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Merge

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This commit is contained in:
Igor Babaev
2010-12-27 14:22:05 -08:00
parent 1eb5e0e603 7d68e1ead7
commit 0dc5ef87d4
62 changed files with 9350 additions and 760 deletions
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8
mysql-test/include/index_merge1.inc
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@ -194,7 +194,7 @@ alter table t2 add index i321(key3, key2, key1);
explain select key3 from t2 where key1 = 100 or key2 = 100;
# index_merge vs 'index', 'index' is better.
explain select key3 from t2 where key1 <100 or key2 < 100;
explain select key3 from t2 where key1 < 500 or key2 < 500;
# index_merge vs 'all', index_merge is better.
explain select key7 from t2 where key1 <100 or key2 < 100;
@ -334,12 +334,12 @@ update t0 set key2=1, key3=1, key4=1, key5=1,key6=1,key7=1 where key7 < 500;
--replace_column 9 #
--replace_result "4,4,4,4,4,4,4" X "4,4,4,4,4,4" X "i6,i7" "i6,i7?" "i6" "i6,i7?"
explain select max(A.key1 + B.key1 + A.key2 + B.key2 + A.key3 + B.key3 + A.key4 + B.key4 + A.key5 + B.key5)
from t0 as A, t0 as B
from t0 as A straight_join t0 as B
where (A.key1 = 1 and A.key2 = 1 and A.key3 = 1 and A.key4=1 and A.key5=1 and A.key6=1 and A.key7 = 1 or A.key8=1)
and (B.key1 = 1 and B.key2 = 1 and B.key3 = 1 and B.key4=1 and B.key5=1 and B.key6=1 and B.key7 = 1 or B.key8=1);
select max(A.key1 + B.key1 + A.key2 + B.key2 + A.key3 + B.key3 + A.key4 + B.key4 + A.key5 + B.key5)
from t0 as A, t0 as B
from t0 as A straight_join t0 as B
where (A.key1 = 1 and A.key2 = 1 and A.key3 = 1 and A.key4=1 and A.key5=1 and A.key6=1 and A.key7 = 1 or A.key8=1)
and (B.key1 = 1 and B.key2 = 1 and B.key3 = 1 and B.key4=1 and B.key5=1 and B.key6=1 and B.key7 = 1 or B.key8=1);
@ -539,7 +539,7 @@ INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
SET SESSION sort_buffer_size=1;
SET SESSION sort_buffer_size=1024*8;
EXPLAIN
SELECT * FROM t1 FORCE INDEX(a,b) WHERE a LIKE 'a%' OR b LIKE 'b%'
ORDER BY a,b;

12
mysql-test/include/mix1.inc
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@ -1362,7 +1362,17 @@ INSERT INTO t1 VALUES (1,'init');
DELIMITER |;
CREATE PROCEDURE p1()
BEGIN
UPDATE t1 SET b = CONCAT(b, '+con2') WHERE a = 1;
# retry the UPDATE in case it times out the lock before con1 has time
# to COMMIT.
DECLARE do_retry INT DEFAULT 0;
DECLARE CONTINUE HANDLER FOR SQLEXCEPTION SET do_retry = 1;
retry_loop:LOOP
UPDATE t1 SET b = CONCAT(b, '+con2') WHERE a = 1;
IF do_retry = 0 THEN
LEAVE retry_loop;
END IF;
SET do_retry = 0;
END LOOP;
INSERT INTO t2 VALUES ();
END|
DELIMITER ;|

0
mysql-test/include/world.inc Normal file → Executable file
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2
mysql-test/include/world_schema.inc Normal file → Executable file
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@ -22,4 +22,4 @@ CREATE TABLE CountryLanguage (
Percentage float(3,1) NOT NULL default '0.0',
PRIMARY KEY (Country, Language),
INDEX (Percentage)
);
);