redis/go-redis
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Select random node when there are no keys.

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This commit is contained in:
Vladimir Mihailenco
2016-10-09 10:30:45 +00:00
parent 5aae583e0c
commit eeba1d7db1
4 changed files with 155 additions and 136 deletions
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27
command.go
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@ -7,6 +7,8 @@ import (
"strings"
"time"
"github.com/go-redis/redis/internal"
"gopkg.in/redis.v4/internal/pool"
"gopkg.in/redis.v4/internal/proto"
)
@ -88,6 +90,22 @@ func cmdString(cmd Cmder, val interface{}) string {
}
func cmdFirstKeyPos(cmd Cmder, info *CommandInfo) int {
switch cmd.arg(0) {
case "eval", "evalsha":
if cmd.arg(2) != "0" {
return 3
} else {
return 0
}
}
if info == nil {
internal.Logf("info for cmd=%s not found", cmd.arg(0))
return -1
}
return int(info.FirstKeyPos)
}
//------------------------------------------------------------------------------
type baseCmd struct {
@ -109,12 +127,11 @@ func (cmd *baseCmd) args() []interface{} {
}
func (cmd *baseCmd) arg(pos int) string {
if len(cmd._args) > pos {
if s, ok := cmd._args[pos].(string); ok {
return s
}
if pos < 0 || pos >= len(cmd._args) {
return ""
}
return ""
s, _ := cmd._args[pos].(string)
return s
}
func (cmd *baseCmd) readTimeout() *time.Duration {