sqlsrv_field_metadata

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sqlsrv_field_metadata — Retrieves metadata for the fields of a statement prepared by sqlsrv_prepare() or sqlsrv_query()

Описание

mixed sqlsrv_field_metadata ( resource $stmt )

Retrieves metadata for the fields of a statement prepared by sqlsrv_prepare() or sqlsrv_query(). sqlsrv_field_metadata() can be called on a statement before or after statement execution.

Список параметров

stmt -

The statment resource for which metadata is returned.

Возвращаемые значения

Returns an array of arrays is returned on success. Otherwise, FALSE is returned. Each returned array is described by the following table:

Array returned by sqlsrv_field_metadata

Key	Description
Name	The name of the field.
Type	The numeric value for the SQL type.
Size	The number of characters for fields of character type, the number of bytes for fields of binary type, or NULL for other types.
Precision	The precision for types of variable precision, NULL for other types.
Scale	The scale for types of variable scale, NULL for other types.
Nullable	An enumeration indicating whether the column is nullable, not nullable, or if it is not known.

For more information, see » sqlsrv_field_metadata in the Microsoft SQLSRV documentation.

Примеры

Пример #1 sqlsrv_field_metadata() example

$serverName = "serverName\sqlexpress";
$connectionInfo = array( "Database"=>"AdventureWorks", "UID"=>"username", "PWD"=>"password");
$conn = sqlsrv_connect( $serverName, $connectionInfo);
if( $conn === false ) {
   die( print_r( sqlsrv_errors(), true));
}
$sql = "SELECT * FROM Table_1";
$stmt = sqlsrv_prepare( $conn, $sql );
foreach( sqlsrv_field_metadata( $stmt ) as $fieldMetadata ) {
    foreach( $fieldMetadata as $name => $value) {
       echo "$name: $value<br />";
    }
      echo "<br />";
}

Смотрите также

• sqlsrv_client_info() - Returns information about the client and specified connection

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