Merge 10.2 (part) into 10.3

commit '6de482a6'

10.3 no longer errors in truncate_notembedded.test
but per comments, a non-crash is all that we are after.

debian/autobake-deb.sh

@@ -6,35 +6,10 @@
 # Exit immediately on any error
 set -e
 
-# This file is invocated from Buildbot and Travis-CI to build deb packages.
-# As both of those CI systems have many parallel jobs that include different
-# parts of the test suite, we don't need to run the mysql-test-run at all when
-# building the deb packages here.
-export DEB_BUILD_OPTIONS="nocheck $DEB_BUILD_OPTIONS"
-
-# Travis-CI optimizations
-if [[ $TRAVIS ]]
-then
-  # On Travis-CI, the log must stay under 4MB so make the build less verbose
-  sed -i -e '/Add support for verbose builds/,+2d' debian/rules
-
-  # Don't include test suite package on Travis-CI to make the build time shorter
-  sed '/Package: mariadb-test-data/,/^$/d' -i debian/control
-  sed '/Package: mariadb-test/,/^$/d' -i debian/control
-
-  # Don't build the test package at all to save time and disk space
-  sed 's|DINSTALL_MYSQLTESTDIR=share/mysql/mysql-test|DINSTALL_MYSQLTESTDIR=false|' -i debian/rules
-
-  # Also skip building RocksDB and TokuDB to save even more time and disk space
-  sed 's|-DDEB|-DPLUGIN_TOKUDB=NO -DPLUGIN_MROONGA=NO -DPLUGIN_ROCKSDB=NO -DPLUGIN_SPIDER=NO -DPLUGIN_OQGRAPH=NO -DPLUGIN_PERFSCHEMA=NO -DPLUGIN_SPHINX=NO -WITH_EMBEDDED_SERVER=OFF -DDEB|' -i debian/rules
-fi
-
-# Convert gcc version to numberical value. Format is Mmmpp where M is Major
-# version, mm is minor version and p is patch.
-# -dumpfullversion & -dumpversion to make it uniform across old and new (>=7)
-GCCVERSION=$(gcc -dumpfullversion -dumpversion | sed -e 's/\.\([0-9][0-9]\)/\1/g' \
-                                                     -e 's/\.\([0-9]\)/0\1/g'     \
-                                                     -e 's/^[0-9]\{3,4\}$/&00/')
+# On Buildbot, don't run the mysql-test-run test suite as part of build.
+# It takes a lot of time, and we will do a better test anyway in
+# Buildbot, running the test suite from installed .debs on a clean VM.
+export DEB_BUILD_OPTIONS="nocheck"
 
