Adding upstream version 1:10.11.6.upstream/1%10.11.6

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 661 insertions, 0 deletions

diff --git a/mysql-test/suite/heap/heap.test b/mysql-test/suite/heap/heap.test
new file mode 100644
index 00000000..ef950da5
--- /dev/null
+++ b/mysql-test/suite/heap/heap.test
@@ -0,0 +1,661 @@
+#
+# Test of heap tables.
+#
+
+--disable_warnings
+drop table if exists t1,t2,t3;
+--enable_warnings
+
+create table t1 (a int not null,b int not null, primary key (a)) engine=heap comment="testing heaps" avg_row_length=100 min_rows=1 max_rows=100;
+insert into t1 values(1,1),(2,2),(3,3),(4,4);
+delete from t1 where a=1 or a=0;
+#show table status like "t1";
+show keys from t1;
+select * from t1;
+select * from t1 where a=4;
+update t1 set b=5 where a=4;
+update t1 set b=b+1 where a>=3;
+replace t1 values (3,3);
+select * from t1;
+alter table t1 add c int not null, add key (c,a);
+drop table t1;
+
+create table t1 (a int not null,b int not null, primary key (a)) engine=memory comment="testing heaps";
+insert into t1 values(1,1),(2,2),(3,3),(4,4);
+delete from t1 where a > 0;
+select * from t1;
+drop table t1;
+
+create table t1 (a int not null,b int not null, primary key (a)) engine=heap comment="testing heaps";
+insert into t1 values(1,1),(2,2),(3,3),(4,4);
+alter table t1 modify a int not null auto_increment, engine=myisam, comment="new myisam table";
+#show table status like "t1";
+select * from t1;
+drop table t1;
+
+create table t1 (a int not null) engine=heap;
+insert into t1 values (869751),(736494),(226312),(802616),(728912);
+select * from t1 where a > 736494;
+alter table t1 add unique uniq_id(a);
+select * from t1 where a > 736494;
+select * from t1 where a = 736494;
+select * from t1 where a=869751 or a=736494;
+select * from t1 where a in (869751,736494,226312,802616);
+alter table t1 engine=myisam;
+explain select * from t1 where a in (869751,736494,226312,802616);
+drop table t1;
+
+create table t1 (x int not null, y int not null, key x (x), unique y (y))
+engine=heap;
+insert into t1 values (1,1),(2,2),(1,3),(2,4),(2,5),(2,6);
+select * from t1 where x=1;
+select * from t1,t1 as t2 where t1.x=t2.y;
+explain select * from t1,t1 as t2 where t1.x=t2.y;
+drop table t1;
+
+create table t1 (a int) engine=heap;
+insert into t1 values(1);
+select max(a) from t1;
+drop table t1;
+
+CREATE TABLE t1 ( a int not null default 0, b int not null default 0,  key(a),  key(b)  ) ENGINE=HEAP;
+insert into t1 values(1,1),(1,2),(2,3),(1,3),(1,4),(1,5),(1,6);
+select * from t1 where a=1; 
+insert into t1 values(1,1),(1,2),(2,3),(1,3),(1,4),(1,5),(1,6);
+select * from t1 where a=1;
+drop table t1;
+
+create table t1 (id int unsigned not null, primary key (id)) engine=HEAP;
+insert into t1 values(1);
+select max(id) from t1; 
+insert into t1 values(2);
+select max(id) from t1; 
