 +24,13 @@ then
   # build less verbose
   # MCOL-4149: ColumnStore builds are so slow and big that they must be skipped on
   # both Travis-CI and Gitlab-CI
-  sed -e '/Add support for verbose builds/,/^$/d' \
-      -e '/ColumnStore is part of the build/,/^$/d' \
-      -e 's|$(CMAKEFLAGS)|$(CMAKEFLAGS) -DPLUGIN_COLUMNSTORE=NO|' \
+   sed -e 's|$(CMAKEFLAGS)|$(CMAKEFLAGS) -DPLUGIN_COLUMNSTORE=NO|' \
 	  -i debian/rules
+elif [ -d storage/columnstore/columnstore/debian ]
+then
+  cp -v storage/columnstore/columnstore/debian/mariadb-plugin-columnstore.* debian/
+  echo >> debian/control
+  cat storage/columnstore/columnstore/debian/control >> debian/control
 fi
 
 # Don't build or try to put files in a package for selected plugins and components on Travis-CI

debian/mariadb-server-10.6.postinst

@@ -124,7 +124,7 @@ EOF
     if [ ! -d "$mysql_datadir"  ] && [ ! -L "$mysql_datadir" ]; then mkdir -Z "$mysql_datadir" ; fi
     if [ ! -d "$mysql_logdir"   ] && [ ! -L "$mysql_logdir"  ]; then mkdir -Z "$mysql_logdir"  ; fi
     # When creating an ext3 jounal on an already mounted filesystem like e.g.
-    # /var/lib/mysql, you get a .journal file that is not modifyable by chown.
+    # /var/lib/mysql, you get a .journal file that is not modifiable by chown.
     # The mysql_statedir must not be writable by the mysql user under any
     # circumstances as it contains scripts that are executed by root.
     set +e
@@ -161,7 +161,7 @@ EOF
     # Clean up old flags before setting new one
     rm -f $mysql_datadir/debian-*.flag
     # Flag data dir to avoid downgrades
-    touch "$mysql_datadir/debian-$MAJOR_VER.flag"
+    touch $mysql_datadir/debian-10.6.flag
 
     # initiate databases. Output is not allowed by debconf :-(
     # This will fail if we are upgrading an existing database; in this case
@@ -175,9 +175,6 @@ EOF
                                    $ERR_LOGGER
     set -e
 
-    # To avoid downgrades.
-    touch "$mysql_statedir/debian-$MAJOR_VER.flag"
-
     # On new installations root user can connect via unix_socket.
     # But on upgrades, scripts rely on debian-sys-maint user and
     # credentials in /etc/mysql/debian.cnf
@@ -251,7 +248,7 @@ EOF
   ;;
 esac
 
-db_stop # in case invoke failes
+db_stop # in case invoke fails
 
 # dh_systemd_start doesn't emit anything since we still ship /etc/init.d/mariadb.
 # Thus MariaDB server is started via init.d script, which in turn redirects to

debian/rules

@@ -73,15 +73,6 @@ ifneq ($(DEB_BUILD_ARCH),$(DEB_HOST_ARCH))
 	dh_auto_build --builddirectory=builddir-native -- import_executables
 endif
 
-	# ColumnStore is part of the build
-ifneq (32,$(DEB_HOST_ARCH_BITS))
-	# Take the files and part of control from MCS directory
-	cp -v storage/columnstore/columnstore/debian/mariadb-plugin-columnstore.* debian/
-	# Don't include twice
-	grep -q '^Package: mariadb-plugin-columnstore$$' debian/control || \
-	( echo && cat storage/columnstore/columnstore/debian/control ) >> debian/control
-endif
-
 	echo "server:Version=$(DEB_VERSION)" >> debian/substvars
 
