ibm_db2
PHP Manual

db2_get_option

(PECL ibm_db2:1.6.0-1.6.2)

db2_get_option — Retrieves an option value for a statement resource or a connection resource

Описание

string db2_get_option ( resource $resource , string $option )

Retrieves the value of a specified option value for a statement resource or a connection resource.

Список параметров

resource

A valid statement resource as returned from db2_prepare() or a valid connection resource as returned from db2_connect() or db2_pconnect().

option

A valid statement or connection options. The following new options are available as of ibm_db2 version 1.6.0. They provide useful tracking information that can be set during execution with db2_get_option().

Замечание: 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 (.).

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.

Замечание: 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.

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.

Замечание: Note DB2 for z/OS and OS/390 servers support up to a length of 200 characters.

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.

Замечание: Note DB2 for z/OS and OS/390 servers support up to a length of 32 characters.

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.

Замечание: 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 -

Возвращаемые значения

Returns the current setting of the connection attribute provided on success or FALSE on failure.

Примеры

Пример #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 conection string:\n";

/* 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 . "\n";

$options2 = array('acctstr' => 'account');
$conn2 = db2_connect($database, $user, $password, $options2);
$val = db2_get_option($conn2, 'acctstr');
echo $val . "\n";

$options3 = array('applname' => 'myapp');
$conn3 = db2_connect($database, $user, $password, $options3);
$val = db2_get_option($conn3, 'applname');
echo $val . "\n";

$options4 = array('wrkstnname' => 'workstation');
$conn4 = db2_connect($database, $user, $password, $options4);
$val = db2_get_option($conn4, 'wrkstnname');
echo $val . "\n";

echo "Client attributes passed post-conection:\n";

/* 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 . "\n";

$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 . "\n";

$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 . "\n";

$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 . "\n";
?>

Результат выполнения данного примера:

Client attributes passed through conection string:
db2inst1
account
myapp
workstation
Client attributes passed post-connection:
db2inst1
account
myapp
workstation

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