MDEV-23955 main.multi_update_big times out

Copying generated data from the sequence engine should be faster
than copying from MyISAM to MyISAM.

Reviewed by: Sergei Petrunia

mysql-test/r/multi_update_big.result

-DROP TABLE IF EXISTS t1,t2;
 CREATE TABLE t1 ( a INT NOT NULL, b INT NOT NULL) ;
-# The protocolling of many inserts into t1 is suppressed.
+INSERT INTO t1 SELECT seq,seq FROM seq_1_to_2097152;
 ALTER TABLE t1 ADD INDEX i1(a);
 DELETE FROM t1 WHERE a > 2000000;
 CREATE TABLE t2 LIKE t1;

mysql-test/r/sum_distinct-big.result

@@ -3,27 +3,7 @@ set @save_max_heap_table_size=@@max_heap_table_size;
 set storage_engine=MYISAM;
 CREATE TABLE t1 (id INTEGER);
 CREATE TABLE t2 (id INTEGER);
-INSERT INTO t1 (id) VALUES (1), (1), (1),(1);
-INSERT INTO t1 (id) SELECT id FROM t1;
-/* 8 */
-INSERT INTO t1 (id) SELECT id FROM t1;
-/* 12 */
-INSERT INTO t1 (id) SELECT id FROM t1;
-/* 16 */
-INSERT INTO t1 (id) SELECT id FROM t1;
-/* 20 */
-INSERT INTO t1 (id) SELECT id FROM t1;
-/* 24 */
-INSERT INTO t1 SELECT id+1 FROM t1;
-INSERT INTO t1 SELECT id+2 FROM t1;
-INSERT INTO t1 SELECT id+4 FROM t1;
-INSERT INTO t1 SELECT id+8 FROM t1;
-INSERT INTO t1 SELECT id+16 FROM t1;
-INSERT INTO t1 SELECT id+32 FROM t1;
-INSERT INTO t1 SELECT id+64 FROM t1;
-INSERT INTO t1 SELECT id+128 FROM t1;
-INSERT INTO t1 SELECT id+256 FROM t1;
-INSERT INTO t1 SELECT id+512 FROM t1;
+INSERT INTO t1 SELECT b.seq FROM seq_1_to_128,seq_1_to_1024 b;
 SELECT AVG(DISTINCT id) FROM t1 GROUP BY id % 13;
 AVG(DISTINCT id)
 513.5000
@@ -54,11 +34,9 @@ SUM(DISTINCT id)/COUNT(DISTINCT id)
 517.0000
 511.5000
 512.5000
-INSERT INTO t1 SELECT id+1024 FROM t1;
-INSERT INTO t1 SELECT id+2048 FROM t1;
-INSERT INTO t1 SELECT id+4096 FROM t1;
-INSERT INTO t1 SELECT id+8192 FROM t1;
-INSERT INTO t2 SELECT id FROM t1 ORDER BY id*rand();
+INSERT INTO t1 SELECT b.seq FROM seq_1_to_128,seq_1025_to_16384 b;
+INSERT INTO t2 SELECT b.seq FROM seq_1_to_128 a,seq_1_to_16384 b
+ORDER by (a.seq*0+b.seq)*rand();
 SELECT SUM(DISTINCT id) sm FROM t1;
 sm
 134225920
@@ -110,9 +88,10 @@ sm
 # (bug #56927)
 # 
 SET max_heap_table_size=default;
-INSERT INTO t1 SELECT id+16384 FROM t1;
-DELETE FROM t2;
-INSERT INTO t2 SELECT id FROM t1 ORDER BY id*rand();
+INSERT INTO t1 SELECT b.seq FROM seq_1_to_128,seq_16385_to_32768 b;
+TRUNCATE t2;
+INSERT INTO t2 SELECT b.seq FROM seq_1_to_128 a,seq_1_to_32768 b
+ORDER BY (a.seq*0+b.seq)*rand();
 SELECT SUM(DISTINCT id) sm FROM t2;
 sm
 536887296

mysql-test/t/multi_update_big.test

 --source include/long_test.inc
+--source include/have_sequence.inc
 
 #
 # Test of update statement that uses many tables.
@@ -40,25 +41,9 @@ if (`SELECT '$BIG_TEST' = '' AND $need_big = 1`)
 # Bug#1820 Rows not deleted from second table on multi-table delete
 #
 
