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MDEV-22185 Failing assertion: node->pcur->rel_pos == BTR_PCUR_ON or ER_KEY_NOT_FOUND or Assertion `inited==NONE' failed in handler::ha_index_init

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long unique checks should be done for a partitioned table as a whole,
not for individual partitions.

Followup for f3f31eaa8e8 that extends it to UPDATE
This commit is contained in:
Sergei Golubchik 2020-05-04 10:48:39 +02:00
parent 67aaf51cf9
commit 18502f99eb
3 changed files with 13 additions and 1 deletions
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4
mysql-test/main/long_unique_bugs.result
View File

@ -337,3 +337,7 @@ a b
1 foo 1 foo
3 bar 3 bar
drop table if exists t1, t2; drop table if exists t1, t2;
create table t1 (a int, b int, unique (b) using hash) engine=innodb partition by key (a) partitions 2;
insert into t1 values (1,10),(2,20);
update t1 set b = 30 limit 1;
drop table t1;

8
mysql-test/main/long_unique_bugs.test
View File

@ -402,3 +402,11 @@ create or replace table t2 (a int, b blob, unique(b)) replace as select * from t
select * from t2; select * from t2;
drop table if exists t1, t2; drop table if exists t1, t2;
#
# MDEV-22185 Failing assertion: node->pcur->rel_pos == BTR_PCUR_ON or ER_KEY_NOT_FOUND or Assertion `inited==NONE' failed in handler::ha_index_init
#
create table t1 (a int, b int, unique (b) using hash) engine=innodb partition by key (a) partitions 2;
insert into t1 values (1,10),(2,20);
update t1 set b = 30 limit 1;
drop table t1;

2
sql/handler.cc
View File

@ -7009,7 +7009,7 @@ int handler::ha_update_row(const uchar *old_data, const uchar *new_data)
MYSQL_UPDATE_ROW_START(table_share->db.str, table_share->table_name.str); MYSQL_UPDATE_ROW_START(table_share->db.str, table_share->table_name.str);
mark_trx_read_write(); mark_trx_read_write();
increment_statistics(&SSV::ha_update_count); increment_statistics(&SSV::ha_update_count);
if (table->s->long_unique_table && if (table->s->long_unique_table && this == table->file &&
(error= check_duplicate_long_entries_update(new_data))) (error= check_duplicate_long_entries_update(new_data)))
{ {
return error; return error;