logic: improved performance of clearing data from re-indexed files to be instant

src/lib/data/storage/sqlite/SqliteIndexStorage.cpp

@@ -1136,6 +1136,31 @@ std::vector<std::pair<int, SqliteDatabaseIndex>> SqliteIndexStorage::getIndices(
 		STORAGE_MODE_READ | STORAGE_MODE_CLEAR,
 		SqliteDatabaseIndex("occurrence_source_location_id_index", "occurrence(source_location_id)")
 	));
+	indices.push_back(std::make_pair(
+		STORAGE_MODE_CLEAR,
+		SqliteDatabaseIndex("element_component_foreign_key_index", "element_component(element_id)")
+	));
+	indices.push_back(std::make_pair(
+		STORAGE_MODE_CLEAR,
+		SqliteDatabaseIndex("edge_source_foreign_key_index", "edge(source_node_id)")
+	));
+	indices.push_back(std::make_pair(
+		STORAGE_MODE_CLEAR,
+		SqliteDatabaseIndex("edge_target_foreign_key_index", "edge(target_node_id)")
+	));
+	indices.push_back(std::make_pair(
+		STORAGE_MODE_CLEAR,
+		SqliteDatabaseIndex("source_location_foreign_key_index", "source_location(file_node_id)")
+	));
+	indices.push_back(std::make_pair(
+		STORAGE_MODE_CLEAR,
+		SqliteDatabaseIndex("occurrence_element_foreign_key_index", "occurrence(element_id)")
+	));
+	indices.push_back(std::make_pair(
+		STORAGE_MODE_CLEAR,
+		SqliteDatabaseIndex("occurrence_source_location_foreign_key_index", "occurrence(source_location_id)")
+	));
+
 	return indices;
 }
 
@@ -1230,6 +1255,7 @@ void SqliteIndexStorage::setupTables()
 			"CREATE TABLE IF NOT EXISTS filecontent("
 				"id INTERGER, "
 				"content TEXT, "
+				"PRIMARY KEY(id), "
 				"FOREIGN KEY(id) REFERENCES file(id)"
 					"ON DELETE CASCADE "
 					"ON UPDATE CASCADE);"

src/lib/data/storage/sqlite/SqliteIndexStorage.h

@@ -39,7 +39,7 @@ public:
 	{
 		STORAGE_MODE_READ = 1,
 		STORAGE_MODE_WRITE = 2,
-		STORAGE_MODE_CLEAR = 4,
+		STORAGE_MODE_CLEAR = 4
 	};
 
 	SqliteIndexStorage(const FilePath& dbFilePath);