+replace into t1 values(1);
+drop table t1;
+
+create table t1 (n int) engine=heap;
+drop table t1;
+
+create table t1 (n int) engine=heap;
+drop table if exists t1;
+
+# Test of non unique index
+
+CREATE table t1(f1 int not null,f2 char(20) not 
+null,index(f2)) engine=heap;
+INSERT into t1 set f1=12,f2="bill";
+INSERT into t1 set f1=13,f2="bill";
+INSERT into t1 set f1=14,f2="bill";
+INSERT into t1 set f1=15,f2="bill";
+INSERT into t1 set f1=16,f2="ted";
+INSERT into t1 set f1=12,f2="ted";
+INSERT into t1 set f1=12,f2="ted";
+INSERT into t1 set f1=12,f2="ted";
+INSERT into t1 set f1=12,f2="ted";
+delete from t1 where f2="bill";
+select * from t1;
+drop table t1;
+
+#
+# Test when using part key searches
+#
+
+create table t1 (btn char(10) not null, key(btn)) engine=heap;
+insert into t1 values ("hello"),("hello"),("hello"),("hello"),("hello"),("a"),("b"),("c"),("d"),("e"),("f"),("g"),("h"),("i");
+explain select * from t1 where btn like "q%";
+select * from t1 where btn like "q%";
+alter table t1 add column new_col char(1) not null, add key (btn,new_col), drop key btn;
+update t1 set new_col=left(btn,1);
+explain select * from t1 where btn="a";
+explain select * from t1 where btn="a" and new_col="a";
+drop table t1;
+
+#
+# Test of NULL keys
+#
+
+CREATE TABLE t1 (
+  a int default NULL,
+  b int default NULL,
+  KEY a (a),
+  UNIQUE b (b)
+) engine=heap;
+INSERT INTO t1 VALUES (NULL,99),(99,NULL),(1,1),(2,2),(1,3);
+SELECT * FROM t1 WHERE a=NULL;
+explain SELECT * FROM t1 WHERE a IS NULL;
+SELECT * FROM t1 WHERE a<=>NULL;
+SELECT * FROM t1 WHERE b=NULL;
+explain SELECT * FROM t1 WHERE b IS NULL;
+SELECT * FROM t1 WHERE b<=>NULL;
+
+--error ER_DUP_ENTRY
+INSERT INTO t1 VALUES (1,3);
+DROP TABLE t1;
+
+CREATE TABLE t1 (
+  a int default NULL,
+  key a (a)
+) ENGINE=HEAP;
+INSERT INTO t1 VALUES (10), (10), (10);
+EXPLAIN SELECT * FROM t1 WHERE a=10;
+SELECT * FROM t1 WHERE a=10;
+DROP TABLE t1;
+
+#
+# Test when deleting all rows
+#
+
+CREATE TABLE t1 (a int not null, primary key(a)) engine=heap;
+INSERT into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11);
+DELETE from t1 where a < 100;
+SELECT * from t1;
+DROP TABLE t1;
+
+#
+# Bug#4411 Server hangs when trying to SELECT MAX(id) from an empty HEAP table
+#
+CREATE TABLE `job_titles` (
+  `job_title_id` int(6) unsigned NOT NULL default '0',
+  `job_title` char(18) NOT NULL default '',
+  PRIMARY KEY  (`job_title_id`),
+  UNIQUE KEY `job_title_id` (`job_title_id`,`job_title`)
+) ENGINE=HEAP;
+
+SELECT MAX(job_title_id) FROM job_titles;
+
+DROP TABLE job_titles;
+
+#
+# Test of delete with NOT NULL
+# (Bug #6082)
+#
+
+CREATE TABLE t1 (a INT NOT NULL, B INT, KEY(B)) ENGINE=HEAP;
+INSERT INTO t1 VALUES(1,1), (1,NULL);
+SELECT * FROM t1 WHERE B is not null;
+DROP TABLE t1;
+
+#
+# Bug #6748
+# heap_rfirst() doesn't work (and never did!)
