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Collection::find — Search for document
Search a database collection for a document or set of documents. The found documents are returned as a CollectionFind object is to further modify or fetch results from.
search_conditionAlthough optional, normally a condition is defined to limit the results to a subset of documents.
Multiple elements might build the condition and the syntax supports parameter binding. The expression used as search condition must be a valid SQL expression. If no search condition is provided (field empty) then find('true') is assumed.
A CollectionFind object to verify the operation, or fetch the found documents.
Example #1 mysql_xdevapi\Collection::find() 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");
$collection = $schema->createCollection("people");
$collection->add('{"name": "Alfred", "age": 18, "job": "Butler"}')->execute();
$collection->add('{"name": "Bob", "age": 19, "job": "Swimmer"}')->execute();
$collection->add('{"name": "Fred", "age": 20, "job": "Construction"}')->execute();
$collection->add('{"name": "Wilma", "age": 21, "job": "Teacher"}')->execute();
$collection->add('{"name": "Suki", "age": 22, "job": "Teacher"}')->execute();
$find = $collection->find('job LIKE :job AND age > :age');
$result = $find
->bind(['job' => 'Teacher', 'age' => 20])
->sort('age DESC')
->limit(2)
->execute();
print_r($result->fetchAll());
?>The above example will output:
Array
(
[0] => Array
(
[_id] => 00005b6b536100000000000000a8
[age] => 22
[job] => Teacher
[name] => Suki
)
[1] => Array
(
[_id] => 00005b6b536100000000000000a7
[age] => 21
[job] => Teacher
[name] => Wilma
)
)