Merge tag 'upstream/5.5.57' into ubuntu-14.04

Upstream version 5.5.57

# gpg: Signature made su 23. heinäkuuta 2017 23.35.34 EEST
# gpg:                using RSA key BED8449FCEE8DA88
# gpg: Good signature from "Otto Kekäläinen <otto@seravo.fi>" [full]
# gpg:                 aka "Otto Kekäläinen <otto@kekalainen.net>" [full]
# gpg:                 aka "Otto Kekäläinen <otto@fsfe.org>" [full]
# gpg:                 aka "Otto Kekäläinen <otto@linux.com>" [full]
# gpg:                 aka "Otto Kekäläinen <otto.kekalainen@seravo.fi>" [full]
# gpg:                 aka "Otto Kekäläinen <otto@mariadb.org>" [undefined]
# gpg:                 aka "Otto Kekäläinen <otto@debian.org>" [undefined]
# gpg:                 aka "Otto Kekäläinen <otto@sange.fi>" [full]

mysql-test/suite/parts/t/quoting.test

+#
+# MDEV-13017 LOCK TABLE fails with irrelevant error while working with tables affected by ANSI_QUOTES
+#
+--source include/have_partition.inc
+set sql_mode=ansi_quotes;
+create table t1 (i int) partition by range (i) (partition flush values less than maxvalue);
+set sql_mode=default;
+lock tables t1 read local;
+unlock tables;
+drop table t1;

mysql-test/suite/perfschema/include/have_timer_cycle.inc

+if (!`SELECT count(*) FROM performance_schema.performance_timers WHERE timer_name='CYCLE' AND timer_frequency IS NOT NULL`)
+{
+  Skip Need performance timer CYCLE;
+}

mysql-test/suite/perfschema/r/privilege.result

@@ -554,7 +554,7 @@ ERROR 42000: DROP command denied to user 'pfs_user_4'@'localhost' for table 'eve
 #
 # Grant access to change tables with the root account
 GRANT UPDATE ON performance_schema.setup_consumers TO pfs_user_4;
-GRANT UPDATE ON performance_schema.setup_timers TO pfs_user_4;
+GRANT UPDATE, SELECT ON performance_schema.setup_timers TO pfs_user_4;
 GRANT UPDATE, SELECT ON performance_schema.setup_instruments TO pfs_user_4;
 GRANT DROP ON performance_schema.events_waits_current TO pfs_user_4;
 GRANT DROP ON performance_schema.events_waits_history TO pfs_user_4;
@@ -565,7 +565,7 @@ UPDATE performance_schema.setup_instruments SET enabled = 'YES'
 WHERE name LIKE 'wait/synch/mutex/%'
    OR name LIKE 'wait/synch/rwlock/%';
 UPDATE performance_schema.setup_consumers SET enabled = 'YES';
-UPDATE performance_schema.setup_timers SET timer_name = 'TICK';
+UPDATE performance_schema.setup_timers SET timer_name = 'TICK' WHERE name <> "wait";
 TRUNCATE TABLE performance_schema.events_waits_history_long;
 TRUNCATE TABLE performance_schema.events_waits_history;
 TRUNCATE TABLE performance_schema.events_waits_current;
@@ -575,4 +575,6 @@ DROP USER pfs_user_4;
 flush privileges;
 UPDATE performance_schema.setup_instruments SET enabled = 'YES', timed = 'YES';
 UPDATE performance_schema.setup_consumers SET enabled = 'YES';
-UPDATE performance_schema.setup_timers SET timer_name = 'CYCLE';
+UPDATE performance_schema.setup_timers SET timer_name = 'MICROSECOND' where name="idle";
+UPDATE performance_schema.setup_timers SET timer_name = 'NANOSECOND'  where name="stage";
+UPDATE performance_schema.setup_timers SET timer_name = 'NANOSECOND'  where name="statement";

mysql-test/suite/perfschema/t/dml_performance_timers.test

@@ -2,6 +2,7 @@
 
 --source include/not_embedded.inc
 --source include/have_perfschema.inc
+--source include/have_timer_cycle.inc
 
