JPQL

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xamry edited this page Nov 8, 2012 · 5 revisions

Below table lists different JPA query language constructs and whether they are supported for given datastore in Kundera.

JPA-QL Clause	Cassandra	HBase	MongoDB	RDBMS
SELECT	✔	✔	✔	✔
UPDATE	✔	✔	✔	✔
DELETE	✔	✔	✔	✔
ORDER BY	X	X	✔	✔
AND	✔	✔	✔	✔
OR	X (Yes with Lucene)	✔	✔	✔
BETWEEN	✔	✔	✔	✔
LIKE	X (Yes with Lucene)	✔	✔	✔
=	✔	✔	✔	✔
>	✔	✔	✔	✔
<	✔	✔	✔	✔
>=	✔	✔	✔	✔
<=	✔	✔	✔	✔

Please Note:

Kundera supports all above query operations/ clauses on primary key attributes (@Id) and column attributes (@Column).
Queries that contain combination for primary key attribute and columns are supported.

Examples on using JPQL can be found here.