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DocResult::getWarningsCount

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DocResult::getWarningsCountGet warning count from last operation

Açıklama

public mysql_xdevapi\DocResult::getWarningsCount(): int

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

Bağımsız Değişkenler

Bu işlevin bağımsız değişkeni yoktur.

Dönen Değerler

The number of warnings from the last operation.

Örnekler

Örnek 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());
?>

Yukarıdaki örnek şuna benzer bir çıktı üretir:

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