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Diffstat (limited to 'mysql-test/t/myisam.test')
| -rw-r--r-- | mysql-test/t/myisam.test | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/mysql-test/t/myisam.test b/mysql-test/t/myisam.test index fbd0a5ac4e7..21ffa0683b6 100644 --- a/mysql-test/t/myisam.test +++ b/mysql-test/t/myisam.test @@ -1278,5 +1278,189 @@ DELETE FROM t1 WHERE c1 >= 10; CHECK TABLE t1; DROP TABLE t1; +# +# Bug#33222 - myisam-table drops rows when column is added +# and a char-field > 128 exists +# +# Test #1 - CHECK TABLE sees wrong record, REPAR TABLE deletes it. +# Using a CHAR column that can have > 127 characters. +# Using a VARCHAR to create a table with dynamic row format. +CREATE TABLE t1 ( + c1 CHAR(130), + c2 VARCHAR(1) +) ENGINE=MyISAM; +INSERT INTO t1 VALUES(REPEAT("a",128), 'b'); +SELECT COUNT(*) FROM t1; +CHECK TABLE t1; +REPAIR TABLE t1; +SELECT COUNT(*) FROM t1; +CHECK TABLE t1; +DROP TABLE t1; +# +# Test #2 - same as test #1, but using EXTENDED. +# Using a CHAR column that can have > 127 characters. +# Using a VARCHAR to create a table with dynamic row format. +CREATE TABLE t1 ( + c1 CHAR(130), + c2 VARCHAR(1) +) ENGINE=MyISAM; +INSERT INTO t1 VALUES(REPEAT("a",128), 'b'); +SELECT COUNT(*) FROM t1; +CHECK TABLE t1 EXTENDED; +REPAIR TABLE t1 EXTENDED; +SELECT COUNT(*) FROM t1; +CHECK TABLE t1 EXTENDED; +DROP TABLE t1; +# +# Test #3 - same as test #1, but using OPTIMIZE TABLE. +# Using a CHAR column that can have > 127 characters. +# Using a VARCHAR to create a table with dynamic row format. +CREATE TABLE t1 ( + c1 CHAR(130), + c2 VARCHAR(1) +) ENGINE=MyISAM; +INSERT INTO t1 VALUES(REPEAT("a",128), 'b'); +# Insert more rows and delete one in the middle to force optimize. +INSERT INTO t1 VALUES('b', 'b'); +INSERT INTO t1 VALUES('c', 'b'); +DELETE FROM t1 WHERE c1='b'; +SELECT COUNT(*) FROM t1; +OPTIMIZE TABLE t1; +SELECT COUNT(*) FROM t1; +DROP TABLE t1; +# +# Test #4 - ALTER TABLE deletes rows. +# Using a CHAR column that can have > 127 characters. +# Using a VARCHAR to create a table with dynamic row format. +# Using an index which can be disabled during bulk insert. +CREATE TABLE t1 ( + c1 CHAR(130), + c2 VARCHAR(1), + KEY (c1) +) ENGINE=MyISAM; +# +# Insert 100 rows. This turns bulk insert on during the copy phase of +# ALTER TABLE. Bulk insert disables keys before the insert and re-enables +# them by repair after the insert. +--disable_query_log +let $count= 100; +--echo # Insert $count rows. Query log disabled. +while ($count) +{ + INSERT INTO t1 VALUES ('a', 'b'); + dec $count; +} +--enable_query_log +# +# Change most of the rows into long character values with > 127 characters. +UPDATE t1 SET c1=REPEAT("a",128) LIMIT 90; +SELECT COUNT(*) FROM t1; +ALTER TABLE t1 ENGINE=MyISAM; +# +# With bug present, this shows that all long rows are gone. +SELECT COUNT(*) FROM t1; +CHECK TABLE t1; +CHECK TABLE t1 EXTENDED; +DROP TABLE t1; +# +# Test #5 - same as test #1 but UTF-8. +# Using a