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cubrid_col_size

(PECL CUBRID >= 8.3.0)

cubrid_col_sizeGet the number of elements in collection type column using OID

説明

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

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

パラメータ

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.

返り値

Number of elements, when process is successful,失敗した場合に false を返します.

変更履歴

バージョン 説明
8.3.1 Change return value: when process is unsuccessful, return false, not -1.

例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);
?>

上の例の出力は以下となります。

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