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DB2_GET_OPTION(3) 1 DB2_GET_OPTION(3)
db2_get_option - Retrieves an option value for a statement resource or a connection resource
SYNOPSIS
string db2_get_option (resource $resource, string $option)
DESCRIPTION
Retrieves the value of a specified option value for a statement resource or a connection resource.
PARAMETERS
o $resource
- A valid statement resource as returned from db2_prepare(3) or a valid connection resource as returned from db2_connect(3) or
db2_pconnect(3).
o $option
- A valid statement or connection options. The following new options are available as of ibm_db2 version 1.6.0. They provide use-
ful tracking information that can be set during execution with db2_get_option(3).
Note
Prior versions of ibm_db2 do not support these new options.
When the value in each option is being set, some servers might not handle the entire length provided and might truncate the
value.
To ensure that the data specified in each option is converted correctly when transmitted to a host system, use only the
characters A through Z, 0 through 9, and the underscore (_) or period (.).
o $userid
- SQL_ATTR_INFO_USERID - A pointer to a null-terminated character string used to identify the client user ID sent to the
host database server when using DB2 Connect.
Note
DB2 for z/OS and OS/390 servers support up to a length of 16 characters. This user-id is not to be confused with the
authentication user-id, it is for identification purposes only and is not used for any authorization.
o $acctstr
- SQL_ATTR_INFO_ACCTSTR - A pointer to a null-terminated character string used to identify the client accounting string
sent to the host database server when using DB2 Connect.
Note
DB2 for z/OS and OS/390 servers support up to a length of 200 characters.
o $applname
- SQL_ATTR_INFO_APPLNAME - A pointer to a null-terminated character string used to identify the client application name
sent to the host database server when using DB2 Connect.
Note
DB2 for z/OS and OS/390 servers support up to a length of 32 characters.
o $wrkstnname
- SQL_ATTR_INFO_WRKSTNNAME - A pointer to a null-terminated character string used to identify the client workstation name
sent to the host database server when using DB2 Connect.
Note
DB2 for z/OS and OS/390 servers support up to a length of 18 characters.
The following table specifies which options are compatible with the available resource types:
Resource-Parameter Matrix
+-----------+--------------------------+---+---+---+
| Key | | | | |
| | | | | |
| | Value | | | |
| | | | | |
| | Resource Type | | | |
| | | | | |
+-----------+--------------------------+---+---+---+
|Connection | | | | |
| | | | | |
| | Statement | | | |
| | | | | |
| | Result Set | | | |
| | | | | |
| userid | | | | |
| | | | | |
| | | | | |
| | SQL_ATTR_INFO_USERID | | | |
| | | | | |
| | X | | | |
| | | | | |
| | X | | | |
| | | | | |
| | - | | | |
| | | | | |
| acctstr | | | | |
| | | | | |
| | | | | |
| | SQL_ATTR_INFO_ACCTSTR | | | |
| | | | | |
| | X | | | |
| | | | | |
| | X | | | |
| | | | | |
| | - | | | |
| | | | | |
| applname | | | | |
| | | | | |
| | | | | |
| | SQL_ATTR_INFO_APPLNAME | | | |
| | | | | |
| | X | | | |
| | | | | |
| | X | | | |
| | | | | |
| | - | | | |
| | | | | |
|wrkstnname | | | | |
| | | | | |
| | | | | |
| | SQL_ATTR_INFO_WRKSTNNAME | | | |
| | | | | |
| | X | | | |
| | | | | |
| | X | | | |
| | | | | |
| | - | | | |
| | | | | |
+-----------+--------------------------+---+---+---+
RETURN VALUES
Returns the current setting of the connection attribute provided on success or FALSE on failure.
EXAMPLES
Example #1
Setting and retrieving parameters through a connection resource
<?php
/* Database Connection Parameters */
$database = 'SAMPLE';
$user = 'db2inst1';
$password = 'ibmdb2';
/* Obtain Connection Resource */
$conn = db2_connect($database, $user, $password);
echo "Client attributes passed through connection string:
";
/* Create the associative options array with valid key-value pairs */
/* Assign the attributes through connection string */
/* Access the options specified */
$options1 = array('userid' => 'db2inst1');
$conn1 = db2_connect($database, $user, $password, $options1);
$val = db2_get_option($conn1, 'userid');
echo $val . "
";
$options2 = array('acctstr' => 'account');
$conn2 = db2_connect($database, $user, $password, $options2);
$val = db2_get_option($conn2, 'acctstr');
echo $val . "
";
$options3 = array('applname' => 'myapp');
$conn3 = db2_connect($database, $user, $password, $options3);
$val = db2_get_option($conn3, 'applname');
echo $val . "
";
$options4 = array('wrkstnname' => 'workstation');
$conn4 = db2_connect($database, $user, $password, $options4);
$val = db2_get_option($conn4, 'wrkstnname');
echo $val . "
";
echo "Client attributes passed post-connection:
";
/* Create the associative options array with valid key-value pairs */
/* Assign the attributes after a connection is made */
/* Access the options specified */
$options5 = array('userid' => 'db2inst1');
$conn5 = db2_connect($database, $user, $password);
$rc = db2_set_option($conn5, $options5, 1);
$val = db2_get_option($conn5, 'userid');
echo $val . "
";
$options6 = array('acctstr' => 'account');
$conn6 = db2_connect($database, $user, $password);
$rc = db2_set_option($conn6, $options6, 1);
$val = db2_get_option($conn6, 'acctstr');
echo $val . "
";
$options7 = array('applname' => 'myapp');
$conn7 = db2_connect($database, $user, $password);
$rc = db2_set_option($conn7, $options7, 1);
$val = db2_get_option($conn7, 'applname');
echo $val . "
";
$options8 = array('wrkstnname' => 'workstation');
$conn8 = db2_connect($database, $user, $password);
$rc = db2_set_option($conn8, $options8, 1);
$val = db2_get_option($conn8, 'wrkstnname');
echo $val . "
";
?>
The above example will output:
Client attributes passed through connection string:
db2inst1
account
myapp
workstation
Client attributes passed post-connection:
db2inst1
account
myapp
workstation
SEE ALSO
db2_connect(3), db2_cursor_type(3), db2_exec(3), db2_set_option(3), db2_pconnect(3), db2_prepare(3).
PHP Documentation Group DB2_GET_OPTION(3)