 --replace_column 2 <frequency> 3 <resolution> 4 <overhead>
 select * from performance_schema.performance_timers;

mysql-test/suite/perfschema/t/dml_setup_timers.test

@@ -2,6 +2,7 @@
 
 --source include/not_embedded.inc
 --source include/have_perfschema.inc
+--source include/have_timer_cycle.inc
 
 select * from performance_schema.setup_timers;
 

mysql-test/suite/perfschema/t/privilege.test

@@ -291,7 +291,7 @@ TRUNCATE TABLE performance_schema.events_waits_current;
 --echo # Grant access to change tables with the root account
 
 GRANT UPDATE ON performance_schema.setup_consumers TO pfs_user_4;
-GRANT UPDATE ON performance_schema.setup_timers TO pfs_user_4;
+GRANT UPDATE, SELECT ON performance_schema.setup_timers TO pfs_user_4;
 GRANT UPDATE, SELECT ON performance_schema.setup_instruments TO pfs_user_4;
 GRANT DROP ON performance_schema.events_waits_current TO pfs_user_4;
 GRANT DROP ON performance_schema.events_waits_history TO pfs_user_4;
@@ -308,7 +308,11 @@ WHERE name LIKE 'wait/synch/mutex/%'
 
 UPDATE performance_schema.setup_consumers SET enabled = 'YES';
 
-UPDATE performance_schema.setup_timers SET timer_name = 'TICK';
+# We do not touch "wait", to avoid restoring it at the end of the test,
+# as its default value initialized at server startup is ambiguous:
+# it can be CYCLE or NANOSECOND depending on platform
+
+UPDATE performance_schema.setup_timers SET timer_name = 'TICK' WHERE name <> "wait";
 
 TRUNCATE TABLE performance_schema.events_waits_history_long;
 TRUNCATE TABLE performance_schema.events_waits_history;
@@ -323,5 +327,9 @@ DROP USER pfs_user_4;
 flush privileges;
 UPDATE performance_schema.setup_instruments SET enabled = 'YES', timed = 'YES';
 UPDATE performance_schema.setup_consumers SET enabled = 'YES';
-UPDATE performance_schema.setup_timers SET timer_name = 'CYCLE';
 
+# Restore the default values for the timers that we changed.
+# Note, we did not touch "wait", see above.
+UPDATE performance_schema.setup_timers SET timer_name = 'MICROSECOND' where name="idle";
+UPDATE performance_schema.setup_timers SET timer_name = 'NANOSECOND'  where name="stage";
+UPDATE performance_schema.setup_timers SET timer_name = 'NANOSECOND'  where name="statement";

mysql-test/suite/rpl/r/rpl_mdev-11092.result

+include/master-slave.inc
+[connection master]
+call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
+call mtr.add_suppression("Slave SQL: The incident LOST_EVENTS occured on the master. .*");
+SET GLOBAL max_binlog_cache_size = 4096;
+SET GLOBAL binlog_cache_size = 4096;
+SET GLOBAL max_binlog_stmt_cache_size = 4096;
+SET GLOBAL binlog_stmt_cache_size = 4096;
+CREATE TABLE t1(a INT PRIMARY KEY, data VARCHAR(30000)) ENGINE=MYISAM;
+ERROR HY000: Writing one row to the row-based binary log failed
+include/wait_for_slave_sql_error_and_skip.inc [errno=1590]
+SET GLOBAL max_binlog_cache_size= ORIGINAL_VALUE;
+SET GLOBAL binlog_cache_size= ORIGINAL_VALUE;
+SET GLOBAL max_binlog_stmt_cache_size= ORIGINAL_VALUE;
+SET GLOBAL binlog_stmt_cache_size= ORIGINAL_VALUE;
+DROP TABLE t1;
+include/rpl_end.inc

