Per review feedback, ignore just timing, not all I/O stats

input/postgres/statements.go

@@ -211,20 +211,7 @@ func GetStatements(server *state.Server, logger *util.Logger, db *sql.DB, global
 
 			statements[key] = stmt
 		}
-		if ignoreIOStats(postgresVersion, receivedQuery) {
-			stats.SharedBlksHit = 0
-			stats.SharedBlksRead = 0
-			stats.SharedBlksDirtied = 0
-			stats.SharedBlksWritten = 0
-
-			stats.LocalBlksHit = 0
-			stats.LocalBlksRead = 0
-			stats.LocalBlksDirtied = 0
-			stats.LocalBlksWritten = 0
-
-			stats.TempBlksRead = 0
-			stats.TempBlksWritten = 0
-
+		if ignoreIOTiming(postgresVersion, receivedQuery) {
 			stats.BlkReadTime = 0
 			stats.BlkWriteTime = 0
 		}
@@ -242,9 +229,9 @@ func GetStatements(server *state.Server, logger *util.Logger, db *sql.DB, global
 	return statements, statementTexts, statementStats, nil
 }
 
-func ignoreIOStats(postgresVersion state.PostgresVersion, receivedQuery null.String) bool {
+func ignoreIOTiming(postgresVersion state.PostgresVersion, receivedQuery null.String) bool {
 	// Currently, Aurora gives wildly incorrect blk_read_time and blk_write_time values
-	// for utility statements; ignore I/O stats for these altogether.
+	// for utility statements; ignore I/O timing in this situation.
 	if !postgresVersion.IsAwsAurora || !receivedQuery.Valid {
 		return false
 	}