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if a key length exceeds the supported maximum and it is safe to auto-decrease it, do it.

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serg@serg.mylan
2004-02-17 16:57:39 +01:00
parent 90eb2d26ed
commit b8e161be4b
10 changed files with 66 additions and 35 deletions
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mysql-test/r/myisam.result
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@ -323,10 +323,10 @@ Table Op Msg_type Msg_text
test.t1 check status OK
drop table t1;
CREATE TABLE t1 (a varchar(255), b varchar(255), c varchar(255), KEY t1 (a, b, c));
ERROR 42000: Specified key was too long. Max key length is 500
ERROR 42000: Specified key was too long; max key length is 500 bytes
CREATE TABLE t1 (a varchar(255), b varchar(255), c varchar(255));
ALTER TABLE t1 ADD INDEX t1 (a, b, c);
ERROR 42000: Specified key was too long. Max key length is 500
ERROR 42000: Specified key was too long; max key length is 500 bytes
DROP TABLE t1;
CREATE TABLE t1 (a int not null, b int, c int, key(b), key(c), key(a,b), key(c,a));
INSERT into t1 values (0, null, 0), (0, null, 1), (0, null, 2), (0, null,3), (1,1,4);