mysql-test/suite/rpl/r/rpl_reset_slave_fail.result

+include/master-slave.inc
+[connection master]
+CREATE TABLE t1 (c1 INT);
+INSERT INTO t1 (c1) VALUES (1);
+include/stop_slave_sql.inc
+FLUSH LOGS;
+FLUSH LOGS;
+INSERT INTO t1 (c1) VALUES (2);
+include/sync_slave_io_with_master.inc
+call mtr.add_suppression("File '.*slave-relay-bin.");
+call mtr.add_suppression("Could not open log file");
+call mtr.add_suppression("Failed to open the relay log");
+call mtr.add_suppression("Failed to initialize the master info structure");
+include/rpl_stop_server.inc [server_number=2]
+# Removing  file(s)
+include/rpl_start_server.inc [server_number=2]
+START SLAVE;
+ERROR HY000: Could not initialize master info structure; more error messages can be found in the MariaDB error log
+START SLAVE;
+ERROR HY000: Could not initialize master info structure; more error messages can be found in the MariaDB error log
+RESET SLAVE;
+DROP TABLE t1;
+START SLAVE UNTIL MASTER_LOG_FILE= 'MASTER_LOG_FILE', MASTER_LOG_POS= MASTER_LOG_POS;;
+include/wait_for_slave_sql_to_stop.inc
+include/stop_slave_io.inc
+include/start_slave.inc
+include/diff_tables.inc [master:t1, slave:t1]
+DROP TABLE t1;
+include/rpl_end.inc

mysql-test/suite/rpl/t/rpl_mdev-11092.opt

+--binlog_checksum=1 --binlog-annotate-row-events=1

mysql-test/suite/rpl/t/rpl_mdev-11092.test

+--source include/have_innodb.inc
+--source include/master-slave.inc
+--source include/not_embedded.inc
+--source include/not_windows.inc
+--source include/have_binlog_format_row.inc
+
+########################################################################################
+call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
+call mtr.add_suppression("Slave SQL: The incident LOST_EVENTS occured on the master. .*");
+
+let $old_max_binlog_cache_size= query_get_value(SHOW VARIABLES LIKE "max_binlog_cache_size", Value, 1);
+let $old_binlog_cache_size= query_get_value(SHOW VARIABLES LIKE "binlog_cache_size", Value, 1);
+let $old_max_binlog_stmt_cache_size= query_get_value(SHOW VARIABLES LIKE "max_binlog_stmt_cache_size", Value, 1);
+let $old_binlog_stmt_cache_size= query_get_value(SHOW VARIABLES LIKE "binlog_stmt_cache_size", Value, 1);
+
+SET GLOBAL max_binlog_cache_size = 4096;
+SET GLOBAL binlog_cache_size = 4096;
+SET GLOBAL max_binlog_stmt_cache_size = 4096;
+SET GLOBAL binlog_stmt_cache_size = 4096;
+disconnect master;
+connect (master,127.0.0.1,root,,test,$MASTER_MYPORT,);
+
+CREATE TABLE t1(a INT PRIMARY KEY, data VARCHAR(30000)) ENGINE=MYISAM;
+
+let $data = `select concat('"', repeat('a',2000), '"')`;
+
+connection master;
+
+--disable_query_log
+--error ER_BINLOG_ROW_LOGGING_FAILED
+eval INSERT INTO t1 (a, data) VALUES (2,
+       CONCAT($data, $data, $data, $data, $data, $data));
+--enable_query_log
+
+# Incident event
+# 1590=ER_SLAVE_INCIDENT
+--let $slave_sql_errno= 1590
+--source include/wait_for_slave_sql_error_and_skip.inc
+
+connection master;
+
+--replace_result $old_max_binlog_cache_size ORIGINAL_VALUE
+--eval SET GLOBAL max_binlog_cache_size= $old_max_binlog_cache_size
+--replace_result $old_binlog_cache_size ORIGINAL_VALUE
+--eval SET GLOBAL binlog_cache_size= $old_binlog_cache_size
+--replace_result $old_max_binlog_stmt_cache_size ORIGINAL_VALUE
+--eval SET GLOBAL max_binlog_stmt_cache_size= $old_max_binlog_stmt_cache_size
+--replace_result $old_binlog_stmt_cache_size ORIGINAL_VALUE
+--eval SET GLOBAL binlog_stmt_cache_size= $old_binlog_stmt_cache_size
+
+DROP TABLE t1;
+
+--source include/rpl_end.inc

