DocResult::getWarningsCount

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DocResult::getWarningsCount — Get warning count from last operation

説明

public mysql_xdevapi\DocResult::getWarningsCount ( void ) : integer

Returns the number of warnings raised by the last operation. Specifically, these warnings are raised by the MySQL server.

パラメータ

この関数にはパラメータはありません。

返り値

The number of warnings from the last operation.

例

例1 mysql_xdevapi\DocResult::getWarningsCount() example


<?php
$session = mysql_xdevapi\getSession("mysqlx://user:password@localhost");
$session->sql("DROP DATABASE IF EXISTS addressbook")->execute();
$session->sql("CREATE DATABASE addressbook")->execute();

$schema = $session->getSchema("addressbook");
$create = $schema->createCollection("people");

$create->add('{"name": "Alfred", "age": 18, "job": "Butler"}')->execute();
$create->add('{"name": "Reginald", "age": 42, "job": "Butler"}')->execute();

// ...

$collection = $schema->getCollection("people");

// Yields a DocResult object
$result = $collection
  ->find('job like :job and age > :age')
  ->bind(['job' => 'Butler', 'age' => 16])
  ->sort('age desc')
  ->execute();

if (!$result->getWarningsCount()) {
    echo "There was an error:\n";
    print_r($result->getWarnings());
    exit;
}

var_dump($result->fetchOne());
?>

上の例の出力は、たとえば以下のようになります。

array(4) {
  ["_id"]=>
  string(28) "00005b6b53610000000000000135"
  ["age"]=>
  int(42)
  ["job"]=>
  string(6) "Butler"
  ["name"]=>
  string(8) "Reginald"
}