mirror of
https://github.com/MariaDB/server.git
synced 2025-01-26 00:34:18 +01:00
84651126c0
(without few incorrect bugfixes and with 1250 files where only a copyright year was changed)
139 lines
4.2 KiB
Text
139 lines
4.2 KiB
Text
--source include/have_innodb.inc
|
|
#
|
|
# Bug #56680 InnoDB may return wrong results from a case-insensitive index
|
|
#
|
|
-- disable_query_log
|
|
SET @tx_isolation_orig = @@tx_isolation;
|
|
SET @innodb_file_per_table_orig = @@innodb_file_per_table;
|
|
SET @innodb_file_format_orig = @@innodb_file_format;
|
|
# The flag innodb_change_buffering_debug is only available in debug builds.
|
|
# It instructs InnoDB to try to evict pages from the buffer pool when
|
|
# change buffering is possible, so that the change buffer will be used
|
|
# whenever possible.
|
|
-- error 0,ER_UNKNOWN_SYSTEM_VARIABLE
|
|
SET @innodb_change_buffering_debug_orig = @@innodb_change_buffering_debug;
|
|
-- error 0,ER_UNKNOWN_SYSTEM_VARIABLE
|
|
SET GLOBAL innodb_change_buffering_debug = 1;
|
|
-- enable_query_log
|
|
SET GLOBAL tx_isolation='REPEATABLE-READ';
|
|
SET GLOBAL innodb_file_format=Barracuda;
|
|
SET GLOBAL innodb_file_per_table=on;
|
|
|
|
CREATE TABLE bug56680(
|
|
a INT AUTO_INCREMENT PRIMARY KEY,
|
|
b CHAR(1),
|
|
c INT,
|
|
INDEX(b))
|
|
ENGINE=InnoDB;
|
|
|
|
INSERT INTO bug56680 VALUES(0,'x',1);
|
|
BEGIN;
|
|
SELECT b FROM bug56680;
|
|
|
|
connect (con1,localhost,root,,);
|
|
connection con1;
|
|
BEGIN;
|
|
UPDATE bug56680 SET b='X';
|
|
|
|
connection default;
|
|
# This should return the last committed value 'x', but would return 'X'
|
|
# due to a bug in row_search_for_mysql().
|
|
SELECT b FROM bug56680;
|
|
# This would always return the last committed value 'x'.
|
|
SELECT * FROM bug56680;
|
|
|
|
connection con1;
|
|
ROLLBACK;
|
|
disconnect con1;
|
|
|
|
connection default;
|
|
|
|
SELECT b FROM bug56680;
|
|
|
|
# For the rest of this test, use the READ UNCOMMITTED isolation level
|
|
# to see what exists in the secondary index.
|
|
SET GLOBAL tx_isolation='READ-UNCOMMITTED';
|
|
|
|
# Create enough rows for the table, so that the insert buffer will be
|
|
# used for modifying the secondary index page. There must be multiple
|
|
# index pages, because changes to the root page are never buffered.
|
|
|
|
INSERT INTO bug56680 SELECT 0,b,c FROM bug56680;
|
|
INSERT INTO bug56680 SELECT 0,b,c FROM bug56680;
|
|
INSERT INTO bug56680 SELECT 0,b,c FROM bug56680;
|
|
INSERT INTO bug56680 SELECT 0,b,c FROM bug56680;
|
|
INSERT INTO bug56680 SELECT 0,b,c FROM bug56680;
|
|
INSERT INTO bug56680 SELECT 0,b,c FROM bug56680;
|
|
INSERT INTO bug56680 SELECT 0,b,c FROM bug56680;
|
|
INSERT INTO bug56680 SELECT 0,b,c FROM bug56680;
|
|
INSERT INTO bug56680 SELECT 0,b,c FROM bug56680;
|
|
INSERT INTO bug56680 SELECT 0,b,c FROM bug56680;
|
|
INSERT INTO bug56680 SELECT 0,b,c FROM bug56680;
|
|
|
|
BEGIN;
|
|
SELECT b FROM bug56680 LIMIT 2;
|
|
|
|
connect (con1,localhost,root,,);
|
|
connection con1;
|
|
BEGIN;
|
|
DELETE FROM bug56680 WHERE a=1;
|
|
# This should be buffered, if innodb_change_buffering_debug = 1 is in effect.
|
|
INSERT INTO bug56680 VALUES(1,'X',1);
|
|
|
|
# This should force an insert buffer merge, and return 'X' in the first row.
|
|
SELECT b FROM bug56680 LIMIT 3;
|
|
|
|
connection default;
|
|
SELECT b FROM bug56680 LIMIT 2;
|
|
CHECK TABLE bug56680;
|
|
|
|
connection con1;
|
|
ROLLBACK;
|
|
SELECT b FROM bug56680 LIMIT 2;
|
|
CHECK TABLE bug56680;
|
|
|
|
connection default;
|
|
disconnect con1;
|
|
|
|
SELECT b FROM bug56680 LIMIT 2;
|
|
|
|
CREATE TABLE bug56680_2(
|
|
a INT AUTO_INCREMENT PRIMARY KEY,
|
|
b VARCHAR(2) CHARSET latin1 COLLATE latin1_german2_ci,
|
|
c INT,
|
|
INDEX(b))
|
|
ENGINE=InnoDB;
|
|
|
|
INSERT INTO bug56680_2 SELECT 0,_latin1 0xdf,c FROM bug56680;
|
|
|
|
BEGIN;
|
|
SELECT HEX(b) FROM bug56680_2 LIMIT 2;
|
|
DELETE FROM bug56680_2 WHERE a=1;
|
|
# This should be buffered, if innodb_change_buffering_debug = 1 is in effect.
|
|
INSERT INTO bug56680_2 VALUES(1,'SS',1);
|
|
|
|
# This should force an insert buffer merge, and return 'SS' in the first row.
|
|
SELECT HEX(b) FROM bug56680_2 LIMIT 3;
|
|
CHECK TABLE bug56680_2;
|
|
|
|
# Test this with compressed tables.
|
|
ALTER TABLE bug56680_2 ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1;
|
|
|
|
SELECT HEX(b) FROM bug56680_2 LIMIT 2;
|
|
DELETE FROM bug56680_2 WHERE a=1;
|
|
# This should be buffered, if innodb_change_buffering_debug = 1 is in effect.
|
|
INSERT INTO bug56680_2 VALUES(1,_latin1 0xdf,1);
|
|
|
|
# This should force an insert buffer merge, and return 0xdf in the first row.
|
|
SELECT HEX(b) FROM bug56680_2 LIMIT 3;
|
|
CHECK TABLE bug56680_2;
|
|
|
|
DROP TABLE bug56680_2;
|
|
DROP TABLE bug56680;
|
|
|
|
-- disable_query_log
|
|
SET GLOBAL tx_isolation = @tx_isolation_orig;
|
|
SET GLOBAL innodb_file_per_table = @innodb_file_per_table_orig;
|
|
SET GLOBAL innodb_file_format = @innodb_file_format_orig;
|
|
-- error 0, ER_UNKNOWN_SYSTEM_VARIABLE
|
|
SET GLOBAL innodb_change_buffering_debug = @innodb_change_buffering_debug_orig;
|