mysql-test/suite/rpl/t/rpl_reset_slave_fail.test

+###############################################################################
+# Bug#24901077: RESET SLAVE ALL DOES NOT ALWAYS RESET SLAVE
+#
+# Problem:
+# =======
+# If you have a relay log index file that has ended up with
+# some relay log files that do not exists, then RESET SLAVE
+# ALL is not enough to get back to a clean state.
+###############################################################################
+# Remove all slave-relay-bin.0* files (do not remove slave-relay-bin.index)
+# During server restart rli initialization will fail as there are no
+# relay logs.  In case of bug RESET SLAVE will not do the required clean up
+# as rli is not inited and subsequent START SLAVE will fail.
+# Disable "Warning  1612  Being purged log ./slave-relay-bin.0* was not found"
+# because it is different on Unix and Windows systems.
+
+--source include/have_binlog_format_mixed.inc
+--source include/master-slave.inc
+
+--connection master
+CREATE TABLE t1 (c1 INT);
+INSERT INTO t1 (c1) VALUES (1);
+--sync_slave_with_master
+
+--connection slave
+--source include/stop_slave_sql.inc
+--let $MYSQLD_SLAVE_DATADIR= `select @@datadir`
+
+--connection master
+# Generate more relay logs on slave.
+FLUSH LOGS;
+FLUSH LOGS;
+INSERT INTO t1 (c1) VALUES (2);
+
+--source include/sync_slave_io_with_master.inc
+call mtr.add_suppression("File '.*slave-relay-bin.");
+call mtr.add_suppression("Could not open log file");
+call mtr.add_suppression("Failed to open the relay log");
+call mtr.add_suppression("Failed to initialize the master info structure");
+
+# Stop slave
+--let $rpl_server_number= 2
+--source include/rpl_stop_server.inc
+
+# Delete file(s)
+--echo # Removing $remove_pattern file(s)
+--let $remove_pattern= slave-relay-bin.0*
+--remove_files_wildcard $MYSQLD_SLAVE_DATADIR $remove_pattern
+
+# Start slave
+--let $rpl_server_number= 2
+--source include/rpl_start_server.inc
+
+# Start slave must fail because of the removed file(s).
+--error ER_MASTER_INFO
+START SLAVE;
+
+# Try a second time, it must fail again.
+--error ER_MASTER_INFO
+START SLAVE;
+
+# Retrieve master executed position before reset slave.
+--let $master_exec_file= query_get_value("SHOW SLAVE STATUS", Relay_Master_Log_File, 1)
+--let $master_exec_pos= query_get_value("SHOW SLAVE STATUS", Exec_Master_Log_Pos, 1)
+
+# Reset slave.
+# Disable "Warning  1612  Being purged log ./slave-relay-bin.0* was not found"
+# because it is different on Unix and Windows systems.
+--disable_warnings
+RESET SLAVE;
+--enable_warnings
+DROP TABLE t1;
+--replace_result $master_exec_file MASTER_LOG_FILE $master_exec_pos MASTER_LOG_POS
+--eval START SLAVE UNTIL MASTER_LOG_FILE= '$master_exec_file', MASTER_LOG_POS= $master_exec_pos;
+--source include/wait_for_slave_sql_to_stop.inc
+--source include/stop_slave_io.inc
+
+# Start slave.
+--source include/start_slave.inc
+
+--connection master
+--sync_slave_with_master
+# Check consistency.
+--let $diff_tables= master:t1, slave:t1
+--source include/diff_tables.inc
+
+# Cleanup
+--connection master
+DROP TABLE t1;
+--sync_slave_with_master
+--source include/rpl_end.inc