+#
+CREATE TABLE t1 (pseudo char(35) PRIMARY KEY, date int(10) unsigned NOT NULL) ENGINE=HEAP;
+INSERT INTO t1 VALUES ('massecot',1101106491),('altec',1101106492),('stitch+',1101106304),('Seb Corgan',1101106305),('beerfilou',1101106263),('flaker',1101106529),('joce8',5),('M4vrick',1101106418),('gabay008',1101106525),('Vamp irX',1101106291),('ZoomZip',1101106546),('rip666',1101106502),('CBP ',1101106397),('guezpard',1101106496);
+DELETE FROM t1 WHERE date<1101106546;
+SELECT * FROM t1;
+DROP TABLE t1;
+
+#
+# Bug #6878: a problem with small length records
+#
+
+create table t1(a char(2)) engine=memory;
+insert into t1 values (NULL), (NULL);
+delete from t1 where a is null;
+insert into t1 values ('2'), ('3');
+select * from t1;
+drop table t1;
+
+#
+# Test varchar
+# We can't use varchar.inc becasue heap doesn't support blob's
+#
+
+let $default=`select @@default_storage_engine`;
+set default_storage_engine=HEAP;
+
+#
+# Simple basic test that endspace is saved
+#
+
+create table t1 (v varchar(10), c char(10), t varchar(50));
+insert into t1 values('+ ', '+ ', '+ ');
+set @a=repeat(' ',20);
+insert into t1 values (concat('+',@a),concat('+',@a),concat('+',@a));
+select concat('*',v,'*',c,'*',t,'*') from t1;
+
+# Check how columns are copied
+show create table t1;
+create table t2 like t1;
+show create table t2;
+create table t3 select * from t1;
+show create table t3;
+alter table t1 modify c varchar(10);
+show create table t1;
+alter table t1 modify v char(10);
+show create table t1;
+SET STATEMENT sql_mode = 'NO_ENGINE_SUBSTITUTION' FOR
+alter table t1 modify t varchar(10);
+show create table t1;
+select concat('*',v,'*',c,'*',t,'*') from t1;
+drop table t1,t2,t3;
+
+#
+# Testing of keys
+#
+create table t1 (v varchar(10), c char(10), t varchar(50), key(v), key(c), key(t(10)));
+show create table t1;
+--disable_query_log
+begin;
+let $1=10;
+while ($1)
+{
+  let $2=27;
+  eval set @space=repeat(' ',10-$1);
+  while ($2)
+  {
+    eval set @char=char(ascii('a')+$2-1);
+    insert into t1 values(concat(@char,@space),concat(@char,@space),concat(@char,@space));
+    dec $2;
+  }
+  dec $1;
+}
+commit;
+--enable_query_log
+
+select count(*) from t1;
+insert into t1 values(concat('a',char(1)),concat('a',char(1)),concat('a',char(1)));
+select count(*) from t1 where v='a';
+select count(*) from t1 where c='a';
+select count(*) from t1 where t='a';
+select count(*) from t1 where v='a  ';
+select count(*) from t1 where c='a  ';
+select count(*) from t1 where t='a  ';
+select count(*) from t1 where v between 'a' and 'a ';
+select count(*) from t1 where v between 'a' and 'a ' and v between 'a  ' and 'b\n';
+select count(*) from t1 where v like 'a%';
+select count(*) from t1 where c like 'a%';
+select count(*) from t1 where t like 'a%';
+select count(*) from t1 where v like 'a %';
+explain select count(*) from t1 where v='a  ';
+explain select count(*) from t1 where c='a  ';
+explain select count(*) from t1 where t='a  ';
+explain select count(*) from t1 where v like 'a%';
+explain select count(*) from t1 where v between 'a' and 'a ';
+explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a  ' and 'b\n';
+
+--error ER_DUP_ENTRY
+alter table t1 add unique(v);
+select concat('*',v,'*',c,'*',t,'*') as qq from t1 where v='a' order by length(concat('*',v,'*',c,'*',t,'*'));
+explain select * from t1 where v='a';
+
+# GROUP BY
+
+select v,count(*) from t1 group by v limit 10;
+select v,count(t) from t1 group by v limit 10;
+select v,count(c) from t1 group by v limit 10;
+select sql_big_result trim(v),count(t) from t1 group by v limit 10;
+select sql_big_result trim(v),count(c) from t1 group by v limit 10;
+select c,count(*) from t1 group by c limit 10;
+select c,count(t) from t1 group by c limit 10;
+select sql_big_result c,count(t) from t1 group by c limit 10;
+select t,count(*) from t1 group by t limit 10;
