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1
by brian
clean slate |
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#
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# Test bugs in the MyISAM code with blobs |
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#
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--disable_warnings
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drop table if exists t1; |
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--enable_warnings
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# Bug #2159 (Problem with update of blob to > 16M) |
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CREATE TABLE t1 (data LONGBLOB) ENGINE=myisam; |
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INSERT INTO t1 (data) VALUES (NULL); |
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UPDATE t1 set data=repeat('a',18*1024*1024); |
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select length(data) from t1; |
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delete from t1 where left(data,1)='a'; |
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check table t1; |
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truncate table t1; |
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INSERT INTO t1 (data) VALUES (repeat('a',1*1024*1024)); |
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INSERT INTO t1 (data) VALUES (repeat('b',16*1024*1024-1024)); |
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delete from t1 where left(data,1)='b'; |
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check table t1; |
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# now we have two blocks in the table, first is a 1M record and second is |
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# a 16M delete block. |
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UPDATE t1 set data=repeat('c',17*1024*1024); |
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check table t1; |
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delete from t1 where left(data,1)='c'; |
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check table t1; |
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INSERT INTO t1 set data=repeat('a',18*1024*1024); |
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select length(data) from t1; |
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alter table t1 modify data blob; |
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select length(data) from t1; |
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drop table t1; |
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CREATE TABLE t1 (data BLOB) ENGINE=myisam; |
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INSERT INTO t1 (data) VALUES (NULL); |
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UPDATE t1 set data=repeat('a',18*1024*1024); |
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select length(data) from t1; |
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drop table t1; |
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# End of 4.1 tests |