[tracker/wip/carlosg/in-memory-databases: 4/5] libtracker-sparql: Expose in-memory databases



commit 772442a14028af2b9776d26ad338408b46cb0992
Author: Carlos Garnacho <carlosg gnome org>
Date:   Sat Feb 22 16:34:50 2020 +0100

    libtracker-sparql: Expose in-memory databases
    
    Those are now possible by simply passing a NULL argument for the
    store location in tracker_sparql_connection_new().

 src/libtracker-direct/tracker-direct.c             | 5 ++++-
 src/libtracker-sparql-backend/tracker-backend.vala | 2 +-
 src/libtracker-sparql/tracker-connection.c         | 6 ++++--
 3 files changed, 9 insertions(+), 4 deletions(-)
---
diff --git a/src/libtracker-direct/tracker-direct.c b/src/libtracker-direct/tracker-direct.c
index 862dbffec..c625cee10 100644
--- a/src/libtracker-direct/tracker-direct.c
+++ b/src/libtracker-direct/tracker-direct.c
@@ -257,6 +257,9 @@ tracker_direct_connection_initable_init (GInitable     *initable,
 
        db_flags = translate_flags (priv->flags);
 
+       if (!priv->store)
+               db_flags |= TRACKER_DB_MANAGER_IN_MEMORY;
+
        /* Init data manager */
        if (!priv->ontology &&
            (db_flags & TRACKER_DB_MANAGER_READONLY) == 0) {
@@ -1035,7 +1038,7 @@ tracker_direct_connection_new (TrackerSparqlConnectionFlags   flags,
                                GFile                         *ontology,
                                GError                       **error)
 {
-       g_return_val_if_fail (G_IS_FILE (store), NULL);
+       g_return_val_if_fail (!store || G_IS_FILE (store), NULL);
        g_return_val_if_fail (!ontology || G_IS_FILE (ontology), NULL);
        g_return_val_if_fail (!error || !*error, NULL);
 
diff --git a/src/libtracker-sparql-backend/tracker-backend.vala 
b/src/libtracker-sparql-backend/tracker-backend.vala
index 34e95bd6a..7e8ee79fb 100644
--- a/src/libtracker-sparql-backend/tracker-backend.vala
+++ b/src/libtracker-sparql-backend/tracker-backend.vala
@@ -38,7 +38,7 @@ public static Tracker.Sparql.Connection tracker_sparql_connection_bus_new (strin
        return new Tracker.Bus.Connection (service, path, dbus_conn);
 }
 
-public static Tracker.Sparql.Connection tracker_sparql_connection_new (Tracker.Sparql.ConnectionFlags flags, 
File store, File? ontology, Cancellable? cancellable = null) throws GLib.Error, Tracker.Sparql.Error, IOError 
{
+public static Tracker.Sparql.Connection tracker_sparql_connection_new (Tracker.Sparql.ConnectionFlags flags, 
File? store, File? ontology, Cancellable? cancellable = null) throws GLib.Error, Tracker.Sparql.Error, 
IOError {
        var conn = new Tracker.Direct.Connection (flags, store, ontology);
        conn.init (cancellable);
        return conn;
diff --git a/src/libtracker-sparql/tracker-connection.c b/src/libtracker-sparql/tracker-connection.c
index c5be4831e..16c72d723 100644
--- a/src/libtracker-sparql/tracker-connection.c
+++ b/src/libtracker-sparql/tracker-connection.c
@@ -53,7 +53,7 @@ tracker_sparql_connection_class_init (TrackerSparqlConnectionClass *klass)
 /**
  * tracker_sparql_connection_new:
  * @flags: values from #TrackerSparqlConnectionFlags
- * @store: the directory that contains the database, as a #GFile
+ * @store: the directory that contains the database as a #GFile, or %NULL
  * @ontology: (nullable): the directory that contains the database schemas as
  *                        a #GFile, or %NULL to use the default schemas.
  * @cancellable: (nullable): a #GCancellable, or %NULL
@@ -64,6 +64,8 @@ tracker_sparql_connection_class_init (TrackerSparqlConnectionClass *klass)
  * To connect to databases managed by other processes, use
  * tracker_sparql_connection_bus_new().
  *
+ * If @store is %NULL, the database will be created in memory.
+ *
  * Returns: (transfer full): a new #TrackerSparqlConnection. Call
  * g_object_unref() on the object when no longer used.
  *
@@ -73,7 +75,7 @@ tracker_sparql_connection_class_init (TrackerSparqlConnectionClass *klass)
 /**
  * tracker_sparql_connection_new_async:
  * @flags: values from #TrackerSparqlConnectionFlags
- * @store: the directory that contains the database, as a #GFile
+ * @store: the directory that contains the database as a #GFile, or %NULL
  * @ontology: (nullable): the directory that contains the database schemas as
  *                        a #GFile, or %NULL to use the default schemas.
  * @cancellable: (nullable): a #GCancellable, or %NULL


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