PMM-12375 use performance_schema for higher versions

percona · Aug 30, 2023 · 911b14d · 911b14d
1 parent fb745dd
commit 911b14d
Showing 1 changed file with 7 additions and 7 deletions.
diff --git a/agent/connectionchecker/connection_checker.go b/agent/connectionchecker/connection_checker.go
@@ -289,17 +289,17 @@ func (cc *ConnectionChecker) checkProxySQLConnection(ctx context.Context, dsn st
 		res.Error = err.Error()
 	}
 
-	// if _, err := db.ExecContext(ctx, "USE mysql"); err != nil {
-	// 	res.Error = err.Error()
-	// 	return &res
-	// }
-
 	var version string
 	if err := db.QueryRowContext(
 		ctx,
 		"SELECT /* agent='connectionchecker' */ variable_value FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE variable_name = 'admin-version'").Scan(&version); err != nil {
-		res.Error = err.Error()
-		return &res
+		err := db.QueryRowContext(
+			ctx,
+			"SELECT /* agent='connectionchecker' */ variable_value FROM PERFORMANCE_SCHEMA.GLOBAL_VARIABLES WHERE variable_name = 'admin-version'").Scan(&version)
+		if err != nil {
+			res.Error = err.Error()
+			return &res
+		}
 	}
 
 	res.Stats = &agentpb.CheckConnectionResponse_Stats{