+select t,count(t) from t1 group by t limit 10;
+select sql_big_result trim(t),count(t) from t1 group by t limit 10;
+drop table t1;
+
+#
+# Test unique keys
+#
+
+create table t1 (a char(10), unique (a));
+insert into t1 values ('a');
+--error ER_DUP_ENTRY
+insert into t1 values ('a ');
+
+alter table t1 modify a varchar(10);
+--error ER_DUP_ENTRY
+insert into t1 values ('a '),('a  '),('a   '),('a         ');
+--error ER_DUP_ENTRY
+insert into t1 values ('a     ');
+--error ER_DUP_ENTRY
+insert into t1 values ('a          ');
+--error ER_DUP_ENTRY
+insert into t1 values ('a ');
+update t1 set a='a      ' where a like 'a ';
+update t1 set a='a  ' where a like 'a      ';
+drop table t1;
+
+#
+# Testing of btree keys
+#
+
+create table t1 (v varchar(10), c char(10), t varchar(50), key using btree (v), key using btree (c), key using btree (t(10)));
+show create table t1;
+--disable_query_log
+begin;
+let $1=10;
+while ($1)
+{
+  let $2=27;
+  eval set @space=repeat(' ',10-$1);
+  while ($2)
+  {
+    eval set @char=char(ascii('a')+$2-1);
+    insert into t1 values(concat(@char,@space),concat(@char,@space),concat(@char,@space));
+    dec $2;
+  }
+  dec $1;
+}
+delete from t1 where v like 'a%' and length(v) > 7;
+commit;
+--enable_query_log
+select count(*) from t1;
+insert into t1 values(concat('a',char(1)),concat('a',char(1)),concat('a',char(1)));
+select count(*) from t1 where v='a';
+select count(*) from t1 where c='a';
+select count(*) from t1 where t='a';
+select count(*) from t1 where v='a  ';
+select count(*) from t1 where c='a  ';
+select count(*) from t1 where t='a  ';
+select count(*) from t1 where v between 'a' and 'a ';
+--replace_column 9 #
+select count(*) from t1 where v between 'a' and 'a ' and v between 'a  ' and 'b\n';
+--replace_column 9 #
+explain select count(*) from t1 where v='a  ';
+--replace_column 9 #
+explain select count(*) from t1 where c='a  ';
+--replace_column 9 #
+explain select count(*) from t1 where t='a  ';
+--replace_column 9 #
+explain select count(*) from t1 where v like 'a%';
+--replace_column 9 #
+explain select count(*) from t1 where v between 'a' and 'a ';
+--replace_column 9 #
+explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a  ' and 'b\n';
+
+--error ER_DUP_ENTRY
+alter table t1 add unique(v);
+select concat('*',v,'*',c,'*',t,'*') as qq from t1 where v='a' order by length(concat('*',v,'*',c,'*',t,'*'));
+# Number of rows is not constant for b-trees keys
+--replace_column 9 #
+explain select * from t1 where v='a';
+
+drop table t1;
+
+#
+# Test unique btree keys
+#
+
+create table t1 (a char(10), unique using btree (a)) engine=heap;
+insert into t1 values ('a');
+--error ER_DUP_ENTRY
+insert into t1 values ('a ');
+
+alter table t1 modify a varchar(10);
+--error ER_DUP_ENTRY
+insert into t1 values ('a '),('a  '),('a   '),('a         ');
+--error ER_DUP_ENTRY
+insert into t1 values ('a     ');
+--error ER_DUP_ENTRY
+insert into t1 values ('a          ');
+--error ER_DUP_ENTRY
+insert into t1 values ('a ');
+update t1 set a='a      ' where a like 'a ';
+update t1 set a='a  ' where a like 'a      ';
+drop table t1;
+
+#
+# test show create table
+#
+
+create table t1 (v varchar(10), c char(10), t varchar(50), key(v(5)), key(c(5)), key(t(5)));
+show create table t1;
+drop table t1;
+
+create table t1 (v varchar(65530), key(v(10)));
+show create table t1;
+insert into t1 values(repeat('a',65530));
+select length(v) from t1 where v=repeat('a',65530);
+drop table t1;
+
+#
+# Reset varchar test
+#
+eval set default_storage_engine=$default;
+
+#
+# Bug #8489: Strange auto_increment behaviour
+#
+
+create table t1 (a bigint unsigned auto_increment primary key, b int,
+  key (b, a)) engine=heap;
+insert t1 (b) values (1),(1),(1),(1),(1),(1),(1),(1);
+select * from t1;
+drop table t1;
+
+create table t1 (a int not null, b int not null auto_increment,
+  primary key(a, b), key(b)) engine=heap;