---disable_warnings
-DROP TABLE IF EXISTS t1,t2;
---enable_warnings
-
 CREATE TABLE t1 ( a INT NOT NULL, b INT NOT NULL) ;
---echo # The protocolling of many inserts into t1 is suppressed.
---disable_query_log
-INSERT INTO t1 VALUES (1,1),(2,2),(3,3),(4,4);
-let $1=19;
-set @d=4;
-begin;
-while ($1)
-{
-  eval INSERT INTO t1 SELECT a+@d,b+@d FROM t1;
-  eval SET @d=@d*2;
-  dec $1;
-}
-commit;
---enable_query_log
+INSERT INTO t1 SELECT seq,seq FROM seq_1_to_2097152;
+
 ALTER TABLE t1 ADD INDEX i1(a);
 DELETE FROM t1 WHERE a > 2000000;
 CREATE TABLE t2 LIKE t1;

mysql-test/t/sum_distinct-big.test

@@ -19,32 +19,15 @@ set storage_engine=MYISAM;
 CREATE TABLE t1 (id INTEGER);
 CREATE TABLE t2 (id INTEGER);
 
-INSERT INTO t1 (id) VALUES (1), (1), (1),(1);
-INSERT INTO t1 (id) SELECT id FROM t1; /* 8 */
-INSERT INTO t1 (id) SELECT id FROM t1; /* 12 */
-INSERT INTO t1 (id) SELECT id FROM t1; /* 16 */
-INSERT INTO t1 (id) SELECT id FROM t1; /* 20 */
-INSERT INTO t1 (id) SELECT id FROM t1; /* 24 */
-INSERT INTO t1 SELECT id+1 FROM t1;
-INSERT INTO t1 SELECT id+2 FROM t1;
-INSERT INTO t1 SELECT id+4 FROM t1;
-INSERT INTO t1 SELECT id+8 FROM t1;
-INSERT INTO t1 SELECT id+16 FROM t1;
-INSERT INTO t1 SELECT id+32 FROM t1;
-INSERT INTO t1 SELECT id+64 FROM t1;
-INSERT INTO t1 SELECT id+128 FROM t1;
-INSERT INTO t1 SELECT id+256 FROM t1;
-INSERT INTO t1 SELECT id+512 FROM t1;
+INSERT INTO t1 SELECT b.seq FROM seq_1_to_128,seq_1_to_1024 b;
 
 # Just test that AVG(DISTINCT) is there
 SELECT AVG(DISTINCT id) FROM t1 GROUP BY id % 13;
 SELECT SUM(DISTINCT id)/COUNT(DISTINCT id) FROM t1 GROUP BY id % 13;
 
-INSERT INTO t1 SELECT id+1024 FROM t1;
-INSERT INTO t1 SELECT id+2048 FROM t1;
-INSERT INTO t1 SELECT id+4096 FROM t1;
-INSERT INTO t1 SELECT id+8192 FROM t1;
-INSERT INTO t2 SELECT id FROM t1 ORDER BY id*rand();
+INSERT INTO t1 SELECT b.seq FROM seq_1_to_128,seq_1025_to_16384 b;
+INSERT INTO t2 SELECT b.seq FROM seq_1_to_128 a,seq_1_to_16384 b
+ORDER by (a.seq*0+b.seq)*rand();
 
 # SELECT '++++++++++++++++++++++++++++++++++++++++++++++++++';
 
@@ -74,9 +57,10 @@ SELECT SUM(DISTINCT id) sm FROM t1 GROUP BY id % 13;
 
 SET max_heap_table_size=default;
 
-INSERT INTO t1 SELECT id+16384 FROM t1;
-DELETE FROM t2;
-INSERT INTO t2 SELECT id FROM t1 ORDER BY id*rand();
+INSERT INTO t1 SELECT b.seq FROM seq_1_to_128,seq_16385_to_32768 b;
+TRUNCATE t2;
+INSERT INTO t2 SELECT b.seq FROM seq_1_to_128 a,seq_1_to_32768 b
+ORDER BY (a.seq*0+b.seq)*rand();
 
 SELECT SUM(DISTINCT id) sm FROM t2;