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cubrid_prepare

(PECL CUBRID >= 8.3.0)

cubrid_prepare — Prepare an SQL statement for execution


Описание

resource cubrid_prepare ( resource $conn_identifier , string $prepare_stmt [, int $option = 0 ] )

The cubrid_prepare() function is a sort of API which represents SQL statements compiled previously to a given connection handle. This pre-compiled SQL statement will be included in the cubrid_prepare().

Accordingly, you can use this statement effectively to execute several times repeatedly or to process long data. Only a single statement can be used and a parameter may put a question mark (?) to appropriate area in the SQL statement. Add a parameter when you bind a value in the VALUES clause of INSERT statement or in the WHERE clause. Note that it is allowed to bind a value to a MARK(?) by the cubrid_bind() only.


Список параметров

conn_identifier -

Connection identifier.

prepare_stmt -

Prepare query.

option -

OID return option CUBRID_INCLUDE_OID.


Возвращаемые значения

Request identifier, if process is successful;

FALSE, if process is unsuccessful.


Примеры

Пример #1 cubrid_prepare() example
$conn = cubrid_connect("localhost", 33000, "demodb");
$sql = <<<EOD
SELECT g.event_code, e.name 
FROM game g 
JOIN event e ON g.event_code=e.code 
WHERE host_year = ? AND event_code NOT IN (SELECT event_code FROM game WHERE host_year=?) GROUP BY event_code;
EOD;
$req = cubrid_prepare($conn, $sql);
cubrid_bind($req, 1, 2004);
cubrid_bind($req, 2, 2000);
cubrid_execute($req);
$row_num = cubrid_num_rows($req);
printf("There are %d event that exits in 2004 olympic but not in 2000. For example:\n\n", $row_num);
printf("%-15s %s\n", "Event_code", "Event_name");
printf("----------------------------\n");
$row = cubrid_fetch_assoc($req);
printf("%-15d %s\n", $row["event_code"], $row["name"]);
$row = cubrid_fetch_assoc($req);
printf("%-15d %s\n", $row["event_code"], $row["name"]);
cubrid_disconnect($conn);

Результат выполнения данного примера:


There are 27 event that exits in 2004 olympic but not in 2000. For example:

Event_code Event_name
----------------------------
20063 +91kg
20070 64kg

Смотрите также


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