diff options
Diffstat (limited to 'src/libtracker-data/tracker-db-interface-sqlite.c')
| -rw-r--r-- | src/libtracker-data/tracker-db-interface-sqlite.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/libtracker-data/tracker-db-interface-sqlite.c b/src/libtracker-data/tracker-db-interface-sqlite.c index da50e1f5b..a8878992a 100644 --- a/src/libtracker-data/tracker-db-interface-sqlite.c +++ b/src/libtracker-data/tracker-db-interface-sqlite.c @@ -55,6 +55,7 @@ #include "tracker-db-interface-sqlite.h" #include "tracker-db-manager.h" #include "tracker-data-enum-types.h" +#include "tracker-uuid.h" typedef struct { TrackerDBStatement *head; @@ -1366,6 +1367,50 @@ stmt_step (sqlite3_stmt *stmt) return result; } +static void +function_sparql_uuid (sqlite3_context *context, + int argc, + sqlite3_value *argv[]) +{ + gchar *uuid = NULL; + sqlite3_stmt *stmt; + sqlite3 *db; + gint result; + + if (argc > 1) { + sqlite3_result_error (context, "Invalid argument count", -1); + return; + } + + db = sqlite3_context_db_handle (context); + + result = sqlite3_prepare_v2 (db, "SELECT ID FROM Resource WHERE Uri=?", + -1, &stmt, NULL); + if (result != SQLITE_OK) { + sqlite3_result_error (context, sqlite3_errstr (result), -1); + return; + } + + do { + g_clear_pointer (&uuid, g_free); + uuid = tracker_generate_uuid (); + + sqlite3_reset (stmt); + sqlite3_bind_text (stmt, 1, uuid, -1, SQLITE_TRANSIENT); + result = stmt_step (stmt); + } while (result == SQLITE_ROW); + + sqlite3_finalize (stmt); + + if (result != SQLITE_DONE) { + sqlite3_result_error (context, sqlite3_errstr (result), -1); + g_free (uuid); + return; + } + + sqlite3_result_text (context, uuid, -1, g_free); +} + static int check_interrupt (void *user_data) { @@ -1430,6 +1475,8 @@ initialize_functions (TrackerDBInterface *db_interface) { "SparqlFloor", 1, SQLITE_ANY | SQLITE_DETERMINISTIC, function_sparql_floor }, { "SparqlRand", 0, SQLITE_ANY, function_sparql_rand }, + /* UUID */ + { "SparqlUUID", 0, SQLITE_ANY, function_sparql_uuid }, }; for (i = 0; i < G_N_ELEMENTS (functions); i++) { |