+insert t1 (a) values (1),(1),(1),(1),(1),(1),(1),(1);
+select * from t1;
+drop table t1;
+
+--error 1075
+create table t1 (a int not null, b int not null auto_increment,
+  primary key(a, b)) engine=heap;
+
+#
+# Bug #10566: Verify that we can create a prefixed key with length > 255
+#
+create table t1 (c char(255), primary key(c(90)));
+insert into t1 values ("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
+--error ER_DUP_ENTRY
+insert into t1 values ("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
+drop table t1;
+
+#
+# Bug 12796: Record doesn't show when selecting through index
+#
+CREATE TABLE t1 (a int, key(a)) engine=heap;
+insert into t1 values (0);
+delete from t1;
+select * from t1;
+insert into t1 values (0), (1);
+select * from t1 where a = 0;
+drop table t1;
+
+# End of 4.1 tests
+
+#
+# Bug #3094: Row format of memory tables should always be reported as Fixed
+#
+create table t1 (c char(10)) engine=memory;
+create table t2 (c varchar(10)) engine=memory;
+--replace_column 8 # 12 #
+show table status like 't_';
+drop table t1, t2;
+
+#
+# BUG#18233 - Memory tables INDEX USING HASH (a,b) returns 1 row on
+#             SELECT WHERE a= AND b=
+#
+CREATE TABLE t1(a VARCHAR(1), b VARCHAR(2), c VARCHAR(256),
+                KEY(a), KEY(b), KEY(c)) ENGINE=MEMORY;
+INSERT INTO t1 VALUES('a','aa',REPEAT('a', 256)),('a','aa',REPEAT('a',256));
+SELECT COUNT(*) FROM t1 WHERE a='a';
+SELECT COUNT(*) FROM t1 WHERE b='aa';
+SELECT COUNT(*) FROM t1 WHERE c=REPEAT('a',256);
+DROP TABLE t1;
+
+# End of 5.0 tests
+
+#
+# BUG#26080 - Memory Storage engine not working properly
+#
+CREATE TABLE t1(c1 VARCHAR(100), c2 INT) ENGINE=MEMORY;
+INSERT INTO t1 VALUES('', 0);
+ALTER TABLE t1 MODIFY c1 VARCHAR(101);
+SELECT c2 FROM t1;
+DROP TABLE t1;
+
+#
+# BUG#51763 Can't delete rows from MEMORY table with HASH key
+#
+
+CREATE TABLE t1 (
+  id int(11) NOT NULL AUTO_INCREMENT,
+  color enum('GREEN', 'WHITE')  DEFAULT NULL,
+  ts int,
+  PRIMARY KEY (id),
+  KEY color (color) USING HASH
+) ENGINE=MEMORY DEFAULT CHARSET=utf8;
+
+INSERT INTO t1 VALUES("1","GREEN",1);
+INSERT INTO t1 VALUES("2","GREEN",1);
+INSERT INTO t1 VALUES("3","GREEN",1);
+INSERT INTO t1 VALUES("4","GREEN",1);
+INSERT INTO t1 VALUES("5","GREEN",1);
+INSERT INTO t1 VALUES("6","GREEN",1);
+DELETE FROM t1 WHERE id = 1;
+INSERT INTO t1 VALUES("7","GREEN", 2);
+DELETE FROM t1 WHERE ts = 1 AND color = 'GREEN';
+SELECT * from t1;
+DROP TABLE t1;
+
+
+#
+# MDEV-5905 Creating tmp. memory table kills the server
+#
+
+CREATE TABLE t1 (id INT);
+INSERT INTO t1 VALUES (1);
+INSERT INTO t1 VALUES (2);
+
+--disable_warnings
+SET @@max_heap_table_size = 1024*1024*1024*20;
+--enable_warnings
+
+CREATE TEMPORARY TABLE tmp ENGINE=MEMORY
+  SELECT id FROM t1;
+DROP TEMPORARY TABLE tmp;
+drop table t1;
+
+--echo #
+--echo # BUG#11825482: Broken key length calculation for btree index
+--echo #
+CREATE TABLE h1 (f1 VARCHAR(1), f2 INT NOT NULL,
+                 UNIQUE KEY h1i (f1,f2) USING BTREE ) ENGINE=HEAP;
+INSERT INTO h1 VALUES(NULL,0),(NULL,1);
+SELECT 'wrong' as 'result' FROM dual WHERE ('h', 0) NOT IN (SELECT * FROM h1);
+
+CREATE TABLE t1 (  
+  pk int NOT NULL,  
+  col_int_nokey INT,  
+  col_varchar_nokey VARCHAR(1),  
+  PRIMARY KEY (pk)  
+);
+
+INSERT INTO t1 VALUES (19,5,'h'),(20,5,'h');
+  
+CREATE TABLE t2 (col_int_nokey INT);
+
+INSERT INTO t2 VALUES (1),(2);
+
+CREATE VIEW v1 AS
+  SELECT col_varchar_nokey, COUNT( col_varchar_nokey )
+  FROM t1
+  WHERE col_int_nokey <= 141 AND pk <= 4
+;
+
+SELECT col_int_nokey FROM t2
+WHERE ('h', 0) NOT IN ( SELECT * FROM v1);
+--echo # shouldn't crash
+EXPLAIN SELECT col_int_nokey FROM t2
+WHERE ('h', 0) NOT IN ( SELECT * FROM v1);
+
+DROP TABLE t1,t2,h1;
+DROP VIEW v1;
+# End of 5.1 tests
+
+#
+# Show that MIN_ROWS and MAX_ROWS have an effect on how data_length
+# and index_length are allocated.
