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Bug# 20221- Dumping of multiple databases containing view(s) yields maleformed dumps.

Browse source 
client/mysqldump.c:
  When dumping more than one database, make sure that the proper database is selected before restoring that database's views.
  Replaced hard-coded database name length with appropiate token.
mysql-test/r/mysqldump.result:
  Added new result and corrected results for existing test cases.
mysql-test/t/mysqldump.test:
  Added new case for dumping and restoring multiple databases each containing a view.
This commit is contained in:
unknown 2006-07-17 18:07:08 -04:00
parent 3d35522f9d
commit 674636e725
3 changed files with 91 additions and 3 deletions
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17
client/mysqldump.c
View file

@ -2637,7 +2637,7 @@ static int init_dumping(char *database)
/*
length of table name * 2 (if name contains quotes), 2 quotes and 0
*/
char quoted_database_buf[64*2+3];
char quoted_database_buf[NAME_LEN*2+3];
char *qdatabase= quote_name(database,quoted_database_buf,opt_quoted);
if (opt_comments)
{
@ -2786,7 +2786,18 @@ static my_bool dump_all_views_in_db(char *database)
DB_error(sock, "when selecting the database");
return 1;
}
if (opt_databases || opt_alldbs)
{
char quoted_database_buf[NAME_LEN*2+3];
char *qdatabase= quote_name(database,quoted_database_buf,opt_quoted);
if (opt_comments)
{
fprintf(md_result_file,"\n--\n-- Current Database: %s\n--\n", qdatabase);
check_io(md_result_file);
}
fprintf(md_result_file,"\nUSE %s;\n", qdatabase);
check_io(md_result_file);
}
if (opt_xml)
print_xml_tag1(md_result_file, "", "database name=", database, "\n");
if (lock_tables)
@ -3239,7 +3250,7 @@ static char *primary_key_fields(const char *table_name)
MYSQL_RES *res = NULL;
MYSQL_ROW row;
/* SHOW KEYS FROM + table name * 2 (escaped) + 2 quotes + \0 */
char show_keys_buff[15 + 64 * 2 + 3];
char show_keys_buff[15 + NAME_LEN * 2 + 3];
uint result_length = 0;
char *result = 0;

39
mysql-test/r/mysqldump.result
View file

@ -2503,6 +2503,8 @@ DROP TABLE IF EXISTS `v2`;
`b` varchar(32),
`c` varchar(32)
) */;
USE `test`;
/*!50001 DROP TABLE IF EXISTS `v0`*/;
/*!50001 DROP VIEW IF EXISTS `v0`*/;
/*!50001 CREATE ALGORITHM=UNDEFINED */
@ -2826,6 +2828,8 @@ DROP TABLE IF EXISTS `v1`;
/*!50001 CREATE TABLE `v1` (
`id` int(11)
) */;
USE `mysqldump_test_db`;
/*!50001 DROP TABLE IF EXISTS `v1`*/;
/*!50001 DROP VIEW IF EXISTS `v1`*/;
/*!50001 CREATE ALGORITHM=UNDEFINED */
@ -2867,6 +2871,10 @@ USE `mysqldump_views`;
/*!50001 CREATE TABLE `nasishnasifu` (
`id` bigint(20) unsigned
) */;
USE `mysqldump_tables`;
USE `mysqldump_views`;
/*!50001 CREATE ALGORITHM=UNDEFINED */
/*!50013 DEFINER=`root`@`localhost` SQL SECURITY DEFINER */
/*!50001 VIEW `mysqldump_views`.`nasishnasifu` AS select `mysqldump_tables`.`basetable`.`id` AS `id` from `mysqldump_tables`.`basetable` */;
@ -2874,3 +2882,34 @@ drop view nasishnasifu;
drop database mysqldump_views;
drop table mysqldump_tables.basetable;
drop database mysqldump_tables;
create database mysqldump_dba;
use mysqldump_dba;
create table t1 (f1 int, f2 int);
insert into t1 values (1,1);
create view v1 as select f1, f2 from t1;
create database mysqldump_dbb;
use mysqldump_dbb;
create table t1 (f1 int, f2 int);
insert into t1 values (2,2);
create view v1 as select f1, f2 from t1;
drop view v1;
drop table t1;
drop database mysqldump_dbb;
use mysqldump_dba;
drop view v1;
drop table t1;
drop database mysqldump_dba;
select * from mysqldump_dba.v1;
f1 f2
1 1
select * from mysqldump_dbb.v1;
f1 f2
2 2
use mysqldump_dba;
drop view v1;
drop table t1;
drop database mysqldump_dba;
use mysqldump_dbb;
drop view v1;
drop table t1;
drop database mysqldump_dbb;

38
mysql-test/t/mysqldump.test
View file

@ -1230,3 +1230,41 @@ drop view nasishnasifu;
drop database mysqldump_views;
drop table mysqldump_tables.basetable;
drop database mysqldump_tables;
# Bug20221 Dumping of multiple databases containing view(s) yields maleformed dumps
create database mysqldump_dba;
use mysqldump_dba;
create table t1 (f1 int, f2 int);
insert into t1 values (1,1);
create view v1 as select f1, f2 from t1;
create database mysqldump_dbb;
use mysqldump_dbb;
create table t1 (f1 int, f2 int);
insert into t1 values (2,2);
create view v1 as select f1, f2 from t1;
--exec $MYSQL_DUMP --skip-comments --add-drop-database --databases mysqldump_dba mysqldump_dbb > $MYSQLTEST_VARDIR/tmp/bug20221_backup;
drop view v1;
drop table t1;
drop database mysqldump_dbb;
use mysqldump_dba;
drop view v1;
drop table t1;
drop database mysqldump_dba;
--exec $MYSQL < $MYSQLTEST_VARDIR/tmp/bug20221_backup;
select * from mysqldump_dba.v1;
select * from mysqldump_dbb.v1;
use mysqldump_dba;
drop view v1;
drop table t1;
drop database mysqldump_dba;
use mysqldump_dbb;
drop view v1;
drop table t1;
drop database mysqldump_dbb;