 	# RocksDB and Column Store cannot build on 32-bit platforms

extra/mariabackup/backup_mysql.cc

@@ -922,8 +922,6 @@ bool lock_tables(MYSQL *connection)
 
   xb_mysql_query(connection, "BACKUP STAGE START", true);
   DBUG_MARIABACKUP_EVENT("after_backup_stage_start", {});
-  // xb_mysql_query(connection, "BACKUP STAGE FLUSH", true);
-  // xb_mysql_query(connection, "BACKUP STAGE BLOCK_DDL", true);
   xb_mysql_query(connection, "BACKUP STAGE BLOCK_COMMIT", true);
   DBUG_MARIABACKUP_EVENT("after_backup_stage_block_commit", {});
   /* Set the maximum supported session value for

mysql-test/main/thread_pool_info.opt

@@ -1 +1 @@
---thread-handling=pool-of-threads --loose-thread-pool-mode=generic --loose-thread-pool-groups=ON --loose-thread-pool-queues=ON --thread-pool-stats=ON --thread-pool-waits=ON
+--thread-handling=pool-of-threads --loose-thread-pool-mode=generic --loose-thread-pool-groups=ON --loose-thread-pool-queues=ON --thread-pool-stats=ON --thread-pool-waits=ON --thread-pool-size=1 --thread-pool-max-threads=2 --thread-pool-dedicated-listener

mysql-test/main/thread_pool_info.result

@@ -26,13 +26,6 @@ SUM(QUEUE_LENGTH)
 SELECT SUM(IS_STALLED) FROM INFORMATION_SCHEMA.THREAD_POOL_GROUPS;
 SUM(IS_STALLED)
 0
-DESC INFORMATION_SCHEMA.THREAD_POOL_QUEUES;
-Field	Type	Null	Key	Default	Extra
-GROUP_ID	int(6)	NO		0	
-POSITION	int(6)	NO		0	
-PRIORITY	int(1)	NO		0	
-CONNECTION_ID	bigint(19) unsigned	YES		NULL	
-QUEUEING_TIME_MICROSECONDS	bigint(19)	NO		0	
 DESC INFORMATION_SCHEMA.THREAD_POOL_STATS;
 Field	Type	Null	Key	Default	Extra
 GROUP_ID	int(6)	NO		0	
@@ -56,9 +49,12 @@ FLUSH THREAD_POOL_STATS;
 SELECT SUM(DEQUEUES_BY_LISTENER+DEQUEUES_BY_WORKER)  FROM INFORMATION_SCHEMA.THREAD_POOL_STATS;
 SUM(DEQUEUES_BY_LISTENER+DEQUEUES_BY_WORKER)
 1
-SELECT SUM(POLLS_BY_LISTENER+POLLS_BY_WORKER)  BETWEEN 2 AND 3 FROM INFORMATION_SCHEMA.THREAD_POOL_STATS;
-SUM(POLLS_BY_LISTENER+POLLS_BY_WORKER)  BETWEEN 2 AND 3
-1
+SELECT SUM(POLLS_BY_LISTENER) FROM INFORMATION_SCHEMA.THREAD_POOL_STATS;
+SUM(POLLS_BY_LISTENER)
+2
+SELECT SUM(POLLS_BY_WORKER) FROM INFORMATION_SCHEMA.THREAD_POOL_STATS;
+SUM(POLLS_BY_WORKER)
+0
 DESC INFORMATION_SCHEMA.THREAD_POOL_WAITS;
 Field	Type	Null	Key	Default	Extra
 REASON	varchar(16)	NO			
@@ -87,3 +83,29 @@ SELECT COUNT FROM INFORMATION_SCHEMA.THREAD_POOL_WAITS WHERE REASON='Sleep';
 COUNT
 1
 FLUSH THREAD_POOL_WAITS;
+DESC INFORMATION_SCHEMA.THREAD_POOL_QUEUES;
+Field	Type	Null	Key	Default	Extra
+GROUP_ID	int(6)	NO		0	
+POSITION	int(6)	NO		0	
+PRIORITY	int(1)	NO		0	
+CONNECTION_ID	bigint(19) unsigned	YES		NULL	
+QUEUEING_TIME_MICROSECONDS	bigint(19)	NO		0	
+# restart: with restart_parameters
+connect  con1, localhost, root,,test;
+connection con1;
+connect  con2, localhost, root,,test;
+connection con2;
+connect extra_con,127.0.0.1,root,,test,$extra_port,;
+connection con1;
+SELECT SLEEP(1000);
+connection extra_con;
+connection con2;
+DO 1;
+connection extra_con;
+KILL QUERY con1_id;
+disconnect extra_con;
+connection con1;
+disconnect con1;
+connection con2;
+disconnect con2;
+connection default;

