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Add redis.Error interface and export ErrClosed 

Fixes https://github.com/go-redis/redis/issues/1295
Closes https://github.com/go-redis/redis/pull/1296
This commit is contained in:
Vladimir Mihailenco 2020-05-21 09:24:19 +03:00
parent 2960952204
commit 07656a01bf
2 changed files with 17 additions and 0 deletions
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15
error.go
View File

@ -6,9 +6,24 @@ import (
"net" "net"
"strings" "strings"
"github.com/go-redis/redis/v7/internal/pool"
"github.com/go-redis/redis/v7/internal/proto" "github.com/go-redis/redis/v7/internal/proto"
) )
var ErrClosed = pool.ErrClosed
type Error interface {
error
// RedisError is a no-op function but
// serves to distinguish types that are Redis
// errors from ordinary errors: a type is a
// Redis error if it has a RedisError method.
RedisError()
}
var _ Error = proto.RedisError("")
func isRetryableError(err error, retryTimeout bool) bool { func isRetryableError(err error, retryTimeout bool) bool {
switch err { switch err {
case nil, context.Canceled, context.DeadlineExceeded: case nil, context.Canceled, context.DeadlineExceeded:

2
internal/proto/reader.go
View File

@ -24,6 +24,8 @@ type RedisError string
func (e RedisError) Error() string { return string(e) } func (e RedisError) Error() string { return string(e) }
func (RedisError) RedisError() {}
//------------------------------------------------------------------------------ //------------------------------------------------------------------------------
type MultiBulkParse func(*Reader, int64) (interface{}, error) type MultiBulkParse func(*Reader, int64) (interface{}, error)