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Request #65690 PDO_Firebird should also support dialect 1
Submitted: 2013-09-17 13:14 UTC Modified: 2019-10-28 15:50 UTC
From: slavb18 at gmail dot com Assigned: cmb (profile)
Status: Closed Package: PDO Firebird
PHP Version: 5.4.19 OS: any
Private report: No CVE-ID: None
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 [2013-09-17 13:14 UTC] slavb18 at gmail dot com 
Description:
------------
PDO_Firebird  returns wrong results with numeric (15,2) and dialect 1
dialect 1 returns numeric (15,2) as  SQL_DOUBLE and sqlscale < 0,

I know this was reported before but this report is with patch 

Test script:
---------------
create or alter procedure testpdo
returns (
    res numeric(15,2),
    res2 numeric(5,2))
as
begin
  RES=123.45;
  RES2=123.45;
  suspend;
end

Expected result:
----------------
Array
(
    [RES] => 123.45
    [0] => 123.45
    [RES2] => 123.45
    [1] => 123.45
)


Actual result:
--------------
Array
(
    [RES] => 0.04
    [0] => 0.04
    [RES2] => 123.45
    [1] => 123.45
)


(or any other number istead of 0.04 as variable "n" is unitilized in case of SQL_DOUBLE)

Patches

php5-bug65690.patch (last revision 2013-09-17 13:15 UTC by slavb18 at gmail dot com)

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AllCommentsChangesGit/SVN commitsRelated reports
 [2013-09-17 13:28 UTC] slavb18 at gmail dot com 
forget to attach php script:

...
$sql="select * FROM TESTPDO";
$sth = $pdo->prepare($sql);
$sth->execute();
$obj = $sth->fetch();
print_r($obj);
 [2014-01-01 12:29 UTC] felipe@php.net
-Package: PDO related +Package: PDO Firebird
 [2014-04-08 11:20 UTC] mariuz@php.net
-Assigned To: +Assigned To: mariuz
 [2016-03-03 13:45 UTC] cmb@php.net 
Related To: Bug #71652
 [2017-01-09 06:42 UTC] dorin dot marcoci at gmail dot com 
Still anyone uses dialect 1? It is pending to be deprecated.
Is it worth to fix this bug? It will involve additional FB specific flag/parameter to PDO, in order to deal right with dialects.
 [2017-01-09 10:23 UTC] slavb18 at gmail dot com 
dialect 1 is still used in legacy databases, why not fix, if patch exists for three years
 [2017-01-30 08:18 UTC] dorin dot marcoci at gmail dot com 
Slavb18,

I found this patch not so viable across Firebird dialects.
It just check for SQL_DOUBLE and sqlscale, behavior that may change and/or be different across existing or next dialects.

Currently PDO driver connects by default using 3rd dialect and no other handling is done in terms of specifics.

A nice solution will be to read and take into account the database dialect when connecting to a FB database and on next operations like data fetches, parameters handling, etc...
 [2017-10-24 06:45 UTC] kalle@php.net
-Status: Assigned +Status: Open -Assigned To: mariuz +Assigned To:
 [2018-07-06 19:32 UTC] ab@php.net
-Status: Open +Status: Feedback
 [2018-07-06 19:32 UTC] ab@php.net 
@slavb18, could you please check with the suggestion of @dorin? This might be a bigger piece, but Firebird needs maintanance. Otherwise, as only dialect 3 seems to be supported well and dialect 1 is mentioned as quasi deprecated in the doc, this ticket could be considered obsolete.

Thanks.
 [2018-07-15 04:22 UTC] php-bugs at lists dot php dot net 
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Re-Opened". Thank you.
 [2019-10-28 15:37 UTC] cmb@php.net 
Related To: Bug #71652
 [2019-10-28 15:38 UTC] cmb@php.net
-Summary: PDO_Firebird returns wrong results with numeric 15,2 and dialect 1 +Summary: PDO_Firebird should also support dialect 1 -Status: No Feedback +Status: Open -Type: Bug +Type: Feature/Change Request -Assigned To: +Assigned To: cmb
 [2019-10-28 15:38 UTC] cmb@php.net 
Reclassifying as feature request.
 [2019-10-28 15:50 UTC] cmb@php.net
-Status: Assigned +Status: Closed
 [2019-10-28 15:50 UTC] cmb@php.net 
Implemented with <http://git.php.net/?p=php-src.git;a=commit;h=3fb42a382cdd64015375eec4c3a8d708ea17a06b>.
 
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