mysql-test/t/binary_to_hex.test

+# === Purpose ===
+# The purpose of this test case is to make
+# sure that the binary data in tables is printed
+# as hex when the option binary-as-hex is enabled.
+#
+# === Related bugs and/or worklogs ===
+# Bug #25340722 - PRINT BINARY DATA AS HEX IN THE MYSQL
+#                 CLIENT (CONTRIBUTION)
+#
+
+# Save the initial number of concurrent sessions
+--source include/count_sessions.inc
+--source include/not_embedded.inc
+
+USE test;
+--disable_warnings
+DROP TABLE IF EXISTS t1, t2;
+--enable_warnings
+
+CREATE TABLE t1 (c1  TINYBLOB,
+                 c2  BLOB,
+                 c3  MEDIUMBLOB,
+                 c4  LONGBLOB,
+                 c5  TEXT,
+                 c6  BIT(1),
+                 c7  CHAR,
+                 c8  VARCHAR(10),
+                 c9  GEOMETRY) CHARACTER SET = binary;
+
+SHOW CREATE TABLE t1;
+
+INSERT INTO t1 VALUES ('tinyblob-text readable', 'blob-text readable',
+                       'mediumblob-text readable', 'longblob-text readable',
+                       'text readable', b'1', 'c', 'variable',
+                        POINT(1, 1));
+
+CREATE TABLE t2(id int, `col1` binary(10),`col2` blob);
+
+SHOW CREATE TABLE t2;
+
+INSERT INTO t2 VALUES (1, X'AB1234', X'123ABC'), (2, X'DE1234', X'123DEF');
+
+--echo #Print the table contents when binary-as-hex option is off.
+--replace_column 6 # 9 #
+SELECT * FROM t1;
+
+--replace_column 2 # 3 #
+SELECT * FROM t2;
+
+--echo #Print the table contents after turning on the binary-as-hex option
+--echo
+--echo #Print the table contents in tab format
+--echo
+--exec $MYSQL test --binary-as-hex -e "SELECT * FROM t1; SELECT * FROM t2;"
+--echo
+--echo #Print the table contents in table format
+--echo
+--exec $MYSQL test --binary-as-hex --table -e "SELECT * FROM t1; SELECT * FROM t2 WHERE col2=0x123ABC;"
+--echo
+--echo #Print the table contents vertically
+--echo
+--exec $MYSQL test --binary-as-hex --vertical -e "SELECT * FROM t1;"
+--echo
+--echo #Print the table contents in xml format
+--echo
+--exec $MYSQL test --binary-as-hex --xml -e "SELECT * FROM t1; SELECT * FROM t2;"
+--echo
+--echo #Print the table contents in html format
+--echo
+--exec $MYSQL test --binary-as-hex --html -e "SELECT * FROM t1; SELECT * FROM t2;"
+
+#Cleanup
+DROP TABLE t1, t2;
+
+# Wait till all disconnects are completed
+ --source include/wait_until_count_sessions.inc

mysql-test/t/bootstrap.test

@@ -60,4 +60,10 @@ SHOW VARIABLES LIKE 'have_innodb';
 SELECT 'bug' as '' FROM INFORMATION_SCHEMA.ENGINES WHERE engine='innodb'
  and SUPPORT='YES';
 
+#
+# MDEV-13063 Server crashes in intern_plugin_lock or assertion `plugin_ptr->ref_count == 1' fails in plugin_init
+#
+--error 1
+--exec $MYSQLD_BOOTSTRAP_CMD --myisam_recover_options=NONE
+
 --echo End of 5.5 tests

mysql-test/t/count_distinct.test

@@ -107,3 +107,19 @@ create view v1 as select * from t1;
 select count(distinct i) from v1;
 drop table t1;
 drop view v1;
+
+#
+# MDEV-12136 SELECT COUNT(DISTINCT) returns the wrong value when tmp_table_size is limited
+#
+create table t1 (user_id char(64) character set utf8);
+insert t1 values(1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12),(13),(14),(15),(16),(17);
+set @@tmp_table_size = 1024;
+select count(distinct user_id) from t1;
+alter table t1 modify user_id char(128) character set utf8;
+select count(distinct user_id) from t1;
+drop table t1;
+set @@tmp_table_size = default;
+
+#
+# End of 5.5 tests
+#

mysql-test/t/derived_view.test

@@ -1881,6 +1881,56 @@ deallocate prepare stmt1;
 
 drop table t1,t2;
 
+--echo #
+--echo # Bug mdev-12670: mergeable derived / view with subqueries
+--echo #                 subject to semi-join optimizations
+--echo # (actually this is a 5.3 bug.)               
+--echo #
+
+create table t1 (a int) engine=myisam;
+insert into t1  values (5),(3),(2),(7),(2),(5),(1); 
+create table t2 (b int, index idx(b)) engine=myisam;
+insert into t2 values (2),(3),(2),(1),(3),(4);
+insert into t2 select b+10 from t2;
+insert into t2 select b+10 from t2;
+insert into t2 select b+10 from t2;
+insert into t2 select b+10 from t2;
+insert into t2 select b+10 from t2;
+insert into t2 select b+10 from t2;
+insert into t2 select b+10 from t2;
+insert into t2 select b+10 from t2;
+insert into t2 select b+10 from t2;
+insert into t2 select b+10 from t2;
+analyze table t1,t2;
+
+explain select a from t1 where a in (select b from t2); 
+explain select * from (select a from t1 where a in (select b from t2)) t;
+create view v1 as select a from t1 where a in (select b from t2);
+explain select * from v1;
+
+drop view v1;
+drop table t1,t2;
+
+--echo #
+--echo # Bug mdev-12812: mergeable derived / view with subqueries
+--echo #                 NOT subject to semi-join optimizations
+--echo #
+
+CREATE TABLE t1 (c1 varchar(3)) ENGINE=MyISAM;
+INSERT INTO t1 VALUES ('foo'),('foo');
+
+CREATE TABLE t2 (c2 varchar(3)) ENGINE=MyISAM;
+INSERT INTO t2 VALUES ('bar'),('qux'),('foo');
+
+let $q=
+SELECT STRAIGHT_JOIN * 
+  FROM ( SELECT * FROM t1 WHERE c1 IN ( SELECT c2 FROM t2 ) ) AS sq;
+
+eval $q;
+eval EXPLAIN EXTENDED $q;
+
+DROP TABLE t1, t2;
+
 # The following command must be the last one the file 
 set optimizer_switch=@exit_optimizer_switch;
 set join_cache_level=@exit_join_cache_level;

