cubrid_col_size

(PECL CUBRID >= 8.3.0)

cubrid_col_size — Get the number of elements in collection type column using OID

Descrizione

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.

Elenco dei parametri

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.

Valori restituiti

Number of elements, when process is successful.

FALSE, when process is unsuccessful.

Log delle modifiche

Versione	Descrizione
8.3.1	Change return value: when process is unsuccessful, return false, not -1.

Esempi

Example #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($req, 1, CUBRID_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);
?>

Il precedente esempio visualizzerà:

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