mysql-test/main/thread_pool_info.test

@@ -15,9 +15,6 @@ SELECT SUM(ACTIVE_THREADS) > 0 FROM INFORMATION_SCHEMA.THREAD_POOL_GROUPS;
 SELECT SUM(QUEUE_LENGTH) FROM INFORMATION_SCHEMA.THREAD_POOL_GROUPS;
 SELECT SUM(IS_STALLED) FROM INFORMATION_SCHEMA.THREAD_POOL_GROUPS;
 
-# I_S.THREAD_POOL_QUEUES
-DESC INFORMATION_SCHEMA.THREAD_POOL_QUEUES;
-#Todo - figure out how to populate queue with debug test
 
 # I_S.THREAD_POOL_STATS
 DESC INFORMATION_SCHEMA.THREAD_POOL_STATS;
@@ -29,7 +26,8 @@ SELECT SUM(POLLS_BY_LISTENER+POLLS_BY_WORKER) > 0 FROM INFORMATION_SCHEMA.THREAD
 --disable_ps_protocol
 FLUSH THREAD_POOL_STATS;
 SELECT SUM(DEQUEUES_BY_LISTENER+DEQUEUES_BY_WORKER)  FROM INFORMATION_SCHEMA.THREAD_POOL_STATS;
-SELECT SUM(POLLS_BY_LISTENER+POLLS_BY_WORKER)  BETWEEN 2 AND 3 FROM INFORMATION_SCHEMA.THREAD_POOL_STATS;
+SELECT SUM(POLLS_BY_LISTENER) FROM INFORMATION_SCHEMA.THREAD_POOL_STATS;
+SELECT SUM(POLLS_BY_WORKER) FROM INFORMATION_SCHEMA.THREAD_POOL_STATS;
 --enable_ps_protocol
 
 #I_S.THREAD_POOL_WAITS
@@ -39,3 +37,56 @@ SELECT COUNT FROM INFORMATION_SCHEMA.THREAD_POOL_WAITS WHERE REASON='Sleep';
 SELECT SLEEP(0.01);
 SELECT COUNT FROM INFORMATION_SCHEMA.THREAD_POOL_WAITS WHERE REASON='Sleep';
 FLUSH THREAD_POOL_WAITS;
+
+
+# I_S.THREAD_POOL_QUEUES
+DESC INFORMATION_SCHEMA.THREAD_POOL_QUEUES;
+let $extra_port=`select @@port+1`;
+
+let $restart_parameters=--extra-port=$extra_port;
+let $restart_noprint=1;
+source include/restart_mysqld.inc;
+
+connect (con1, localhost, root,,test);
+connection con1;
+let $con1_id=`SELECT CONNECTION_ID()`;
+
+connect (con2, localhost, root,,test);
+connection con2;
+let $con2_id=`SELECT CONNECTION_ID()`;
+
+connect(extra_con,127.0.0.1,root,,test,$extra_port,);
+
+connection con1;
+send SELECT SLEEP(1000);
+
+connection extra_con;
+let $wait_condition=
+  SELECT COUNT(*) > 0 FROM INFORMATION_SCHEMA.PROCESSLIST
+  WHERE STATE='User sleep' AND ID=$con1_id;
+--source include/wait_condition.inc
+
+connection con2;
+send DO 1;
+
+
+connection extra_con;
+let $wait_condition=
+  SELECT COUNT(*) > 0 FROM INFORMATION_SCHEMA.THREAD_POOL_QUEUES
+  WHERE CONNECTION_ID IS NOT NULL;
+--source include/wait_condition.inc
+
+--replace_result $con1_id con1_id
+eval KILL QUERY $con1_id;
+disconnect extra_con;
+
+connection con1;
+error 0,ER_QUERY_INTERRUPTED;
+reap;
+disconnect con1;
+
+connection con2;
+reap;
+disconnect con2;
+
+connection default;

