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Add *Map commands where possible.

This commit is contained in:
Vladimir Mihailenco 2013-02-02 14:17:01 +02:00
parent dfde8211d4
commit 5a90e32c63
4 changed files with 293 additions and 26 deletions
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58
commands.go
View File

@ -425,6 +425,12 @@ func (c *Client) HGetAll(key string) *StringSliceReq {
return req
}
func (c *Client) HGetAllMap(key string) *StringStringMapReq {
req := NewStringStringMapReq("HGETALL", key)
c.Process(req)
return req
}
func (c *Client) HIncrBy(key, field string, incr int64) *IntReq {
req := NewIntReq("HINCRBY", key, field, strconv.FormatInt(incr, 10))
c.Process(req)
@ -784,6 +790,19 @@ func (c *Client) ZRangeWithScores(key string, start, stop int64) *StringSliceReq
return c.zRange(key, start, stop, true)
}
func (c *Client) ZRangeWithScoresMap(key string, start, stop int64) *StringFloatMapReq {
args := []string{
"ZRANGE",
key,
strconv.FormatInt(start, 10),
strconv.FormatInt(stop, 10),
"WITHSCORES",
}
req := NewStringFloatMapReq(args...)
c.Process(req)
return req
}
func (c *Client) zRangeByScore(
key string,
min, max string,
@ -815,6 +834,22 @@ func (c *Client) ZRangeByScoreWithScores(key string, min, max string, offset, co
return c.zRangeByScore(key, min, max, true, offset, count)
}
func (c *Client) ZRangeByScoreWithScoresMap(
key string, min, max string, offset, count int64) *StringFloatMapReq {
args := []string{"ZRANGEBYSCORE", key, min, max, "WITHSCORES"}
if offset != 0 || count != 0 {
args = append(
args,
"LIMIT",
strconv.FormatInt(offset, 10),
strconv.FormatInt(count, 10),
)
}
req := NewStringFloatMapReq(args...)
c.Process(req)
return req
}
func (c *Client) ZRank(key, member string) *IntReq {
req := NewIntReq("ZRANK", key, member)
c.Process(req)
@ -863,6 +898,13 @@ func (c *Client) ZRevRangeWithScores(key, start, stop string) *StringSliceReq {
return c.zRevRange(key, start, stop, true)
}
func (c *Client) ZRevRangeWithScoresMap(key, start, stop string) *StringFloatMapReq {
args := []string{"ZREVRANGE", key, start, stop, "WITHSCORES"}
req := NewStringFloatMapReq(args...)
c.Process(req)
return req
}
func (c *Client) zRevRangeByScore(key, start, stop string, withScores bool, offset, count int64) *StringSliceReq {
args := []string{"ZREVRANGEBYSCORE", key, start, stop}
if withScores {
@ -889,6 +931,22 @@ func (c *Client) ZRevRangeByScoreWithScores(key, start, stop string, offset, cou
return c.zRevRangeByScore(key, start, stop, false, offset, count)
}
func (c *Client) ZRevRangeByScoreWithScoresMap(
key, start, stop string, offset, count int64) *StringFloatMapReq {
args := []string{"ZREVRANGEBYSCORE", key, start, stop, "WITHSCORES"}
if offset != 0 || count != 0 {
args = append(
args,
"LIMIT",
strconv.FormatInt(offset, 10),
strconv.FormatInt(count, 10),
)
}
req := NewStringFloatMapReq(args...)
c.Process(req)
return req
}
func (c *Client) ZRevRank(key, member string) *IntReq {
req := NewIntReq("ZREVRANK", key, member)
c.Process(req)

