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fix range.test

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This commit is contained in:
Sergei Golubchik 2014-06-05 19:25:51 +02:00
parent c7e5a1f70d
commit 6d75570e99
3 changed files with 56 additions and 1 deletions
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2
mysql-test/r/range.result
View File

@ -2087,7 +2087,7 @@ Warning 1366 Incorrect string value: '\xF0\x9F\x98\x81' for column 'fd' at row 1
# The following must not use range access:
explain select count(*) from t1 where fd <'😁';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index ix_fd ix_fd 63 NULL 41410 Using where; Using index
1 SIMPLE t1 index ix_fd ix_fd 63 NULL # Using where; Using index
Warnings:
Warning 1366 Incorrect string value: '\xF0\x9F\x98\x81' for column 'fd' at row 1
select count(*) from t1 where fd <'😁';

54
mysql-test/r/range_mrr_icp.result
View File

@ -2048,4 +2048,58 @@ f1 f2 f3 f4
10 0 0 0
DROP TABLE t1;
DROP VIEW v3;
#
# MDEV-6105: Emoji unicode character string search query makes mariadb performance down
#
SET NAMES utf8;
DROP TABLE IF EXISTS t1;
Warnings:
Note 1051 Unknown table 't1'
CREATE TABLE t1(
id int AUTO_INCREMENT,
fd varchar(20),
primary key(id),
index ix_fd(fd)
)engine=innodb default charset=UTF8;
INSERT INTO t1(id, fd) VALUES (null, ''),(null, 'matt'),(null, 'pitt'),(null, 'lee'),(null, 'kim');
INSERT INTO t1 (fd) SELECT fd FROM t1;
INSERT INTO t1 (fd) SELECT fd FROM t1;
INSERT INTO t1 (fd) SELECT fd FROM t1;
INSERT INTO t1 (fd) SELECT fd FROM t1;
INSERT INTO t1 (fd) SELECT fd FROM t1;
INSERT INTO t1 (fd) SELECT fd FROM t1;
INSERT INTO t1 (fd) SELECT fd FROM t1;
INSERT INTO t1 (fd) SELECT fd FROM t1;
INSERT INTO t1 (fd) SELECT fd FROM t1;
INSERT INTO t1 (fd) SELECT fd FROM t1;
INSERT INTO t1 (fd) SELECT fd FROM t1;
INSERT INTO t1 (fd) SELECT fd FROM t1;
INSERT INTO t1 (fd) SELECT fd FROM t1;
# The following should show "Impossible WHERE" :
explain
SELECT * FROM t1 WHERE fd='😁';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings:
Warning 1366 Incorrect string value: '\xF0\x9F\x98\x81' for column 'fd' at row 1
SELECT * FROM t1 WHERE fd='😁';
id fd
Warnings:
Warning 1366 Incorrect string value: '\xF0\x9F\x98\x81' for column 'fd' at row 1
# The following must not use range access:
explain select count(*) from t1 where fd <'😁';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index ix_fd ix_fd 63 NULL # Using where; Using index
Warnings:
Warning 1366 Incorrect string value: '\xF0\x9F\x98\x81' for column 'fd' at row 1
select count(*) from t1 where fd <'😁';
count(*)
40960
Warnings:
Warning 1366 Incorrect string value: '\xF0\x9F\x98\x81' for column 'fd' at row 1
select count(*) from t1 ignore index (ix_fd) where fd <'😁';
count(*)
40960
drop table t1;
set names default;
set optimizer_switch=@mrr_icp_extra_tmp;

1
mysql-test/t/range.test
View File

@ -1670,6 +1670,7 @@ SELECT * FROM t1 WHERE fd='😁';
SELECT * FROM t1 WHERE fd='😁';
--echo # The following must not use range access:
--replace_column 9 #
explain select count(*) from t1 where fd <'😁';
select count(*) from t1 where fd <'😁';
select count(*) from t1 ignore index (ix_fd) where fd <'😁';