mysql-test/t/group_by.test

@@ -1703,6 +1703,44 @@ select a as x from t1 group by x having x > 1;
 select a from t1 group by a having a > 1;
 drop table t1;
 set sql_mode= @save_sql_mode;
+
+#
+# MDEV-7826 Server crashes in Item_subselect::enumerate_field_refs_processor
+#
+create table t1 (f1 int);
+insert into t1 values (5),(9);
+create table t2 (f2 int);
+insert into t2 values (0),(6);
+create table t3 (f3 int);
+insert into t3 values (6),(3);
+create table t4 (f4 int);
+insert into t4 values (1),(0);
+--error ER_ILLEGAL_REFERENCE
+select
+(select min(f1) from t1 where f1 in (select min(f4) from t2)) as field7,
+(select count(*) from t3 where f3 in (select max(f4) from t2 group by field7))
+from t4;
+drop table t1, t2, t3, t4;
+
+#
+# MDEV-13180 Unused left join causes server crash
+#
+create table t1 (i1 int);
+insert into t1 values (1);
+create table t2 (i int);
+insert into t2 values (2);
+select 1 from t1 left join t2 b on b.i = (select max(b.i) from t2);
+drop table t1, t2;
+
+
+#
+# MDEV-12489 The select stmt may fail due to "having clause is ambiguous" unexpected
+#
+create table t1 (c1 int, c2 int);
+create table t2 (c1 int, c2 int);
+select t1.c1 as c1, t2.c2 as c1 from t1, t2 where t1.c1 < 20 and t2.c2 > 5 group by t1.c1, t2.c2 having t1.c1 < 3;
+drop table t1, t2;
+
 #
 # End of MariaDB 5.5 tests
 #

mysql-test/t/join_outer.test

@@ -1801,4 +1801,86 @@ SELECT * FROM t1 INNER JOIN t2 ON c = b LEFT JOIN t3 ON d = a
 DROP TABLE t1,t2,t3;
 
