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DocResult::getWarningsCount

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DocResult::getWarningsCountGet warning count from last operation

Descrierea

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.

Parametri

Această funcție nu are parametri.

Valorile întoarse

The number of warnings from the last operation.

Exemple

Example #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());
?>

Exemplul de mai sus va afișa ceva similar cu:

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