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Bug #9982 odbc_tables fails without closing previous database
Submitted: 2001-03-25 22:42 UTC Modified: 2001-06-01 23:11 UTC
From: badams at ingenico dot com dot au Assigned:
Status: Closed Package: ODBC related
PHP Version: 4.0.4 OS: winnt4 sp 6
Private report: No CVE-ID: None
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 [2001-03-25 22:42 UTC] badams at ingenico dot com dot au 
If calling odbc_tables in a loop the database connection must be closed before callign odbc_tables again. 

Error
Exception: access violation 0xc0000005)

eg

This FAILS
for($i=0; $i<sizeof($dbname); $i++)
{
  $conn = odbc_conn($dbname[$i], $name, $pword);
  $res = odbc_tables($conn);
  $n = 1;
  while( odbc_fetch_row($res, $n))
  {
     ...
  }
}
odbc_close_all( );

Yet this works fine
for($i=0; $i<sizeof($dbname); $i++)
{
  $conn = odbc_conn($dbname[$i], $name, $pword);
  $res = odbc_tables($conn);
  $i = 1;
  while( odbc_fetch_row($res, $i))
  {
     ...
  }
  odbc_close_all( );
}

Thanks in advance...

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 [2001-04-16 22:50 UTC] kalowsky@php.net 
what is $dbname, and is it possible you've run out of available ODBC connections with your first example?  you are opening up N number of OBDC connections...

and finally does this still exist in the current 4.0.5 or even 4.0.4pl1 releases?
 [2001-04-16 23:15 UTC] badams at ingenico dot com dot au 
$dbname is an array of ODBC data sources.
The number of ODBC connections isn't an issue. It fails on the second call to odbc_tables. The only way to stop the error is to close all connections and open again before called odbc_tables.

This fails on php4.0.4 but I do not have 4.0.5 yet.
thanks
 [2001-06-01 23:11 UTC] kalowsky@php.net 
looks like this is fixed in the CVS as I cannot reproduce this using Win98SE... at least I don't get an error exception...  do try 4.0.5, or one of the 4.0.6 RC's... if it continues for you please re-open the bug.
 [2011-08-30 20:30 UTC] yago@php.net 
Automatic comment from SVN on behalf of yago
Revision: http://svn.php.net/viewvc/?view=revision&amp;revision=315817
Log: Approved change made by anonymous #9982
 
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