[tracker] libtracker-data: Propagate SQLite errors in buffer_flush



commit 80e08b95e0fadbef8e1b757703f0d70686436780
Author: Jürg Billeter <j bitron ch>
Date:   Thu Nov 12 13:43:13 2009 +0100

    libtracker-data: Propagate SQLite errors in buffer_flush

 src/libtracker-data/libtracker-data.vapi  |    2 +-
 src/libtracker-data/tracker-data-update.c |   56 +++++++++++++++++++++++-----
 src/libtracker-data/tracker-data-update.h |    2 +-
 3 files changed, 48 insertions(+), 12 deletions(-)
---
diff --git a/src/libtracker-data/libtracker-data.vapi b/src/libtracker-data/libtracker-data.vapi
index b8e1a81..ab95eb4 100644
--- a/src/libtracker-data/libtracker-data.vapi
+++ b/src/libtracker-data/libtracker-data.vapi
@@ -35,7 +35,7 @@ namespace Tracker {
 		public void insert_statement_with_uri (string subject, string predicate, string object) throws DataError;
 		public void insert_statement_with_string (string subject, string predicate, string object) throws DataError;
 		public void delete_resource_description (string uri) throws DataError;
-		public void update_buffer_flush ();
+		public void update_buffer_flush () throws GLib.Error;
 	}
 }
 
diff --git a/src/libtracker-data/tracker-data-update.c b/src/libtracker-data/tracker-data-update.c
index 26187c9..b44eeb3 100644
--- a/src/libtracker-data/tracker-data-update.c
+++ b/src/libtracker-data/tracker-data-update.c
@@ -378,7 +378,7 @@ statement_bind_gvalue (TrackerDBStatement *stmt,
 }
 
 static void
-tracker_data_resource_buffer_flush (void)
+tracker_data_resource_buffer_flush (GError **error)
 {
 	TrackerDBInterface             *iface;
 	TrackerDBStatement             *stmt;
@@ -388,6 +388,7 @@ tracker_data_resource_buffer_flush (void)
 	const gchar                    *table_name;
 	GString                        *sql, *fts;
 	int                             i;
+	GError                         *actual_error = NULL;
 
 	iface = tracker_db_manager_get_db_interface ();
 
@@ -397,11 +398,16 @@ tracker_data_resource_buffer_flush (void)
 			"UPDATE \"rdfs:Resource\" SET Uri = ? WHERE ID = ?");
 		tracker_db_statement_bind_text (stmt, 0, resource_buffer->new_subject);
 		tracker_db_statement_bind_int (stmt, 1, resource_buffer->id);
-		tracker_db_statement_execute (stmt, NULL);
+		tracker_db_statement_execute (stmt, &actual_error);
 		g_object_unref (stmt);
 
 		g_free (resource_buffer->new_subject);
 		resource_buffer->new_subject = NULL;
+
+		if (actual_error) {
+			g_propagate_error (error, actual_error);
+			return;
+		}
 	}
 
 	g_hash_table_iter_init (&iter, resource_buffer->tables);
@@ -425,8 +431,13 @@ tracker_data_resource_buffer_flush (void)
 
 				tracker_db_statement_bind_int (stmt, 0, resource_buffer->id);
 				statement_bind_gvalue (stmt, 1, &property->value);
-				tracker_db_statement_execute (stmt, NULL);
+				tracker_db_statement_execute (stmt, &actual_error);
 				g_object_unref (stmt);
+
+				if (actual_error) {
+					g_propagate_error (error, actual_error);
+					return;
+				}
 			}
 		} else {
 			if (table->delete_row) {
@@ -434,15 +445,25 @@ tracker_data_resource_buffer_flush (void)
 				stmt = tracker_db_interface_create_statement (iface, "DELETE FROM \"rdfs:Resource_rdf:type\" WHERE ID = ? AND \"rdf:type\" = ?");
 				tracker_db_statement_bind_int (stmt, 0, resource_buffer->id);
 				tracker_db_statement_bind_int (stmt, 1, ensure_resource_id (tracker_class_get_uri (table->class)));
-				tracker_db_statement_execute (stmt, NULL);
+				tracker_db_statement_execute (stmt, &actual_error);
 				g_object_unref (stmt);
 
