(PHP 4, PHP 5, PHP 7, PHP 8)
odbc_primarykeys — Gets the primary keys for a table
$odbc
,$catalog
,$schema
,$table
Returns a result object that can be used to fetch the column names that comprise the primary key for a table.
odbc
Ідентифікатор з'єднання ODBC. Докладніше: odbc_connect().
catalog
Каталог ('qualifier' мовою ODBC 2).
schema
Схема ('owner' мовою ODBC 2).
table
Returns an ODBC result object або false
в разі помилки.
The result set has the following columns:
TABLE_CAT
TABLE_SCHEM
TABLE_NAME
COLUMN_NAME
KEY_SEQ
PK_NAME
The result set is ordered by TABLE_CAT
, TABLE_SCHEM
,
TABLE_NAME
and KEY_SEQ
.
Версія | Опис |
---|---|
8.4.0 |
odbc expects an Odbc\Connection
instance now; previously, a resource was expected.
|
8.4.0 | This function returns an Odbc\Result instance now; previously, a resource was returned. |
Приклад #1 List primary Keys of a Column
<?php
$conn = odbc_connect($dsn, $user, $pass);
$primarykeys = odbc_primarykeys($conn, 'TutorialDB', 'dbo', 'TEST');
while (($row = odbc_fetch_array($primarykeys))) {
print_r($row);
break; // further rows omitted for brevity
}
?>
Поданий вище приклад виведе щось схоже на:
Array ( [TABLE_CAT] => TutorialDB [TABLE_SCHEM] => dbo [TABLE_NAME] => TEST [COLUMN_NAME] => id [KEY_SEQ] => 1 [PK_NAME] => PK__TEST__3213E83FE141F843 )