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Fixed bug mdev-3888.

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When inserting a record with update on duplicate keys the server calls
the ha_index_read_idx_map handler function to look for the record
that violates unique key constraints. The third parameter of this call
should mark only the base components of the index where the server is
searched for the record. Possible hidden components of the primary key
are to be unmarked.
This commit is contained in:
Igor Babaev 2012-12-04 16:06:07 -08:00
commit 5e345281e3
3 changed files with 69 additions and 1 deletions
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3
sql/sql_insert.cc
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@ -1677,9 +1677,10 @@ int write_record(THD *thd, TABLE *table,COPY_INFO *info)
}
}
key_copy((uchar*) key,table->record[0],table->key_info+key_nr,0);
key_part_map keypart_map= (1 << table->key_info[key_nr].key_parts) - 1;
if ((error= (table->file->ha_index_read_idx_map(table->record[1],
key_nr, (uchar*) key,
HA_WHOLE_KEY,
keypart_map,
HA_READ_KEY_EXACT))))
goto err;
}