+				if (actual_error) {
+					g_propagate_error (error, actual_error);
+					return;
+				}
+
 				/* remove row from class table */
 				stmt = tracker_db_interface_create_statement (iface, "DELETE FROM \"%s\" WHERE ID = ?", table_name);
 				tracker_db_statement_bind_int (stmt, 0, resource_buffer->id);
-				tracker_db_statement_execute (stmt, NULL);
+				tracker_db_statement_execute (stmt, &actual_error);
 				g_object_unref (stmt);
 
+				if (actual_error) {
+					g_propagate_error (error, actual_error);
+					return;
+				}
+
 				continue;
 			}
 
@@ -452,8 +473,13 @@ tracker_data_resource_buffer_flush (void)
 					"INSERT OR IGNORE INTO \"%s\" (ID) VALUES (?)",
 					table_name);
 				tracker_db_statement_bind_int (stmt, 0, resource_buffer->id);
-				tracker_db_statement_execute (stmt, NULL);
+				tracker_db_statement_execute (stmt, &actual_error);
 				g_object_unref (stmt);
+
+				if (actual_error) {
+					g_propagate_error (error, actual_error);
+					return;
+				}
 			}
 
 			if (table->properties->len == 0) {
@@ -486,10 +512,15 @@ tracker_data_resource_buffer_flush (void)
 				}
 			}
 
-			tracker_db_statement_execute (stmt, NULL);
+			tracker_db_statement_execute (stmt, &actual_error);
 			g_object_unref (stmt);
 
 			g_string_free (sql, TRUE);
+
+			if (actual_error) {
+				g_propagate_error (error, actual_error);
+				return;
+			}
 		}
 	}
 
@@ -532,13 +563,18 @@ static void resource_buffer_free (TrackerDataUpdateBufferResource *resource)
 }
 
 void
-tracker_data_update_buffer_flush (void)
+tracker_data_update_buffer_flush (GError **error)
 {
 	GHashTableIter iter;
+	GError *actual_error = NULL;
 
 	g_hash_table_iter_init (&iter, update_buffer.resources);
 	while (g_hash_table_iter_next (&iter, NULL, (gpointer*) &resource_buffer)) {
-		tracker_data_resource_buffer_flush ();
+		tracker_data_resource_buffer_flush (&actual_error);
+		if (actual_error) {
+			g_propagate_error (error, actual_error);
+			break;
+		}
 	}
 
 	g_hash_table_remove_all (update_buffer.resources);
@@ -1630,7 +1666,7 @@ tracker_data_commit_transaction (void)
 
 	in_transaction = FALSE;
 
-	tracker_data_update_buffer_flush ();
+	tracker_data_update_buffer_flush (NULL);
 
 	if (update_buffer.fts_ever_updated) {
 		tracker_fts_update_commit ();
diff --git a/src/libtracker-data/tracker-data-update.h b/src/libtracker-data/tracker-data-update.h
index d373709..a0c2fb8 100644
--- a/src/libtracker-data/tracker-data-update.h
+++ b/src/libtracker-data/tracker-data-update.h
@@ -75,7 +75,7 @@ void     tracker_data_begin_transaction             (void);
 void     tracker_data_commit_transaction            (void);
 void     tracker_data_update_sparql                 (const gchar               *update,
 						     GError                   **error);
-void     tracker_data_update_buffer_flush           (void);
+void     tracker_data_update_buffer_flush           (GError                   **error);
 
 /* Volume handling */
 void     tracker_data_update_enable_volume          (const gchar               *udi,



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