连接报错显示具体位置

c-wind · c-wind · commit ae4f53734fda · 2018-12-25T14:18:03.000+08:00
diff --git a/orm/db.go b/orm/db.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"strings"
 
+	"github.com/juju/errors"
 	//mysql
 	_ "github.com/go-sql-driver/mysql"
 )
@@ -38,12 +39,12 @@ func (db *DB) GetConnection() (*sql.DB, error) {
 	dsn := db.getDSN()
 	stmtDB, err := sql.Open("mysql", dsn)
 	if err != nil {
-		return nil, err
+		return nil, errors.Trace(err)
 	}
 
 	stmtDB.SetMaxOpenConns(0)
 	if err := stmtDB.Ping(); err != nil {
-		return nil, err
+		return nil, errors.Trace(err)
 	}
 
 	return stmtDB, nil

Original file line number	Diff line number	Diff line change
`@@ -5,6 +5,7 @@ import (`
`5`	`5`	`"fmt"`
`6`	`6`	`"strings"`
`7`	`7`
	`8`	`+ "github.com/juju/errors"`
`8`	`9`	`//mysql`
`9`	`10`	`_ "github.com/go-sql-driver/mysql"`
`10`	`11`	`)`
`@@ -38,12 +39,12 @@ func (db DB) GetConnection() (sql.DB, error) {`
`38`	`39`	`dsn := db.getDSN()`
`39`	`40`	`stmtDB, err := sql.Open("mysql", dsn)`
`40`	`41`	`if err != nil {`
`41`		`- return nil, err`
	`42`	`+ return nil, errors.Trace(err)`
`42`	`43`	`}`
`43`	`44`
`44`	`45`	`stmtDB.SetMaxOpenConns(0)`
`45`	`46`	`if err := stmtDB.Ping(); err != nil {`
`46`		`- return nil, err`
	`47`	`+ return nil, errors.Trace(err)`
`47`	`48`	`}`
`48`	`49`
`49`	`50`	`return stmtDB, nil`