#20078 [NEW]: Error with left join
| From: | f dot giovannini at netechnologies dot it | Date: | Fri, 25 Oct 2002 09:07:24 +0000 |
| Subject: | #20078 [NEW]: Error with left join | ||
| Groups: | php.bugs | ||
| Request: | Send a blank email to php-bugs+get-23284@lists.php.net to get a copy of this message | ||
From: f.giovannini@netechnologies.it
Operating system: Linux 2.4.18
PHP version: 4.2.1
PHP Bug Type: MySQL related
Bug description: Error with left join
Using mysql_fetch_array function if submit an query with left join es.:
select * from A left join B on (A.index_c=B.index_c)
the resulting array contains fields of table B with NULL value if
condition is not matched
es.:
A table:
----------------------------
| index | index_c | X | P |
----------------------------
| 1 | 1 | 1 | 1 |
----------------------------
| 1 | NULL | 1 | 1 |
----------------------------
B table:
-------------------
| index_c | P | D |
-------------------
| 1 | 1 | 2 |
-------------------
Array result:
---------------------------------
| index | index_c | X | P | D |
---------------------------------
| 1 | 1 | 1 | 1 | 2 |
---------------------------------
| 1 | NULL | 1 |NULL|NULL|
---------------------------------
with command line mysql:
---------------------------------
| index | index_c | X | P | D |
---------------------------------
| 1 | 1 | 1 | 1 | 2 |
---------------------------------
| 1 | NULL | 1 | 1 | |
---------------------------------
bye
--
Edit bug report at http://bugs.php.net/?id=20078&edit=1
--
Try a CVS snapshot: http://bugs.php.net/fix.php?id=20078&r=trysnapshot
Fixed in CVS: http://bugs.php.net/fix.php?id=20078&r=fixedcvs
Fixed in release: http://bugs.php.net/fix.php?id=20078&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=20078&r=needtrace
Try newer version: http://bugs.php.net/fix.php?id=20078&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=20078&r=support
Expected behavior: http://bugs.php.net/fix.php?id=20078&r=notwrong
Not enough info: http://bugs.php.net/fix.php?id=20078&r=notenoughinfo
Submitted twice: http://bugs.php.net/fix.php?id=20078&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=20078&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=20078&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=20078&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=20078&r=isapi