gh-ost/vendor/github.com/siddontang/go-mysql/mysql/error.go

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2016-06-16 09:15:56 +00:00
package mysql
import (
"fmt"
"github.com/juju/errors"
)
var (
ErrBadConn = errors.New("connection was bad")
ErrMalformPacket = errors.New("Malform packet error")
ErrTxDone = errors.New("sql: Transaction has already been committed or rolled back")
)
type MyError struct {
Code uint16
Message string
State string
}
func (e *MyError) Error() string {
return fmt.Sprintf("ERROR %d (%s): %s", e.Code, e.State, e.Message)
}
//default mysql error, must adapt errname message format
func NewDefaultError(errCode uint16, args ...interface{}) *MyError {
e := new(MyError)
e.Code = errCode
if s, ok := MySQLState[errCode]; ok {
e.State = s
} else {
e.State = DEFAULT_MYSQL_STATE
}
if format, ok := MySQLErrName[errCode]; ok {
e.Message = fmt.Sprintf(format, args...)
} else {
e.Message = fmt.Sprint(args...)
}
return e
}
func NewError(errCode uint16, message string) *MyError {
e := new(MyError)
e.Code = errCode
if s, ok := MySQLState[errCode]; ok {
e.State = s
} else {
e.State = DEFAULT_MYSQL_STATE
}
e.Message = message
return e
}
func ErrorCode(errMsg string) (code int) {
var tmpStr string
// golang scanf doesn't support %*,so I used a temporary variable
fmt.Sscanf(errMsg, "%s%d", &tmpStr, &code)
return
}