[tracker/tracker-0.16] libtracker-data: Be more explicit in the error message

[Debarshi Ray <debarshir src gnome org>]

commit 040435f20fb065d2f8cf83b51f9e56afed5cb578
Author: Debarshi Ray <debarshir gnome org>
Date:   Mon Oct 13 15:47:09 2014 +0200

    libtracker-data: Be more explicit in the error message
    
    Add the sqlite3_errstr() to the error that is propagated from
    sqlite3_open_v2 so that we have a clearer picture of the failure.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=738450

 src/libtracker-data/tracker-db-interface-sqlite.c |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)
---
diff --git a/src/libtracker-data/tracker-db-interface-sqlite.c 
b/src/libtracker-data/tracker-db-interface-sqlite.c
index 682dd86..beaf9dd 100644
--- a/src/libtracker-data/tracker-db-interface-sqlite.c
+++ b/src/libtracker-data/tracker-db-interface-sqlite.c
@@ -820,6 +820,7 @@ open_database (TrackerDBInterface  *db_interface,
                GError             **error)
 {
        int mode;
+       int result;
 
        g_assert (db_interface->filename != NULL);
 
@@ -829,11 +830,15 @@ open_database (TrackerDBInterface  *db_interface,
                mode = SQLITE_OPEN_READONLY;
        }
 
-       if (sqlite3_open_v2 (db_interface->filename, &db_interface->db, mode | SQLITE_OPEN_NOMUTEX, NULL) != 
SQLITE_OK) {
+       result = sqlite3_open_v2 (db_interface->filename, &db_interface->db, mode | SQLITE_OPEN_NOMUTEX, 
NULL);
+       if (result != SQLITE_OK) {
+               const gchar *str;
+
+               str = sqlite3_errstr (result);
                g_set_error (error,
                             TRACKER_DB_INTERFACE_ERROR,
                             TRACKER_DB_OPEN_ERROR,
-                            "Could not open sqlite3 database:'%s'", db_interface->filename);
+                            "Could not open sqlite3 database:'%s': %s", db_interface->filename, str);
                return;
        } else {
                g_message ("Opened sqlite3 database:'%s'", db_interface->filename);