[tracker: 25/25] Merge branch 'wip/carlosg/anonymous-nodes' into 'master'

[Carlos Garnacho <carlosg src gnome org>]

commit b284f862d0f6361acd4186815a8385228e9b1ef5
Merge: 2b4f585ab 817a553f4
Author: Carlos Garnacho <carlosg gnome org>
Date:   Sun Dec 12 23:06:35 2021 +0000

    Merge branch 'wip/carlosg/anonymous-nodes' into 'master'
    
    Implement anonymous blank nodes
    
    Closes #148
    
    See merge request GNOME/tracker!468

 .../libtracker-sparql/sparql-and-tracker.md        |    8 +-
 docs/reference/libtracker-sparql/tutorial.md       |   23 +-
 src/libtracker-data/tracker-data-manager.c         |  217 +++-
 src/libtracker-data/tracker-data-query.c           |  144 ++-
 src/libtracker-data/tracker-data-query.h           |   17 +-
 src/libtracker-data/tracker-data-update.c          | 1074 ++++++++------------
 src/libtracker-data/tracker-data-update.h          |   42 +-
 src/libtracker-data/tracker-db-interface-sqlite.c  |   13 +-
 src/libtracker-data/tracker-db-manager.c           |   61 +-
 src/libtracker-data/tracker-db-manager.h           |   15 +
 src/libtracker-data/tracker-sparql-types.c         |   17 +
 src/libtracker-data/tracker-sparql-types.h         |    4 +
 src/libtracker-data/tracker-sparql.c               |  295 ++++--
 src/libtracker-data/tracker-vtab-triples.c         |    2 +-
 src/libtracker-sparql/direct/tracker-direct.c      |   27 +-
 src/libtracker-sparql/tracker-connection.h         |    3 +
 16 files changed, 1075 insertions(+), 887 deletions(-)
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