data: Added sql index for local symbol names to speed up analysis

src/lib/data/SqliteStorage.cpp

@@ -805,6 +805,10 @@ void SqliteStorage::setupTables()
 			"FOREIGN KEY(id) REFERENCES element(id) ON DELETE CASCADE);"
 	);
 
+	m_database.execDML(
+		"CREATE INDEX IF NOT EXISTS local_symbol_name_index ON local_symbol(name);"
+	);
+
 	m_database.execDML(
 		"CREATE TABLE IF NOT EXISTS source_location("
 			"id INTEGER NOT NULL, "