odbc_primarykeys
(PHP 4, PHP 5, PHP 7, PHP 8)
Gets the primary keys for a table
Description
Returns a result object that can be used to fetch the column names that comprise the primary key for a table.
Parameters
odbcId
catalogCatalog
schemaSchema
table
Return Values
Object-return-falseforfailure
The result set has the following columns:
TABLE_CATTABLE_SCHEMTABLE_NAMECOLUMN_NAMEKEY_SEQPK_NAME
Driver-specific
The result set is ordered by TABLE_CAT, TABLE_SCHEM, TABLE_NAME and KEY_SEQ.
Changelog
| Version | Description |
|---|
Examples
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
}
?>The above example will output something similar to:
Array
(
[TABLE_CAT] => TutorialDB
[TABLE_SCHEM] => dbo
[TABLE_NAME] => TEST
[COLUMN_NAME] => id
[KEY_SEQ] => 1
[PK_NAME] => PK__TEST__3213E83FE141F843
)