 
+--echo #
+--echo # MDEV-11958: LEFT JOIN with stored routine produces incorrect result
+--echo #
+
+CREATE TABLE t (x INT);
+INSERT INTO t VALUES(1),(NULL);
+CREATE FUNCTION f (val INT, ret INT) RETURNS INT DETERMINISTIC RETURN IFNULL(val, ret);
+
+SELECT t1.x, t2.x, IFNULL(t2.x,0), f(t2.x,0)
+                            FROM t t1 LEFT JOIN t t2
+                            ON t1.x = t2.x
+                            WHERE IFNULL(t2.x,0)=0;
+explain extended
+SELECT t1.x, t2.x, IFNULL(t2.x,0), f(t2.x,0)
+                            FROM t t1 LEFT JOIN t t2
+                            ON t1.x = t2.x
+                            WHERE IFNULL(t2.x,0)=0;
+SELECT t1.x, t2.x, IFNULL(t2.x,0), f(t2.x,0)
+                            FROM t t1 LEFT JOIN t t2
+                            ON t1.x = t2.x
+                            WHERE f(t2.x,0)=0;
+explain extended
+SELECT t1.x, t2.x, IFNULL(t2.x,0), f(t2.x,0)
+                            FROM t t1 LEFT JOIN t t2
+                            ON t1.x = t2.x
+                            WHERE f(t2.x,0)=0;
+
+drop function f;
+drop table t;
+CREATE TABLE t1 (
+ col1 DECIMAL(33,5) NULL DEFAULT NULL,
+ col2 DECIMAL(33,5) NULL DEFAULT NULL
+);
+
+CREATE TABLE t2 (
+ col1 DECIMAL(33,5) NULL DEFAULT NULL,
+ col2 DECIMAL(33,5) NULL DEFAULT NULL,
+ col3 DECIMAL(33,5) NULL DEFAULT NULL
+);
+
+INSERT INTO t1 VALUES (2, 1.1), (2, 2.1);
+INSERT INTO t2 VALUES (3, 3.1, 4), (1, 1, NULL);
+
+DELIMITER |;
+
+CREATE FUNCTION f1 ( p_num DECIMAL(45,15), p_return DECIMAL(45,15))
+RETURNS decimal(33,5)
+LANGUAGE SQL
+DETERMINISTIC
+CONTAINS SQL
+SQL SECURITY INVOKER
+BEGIN
+  IF p_num IS NULL THEN
+    RETURN p_return;
+  ELSE
+    RETURN p_num;
+  END IF;
+END |
+
+DELIMITER ;|
+
+let $q1=
+SELECT t1.col1, t2.col1, t2.col3
+FROM t1 LEFT OUTER JOIN t2 ON t1.col1 = t2.col2
+WHERE IFNULL(t2.col3,0) = 0;
+
+eval $q1;
+eval EXPLAIN EXTENDED $q1;
+
+let $q2=
+SELECT t1.col1, t2.col1, t2.col3
+FROM t1 LEFT OUTER JOIN t2 ON t1.col1 = t2.col2
+WHERE f1(t2.col3,0) = 0;
+eval $q2;
+eval EXPLAIN EXTENDED $q2;
+
+DROP FUNCTION f1;
+
+DROP TABLE t1,t2;
+
+--echo # end of 5.5 tests
+
 SET optimizer_switch=@save_optimizer_switch;

mysql-test/t/mysql.test

@@ -618,3 +618,33 @@ EOF
 
 --echo
 --echo End of tests
+
+#
+# MDEV-13187 incorrect backslash parsing in clients
+#
+create table `a1\``b1` (a int);
+show tables;
+insert `a1\``b1` values (1),(2);
+show create table `a1\``b1`;
+--exec $MYSQL_DUMP --compact test
+--exec $MYSQL_DUMP test > $MYSQLTEST_VARDIR/tmp/bug.sql
+insert `a1\``b1` values (4),(5);
+--exec $MYSQL test < $MYSQLTEST_VARDIR/tmp/bug.sql
+show create table `a1\``b1`;
+select * from `a1\``b1`;
+drop table `a1\``b1`;
+
+# same with ansi_quotes
+set sql_mode=ansi_quotes;
+create table "a1\""b1" (a int);
+show tables;
+insert "a1\""b1" values (1),(2);
+show create table "a1\""b1";
+--exec $MYSQL_DUMP --compact --compatible=postgres test
+--exec $MYSQL_DUMP --compatible=postgres test > $MYSQLTEST_VARDIR/tmp/bug.sql
+insert "a1\""b1" values (4),(5);
+--exec $MYSQL test < $MYSQLTEST_VARDIR/tmp/bug.sql
+show create table "a1\""b1";
+select * from "a1\""b1";
+drop table "a1\""b1";
+set sql_mode=default;

mysql-test/t/mysqltest.test

@@ -2942,11 +2942,17 @@ disconnect $x;
 # Disconnect the selected connection
 disconnect $y;
 --echo $CURRENT_CONNECTION
+connection default;
 
+#
+# MDEV-13187 incorrect backslash parsing in clients
+#
+set sql_mode=no_backslash_escapes;
+select "foo\""bar";
+set sql_mode=default;
 
 --echo End of tests
 
-connection default;
 # Wait till we reached the initial number of concurrent sessions
 --source include/wait_until_count_sessions.inc
 

mysql-test/t/read_only.test

@@ -80,6 +80,9 @@ insert into t3 values(1);
 
 insert into t4 select * from t3;
 
+--error ER_OPTION_PREVENTS_STATEMENT
+create table t3 (a int);
+
 # a non-temp table updated:
 --error ER_OPTION_PREVENTS_STATEMENT
 update t1,t3 set t1.a=t3.a+1 where t1.a=t3.a;