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#
# Test how MyRocks handles reading corrupted data from disk.
# Data corruption is simulated at source-code level.
#
#
# A test for case when data in the table *record* is longer
# than table DDL expects it to be
#
create table t1 (
pk int not null primary key,
col1 varchar(10)
) engine=rocksdb;
insert into t1 values (1,1),(2,2),(3,3);
select * from t1;
pk col1
1 1
2 2
3 3
set @tmp1=@@rocksdb_verify_row_debug_checksums;
set rocksdb_verify_row_debug_checksums=1;
set session debug_dbug= "+d,myrocks_simulate_bad_row_read1";
select * from t1 where pk=1;
ERROR HY000: Got error 202 'Found data corruption.' from ROCKSDB
set session debug_dbug= "-d,myrocks_simulate_bad_row_read1";
set rocksdb_verify_row_debug_checksums=@tmp1;
select * from t1 where pk=1;
pk col1
1 1
set session debug_dbug= "+d,myrocks_simulate_bad_row_read2";
select * from t1 where pk=1;
ERROR HY000: Got error 202 'Found data corruption.' from ROCKSDB
set session debug_dbug= "-d,myrocks_simulate_bad_row_read2";
set session debug_dbug= "+d,myrocks_simulate_bad_row_read3";
select * from t1 where pk=1;
ERROR HY000: Got error 202 'Found data corruption.' from ROCKSDB
set session debug_dbug= "-d,myrocks_simulate_bad_row_read3";
insert into t1 values(4,'0123456789');
select * from t1;
pk col1
1 1
2 2
3 3
4 0123456789
drop table t1;
#
# A test for case when index data is longer than table DDL
# expects it to be
#
create table t2 (
pk varchar(4) not null primary key,
col1 int not null
) engine=rocksdb collate latin1_bin;
insert into t2 values ('ABCD',1);
select * from t2;
pk col1
ABCD 1
set session debug_dbug= "+d,myrocks_simulate_bad_pk_read1";
select * from t2;
ERROR HY000: Got error 202 'Found data corruption.' from ROCKSDB
set session debug_dbug= "-d,myrocks_simulate_bad_pk_read1";
drop table t2;
create table t2 (
pk varchar(4) not null primary key,
col1 int not null
) engine=rocksdb;
insert into t2 values ('ABCD',1);
select * from t2;
pk col1
ABCD 1
set session debug_dbug= "+d,myrocks_simulate_bad_pk_read1";
select * from t2;
ERROR HY000: Got error 202 'Found data corruption.' from ROCKSDB
set session debug_dbug= "-d,myrocks_simulate_bad_pk_read1";
drop table t2;
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