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// Copyright 2014 Gary Burd
// Licensed under the Apache License, Version 2.0 (the "License"): you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
package redis
import (
const (
connectionWatchState = 1 << iota
type commandInfo struct {
// Set or Clear these states on connection.
Set, Clear int
var commandInfos = map[string]commandInfo{
"WATCH": {Set: connectionWatchState},
"UNWATCH": {Clear: connectionWatchState},
"MULTI": {Set: connectionMultiState},
"EXEC": {Clear: connectionWatchState | connectionMultiState},
"DISCARD": {Clear: connectionWatchState | connectionMultiState},
"PSUBSCRIBE": {Set: connectionSubscribeState},
"SUBSCRIBE": {Set: connectionSubscribeState},
"MONITOR": {Set: connectionMonitorState},
func init() {
for n, ci := range commandInfos {
commandInfos[strings.ToLower(n)] = ci
func lookupCommandInfo(commandName string) commandInfo {
if ci, ok := commandInfos[commandName]; ok {
return ci
return commandInfos[strings.ToUpper(commandName)]
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