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etcdctlv3/command: add prefix flag for get

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This commit is contained in:
siddontang 2016-03-15 12:54:13 +08:00
parent 2aa635ea39
commit 683274b201
1 changed files with 11 additions and 1 deletions
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12
etcdctlv3/command/get_command.go
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@ -27,6 +27,7 @@ var (
getLimit int64
getSortOrder string
getSortTarget string
getPrefix bool
)
// NewGetCommand returns the cobra command for "get".
@ -40,8 +41,8 @@ func NewGetCommand() *cobra.Command {
cmd.Flags().StringVar(&getSortOrder, "order", "", "order of results; ASCEND or DESCEND")
cmd.Flags().StringVar(&getSortTarget, "sort-by", "", "sort target; CREATE, KEY, MODIFY, VALUE, or VERSION")
cmd.Flags().Int64Var(&getLimit, "limit", 0, "maximum number of results")
cmd.Flags().BoolVar(&getPrefix, "prefix", false, "enable keys with matching prefix")
// TODO: add fromkey.
// TODO: add prefix.
// TODO: add consistency.
return cmd
}
@ -65,8 +66,12 @@ func getGetOp(cmd *cobra.Command, args []string) (string, []clientv3.OpOption) {
opts := []clientv3.OpOption{}
key := args[0]
if len(args) > 1 {
if getPrefix {
ExitWithError(ExitBadArgs, fmt.Errorf("too many arguments for range with prefix, only accept one."))
}
opts = append(opts, clientv3.WithRange(args[1]))
}
opts = append(opts, clientv3.WithLimit(getLimit))
sortByOrder := clientv3.SortNone
@ -102,5 +107,10 @@ func getGetOp(cmd *cobra.Command, args []string) (string, []clientv3.OpOption) {
}
opts = append(opts, clientv3.WithSort(sortByTarget, sortByOrder))
if getPrefix {
opts = append(opts, clientv3.WithPrefix())
}
return key, opts
}