mysql-test/suite/innodb/r/innodb-alter-timestamp.result

@@ -139,3 +139,13 @@ ALTER TABLE t1 ADD f3 DATE NOT NULL, ALGORITHM=INPLACE;
 ERROR 0A000: ALGORITHM=INPLACE is not supported for this operation. Try ALGORITHM=COPY
 DROP TABLE t1;
 disconnect purge_control;
+#
+# MDEV-26458 SIGSEGV in innobase_table_is_empty() on ALTER TABLE
+#
+CREATE TABLE t(a INT PRIMARY KEY) ENGINE=InnoDB;
+ALTER TABLE t DISCARD TABLESPACE;
+SET sql_mode='NO_ZERO_DATE';
+ALTER TABLE t ADD c DATE NOT NULL;
+SET sql_mode=DEFAULT;
+DROP TABLE t;
+# End of 10.3 tests

mysql-test/suite/innodb/t/innodb-alter-timestamp.test

@@ -103,3 +103,15 @@ INSERT INTO t1 VALUES (1, now());
 ALTER TABLE t1 ADD f3 DATE NOT NULL, ALGORITHM=INPLACE;
 DROP TABLE t1;
 disconnect purge_control;
+
+--echo #
+--echo # MDEV-26458 SIGSEGV in innobase_table_is_empty() on ALTER TABLE
+--echo #
+CREATE TABLE t(a INT PRIMARY KEY) ENGINE=InnoDB;
+ALTER TABLE t DISCARD TABLESPACE;
+SET sql_mode='NO_ZERO_DATE';
+ALTER TABLE t ADD c DATE NOT NULL;
+SET sql_mode=DEFAULT;
+DROP TABLE t;
+
+--echo # End of 10.3 tests

plugin/auth_pam/CMakeLists.txt

@@ -44,6 +44,9 @@ IF(HAVE_PAM_APPL_H AND HAVE_GETGROUPLIST)
     TARGET_LINK_LIBRARIES(auth_pam_tool pam)
     INSTALL(CODE "EXECUTE_PROCESS(
                      COMMAND chmod u=rwx,g=,o= auth_pam_tool_dir
+                     WORKING_DIRECTORY \$ENV{DESTDIR}\${CMAKE_INSTALL_PREFIX}/${INSTALL_PLUGINDIR}/)"
+                   COMPONENT Server)
+    INSTALL(CODE "EXECUTE_PROCESS(
                      COMMAND chmod u=rwxs,g=rx,o=rx auth_pam_tool_dir/auth_pam_tool
                      WORKING_DIRECTORY \$ENV{DESTDIR}\${CMAKE_INSTALL_PREFIX}/${INSTALL_PLUGINDIR}/)"
                    COMPONENT Server)

sql/table.h

@@ -1,7 +1,7 @@
 #ifndef TABLE_INCLUDED
 #define TABLE_INCLUDED
 /* Copyright (c) 2000, 2017, Oracle and/or its affiliates.
-   Copyright (c) 2009, 2020, MariaDB
+   Copyright (c) 2009, 2021, MariaDB
 
    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

sql/thread_pool_info.cc

@@ -131,7 +131,10 @@ static int queues_fill_table(THD* thd, TABLE_LIST* tables, COND*)
         table->field[2]->store(prio, true);
         /* CONNECTION_ID */
         if (c->thd)
+        {
+          table->field[3]->set_notnull();
           table->field[3]->store(c->thd->thread_id, true);
+        }
         /* QUEUEING_TIME */
         table->field[4]->store(now - c->enqueue_time, true);
 

sql/threadpool_generic.cc

@@ -1206,7 +1206,7 @@ TP_connection_generic *get_event(worker_thread_t *current_thread,
       non-blocking event poll, i.e with timeout = 0.
       If this returns events, pick one
     */
-    if (!oversubscribed)
+    if (!oversubscribed && !threadpool_dedicated_listener)
     {
       native_event ev[MAX_EVENTS];
       int cnt = io_poll_wait(thread_group->pollfd, ev, MAX_EVENTS, 0);

