Get the number of elements in collection type column using OID


(PECL CUBRID >= 8.3.0)

cubrid_col_sizeGet the number of elements in collection type column using OID

Описание

int cubrid_col_size ( resource $conn_identifier , string $oid , string $attr_name )

The cubrid_col_size() function is used to get the number of elements in a collection type (set, multiset, sequence) attribute.

Список параметров

conn_identifier

Connection identifier.

oid

OID the instance that you want to work with.

attr_name

Name of the attribute that you want to work with.

Возвращаемые значения

Number of elements, when process is successful.

FALSE, when process is unsuccessful.

Список изменений

Версия Описание
8.3.1 Change return value: when process is unsuccessful, return false, not -1.

Примеры

Пример #1 cubrid_col_size() example

<?php
$conn 
cubrid_connect("localhost"33000"demodb""dba");

@
cubrid_execute($conn"DROP TABLE foo");
cubrid_execute($conn"CREATE TABLE foo(a int AUTO_INCREMENT, b set(int), c list(int), d char(10))");
cubrid_execute($conn"INSERT INTO foo(a, b, c, d) VALUES(1, {1,2,3}, {11,22,33,333}, 'a')");

$req cubrid_execute($conn"SELECT * FROM foo"CUBRID_INCLUDE_OID);

cubrid_move_cursor($req1CUBRID_CURSOR_FIRST);
$oid cubrid_current_oid($req);

$attr cubrid_col_get($conn$oid"b");
var_dump($attr);

$size cubrid_col_size($conn$oid"b");
var_dump($size);

cubrid_close_request($req);
cubrid_disconnect($conn);
?>

Результат выполнения данного примера:

 array(3) {   [0]=>   string(1) "1"   [1]=>   string(1) "2"   [2]=>   string(1) "3" } int(3)