 # Look up distro-version specific stuff
 #
@@ -50,49 +25,8 @@ case "${CODENAME}" in
 		;;
 esac
 
-# If libcrack2 (>= 2.9.0) is not available (before Debian Jessie and Ubuntu Trusty)
-# clean away the cracklib stanzas so the package can build without them.
-if ! apt-cache madison libcrack2-dev | grep 'libcrack2-dev *| *2\.9' >/dev/null 2>&1
-then
-  sed '/libcrack2-dev/d' -i debian/control
-  sed '/Package: mariadb-plugin-cracklib/,/^$/d' -i debian/control
-fi
-
-# If libpcre3-dev (>= 2:8.35-3.2~) is not available (before Debian Jessie or Ubuntu Wily)
-# clean away the PCRE3 stanzas so the package can build without them.
-# Update check when version 2:8.40 or newer is available.
-if ! apt-cache madison libpcre3-dev | grep 'libpcre3-dev *| *2:8\.3[2-9]' >/dev/null 2>&1
-then
-  sed '/libpcre3-dev/d' -i debian/control
-fi
-
-# If libsystemd-dev is not available (before Debian Jessie or Ubuntu Wily)
-# clean away the systemd stanzas so the package can build without them.
-if ! apt-cache madison libsystemd-dev | grep 'libsystemd-dev' >/dev/null 2>&1
-then
-  sed '/dh-systemd/d' -i debian/control
-  sed '/libsystemd-dev/d' -i debian/control
-  sed 's/ --with systemd//' -i debian/rules
-  sed '/systemd/d' -i debian/rules
-  sed '/\.service/d' -i debian/rules
-  sed '/galera_new_cluster/d' -i debian/mariadb-server-10.3.install
-  sed '/galera_recovery/d' -i debian/mariadb-server-10.3.install
-  sed '/mariadb-service-convert/d' -i debian/mariadb-server-10.3.install
-fi
-
-# The binaries should be fully hardened by default. However TokuDB compilation seems to fail on
-# Debian Jessie and older and on Ubuntu Xenial and older with the following error message:
-#   /usr/bin/ld.bfd.real: /tmp/ccOIwjFo.ltrans0.ltrans.o: relocation R_X86_64_PC32 against symbol
-#   `toku_product_name_strings' can not be used when making a shared object; recompile with -fPIC
-# Therefore we need to disable PIE on those releases using gcc as proxy for detection.
-if [[ $GCCVERSION -lt 60000 ]]
-then
-  sed 's/hardening=+all$/hardening=+all,-pie/' -i debian/rules
-fi
-
-# Don't build rocksdb package if gcc version is less than 4.8 or we are running on
-# x86 32 bit.
-if [[ $GCCVERSION -lt 40800 ]] || [[ $(arch) =~ i[346]86 ]] || [[ $TRAVIS ]]
+# Don't build rocksdb package on x86 32 bit.
+if [[ $(arch) =~ i[346]86 ]]
 then
   sed '/Package: mariadb-plugin-rocksdb/,/^$/d' -i debian/control
 fi
@@ -112,26 +46,6 @@ then
   sed '/Package: mariadb-plugin-cassandra/,/^$/d' -i debian/control
 fi
 
-# From Debian Stretch/Ubuntu Bionic onwards dh-systemd is just an empty
-# transitional metapackage and the functionality was merged into debhelper.
-# In Ubuntu Hirsute is was completely removed, so it can't be referenced anymore.
-# Keep using it only on Debian Jessie and Ubuntu Xenial.
-if apt-cache madison dh-systemd | grep 'dh-systemd' >/dev/null 2>&1
-then
-  sed 's/debhelper (>= 9.20160709~),/debhelper (>= 9), dh-systemd,/' -i debian/control
-fi
-
-# Mroonga, TokuDB never built on Travis CI anyway, see build flags above
-if [[ $TRAVIS ]]
-then
-  sed -i -e "/Package: mariadb-plugin-tokudb/,/^$/d" debian/control
-  sed -i -e "/Package: mariadb-plugin-mroonga/,/^$/d" debian/control
-  sed -i -e "/Package: mariadb-plugin-spider/,/^$/d" debian/control
-  sed -i -e "/Package: mariadb-plugin-oqgraph/,/^$/d" debian/control
-  sed -i -e "/usr\/lib\/mysql\/plugin\/ha_sphinx.so/d" debian/mariadb-server-10.3.install
-  sed -i -e "/Package: libmariadbd-dev/,/^$/d" debian/control
-fi
-
 # Adjust changelog, add new version
 echo "Incrementing changelog and starting build scripts"
 
@@ -146,13 +60,6 @@ dch -b -D ${CODENAME} -v "${EPOCH}${UPSTREAM}${PATCHLEVEL}~${CODENAME}" "Automat
 
 echo "Creating package version ${EPOCH}${UPSTREAM}${PATCHLEVEL}~${CODENAME} ... "
 
-# On Travis CI, use -b to build binary only packages as there is no need to
-# waste time on generating the source package.
-if [[ $TRAVIS ]]
-then
-  BUILDPACKAGE_FLAGS="-b"
-fi
-
 # Build the package
 # Pass -I so that .git and other unnecessary temporary and source control files
 # will be ignored by dpkg-source when creating the tar.gz source package.
@@ -161,17 +68,13 @@ fakeroot dpkg-buildpackage -us -uc -I $BUILDPACKAGE_FLAGS -j$(nproc)
 # If the step above fails due to missing dependencies, you can manually run
 #   sudo mk-build-deps debian/control -r -i
 
