I am using the cRedisCache extension of yii, how can I get all the keys of a pattern from redis using cRedisCache.
Suppost you are looking for all keys start from "ltp".
Add this code in main.php for redis configuration
cache => array(
'class' => 'CRedisCache',
'hostname' => '172.16.3.37',
'port' => 6379,
'database' => 0,
'hashKey' => false,
'keyPrefix' => '',
);
When using redis to get all keys
$result = Yii::app()->cache->executeCommand('keys', array('ltp_*'));
foreach ($result as $mainkey => $value) {
// your loop here
}
According to the docs at the crediscache docs page there is an executeCommand
Method which allows you to pass a Redis command. The Redis docs at http://Redis.io/commands detail the SCAN command which will let you iterate over some of the keys in the DB until you have gem all. This will not be a trivial task, but should work.
Related
I am building a WebDAV server using sabre/dav, I want to create a WebDAV server file storage location in Wasabi which is compatible with AmazonS3, I did some research and found something that looks like AWS.php but I don't know how to use it. If anyone knows how to do this specifically, please respond.
What we tried:
・Download s3dav (https://github.com/audionamix/s3dav) and install the file.
・Server.php was written as follows
<?php
use Sabre\DAV;
use Aws\S3\S3Client;
// The autoloader
require 'vendor/autoload.php';
$raw_credentials = array(
'credentials' => array(
'key' => '<insert-access-key>',
'secret' => '<insert-secret-key>'
),
//'profile' => 'wasabi',
'endpoint' => 'https://s3.wasabisys.com',
'region' => 'us-east-1',
'version' => 'latest',
'use_path_style_endpoint' => true,
'use_path_style' => true,
'use_ssl' => true,
'port' => 443,
'hostname' => 's3.wasabisys.com',
'bucket' => '<bucket-name>',
);
// establish an S3 Client.
$s3 = S3Client::factory($raw_credentials);
// Now we're creating a whole bunch of objects
//$rootDirectory = new DAV\FS\Directory('public');
$rootDirectory = new DAV\FS\S3Directory("/",'<bucket-name>',$s3);
// The server object is responsible for making sense out of the WebDAV protocol
$server = new DAV\Server($rootDirectory);
// If your server is not on your webroot, make sure the following line has the
// correct information
$server->setBaseUri('/server.php/');
// The lock manager is reponsible for making sure users don't overwrite
// each others changes.
$lockBackend = new DAV\Locks\Backend\File('data/locks');
$lockPlugin = new DAV\Locks\Plugin($lockBackend);
$server->addPlugin($lockPlugin);
// This ensures that we get a pretty index in the browser, but it is
// optional.
$server->addPlugin(new DAV\Browser\Plugin());
// All we need to do now, is to fire up the server
$server->exec();
Result:
The file name list is displayed, but it is displayed as 0 bytes.
Uploading is working, but other operations are not working (file size is correct on Wasabi).
”4.4.0 Exception Cannot traverse an already closed generator" is displayed.
I'm using the Amazon AWS SDK for PHP (namely, version 2.7.16) to upload files to an S3 bucket. How can I set a timeout for http/tcp operations (connection, upload, etc.)? Although I've googled a lot I wasn't able to find out how.
Sample code I'm using:
$awsS3Client = Aws\S3\S3Client::factory(array(
'key' => '...',
'secret' => '...'
));
$awsS3Client->putObject(array(
'Bucket' => '...',
'Key' => 'destin/ation.file',
'ACL' => 'private',
'Body' => 'content'
));
so I'd like to set a timeout on the putObject() call.
Thanks!
Eventually I helped myself:
$awsS3Client = Aws\S3\S3Client::factory(array(
'key' => '...',
'secret' => '...'
'curl.options' => array(
CURLOPT_CONNECTTIMEOUT => 5,
CURLOPT_TIMEOUT => 10,
)
));
Looks like AWS PHP uses curl internally, so network related options are set this way.
With SDK version 3 this can be configured using the http configuration key.
$awsS3Client = Aws\S3\S3Client([
'key' => '...',
'secret' => '...',
'http' => [
'connect_timeout' => 5,
'timeout' => 10,
]
]);
Can I have Eloquent ORM run a query without using prepared statements? Or do I have to use whereRaw()?
I need to use a raw query because I'm trying to interact with InfiniDB, which lacks support for prepared statements from PHP. At any rate, all queries will be using internally generated data, not user input so it should not be a security issue.
