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Package drill-connector
Short Description Objects that allow you to programmatically connect to Apache Drill.
License Apache-2.0
Homepage http://thedataist.com
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Informations about the package drill-connector
PHP Library to Connect to Apache Drill.
This library allows you to connect to and query Apache Drill programmatically. It is loosely modeled after PHP's mysql interface, so if you are familiar with that, you already pretty much know how to use the Drill connector.
Installing the Connector
The connector is on the Packageist (https://packagist.org/packages/thedataist/drill-connector) and can be installed by using composer as follows:
Using the Connector
The first step is to connect to Drill. The module uses Drill's RESTful interface, so it doesn't really make a "connection" in the same sense as MySQL.
As mentioned earlier, this creates the object, but doesn't actually send anything to Drill. You can use the is_active() menthod to verify that your connection is active.
Querying Drill
Now that you've connected to Drill, you can query drill in much a similar way as MySQL by calling the query() method. Once you've called the query() method, you can use one of the fetch() methods to retrieve the results, in a similar manner as MySQL. Currently the Drill connector currently has:
fetch_all(): Returns all query results in an associative array.fetch_assoc(): Returns a single query row as an associative array.fetch_object(): Returns a single row as a PHP Object.
You might also find these functions useful:
data_seek($n): Returns the row at index$nand sets the current row to$n.num_rows(): Returns the number of rows returned by the query.field_count(): Returns the number of columns returned by the query.
Thus, if you want to execute a query in Drill, you can do so as follows:
Interacting with Drill
You can also use the connector to activate/deactivate Drill's storage as well as get information about Drill's plugins.
disable_plugin( $plugin )Disables the given plugin. Returns true if successful, false if not.enable_plugin( $plugin )Enables the given plugin. Returns true if successful, false if not.get_all_storage_plugins()Returns an array of all storage plugins.get_disabled_storage_plugins()Returns an array of all disabled plugins.get_enabled_storage_plugins()Returns an array of all enabled plugins.get_storage_plugins()Returns an associative array of plugins and associated configuration options for all plugins.get_storage_plugin_info( $plugin )Returns an associative array of configuration options for a given plugin.
