[tracker-miners/wip/carlosg/miner-changes: 15/19] tracker-miner-fs: Handle file updates by deleting tracker:extractorHash

[Carlos Garnacho <carlosg src gnome org>]

commit 8740206f756c1a6c6047c4e777a43a8d9b69f423
Author: Carlos Garnacho <carlosg gnome org>
Date:   Thu Jun 18 11:11:50 2020 +0200

    tracker-miner-fs: Handle file updates by deleting tracker:extractorHash
    
    This must be done now so tracker-extract picks the file again. The
    nie:dataSources are best left alone now.

 src/miners/fs/tracker-miner-files.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)
---
diff --git a/src/miners/fs/tracker-miner-files.c b/src/miners/fs/tracker-miner-files.c
index c327ed5a2..d882c95d1 100644
--- a/src/miners/fs/tracker-miner-files.c
+++ b/src/miners/fs/tracker-miner-files.c
@@ -2141,21 +2141,24 @@ process_file_cb (GObject      *object,
        if (!is_directory &&
            tracker_miner_fs_get_urn (TRACKER_MINER_FS (data->miner), file)) {
                /* Update: delete all information elements for the given data object
-                * and delete dataSources, so we ensure the file is extracted again.
+                * and delete extractorHash, so we ensure the file is extracted again.
                 */
                delete_properties_sparql =
                        g_strdup_printf ("DELETE {"
                                         "  GRAPH ?g {"
-                                        "    <%s> nie:interpretedAs ?ie ; "
-                                        "         nie:dataSource ?ds . "
+                                        "    <%s> nie:interpretedAs ?ie . "
                                         "    ?ie a rdfs:Resource . "
                                         "  }"
                                         "} WHERE {"
                                         "  GRAPH ?g {"
                                         "    <%s> nie:interpretedAs ?ie ."
-                                        "    OPTIONAL { <%s> nie:dataSource ?ds } "
                                         "  }"
-                                        "} ",
+                                        "}; "
+                                        "DELETE WHERE {"
+                                        "  GRAPH " DEFAULT_GRAPH " {"
+                                        "    <%s> tracker:extractorHash ?h ."
+                                        "  }"
+                                        "}",
                                         uri, uri, uri);
        }