Description
ADQL is a SQL-like language which includes astronomical facilities to query a database. This language has been defined by the IVOA in the Recommendation of 30 Oct 2008 (Version 2.0) and is mainly used in the Table Access Protocol (TAP).
Functionalities of the package:
* Parse: read ADQL queries in text and transform them into a Java object (actually, a syntactic tree). * Manipulate: the generated object can be manipulated so than modifying the original query. * Translate: an interface and some implementations lets translating SQL into other languages like SQL.