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Fix for bug #34889: mysql_client_test::test_mysql_insert_id test fails

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sporadically

Under some circumstances, the mysql_insert_id() value after SELECT ...
INSERT could return a wrong value. This could happen when the last
SELECT ... INSERT did not involve an AUTO_INCREMENT column, but the
value of mysql_insert_id() was changed by some previous statements.

Fixed by checking the value of thd->insert_id_used in
select_insert::send_eof() and returning 0 for mysql_insert_id() if it
is not set.
This commit is contained in:
kaa@kaamos.(none)
2008-03-05 16:02:33 +03:00
parent 5a4e12cb56
commit 80d89023ea
2 changed files with 18 additions and 1 deletions
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3
sql/sql_insert.cc
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@ -3006,7 +3006,8 @@ bool select_insert::send_eof()
((thd->client_capabilities & CLIENT_FOUND_ROWS) ?
info.touched : info.updated);
id= autoinc_value_of_first_inserted_row > 0 ?
autoinc_value_of_first_inserted_row : thd->last_insert_id;
autoinc_value_of_first_inserted_row : thd->insert_id_used ?
thd->last_insert_id : 0;
::send_ok(thd, (ulong) thd->row_count_func, id, buff);
DBUG_RETURN(0);
}