def __create_outer_quer_model(query_model1, query_model2):
"""
Joins the prefixes, offset, limit, order and select clauses and variables of the two query models.
Doesn't add the from clause from both variables
:param query_model1:
:param query_model2:
:return: an outer query model
"""
query_model = QueryModel()
#query_model.from_clause.clear()
query_model.add_prefixes(query_model1.prefixes)
query_model.add_prefixes(query_model2.prefixes)
query_model.set_offset(min(query_model1.offset, query_model2.offset))
query_model.set_limit(max(query_model1.limit, query_model2.limit))
query_model.add_order_columns(query_model1.order_clause)
query_model.add_order_columns(query_model2.order_clause)
# TODO: WHY do this here?
# union the select columns
if len(query_model1.select_columns) > 0 and len(query_model1.select_columns) > 0:
query_model.select_columns = query_model1.select_columns.union(query_model2.select_columns)
elif len(query_model1.select_columns) > 0:
query_model.select_columns = query_model1.select_columns.union(query_model2.variables)
elif len(query_model2.select_columns) > 0:
query_model.select_columns = query_model1.variables.union(query_model2.select_columns)
# union the variables
query_model.variables = query_model1.variables.union(query_model2.variables)
return query_model
"to": "http://twitter.com/ontology/",
"dcterms": "http://purl.org/dc/terms/",
"xsd": "http://www.example.org/",
"foaf": "http://xmlns.com/foaf/0.1/",
}
twitterquery.add_prefixes(prefixes)
twitterquery.add_graphs(["http://twitter.com/"])
twitterquery.add_variable("tweep")
twitterquery.add_subquery(subquery)
twitterquery.add_triple("tweet", "sioc:has_creater", "tweep")
twitterquery.add_triple("tweet", " sioc:content", "text")
twitterquery.add_optional_triples("tweet", "sioc:mentions", "mentions")
twitterquery.add_triple("tweet", "to:hashashtag", "hashtag")
twitterquery.add_triple("tweet", 'dcterms:created', 'date')
twitterquery.add_triple("tweet", 'to:hasmedia', 'multimedia')
twitterquery.add_order_columns([("tweep", "ASC")])
twitterquery.add_select_column("tweet")
twitterquery.add_select_column("tweep")
twitterquery.add_select_column("text")
twitterquery.add_select_column("date")
twitterquery.add_select_column("hashtag")
twitterquery.add_select_column("mentions")
twitterquery.add_select_column("multimedia")
#twitterquery.add_variable("text")
#twitterquery.add_variable("hashtag")
#twitterquery.add_variable("mentions")
#twitterquery.add_filter_condition("hashtag"," < 7")
print(twitterquery.to_sparql())