Auto Detection/Restart of Sybase Deadlocks

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LEARN ABOUT PHP

sybase_pconnect

SYBASE_PCONNECT(3)														SYBASE_PCONNECT(3)

sybase_pconnect - Open persistent Sybase connection

SYNOPSIS

       resource sybase_pconnect ([string  $servername], [string  $username], [string  $password], [string  $charset], [string  $appname])

DESCRIPTION

       sybase_pconnect(3) acts very much like sybase_connect(3) with two major differences.

	First,	when  connecting,  the	function  would first try to find a (persistent) link that's already open with the same host, username and
       password. If one is found, an identifier for it will be returned instead of opening a new connection.

	Second, the connection to the SQL server will not be closed when the execution of the script ends. Instead, the link will remain open  for
       future use (sybase_close(3) will not close links established by sybase_pconnect(3)).

	This type of links is therefore called 'persistent'.

PARAMETERS

	      o $servername
		- The servername argument has to be a valid servername that is defined in the 'interfaces' file.

	      o $username
		- Sybase user name

	      o $password
		- Password associated with $username.

	      o $charset
		- Specifies the charset for the connection

	      o $appname
		- Specifies an appname for the Sybase connection. This allow you to make separate connections in the same script to the same data-
		base. This may come handy when you have started a transaction in your current connection, and you need to be able to do a separate
		query which cannot be performed inside this transaction.

RETURN VALUES

	Returns a positive Sybase persistent link identifier on success, or FALSE on error.

SEE ALSO

       sybase_connect(3).

PHP Documentation Group 													SYBASE_PCONNECT(3)

Shell Programming and Scripting