+# Result is different for 32 / 64 bit machines as pointer lengths are different
+#
+
+CREATE TABLE t1 (a int, index(a)) engine=heap min_rows=10 max_rows=100;
+insert into t1 values(1);
+--replace_result 800 1600 1200 2400
+select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
+drop table t1;
+CREATE TABLE t1 (a int, index(a)) engine=heap min_rows=10 max_rows=10000;
+insert into t1 values(1);
+--replace_result 8000 16000 12000 24000
+select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
+drop table t1;
+CREATE TABLE t1 (a int, index(a)) engine=heap min_rows=3000 max_rows=3000;
+insert into t1 values(1);
+--replace_result 24000 48000 36000 72000
+select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
+drop table t1;
+CREATE TABLE t1 (a int, index(a)) engine=heap max_rows=15000;
+insert into t1 values(1);
+--replace_result 12000 24000 18000 36000
+select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
+drop table t1;
+
+create table t1 (c1 int, index(c1)) engine=heap max_rows=10000;
+insert into t1 select rand(100000000);
+insert into t1 select rand(100000000) from t1;
+insert into t1 select rand(100000000) from t1;
+insert into t1 select rand(100000000) from t1;
+insert into t1 select rand(100000000) from t1;
+insert into t1 select rand(100000000) from t1;
+insert into t1 select rand(100000000) from t1;
+insert into t1 select rand(100000000) from t1;
+insert into t1 select rand(100000000) from t1;
+insert into t1 select rand(100000000) from t1;
+insert into t1 select rand(100000000) from t1 limit 488;
+--replace_result 8000 16000 12000 24000
+select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
+insert into t1 select rand(100000000) from t1 limit 1;
+--replace_result 16512 33024 24512 49024
+select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
+insert into t1 select rand(100000000) from t1 limit 1000;
+--replace_result 24512 49024 36512 73024
+select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
+insert into t1 select rand(100000000) from t1;
+--replace_result 40512 81024 60512 121024
+select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1";
+drop table t1;
+
+#
+# MDEV-5905 Creating tmp. memory table kills the server
+#
+
+CREATE TABLE t1 (id INT);
+INSERT INTO t1 VALUES (1);
+INSERT INTO t1 VALUES (2);
+
+--disable_warnings
+SET @@max_heap_table_size = 1024*1024*1024*20;
+--enable_warnings
+
+CREATE TEMPORARY TABLE tmp ENGINE=MEMORY
+  SELECT id FROM t1;
+DROP TEMPORARY TABLE tmp;
+drop table t1;
+
+#
+# BUG#51763 Can't delete rows from MEMORY table with HASH key
+#
+
+CREATE TABLE t1 (
+  id int(11) NOT NULL AUTO_INCREMENT,
+  color enum('GREEN', 'WHITE')  DEFAULT NULL,
+  ts int,
+  PRIMARY KEY (id),
+  KEY color (color) USING HASH
+) ENGINE=MEMORY DEFAULT CHARSET=utf8;
+
+INSERT INTO t1 VALUES("1","GREEN",1);
+INSERT INTO t1 VALUES("2","GREEN",1);
+INSERT INTO t1 VALUES("3","GREEN",1);
+INSERT INTO t1 VALUES("4","GREEN",1);
+INSERT INTO t1 VALUES("5","GREEN",1);
+INSERT INTO t1 VALUES("6","GREEN",1);
+DELETE FROM t1 WHERE id = 1;
+INSERT INTO t1 VALUES("7","GREEN", 2);
+DELETE FROM t1 WHERE ts = 1 AND color = 'GREEN';
+SELECT * from t1 WHERE ts = 1 AND color = 'GREEN';
+DROP TABLE t1;