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MDEV-28552 Assertion `inited==RND' failed in handler::ha_rnd_end

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We cannot permanently change bits in read_partitions in the middle of
processing because ha_rnd_init()/ha_rnd_end() depends on that.
This commit is contained in:
Aleksey Midenkov
2022-05-12 20:19:33 +03:00
committed by Sergei Golubchik
parent 8609254f4f
commit 107623c5c5
4 changed files with 30 additions and 3 deletions
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12
mysql-test/suite/versioning/r/partition.result
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@ -1133,5 +1133,17 @@ select count(*) from t1 partition (p1);
count(*) count(*)
100 100
drop table t1; drop table t1;
#
# MDEV-28552 Assertion `inited==RND' failed in handler::ha_rnd_end
#
create table tcount (c int unsigned);
insert into tcount values (0);
create table t (f int) with system versioning
partition by system_time limit 1000
(partition p1 history, partition pn current);
insert into t values (1),(2);
create trigger tr before insert on t for each row update tcount set c = c + 1;
insert into t select * from t;
drop table tcount, t;
# End of 10.3 tests # End of 10.3 tests
set global innodb_stats_persistent= @save_persistent; set global innodb_stats_persistent= @save_persistent;

18
mysql-test/suite/versioning/t/partition.test
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@ -1080,6 +1080,24 @@ replace t1 select * from t1;
select count(*) from t1 partition (p0); select count(*) from t1 partition (p0);
select count(*) from t1 partition (p1); select count(*) from t1 partition (p1);
drop table t1; drop table t1;
--echo #
--echo # MDEV-28552 Assertion `inited==RND' failed in handler::ha_rnd_end
--echo #
create table tcount (c int unsigned);
insert into tcount values (0);
create table t (f int) with system versioning
partition by system_time limit 1000
(partition p1 history, partition pn current);
insert into t values (1),(2);
create trigger tr before insert on t for each row update tcount set c = c + 1;
insert into t select * from t;
# cleanup
drop table tcount, t;
--echo # End of 10.3 tests --echo # End of 10.3 tests
set global innodb_stats_persistent= @save_persistent; set global innodb_stats_persistent= @save_persistent;

1
sql/ha_partition.h
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@ -1608,7 +1608,6 @@ public:
for (; part_id < part_id_end; ++part_id) for (; part_id < part_id_end; ++part_id)
{ {
handler *file= m_file[part_id]; handler *file= m_file[part_id];
DBUG_ASSERT(bitmap_is_set(&(m_part_info->read_partitions), part_id));
file->info(HA_STATUS_VARIABLE | HA_STATUS_NO_LOCK | HA_STATUS_OPEN); file->info(HA_STATUS_VARIABLE | HA_STATUS_NO_LOCK | HA_STATUS_OPEN);
part_recs+= file->stats.records; part_recs+= file->stats.records;
} }

2
sql/partition_info.cc
View File

@ -904,8 +904,6 @@ void partition_info::vers_check_limit(THD *thd)
uint32 part_id= vers_info->hist_part->id * sub_factor; uint32 part_id= vers_info->hist_part->id * sub_factor;
const uint32 part_id_end= part_id + sub_factor; const uint32 part_id_end= part_id + sub_factor;
DBUG_ASSERT(part_id_end <= num_parts * sub_factor); DBUG_ASSERT(part_id_end <= num_parts * sub_factor);
for (; part_id < part_id_end; ++part_id)
bitmap_set_bit(&read_partitions, part_id);
ha_partition *hp= (ha_partition*)(table->file); ha_partition *hp= (ha_partition*)(table->file);
ha_rows hist_rows= hp->part_records(vers_info->hist_part); ha_rows hist_rows= hp->part_records(vers_info->hist_part);