DocResult::getWarningsCount

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DocResult::getWarningsCountGet warning count from last operation

Description

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.

Parameters

This function has no parameters.

Return Values

The number of warnings from the last operation.

Examples

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());
?>

The above example will output something similar to:

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