For anything other than SELECT you can use unprepared()
DB::unprepared($sql);
For an unprepared SELECT you can use plain PDO query() by getting access to active PDO connection through getPdo()
$pdo = DB::getPdo();
$query = $pdo->query($sql);
$result = $query->fetchAll();
There's an easy way to do it. In the file config/database.php you can specify options for php PDO like so:
'mysql_unprepared' => [
'driver' => 'mysql',
'host' => env('DB_HOST', '127.0.0.1'),
'port' => env('DB_PROXY_PORT', '6033'),
'username' => env('DB_CACHED_USERNAME', 'forge'),
'password' => env('DB_CACHED_PASSWORD', ''),
'database' => env('DB_DATABASE', 'forge'),
'unix_socket' => env('DB_SOCKET', ''),
'charset' => 'utf8mb4',
'collation' => 'utf8mb4_unicode_ci',
'prefix' => '',
'prefix_indexes' => true,
'strict' => true,
'engine' => null,
'options' => extension_loaded('pdo_mysql') ? [
PDO::ATTR_EMULATE_PREPARES => true,
] : [],
'modes' => [
'ONLY_FULL_GROUP_BY',
'STRICT_TRANS_TABLES',
'NO_ZERO_IN_DATE',
'NO_ZERO_DATE',
'ERROR_FOR_DIVISION_BY_ZERO',
'NO_ENGINE_SUBSTITUTION',
],
],
As you can see, there is an option PDO::ATTR_EMULATE_PREPARES which, when set to true, will do a prepare-like action on application level and send the query unprepared instead. I didn't figure PDO had this option until I had already created an extension for Laravel's mysql driver just to intercept select queries and do unprepared mysqli queries instead so that ProxySql could cache them.
So this answer could have been a lot more complicated. Cheers.
I'm struggling to find any information on how to configure SQLite in Kohana 3.2. I mainly need to know:
What should I set hostname, database, username and password to (with default user and no password)?
Also, how can I set the path to the SQLite database file?
What should the "type" be? I tried "sqlite" but I get an error Class 'Database_Sqlite' not found.
This is my current configuration options:
'exportedDatabase' => array
(
'type' => 'sqlite',
'connection' => array(
/**
* The following options are available for MySQL:
*
* string hostname server hostname, or socket
* string database database name
* string username database username
* string password database password
* boolean persistent use persistent connections?
*
* Ports and sockets may be appended to the hostname.
*/
'hostname' => $hostname,
'database' => $database,
'username' => $username,
'password' => $password,
'persistent' => FALSE,
),
'table_prefix' => '',
'charset' => 'utf8',
'caching' => FALSE,
'profiling' => TRUE,
),
You can use PDO through Database module. The proper way of configuring it looks like this:
'exportedDatabase' => array(
'type' => 'pdo',
'connection' => array(
'dsn' => 'sqlite:/path/to/file.sqlite',
'persistent' => FALSE,
),
'table_prefix' => '',
'charset' => NULL, /* IMPORTANT- charset 'utf8' breaks sqlite(?) */
'caching' => FALSE,
'profiling' => TRUE,
),
One disadvantage of using PDO in Kohana is that in ORM you have to specify all fields by hand in your model (you should do it anyway for performance reasons) because of how different database systems handle listing of table fields.
There is also real database module created by banditron. You have to remember that's it is NOT a drop-in replacement for Database module and therefore Kohana's ORM will not work with it. Other than that it's pretty neat and has wide support for database systems other than SQLite.
As I found out, Kohana 3.x doesn't actually support SQLite. There's an unsupported module for it and, as far as I can tell, it's not working.
It's easy enough to use PDO though and the syntax is pretty much the same as Kohana's ORM:
$db = new PDO('sqlite:' . $dbFilePath);
$query = $db->prepare('CREATE TABLE example (id INTEGER PRIMARY KEY, something TEXT)');
$query->execute();
$query = $db->prepare("INSERT INTO example (id, something) VALUES (:id, :something)");
$query->bindParam(':id', $id);
$query->bindParam(':something', $something);
$query->execute();
I don't use Kohana, but this should work:
'hostname' => /path/to/your/sql/lite/file.sqlite
'database' => ''
'username' => ''
'password' => ''
Is there any way to use Kohana's ORM with Amazon RDS?
I found the Amazon PHP SDK but I'm not sure how to plug it into Kohana so that the ORM uses it. I also couldn't find any Kohana module for Amazon RDS. Any suggestion?
Yes, this is absolutely possible. I have this exact configuration for my website.
In your AWS management console, you will need to get the "endpoint" of your RDS server. The name is quite long and begins with the name of your DB instance. (See the code below for example)
Next, open your database configuration file: application/config/database.php
In the 'default' configuration, change your hostname to the endpoint. Also change the database, username and password to whatever yours is set up with:
'default' => array
(
'type' => 'mysql',
'connection' => array(
/**
* The following options are available for MySQL:
*
* string hostname server hostname, or socket
* string database database name
* string username database username
* string password database password
* boolean persistent use persistent connections?
*
* Ports and sockets may be appended to the hostname.
*/
'hostname' => 'your-db-instance.njgo7sn43.us-east-1.rds.amazonaws.com',
'database' => 'db_name',
'username' => 'username',
'password' => 'SuperCaliFrajilisticExpiAliDocious',
'persistent' => FALSE,
),
'table_prefix' => '',
'charset' => 'utf8',
'caching' => FALSE,
'profiling' => TRUE,
),
Also, in your application/bootstrap.php file, make sure to UN-comment the database module:
Kohana::modules(array(
'database' => MODPATH.'database', // Database access
'orm' => MODPATH.'orm', // Object Relationship Mapping
));
The ORM module is optional but very nice to use.
Hope this helps!