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MDEV-15458 Segfault in heap_scan() upon UPDATE after ADD SYSTEM VERSIONING

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handler::write_row() should not destroy the state of the running
index_search/index_next/... or rnd_init/rnd_next/... scan
This commit is contained in:
Sergei Golubchik
2019-05-13 14:22:49 +02:00
parent 73de06c48f
commit 43623f04a9
4 changed files with 3 additions and 11 deletions
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7
sql/sql_delete.cc
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@ -254,12 +254,7 @@ int TABLE::delete_row()
store_record(this, record[1]);
vers_update_end();
int res;
if ((res= file->extra(HA_EXTRA_REMEMBER_POS)))
return res;
if ((res= file->ha_update_row(record[1], record[0])))
return res;
return file->extra(HA_EXTRA_RESTORE_POS);
return file->ha_update_row(record[1], record[0]);
}