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150 lines
4.2 KiB
Plaintext
150 lines
4.2 KiB
Plaintext
#
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# Bug #16963396 INNODB: USE OF LARGE EXTERNALLY-STORED FIELDS MAKES
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# CRASH RECOVERY LOSE DATA
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#
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#
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# Uncompressed Table - Insert Operation - Crash Test
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# Fresh insert with blobs
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#
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CREATE TABLE t1 (a BIGINT PRIMARY KEY, b LONGBLOB) ENGINE=InnoDB;
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INSERT INTO t1 (a, b) VALUES (1, repeat('^', 40000));
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INSERT INTO t1 (a, b) VALUES (2, '2');
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INSERT INTO t1 (a, b) VALUES (3, '3');
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INSERT INTO t1 (a, b) VALUES (4, '4');
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INSERT INTO t1 (a, b) VALUES (5, '5');
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begin;
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INSERT INTO t1 (a, b) VALUES (6, REPEAT('a', 4*1024*1024));
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SELECT a, right(b, 50) FROM t1;
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a right(b, 50)
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1 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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2 2
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3 3
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4 4
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5 5
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#
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# Uncompressed Table - UPDATE Operation - Crash Test
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# Update of non-blob column so that blob is needed.
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#
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begin;
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UPDATE t1 set b = REPEAT('a', 4*1024*1024) where a = 5 ;
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SELECT a, right(b, 50) FROM t1;
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a right(b, 50)
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1 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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2 2
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3 3
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4 4
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5 5
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#
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# Uncompressed Table - UPDATE Operation - Crash Test
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# Update of blob column to blob.
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#
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connect con1,localhost,root,,;
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begin;
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UPDATE t1 set b = REPEAT('$', 50000) where a = 1;
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connection default;
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SET GLOBAL innodb_flush_log_at_trx_commit=1;
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UPDATE t1 SET b='five' WHERE a=5;
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disconnect con1;
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SELECT a, right(b, 50) FROM t1;
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a right(b, 50)
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1 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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2 2
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3 3
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4 4
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5 five
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#
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# Uncompressed Table - Rollback of UPDATE operation
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# Update moves offpage data to inline data.
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#
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create table t2 (f1 bigint primary key, f2 longblob, f3 longblob,
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index(f2(10), f3(10))) engine=innodb;
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insert into t2 values (10, repeat('.', 40000), repeat('?', 40000));
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connect con1,localhost,root,,;
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begin;
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update t2 set f2 = '=';
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select f1, right(f2, 20), right(f3, 20) from t2;
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f1 right(f2, 20) right(f3, 20)
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10 = ????????????????????
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update t2 set f3 = '&';
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select f1, right(f2, 20), right(f3, 20) from t2;
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f1 right(f2, 20) right(f3, 20)
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10 = &
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connection default;
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SET GLOBAL innodb_flush_log_at_trx_commit=1;
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DELETE FROM t1 WHERE a=1;
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disconnect con1;
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select f1, right(f2, 20), right(f3, 20) from t2;
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f1 right(f2, 20) right(f3, 20)
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10 .................... ????????????????????
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check table t2;
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Table Op Msg_type Msg_text
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test.t2 check status OK
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drop table t2;
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#
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# Compressed Table - Insert Operation - Crash Test
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# fresh insert with BLOBs
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#
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set global innodb_compression_level = 0;
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create table t3 (f1 bigint primary key, f2 longblob, f3 longblob,
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index(f2(10), f3(10))) engine=innodb row_format=compressed;
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connect con1,localhost,root,,;
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begin;
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INSERT INTO t3 (f1, f2, f3) VALUES (6, repeat('/', 40000), repeat('<', 40000));
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connection default;
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SET GLOBAL innodb_flush_log_at_trx_commit=1;
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DELETE FROM t1 WHERE a=2;
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disconnect con1;
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select f1, length(f2), length(f3) from t3;
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f1 length(f2) length(f3)
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select f1, right(f2, 30), right(f3, 20) from t3;
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f1 right(f2, 30) right(f3, 20)
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check table t3;
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Table Op Msg_type Msg_text
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test.t3 check status OK
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#
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# Compressed Table - Update Operation - Crash Test
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# update of a non-BLOB column so that BLOB is needed
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#
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set global innodb_compression_level = 0;
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insert into t3 values (2, repeat('!', 30), repeat('+', 30));
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connect con1,localhost,root,,;
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begin;
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UPDATE t3 set f2 = repeat('>', 40000) where f1 = 2;
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connection default;
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SET GLOBAL innodb_flush_log_at_trx_commit=1;
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DELETE FROM t1 WHERE a=3;
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disconnect con1;
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select f1, length(f2), length(f3) from t3;
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f1 length(f2) length(f3)
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2 30 30
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select f1, right(f2, 30), right(f3, 20) from t3;
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f1 right(f2, 30) right(f3, 20)
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2 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ++++++++++++++++++++
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check table t3;
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Table Op Msg_type Msg_text
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test.t3 check status OK
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#
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# Compressed Table - Update Operation - Crash Test
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# update blob to blob
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#
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set global innodb_compression_level = 0;
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insert into t3 values (3, repeat('%', 40000), repeat('~', 40000));
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connect con1,localhost,root,,;
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begin;
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UPDATE t3 set f2 = concat(f2, repeat(',', 10)) where f1 = 3;
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connection default;
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SET GLOBAL innodb_flush_log_at_trx_commit=1;
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DELETE FROM t1 WHERE a=4;
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select f1, length(f2), length(f3) from t3;
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f1 length(f2) length(f3)
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2 30 30
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3 40000 40000
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select f1, right(f2, 30), right(f3, 20) from t3;
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f1 right(f2, 30) right(f3, 20)
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2 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ++++++++++++++++++++
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3 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ~~~~~~~~~~~~~~~~~~~~
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check table t3;
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Table Op Msg_type Msg_text
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test.t3 check status OK
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DROP TABLE t1,t3;
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