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Advanced query builder #496

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abrokenjester opened this issue Sep 7, 2016 · 2 comments
Closed

Advanced query builder #496

abrokenjester opened this issue Sep 7, 2016 · 2 comments
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duplicate issue is a duplicate (close reason) 📶 enhancement issue is a new feature or improvement

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@abrokenjester
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abrokenjester commented Sep 7, 2016 •
edited

(Migrated from https://openrdf.atlassian.net/browse/SES-1065)

Currently, (SPARQL) queries are creating by inputting a full SPARQL query string and parsing it to produce a query algebra expression. An alternative way to build queries programmatically would be useful, for example a fluent-style builder object where one can do things like this:

TupleQuery query = new QueryBuilder.addSelect("x") .addTriple(String s, String p, String o) .addFilter(); ...etc.
@abrokenjester abrokenjester added the 📶 enhancement issue is a new feature or improvement label Sep 7, 2016
@abrokenjester abrokenjester added the help wanted we could use your help in fixing this issue label Jan 24, 2017
@abrokenjester
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A partial implementation of a QueryBuilder exists in RDF4J, but it is incomplete (only supporting SPARQL 1.0 features), and underdocumented and therefore somewhat hard to use. We could choose to either implement a new QueryBuilder from scratch, or extend/improve the existing builder to be easier to use and support more complex queries.

@abrokenjester abrokenjester removed the help wanted we could use your help in fixing this issue label Jun 9, 2018
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Supersed by #979

@abrokenjester abrokenjester added the duplicate issue is a duplicate (close reason) label Jun 9, 2018
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