error changes

Author: James Cor

sql/analyzer/stored_procedures.go

@@ -177,6 +177,14 @@ func applyProcedures(ctx *sql.Context, a *Analyzer, n sql.Node, scope *plan.Scop
 			}()
 		}
 
+		esp, err := a.Catalog.ExternalStoredProcedure(ctx, call.Name, len(call.Params))
+		if err != nil {
+			return nil, transform.SameTree, err
+		}
+		if esp != nil {
+			return call, transform.SameTree, nil
+		}
+
 		if _, isStoredProcDb := call.Database().(sql.StoredProcedureDatabase); !isStoredProcDb {
 			return nil, transform.SameTree, sql.ErrStoredProceduresNotSupported.New(call.Database().Name())
 		}

sql/planbuilder/proc.go

@@ -310,8 +310,6 @@ func (b *Builder) buildCall(inScope *scope, c *ast.Call) (outScope *scope) {
 		db = b.resolveDb(dbName)
 	} else if b.ctx.GetCurrentDatabase() != "" {
 		db = b.currentDb()
-	} else {
-		b.handleErr(sql.ErrDatabaseNotFound.New(c.ProcName.Qualifier.String()))
 	}
 
 	var proc *plan.Procedure