mariadb/mysql-test/r/sum_distinct-big.result
unknown e10d81448d Moved some old test and added a new test to only be run with mysql-test-run --big
Fixed warnings by valgrind for sum_distinct.test
Enable buffered-record-reads after filesort for InnoDB tables with short primary key
Enabled sort-with-data for MyISAM temporary files


BitKeeper/etc/ignore:
  added tools/mysqltestmanager
client/mysqltest.c:
  Ensure that BIG_TEST is always set to 0 or 1
  Fix the 'eval' also honors 'require'
mysql-test/mysql-test-run.sh:
  Enlarge InnoDB table space for --big tests
mysql-test/r/heap.result:
  Fix after adding more optimzation for filsort
mysql-test/r/sum_distinct.result:
  Move 'slow' part of test to sum_distinct-big.test
mysql-test/t/heap.test:
  Ensure that results are indpendent of optimizer
mysql-test/t/sum_distinct.test:
  Move 'slow' part of test to sum_distinct-big.test
sql/filesort.cc:
  Use 'sort with data' also on temporary files and with INSERT ... SELECT
sql/ha_innodb.h:
  Remove HA_FAST_KEY_READ to enable buffered-record-reads after filesort
sql/handler.h:
  More comments
sql/mysql_priv.h:
  A bit smaller limit for cache for buffered-records-read (after testing)
sql/records.cc:
  Don't use buffered-record-reads if ref_length > MAX_REFLENGTH
  Fixed warning from valgrind in 'sum_distinct'
sql/sql_select.cc:
  Ensure that tempory tables has query_id set for all fields
  (Required for sort-with-data to work on temp files)
2005-04-07 19:24:14 +03:00

108 lines
2 KiB
Text

using_big_test
0
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;
SELECT AVG(DISTINCT id) FROM t1 GROUP BY id % 13;
AVG(DISTINCT id)
513.5000
508.0000
509.0000
510.0000
511.0000
512.0000
513.0000
514.0000
515.0000
516.0000
517.0000
511.5000
512.5000
SELECT SUM(DISTINCT id)/COUNT(DISTINCT id) FROM t1 GROUP BY id % 13;
SUM(DISTINCT id)/COUNT(DISTINCT id)
513.50000
508.00000
509.00000
510.00000
511.00000
512.00000
513.00000
514.00000
515.00000
516.00000
517.00000
511.50000
512.50000
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();
SELECT SUM(DISTINCT id) sm FROM t1;
sm
134225920
SELECT SUM(DISTINCT id) sm FROM t2;
sm
134225920
SELECT SUM(DISTINCT id) sm FROM t1 group by id % 13;
sm
10327590
10328851
10330112
10331373
10332634
10317510
10318770
10320030
10321290
10322550
10323810
10325070
10326330
SET max_heap_table_size=16384;
SHOW variables LIKE 'max_heap_table_size';
Variable_name Value
max_heap_table_size 16384
SELECT SUM(DISTINCT id) sm FROM t1;
sm
134225920
SELECT SUM(DISTINCT id) sm FROM t2;
sm
134225920
SELECT SUM(DISTINCT id) sm FROM t1 GROUP BY id % 13;
sm
10327590
10328851
10330112
10331373
10332634
10317510
10318770
10320030
10321290
10322550
10323810
10325070
10326330
DROP TABLE t1;
DROP TABLE t2;