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Fix mysql_info() returning bad data in the results of a multi-statement

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query that mixed statements that do and do not return info. (Bug #11688)
This commit is contained in:
jimw@mysql.com 2005-08-10 18:32:17 -07:00
parent aa99bd61c0
commit 078e0c3902
3 changed files with 26 additions and 2 deletions
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11
mysql-test/r/metadata.result
View File

@ -85,3 +85,14 @@ def aaa 1 1 8 20 1 N 32769 0 63
1
1
drop table t1;
create table t1 (i int);
insert into t1 values (1),(2),(3);
select * from t1 where i = 2;
drop table t1;//
affected rows: 0
affected rows: 3
info: Records: 3 Duplicates: 0 Warnings: 0
i
2
affected rows: 1
affected rows: 0

12
mysql-test/t/metadata.test
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@ -49,4 +49,16 @@ drop table t1;
--disable_metadata
#
# Bug #11688: Bad mysql_info() results in multi-results
#
--enable_info
delimiter //;
create table t1 (i int);
insert into t1 values (1),(2),(3);
select * from t1 where i = 2;
drop table t1;//
delimiter ;//
--disable_info
# End of 4.1 tests

5
sql-common/client.c
View File

@ -713,8 +713,9 @@ void free_old_query(MYSQL *mysql)
if (mysql->fields)
free_root(&mysql->field_alloc,MYF(0));
init_alloc_root(&mysql->field_alloc,8192,0); /* Assume rowlength < 8192 */
mysql->fields=0;
mysql->field_count=0; /* For API */
mysql->fields= 0;
mysql->field_count= 0; /* For API */
mysql->info= 0;
DBUG_VOID_RETURN;
}