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MDEV-36817 Server crashes in do_mark_index_columns instead of

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ER_DUP_ENTRY on partitioned table

Now as c1492f3d07 (MDEV-36115) restores m_last_part table->file
points to partition p0 while the error happens in p1, so error index
does not match ib_table in innobase_get_mysql_key_number_for_index().

This case is handled by separate code block in
innobase_get_mysql_key_number_for_index() which was wrong on using
secondary index for dict_index_is_auto_gen_clust() and it was not
covered by the tests.
This commit is contained in:
Aleksey Midenkov
2025-05-21 11:10:09 +03:00
parent fbd736c872
commit 1a95c2a4b2
3 changed files with 21 additions and 1 deletions
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9
mysql-test/suite/versioning/r/partition.result
View File

@@ -1805,6 +1805,15 @@ insert into t values (1),(2);
DELETE from t;
drop table t;
#
# MDEV-36817 Server crashes in do_mark_index_columns instead of
# ER_DUP_ENTRY on partitioned table
#
create table t (f int, unique(f)) engine=innodb partition by key (f) partitions 2;
insert into t (f) values (1), (3);
update t set f = 0;
ERROR 23000: Duplicate entry '0' for key 'f'
drop table t;
#
# End of 10.5 tests
#
set global innodb_stats_persistent= @save_persistent;

10
mysql-test/suite/versioning/t/partition.test
View File

@@ -1583,6 +1583,16 @@ insert into t values (1),(2);
DELETE from t;
drop table t;
--echo #
--echo # MDEV-36817 Server crashes in do_mark_index_columns instead of
--echo # ER_DUP_ENTRY on partitioned table
--echo #
create table t (f int, unique(f)) engine=innodb partition by key (f) partitions 2;
insert into t (f) values (1), (3);
--error ER_DUP_ENTRY
update t set f = 0;
drop table t;
--echo #
--echo # End of 10.5 tests
--echo #

3
storage/innobase/handler/ha_innodb.cc
View File

@@ -14554,13 +14554,14 @@ innobase_get_mysql_key_number_for_index(
if (index->table != ib_table) {
i = 0;
ind = dict_table_get_first_index(index->table);
const bool auto_gen_clust = dict_index_is_auto_gen_clust(ind);
while (index != ind) {
ind = dict_table_get_next_index(ind);
i++;
}
if (dict_index_is_auto_gen_clust(index)) {
if (auto_gen_clust) {
ut_a(i > 0);
i--;
}