Name
DB.DBA.SPARQL_EVAL — Local execution of SPARQL via SPARQL protocol, produces a result set of SQL values.
Synopsis
DB.DBA.SPARQL_EVAL
(
|
in query varchar , |
| in dflt_graph varchar , | |
in
maxrows
integer
); |
Description
Local execution of SPARQL via SPARQL protocol, produces a result set of SQL values.
Parameters
query
text of SPARQL query to execute.
dflt_graph
default graph IRI, if not NULL then this overrides what is specified in query
maxrows
limit on numbers of rows that should be returned.
Return Types
any
Examples
Example 24.302. Simple Use
SQL>DB.DBA.SPARQL_EVAL('SELECT * WHERE {?s ?p ?o}','http://example/bookStore' ,10);
s p o
VARCHAR VARCHAR VARCHAR
_______________________________________________________________________________
http://example/book3 http://purl.org/dc/elements/1.1/title Fundamentals
http://example/book3 http://purl.org/dc/elements/1.1/date 2002-01-01T00:00:00
http://example/book2 http://purl.org/dc/elements/1.1/title Design notes
http://example/book2 http://purl.org/dc/elements/1.1/date 2001-01-01T00:00:00
4 Rows. -- 30 msec.