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Bug #58124 Autocommit state machine seems to be borked with multiple links
Submitted: 2008-03-27 07:40 UTC Modified: 2017-10-24 08:41 UTC
From: alexander dot thiem at ingres dot com Assigned:
Status: Suspended Package: ingres (PECL)
PHP Version: 5.2.4 OS: Linux
Private report: No CVE-ID: None
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 [2008-03-27 07:40 UTC] alexander dot thiem at ingres dot com
When using multiple connections switching on and off autocommit seems to confuse the drivers internal state machine. Autocommit stays off even when it shouldn't.
The code pasted below SHOULD deadlock with the two concurrent inserts but it doesn't.
If you leave out all the lines above it will hang as expected.

Reproduce code:
$link1 = ingres2_connect( ... );
$link2 = ingres2_connect( ... );


$res1 = ingres2_query($link1, "select * from table");
$res2 = ingres2_query($link2, "select * from table");


$res1 = ingres2_query($link1, "insert into table values ( ... )");
$res2 = ingres2_query($link2, "insert into table values ( ... )");


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 [2017-10-24 08:41 UTC]
-Status: Open +Status: Suspended
 [2017-10-24 08:41 UTC]
The ingres package has not had any activity for 4 years, so its safe to say that its no longer in active development, if activity picks backup then the maintainer can re-open this report
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