[tracker: 8/8] Merge branch 'wip/carlosg/joining-services' into 'master'

[Sam Thursfield <sthursfield src gnome org>]

commit 5e6c25d54bc8ed0bf87f13fbbe3ef5efdc5de094
Merge: 3a740a34f bfd8c3736
Author: Sam Thursfield <sam afuera me uk>
Date:   Wed May 13 20:09:49 2020 +0000

    Merge branch 'wip/carlosg/joining-services' into 'master'
    
    Fix resource comparisons in joins with SERVICE{}
    
    Closes #206
    
    See merge request GNOME/tracker!244

 src/libtracker-data/tracker-sparql.c               |  75 +++++-
 src/libtracker-data/tracker-vtab-service.c         |   2 +-
 src/libtracker-sparql-backend/tracker-backend.vala |   3 +-
 tests/libtracker-data/meson.build                  |   1 +
 .../service/service-after-triples-1.out            |  16 ++
 .../service/service-after-triples-1.rq             |   6 +
 .../service/service-before-triples-1.out           |  16 ++
 .../service/service-before-triples-1.rq            |   6 +
 .../service/service-local-filter-1.out             |   1 +
 .../service/service-local-filter-1.rq              |   7 +
 tests/libtracker-data/service/service-query-1.out  |  16 ++
 tests/libtracker-data/service/service-query-1.rq   |   5 +
 tests/libtracker-data/tracker-service-test.c       | 271 +++++++++++++++++++++
 13 files changed, 413 insertions(+), 12 deletions(-)
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