-# Don't log package contents on Travis-CI to save time and log size
-if [[ ! $TRAVIS ]]
-then
-  echo "List package contents ..."
-  cd ..
-  for package in `ls *.deb`
-  do
-    echo $package | cut -d '_' -f 1
-    dpkg-deb -c $package | awk '{print $1 " " $2 " " $6}' | sort -k 3
-    echo "------------------------------------------------"
-  done
-fi
+echo "List package contents ..."
+cd ..
+for package in `ls *.deb`
+do
+  echo $package | cut -d '_' -f 1
+  dpkg-deb -c $package | awk '{print $1 " " $2 " " $6}' | sort -k 3
+  echo "------------------------------------------------"
+done
 
 echo "Build complete"

debian/control

@@ -5,10 +5,9 @@ Maintainer: MariaDB Developers <maria-developers@lists.launchpad.net>
 Build-Depends: bison,
                chrpath,
                cmake (>= 2.7),
-               debhelper (>= 9.20160709~),
+               debhelper (>= 10),
                dh-apparmor,
                dh-exec,
-               dh-systemd,
                gdb,
                libaio-dev [linux-any],
                libboost-dev,
@@ -427,7 +426,7 @@ Pre-Depends: adduser (>= 3.40),
              mariadb-common (>= ${source:Version})
 Depends: galera-3 (>=25.3),
          gawk,
-         iproute | iproute2,
+         iproute2,
          libdbi-perl,
          lsb-base (>= 3.0-10),
          lsof,

mysql-test/main/error_simulation.result

@@ -128,3 +128,13 @@ SELECT f1(1);
 Got one of the listed errors
 DROP FUNCTION f1;
 SET debug_dbug= @saved_dbug;
+#
+# MDEV-27978 wrong option name in error when exceeding max_session_mem_used
+#
+SET SESSION max_session_mem_used = 8192;
+SELECT * FROM information_schema.processlist;
+ERROR HY000: The MariaDB server is running with the --max-session-mem-used=8192 option so it cannot execute this statement
+SET SESSION max_session_mem_used = DEFAULT;
+#
+# End of 10.2 tests
+#

mysql-test/main/error_simulation.test

@@ -158,3 +158,16 @@ SET SESSION debug_dbug="+d,simulate_create_virtual_tmp_table_out_of_memory";
 SELECT f1(1);
 DROP FUNCTION f1;
 SET debug_dbug= @saved_dbug;
+
+--echo #
+--echo # MDEV-27978 wrong option name in error when exceeding max_session_mem_used
+--echo #
+SET SESSION max_session_mem_used = 8192;
+--error ER_OPTION_PREVENTS_STATEMENT
+SELECT * FROM information_schema.processlist;
+SET SESSION max_session_mem_used = DEFAULT;
+
+
+--echo #
+--echo # End of 10.2 tests
+--echo #

sql/mysqld.cc

@@ -4137,13 +4137,18 @@ static void my_malloc_size_cb_func(long long size, my_bool is_thread_specific)
       /* Ensure we don't get called here again */
       char buf[50], *buf2;
       thd->set_killed(KILL_QUERY);
-      my_snprintf(buf, sizeof(buf), "--max-thread-mem-used=%llu",
+      my_snprintf(buf, sizeof(buf), "--max-session-mem-used=%llu",
                   thd->variables.max_mem_used);
       if ((buf2= (char*) thd->alloc(256)))
       {
         my_snprintf(buf2, 256, ER_THD(thd, ER_OPTION_PREVENTS_STATEMENT), buf);
         thd->set_killed(KILL_QUERY, ER_OPTION_PREVENTS_STATEMENT, buf2);
       }
+      else
+      {
+        thd->set_killed(KILL_QUERY, ER_OPTION_PREVENTS_STATEMENT,
+                        "--max-session-mem-used");
+      }
     }
     DBUG_ASSERT((longlong) thd->status_var.local_memory_used >= 0 ||
                 !debug_assert_on_not_freed_memory);

sql/sys_vars.cc

@@ -6145,7 +6145,7 @@ static Sys_var_ulong Sys_log_tc_size(
        BLOCK_SIZE(my_getpagesize()));
 #endif
 
-static Sys_var_ulonglong Sys_max_thread_mem(
+static Sys_var_ulonglong Sys_max_session_mem_used(
        "max_session_mem_used", "Amount of memory a single user session "
        "is allowed to allocate. This limits the value of the "
        "session variable MEM_USED", SESSION_VAR(max_mem_used),