CHAR column that can have > 127 characters. +# Using a VARCHAR to create a table with dynamic row format. +CREATE TABLE t1 ( + c1 CHAR(50), + c2 VARCHAR(1) +) ENGINE=MyISAM DEFAULT CHARSET UTF8; +# Using Tamil Letter A, Unicode U+0B85 +INSERT INTO t1 VALUES(REPEAT(_utf8 x'e0ae85',43), 'b'); +SELECT COUNT(*) FROM t1; +CHECK TABLE t1; +REPAIR TABLE t1; +SELECT COUNT(*) FROM t1; +CHECK TABLE t1; +DROP TABLE t1; +# +# Test #6 - same as test #2, but UTF-8. +# Using a CHAR column that can have > 127 characters. +# Using a VARCHAR to create a table with dynamic row format. +CREATE TABLE t1 ( + c1 CHAR(50), + c2 VARCHAR(1) +) ENGINE=MyISAM DEFAULT CHARSET UTF8; +# Using Tamil Letter A, Unicode U+0B85 +INSERT INTO t1 VALUES(REPEAT(_utf8 x'e0ae85',43), 'b'); +SELECT COUNT(*) FROM t1; +CHECK TABLE t1 EXTENDED; +REPAIR TABLE t1 EXTENDED; +SELECT COUNT(*) FROM t1; +CHECK TABLE t1 EXTENDED; +DROP TABLE t1; +# +# Test #7 - same as test #3, but UTF-8. +# Using a CHAR column that can have > 127 characters. +# Using a VARCHAR to create a table with dynamic row format. +CREATE TABLE t1 ( + c1 CHAR(50), + c2 VARCHAR(1) +) ENGINE=MyISAM DEFAULT CHARSET UTF8; +# Using Tamil Letter A, Unicode U+0B85 +INSERT INTO t1 VALUES(REPEAT(_utf8 x'e0ae85',43), 'b'); +# Insert more rows and delete one in the middle to force optimize. +INSERT INTO t1 VALUES('b', 'b'); +INSERT INTO t1 VALUES('c', 'b'); +DELETE FROM t1 WHERE c1='b'; +SELECT COUNT(*) FROM t1; +OPTIMIZE TABLE t1; +SELECT COUNT(*) FROM t1; +DROP TABLE t1; +# +# Test #8 - same as test #4, but UTF-8. +# Using a CHAR column that can have > 42 UTF-8 characters. +# Using a VARCHAR to create a table with dynamic row format. +# Using an index which can be disabled during bulk insert. +CREATE TABLE t1 ( + c1 CHAR(50), + c2 VARCHAR(1), + KEY (c1) +) ENGINE=MyISAM DEFAULT CHARSET UTF8; +# +# Insert 100 rows. This turns bulk insert on during the copy phase of +# ALTER TABLE. Bulk insert disables keys before the insert and re-enables +# them by repair after the insert. +--disable_query_log +let $count= 100; +--echo # Insert $count rows. Query log disabled. +while ($count) +{ + INSERT INTO t1 VALUES ('a', 'b'); + dec $count; +} +--enable_query_log +# +# Change most of the rows into long character values with > 42 characters. +# Using Tamil Letter A, Unicode U+0B85 +UPDATE t1 SET c1=REPEAT(_utf8 x'e0ae85',43) LIMIT 90; +SELECT COUNT(*) FROM t1; +ALTER TABLE t1 ENGINE=MyISAM; +# +# With bug present, this shows that all long rows are gone. +SELECT COUNT(*) FROM t1; +CHECK TABLE t1; +CHECK TABLE t1 EXTENDED; +DROP TABLE t1; + +# +# Bug#29182 - MyISAMCHK reports wrong character set +# +CREATE TABLE t1 ( + c1 VARCHAR(10) NOT NULL, + c2 CHAR(10) DEFAULT NULL, + c3 VARCHAR(10) NOT NULL, + KEY (c1), + KEY (c2) +) ENGINE=MyISAM DEFAULT CHARSET=utf8 PACK_KEYS=0; +--replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR +--exec $MYISAMCHK -d $MYSQLTEST_VARDIR/master-data/test/t1 +DROP TABLE t1; + --echo End of 5.1 tests |