mirror of
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d2e2260d4b
Added 'innodb_file_format_check' as variable to ignore change to.
Tests that had to restore this amended
Two tests assumed it to be Antelope, make sure these run on a freshly
started server
For 5.5, apparently innodb_file_format_max is the one to ignore
141 lines
4.3 KiB
Plaintext
141 lines
4.3 KiB
Plaintext
#
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# Bug #56680 InnoDB may return wrong results from a case-insensitive index
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#
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-- source include/have_innodb_plugin.inc
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-- disable_query_log
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SET @tx_isolation_orig = @@tx_isolation;
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SET @innodb_file_per_table_orig = @@innodb_file_per_table;
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SET @innodb_file_format_orig = @@innodb_file_format;
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# The flag innodb_change_buffering_debug is only available in debug builds.
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# It instructs InnoDB to try to evict pages from the buffer pool when
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# change buffering is possible, so that the change buffer will be used
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# whenever possible.
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-- error 0,ER_UNKNOWN_SYSTEM_VARIABLE
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SET @innodb_change_buffering_debug_orig = @@innodb_change_buffering_debug;
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-- error 0,ER_UNKNOWN_SYSTEM_VARIABLE
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SET GLOBAL innodb_change_buffering_debug = 1;
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-- enable_query_log
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SET GLOBAL tx_isolation='REPEATABLE-READ';
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SET GLOBAL innodb_file_format=Barracuda;
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SET GLOBAL innodb_file_per_table=on;
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CREATE TABLE bug56680(
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a INT AUTO_INCREMENT PRIMARY KEY,
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b CHAR(1),
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c INT,
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INDEX(b))
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ENGINE=InnoDB;
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INSERT INTO bug56680 VALUES(0,'x',1);
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BEGIN;
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SELECT b FROM bug56680;
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connect (con1,localhost,root,,);
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connection con1;
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BEGIN;
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UPDATE bug56680 SET b='X';
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connection default;
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# This should return the last committed value 'x', but would return 'X'
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# due to a bug in row_search_for_mysql().
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SELECT b FROM bug56680;
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# This would always return the last committed value 'x'.
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SELECT * FROM bug56680;
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connection con1;
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ROLLBACK;
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disconnect con1;
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connection default;
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SELECT b FROM bug56680;
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# For the rest of this test, use the READ UNCOMMITTED isolation level
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# to see what exists in the secondary index.
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SET GLOBAL tx_isolation='READ-UNCOMMITTED';
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# Create enough rows for the table, so that the insert buffer will be
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# used for modifying the secondary index page. There must be multiple
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# index pages, because changes to the root page are never buffered.
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INSERT INTO bug56680 SELECT 0,b,c FROM bug56680;
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INSERT INTO bug56680 SELECT 0,b,c FROM bug56680;
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INSERT INTO bug56680 SELECT 0,b,c FROM bug56680;
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INSERT INTO bug56680 SELECT 0,b,c FROM bug56680;
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INSERT INTO bug56680 SELECT 0,b,c FROM bug56680;
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INSERT INTO bug56680 SELECT 0,b,c FROM bug56680;
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INSERT INTO bug56680 SELECT 0,b,c FROM bug56680;
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INSERT INTO bug56680 SELECT 0,b,c FROM bug56680;
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INSERT INTO bug56680 SELECT 0,b,c FROM bug56680;
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INSERT INTO bug56680 SELECT 0,b,c FROM bug56680;
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INSERT INTO bug56680 SELECT 0,b,c FROM bug56680;
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BEGIN;
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SELECT b FROM bug56680 LIMIT 2;
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connect (con1,localhost,root,,);
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connection con1;
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BEGIN;
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DELETE FROM bug56680 WHERE a=1;
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# This should be buffered, if innodb_change_buffering_debug = 1 is in effect.
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INSERT INTO bug56680 VALUES(1,'X',1);
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# This should force an insert buffer merge, and return 'X' in the first row.
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SELECT b FROM bug56680 LIMIT 3;
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connection default;
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SELECT b FROM bug56680 LIMIT 2;
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CHECK TABLE bug56680;
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connection con1;
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ROLLBACK;
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SELECT b FROM bug56680 LIMIT 2;
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CHECK TABLE bug56680;
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connection default;
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disconnect con1;
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SELECT b FROM bug56680 LIMIT 2;
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CREATE TABLE bug56680_2(
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a INT AUTO_INCREMENT PRIMARY KEY,
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b VARCHAR(2) CHARSET latin1 COLLATE latin1_german2_ci,
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c INT,
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INDEX(b))
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ENGINE=InnoDB;
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INSERT INTO bug56680_2 SELECT 0,_latin1 0xdf,c FROM bug56680;
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BEGIN;
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SELECT HEX(b) FROM bug56680_2 LIMIT 2;
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DELETE FROM bug56680_2 WHERE a=1;
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# This should be buffered, if innodb_change_buffering_debug = 1 is in effect.
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INSERT INTO bug56680_2 VALUES(1,'SS',1);
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# This should force an insert buffer merge, and return 'SS' in the first row.
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SELECT HEX(b) FROM bug56680_2 LIMIT 3;
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CHECK TABLE bug56680_2;
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# Test this with compressed tables.
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ALTER TABLE bug56680_2 ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1;
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SELECT HEX(b) FROM bug56680_2 LIMIT 2;
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DELETE FROM bug56680_2 WHERE a=1;
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# This should be buffered, if innodb_change_buffering_debug = 1 is in effect.
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INSERT INTO bug56680_2 VALUES(1,_latin1 0xdf,1);
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# This should force an insert buffer merge, and return 0xdf in the first row.
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SELECT HEX(b) FROM bug56680_2 LIMIT 3;
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CHECK TABLE bug56680_2;
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DROP TABLE bug56680_2;
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DROP TABLE bug56680;
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-- disable_query_log
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SET GLOBAL tx_isolation = @tx_isolation_orig;
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SET GLOBAL innodb_file_per_table = @innodb_file_per_table_orig;
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SET GLOBAL innodb_file_format = @innodb_file_format_orig;
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-- error 0, ER_UNKNOWN_SYSTEM_VARIABLE
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SET GLOBAL innodb_change_buffering_debug = @innodb_change_buffering_debug_orig;
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