Managing Hive databases

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Overview
How to handle a database with Hive in programming?

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Managing Hive databases

Available only with these kinds of connection

Overview

Hive is a software layer of Hadoop used to run queries.
Hive uses the HiveQL language that is close to SQL.
The developer specifies his query by using HiveQL (syntax derived from SQL) and the Hive engine translates this query to interrogate the HBase database in native mode..
In version 21, you have the ability to run HiveQL queries by using the SQL functions of WLanguage.

How to handle a database with Hive in programming?

To handle a database with Hive, you must use the SQL functions of WLanguage.
You can:

Connect to the database (SQLConnect or SQLConnectWS).
Retrieve data (SQLExec). For more details, see the HiveQL documentation.
Disconnect from the database (SQLDisconnect).Example:

NumConnexion is int
NumConnexion = SQLConnect("master2.hadoop1.monserveur.com", "sa", "", "default", "HIVE")
IF NumConnexion <> 0 THEN
	// La connexion s'est bien passée
	// Utilisation de la connexion pour exécuter des requêtes SQL
	IF SQLExec("SELECT * FROM EQUIPE WHERE NOM='HOU'") = True THEN
		// Traitement de la requête
	ELSE
		// Échec de la requête : affichage d'un message explicatif
		SQLInfo("RECHCLIENTPARNOM")
		Error("Erreur" + SQL.Error + "dans la requête : ", SQL.MesError)
	END
ELSE
	// La connexion a échoué : affichage d'un message explicatif
	SQLInfo()
	Error("La connexion à la source de données a échoué." + CR + ...
		"Code erreur : " + SQL.Error + CR + SQL.MesError)
END
// Dans tous les cas (connexion OK ou pas)
SQLDisconnect()

Please note: HiveQL database access is only available at runtime on Windows Vista or Windows Server 2008.