rasqal-query.log

$ cat tests/sparql/examples/ex11_0.rq 
PREFIX a:      <http://www.w3.org/2000/10/annotation-ns#>
PREFIX dc:     <http://purl.org/dc/elements/1.1/>
PREFIX xsd:    <http://www.w3.org/2001/XMLSchema#>

SELECT ?annot
WHERE { ?annot  a:annotates  <http://www.w3.org/TR/rdf-sparql-query/> .
        ?annot  dc:created   ?date .
        FILTER ( ?date < xsd:dateTime("2005-01-01T00:00:00Z") ) }


$ utils/roqet -d debug -D data/dc.rdf tests/sparql/examples/ex11_0.rq  2>&1 | grep -v rasqal_
lt-roqet: Querying from file tests/sparql/examples/ex11_0.rq
Query variables-use map (B=bound, M=mentioned, U=used):
GP#  Type      annot      date       
--   Verbs     M                    
--   GROUP BY                       
--   HAVING                         
--   ORDER BY                       
0    Group                          
1    Basic     M          M         
2    Filter               M         
Query:
Project(
        Filter(
               BGP(
                   triple(variable(annot), uri<http://www.w3.org/2000/10/annotation-ns#annotates>, uri<http://www.w3.org/TR/rdf-sparql-query/>) ,
                   triple(variable(annot), uri<http://purl.org/dc/elements/1.1/created>, variable(date))
               ) ,
               expr(op lt(expr(variable(date)), expr(datetime(2005-01-01T00:00:00Z))))
        ) ,
        Variables([ variable(annot) ])
)
project(
        filter(
               triple pattern(
                              
               )
        )
)
query verb: SELECT
data graphs: [data graph(file:///home/dajobe/dev/redland/rasqal/data/dc.rdf, flags 2)]
named variables: [variable(annot), variable(date)]
anonymous variables: []
bound variables: [variable(annot)]
triples: [triple(variable(annot), uri<http://www.w3.org/2000/10/annotation-ns#annotates>, uri<http://www.w3.org/TR/rdf-sparql-query/>), triple(variable(annot), uri<http://purl.org/dc/elements/1.1/created>, variable(date))]
prefixes: [prefix(a as http://www.w3.org/2000/10/annotation-ns#), prefix(dc as http://purl.org/dc/elements/1.1/), prefix(xsd as http://www.w3.org/2001/XMLSchema#)]
query graph pattern: graph pattern[0] Group(over 2 graph patterns[
    graph pattern[1] Basic(over 2 triples[
        triple(variable(annot), uri<http://www.w3.org/2000/10/annotation-ns#annotates>, uri<http://www.w3.org/TR/rdf-sparql-query/>) ,
        triple(variable(annot), uri<http://purl.org/dc/elements/1.1/created>, variable(date))
      ]
    ) ,
    graph pattern[2] Filter(
        expr(op lt(expr(variable(date)), expr(datetime(2005-01-01T00:00:00Z))))
    )
  ]
)
lt-roqet: Query has a variable bindings result
lt-roqet: Query returned 0 results
query verb: SELECT
data graphs: [data graph(file:///home/dajobe/dev/redland/rasqal/data/dc.rdf, flags 2)]
named variables: [variable(annot), variable(date)]
anonymous variables: []
bound variables: [variable(annot)]
triples: [triple(variable(annot), uri<http://www.w3.org/2000/10/annotation-ns#annotates>, uri<http://www.w3.org/TR/rdf-sparql-query/>), triple(variable(annot), uri<http://purl.org/dc/elements/1.1/created>, variable(date))]
prefixes: [prefix(a as http://www.w3.org/2000/10/annotation-ns#), prefix(dc as http://purl.org/dc/elements/1.1/), prefix(xsd as http://www.w3.org/2001/XMLSchema#)]
query graph pattern: graph pattern[0] Group(over 2 graph patterns[
    graph pattern[1] Basic(over 2 triples[
        triple(variable(annot), uri<http://www.w3.org/2000/10/annotation-ns#annotates>, uri<http://www.w3.org/TR/rdf-sparql-query/>) ,
        triple(variable(annot), uri<http://purl.org/dc/elements/1.1/created>, variable(date))
      ]
    ) ,
    graph pattern[2] Filter(
        expr(op lt(expr(variable(date)), expr(datetime(2005-01-01T00:00:00Z))))
    )
  ]
)