Re: Memory leak when using SQLParamData and SQLPutData

From: Mihai Giurgeanu <mihai(dot)giurgeanu(at)gmail(dot)com>
To: "Inoue, Hiroshi" <h-inoue(at)dream(dot)email(dot)ne(dot)jp>
Cc: pgsql-odbc(at)lists(dot)postgresql(dot)org
Subject: Re: Memory leak when using SQLParamData and SQLPutData
Date: 2017-12-23 07:36:46
Message-ID: 473D1A41-8827-458C-AEDC-070F4CED2A53@gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-odbc

Hi Hiroshi,

This patch solves the problem.

Thank you,
Mihai

> On 23 Dec 2017, at 02:56, Inoue, Hiroshi <h-inoue(at)dream(dot)email(dot)ne(dot)jp> wrote:
>
> Hi Mihai,
>
> On 2017/12/21 21:55, Mihai Giurgeanu wrote:
>> Hi Hiroshi,
>>
>> Thank you for your reply and let me know if I can do anything to help.
>
> Could you try the attached patch?
>
> regards,
> Hiroshi Inoue
>
>>
>> Thank you,
>> Mihai
>>
>>
>> On Dec 21, 2017 2:50 PM, "Inoue, Hiroshi" <h-inoue(at)dream(dot)email(dot)ne(dot)jp <mailto:h-inoue(at)dream(dot)email(dot)ne(dot)jp>> wrote:
>> Hi Mihai,
>>
>>
>> On 2017/12/21 17:26, Mihai Giurgeanu wrote:
>> Hi,
>>
>> When executing a prepared insert statement and using SQL_DATA_AT_EXEC parameters that will be sent with SQLParamData and SQLPutData, the driver will leak memory for parameters. The memory will not be deallocated not even the handles are freed and the program disconnects from the database.
>>
>> I am attaching a small project to demonstrate the bug. You can also browse the project at https://hub.darcs.net/mihaigiurgeanu/psqlodbc-insert-leak <https://hub.darcs.net/mihaigiurgeanu/psqlodbc-insert-leak>
>>
>> Thanks for the report.
>> It would take some time to examine the issue because I am very busy now,
>>
>> regards,
>> Hiroshi Inoue
> <data_at_exec.patch>

In response to

Browse pgsql-odbc by date

  From Date Subject
Next Message Hiroshi Saito 2017-12-27 14:42:19 psqlODBC 10.01.0000 Released
Previous Message Inoue, Hiroshi 2017-12-23 00:56:49 Re: Memory leak when using SQLParamData and SQLPutData