storage/innobase/btr/btr0sea.cc

@@ -205,6 +205,8 @@ ATTRIBUTE_COLD static void btr_search_lazy_free(dict_index_t *index)
 {
   ut_ad(index->freed());
   dict_table_t *table= index->table;
+  table->autoinc_mutex.wr_lock();
+
   /* Perform the skipped steps of dict_index_remove_from_cache_low(). */
   UT_LIST_REMOVE(table->freed_indexes, index);
   index->lock.free();
@@ -213,9 +215,14 @@ ATTRIBUTE_COLD static void btr_search_lazy_free(dict_index_t *index)
   if (!UT_LIST_GET_LEN(table->freed_indexes) &&
       !UT_LIST_GET_LEN(table->indexes))
   {
-    ut_ad(table->id == 0);
+    ut_ad(!table->id);
+    table->autoinc_mutex.wr_unlock();
+    table->autoinc_mutex.destroy();
     dict_mem_table_free(table);
+    return;
   }
+
+  table->autoinc_mutex.wr_unlock();
 }
 
 /** Disable the adaptive hash search system and empty the index. */

storage/innobase/dict/dict0dict.cc

@@ -1338,6 +1338,7 @@ dict_index_t *dict_index_t::clone_if_needed()
     return this;
   dict_index_t *prev= UT_LIST_GET_PREV(indexes, this);
 
+  table->autoinc_mutex.wr_lock();
   UT_LIST_REMOVE(table->indexes, this);
   UT_LIST_ADD_LAST(table->freed_indexes, this);
   dict_index_t *index= clone();
@@ -1346,6 +1347,7 @@ dict_index_t *dict_index_t::clone_if_needed()
     UT_LIST_INSERT_AFTER(table->indexes, prev, index);
   else
     UT_LIST_ADD_FIRST(table->indexes, index);
+  table->autoinc_mutex.wr_unlock();
   return index;
 }
 #endif /* BTR_CUR_HASH_ADAPT */
@@ -1958,27 +1960,34 @@ void dict_sys_t::remove(dict_table_t* table, bool lru, bool keep)
 		UT_DELETE(table->vc_templ);
 	}
 
-	table->autoinc_mutex.destroy();
 	table->lock_mutex_destroy();
 
 	if (keep) {
+		table->autoinc_mutex.destroy();
 		return;
 	}
 
 #ifdef BTR_CUR_HASH_ADAPT
-	if (UNIV_UNLIKELY(UT_LIST_GET_LEN(table->freed_indexes) != 0)) {
-		if (table->fts) {
-			fts_optimize_remove_table(table);
-			fts_free(table);
-			table->fts = NULL;
-		}
+	if (table->fts) {
+		fts_optimize_remove_table(table);
+		fts_free(table);
+		table->fts = NULL;
+	}
+
+	table->autoinc_mutex.wr_lock();
 
-		table->vc_templ = NULL;
-		table->id = 0;
+	ulint freed = UT_LIST_GET_LEN(table->freed_indexes);
+
+	table->vc_templ = NULL;
+	table->id = 0;
+	table->autoinc_mutex.wr_unlock();
+
+	if (UNIV_UNLIKELY(freed != 0)) {
 		return;
 	}
 #endif /* BTR_CUR_HASH_ADAPT */
 
+	table->autoinc_mutex.destroy();
 	dict_mem_table_free(table);
 }
 
@@ -2193,8 +2202,10 @@ dict_index_remove_from_cache_low(
 	zero. See also: dict_table_can_be_evicted() */
 
 	if (index->n_ahi_pages()) {
+		table->autoinc_mutex.wr_lock();
 		index->set_freed();
 		UT_LIST_ADD_LAST(table->freed_indexes, index);
+		table->autoinc_mutex.wr_unlock();
 		return;
 	}
 #endif /* BTR_CUR_HASH_ADAPT */

storage/innobase/handler/handler0alter.cc

@@ -2205,6 +2205,7 @@ ha_innobase::check_if_supported_inplace_alter(
 	/* '0000-00-00' value isn't allowed for datetime datatype
 	for newly added column when table is not empty */
 	if (ha_alter_info->error_if_not_empty
+	    && m_prebuilt->table->space
 	    && !innobase_table_is_empty(m_prebuilt->table)) {
 		DBUG_RETURN(HA_ALTER_INPLACE_NOT_SUPPORTED);
 	}