Improve rollback database indexing

Index more columns in the action table of the rollback DB to improve the performance of /rollback_check
minetest · Oct 24, 2015 · 380e150 · 380e150
1 parent f9eb31f
commit 380e150
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/src/rollback.cpp b/src/rollback.cpp
@@ -242,8 +242,7 @@ bool RollbackManager::createTables()
 		"	FOREIGN KEY (`oldNode`)   REFERENCES `node`(`id`),\n"
 		"	FOREIGN KEY (`newNode`)   REFERENCES `node`(`id`)\n"
 		");\n"
-		"CREATE INDEX IF NOT EXISTS `actionActor` ON `action`(`actor`);\n"
-		"CREATE INDEX IF NOT EXISTS `actionTimestamp` ON `action`(`timestamp`);\n",
+		"CREATE INDEX IF NOT EXISTS `actionIndex` ON `action`(`x`,`y`,`z`,`timestamp`,`actor`);\n",
 		NULL, NULL, NULL));
 	verbosestream << "SQL Rollback: SQLite3 database structure was created" << std::endl;