116
parser.go
View File

@ -8,16 +8,23 @@ import (
"github.com/vmihailenco/bufio"
)
//------------------------------------------------------------------------------
type replyType int
const (
ifaceSlice replyType = iota
stringSlice
boolSlice
stringStringMap
stringFloatMap
)
// Represents Redis nil reply.
var Nil = errors.New("(nil)")
//------------------------------------------------------------------------------
var (
errReaderTooSmall = errors.New("redis: reader is too small")
errValNotSet = errors.New("redis: value is not set")
errInvalidType = errors.New("redis: invalid reply type")
)
//------------------------------------------------------------------------------
@ -113,7 +120,7 @@ func ParseReq(rd reader) ([]string, error) {
return nil, err
}
if line[0] != '$' {
return nil, fmt.Errorf("Expected '$', but got %q", line)
return nil, fmt.Errorf("redis: expected '$', but got %q", line)
}
argLen, err := strconv.ParseInt(string(line[1:]), 10, 32)
@ -132,12 +139,6 @@ func ParseReq(rd reader) ([]string, error) {
//------------------------------------------------------------------------------
const (
ifaceSlice = iota
stringSlice
boolSlice
)
func parseReply(rd reader) (interface{}, error) {
return _parseReply(rd, ifaceSlice)
}
@ -150,7 +151,15 @@ func parseBoolSliceReply(rd reader) (interface{}, error) {
return _parseReply(rd, boolSlice)
}
func _parseReply(rd reader, multiBulkType int) (interface{}, error) {
func parseStringStringMapReply(rd reader) (interface{}, error) {
return _parseReply(rd, stringStringMap)
}
func parseStringFloatMapReply(rd reader) (interface{}, error) {
return _parseReply(rd, stringFloatMap)
}
func _parseReply(rd reader, typ replyType) (interface{}, error) {
line, err := readLine(rd)
if err != nil {
return 0, &parserError{err}
@ -188,39 +197,95 @@ func _parseReply(rd reader, multiBulkType int) (interface{}, error) {
return nil, Nil
}
numReplies, err := strconv.ParseInt(string(line[1:]), 10, 64)
repliesNum, err := strconv.ParseInt(string(line[1:]), 10, 64)
if err != nil {
return nil, &parserError{err}
}
switch multiBulkType {
switch typ {
case stringSlice:
vals := make([]string, 0, numReplies)
for i := int64(0); i < numReplies; i++ {
v, err := parseReply(rd)
vals := make([]string, 0, repliesNum)
for i := int64(0); i < repliesNum; i++ {
vi, err := parseReply(rd)
if err != nil {
return nil, err
}
if v, ok := vi.(string); ok {
vals = append(vals, v)
} else {
vals = append(vals, v.(string))
return nil, errInvalidType
}
}
return vals, nil
case boolSlice:
vals := make([]bool, 0, numReplies)
for i := int64(0); i < numReplies; i++ {
v, err := parseReply(rd)
vals := make([]bool, 0, repliesNum)
for i := int64(0); i < repliesNum; i++ {
vi, err := parseReply(rd)
if err != nil {
return nil, err
}
if v, ok := vi.(int64); ok {
vals = append(vals, v == 1)
} else {
vals = append(vals, v.(int64) == 1)
return nil, errInvalidType
}
}
return vals, nil
case stringStringMap:
m := make(map[string]string, repliesNum/2)
for i := int64(0); i < repliesNum; i += 2 {
keyI, err := parseReply(rd)
if err != nil {
return nil, err
}
key, ok := keyI.(string)
if !ok {
return nil, errInvalidType
}
valueI, err := parseReply(rd)
if err != nil {
return nil, err
}
value, ok := valueI.(string)
if !ok {
return nil, errInvalidType
}
m[key] = value
}
return m, nil
case stringFloatMap:
m := make(map[string]float64, repliesNum/2)
for i := int64(0); i < repliesNum; i += 2 {
keyI, err := parseReply(rd)
if err != nil {
return nil, err
}
key, ok := keyI.(string)
if !ok {
return nil, errInvalidType
}
valueI, err := parseReply(rd)
if err != nil {
return nil, err
}
valueS, ok := valueI.(string)
if !ok {
return nil, errInvalidType
}
value, err := strconv.ParseFloat(valueS, 64)
if err != nil {
return nil, &parserError{err}
}
m[key] = value
}
return m, nil
default:
vals := make([]interface{}, 0, numReplies)
for i := int64(0); i < numReplies; i++ {
vals := make([]interface{}, 0, repliesNum)
for i := int64(0); i < repliesNum; i++ {
v, err := parseReply(rd)
if err == Nil {
vals = append(vals, nil)
@ -230,7 +295,6 @@ func _parseReply(rd reader, multiBulkType int) (interface{}, error) {
vals = append(vals, v)
}
}
return vals, nil
}
default:

99
redis_test.go
View File

@ -1088,6 +1088,17 @@ func (t *RedisTest) TestCmdHGetAll(c *C) {
c.Assert(hGetAll.Val(), DeepEquals, []string{"key1", "hello1", "key2", "hello2"})
}
func (t *RedisTest) TestCmdHGetAllMap(c *C) {
hSet := t.client.HSet("hash", "key1", "hello1")
c.Assert(hSet.Err(), IsNil)
hSet = t.client.HSet("hash", "key2", "hello2")
c.Assert(hSet.Err(), IsNil)
hGetAll := t.client.HGetAllMap("hash")
c.Assert(hGetAll.Err(), IsNil)
c.Assert(hGetAll.Val(), DeepEquals, map[string]string{"key1": "hello1", "key2": "hello2"})
}
func (t *RedisTest) TestCmdHIncrBy(c *C) {
hSet := t.client.HSet("hash", "key", "5")
c.Assert(hSet.Err(), IsNil)
@ -1928,6 +1939,27 @@ func (t *RedisTest) TestZRange(c *C) {
c.Assert(zRange.Val(), DeepEquals, []string{"two", "three"})
}
func (t *RedisTest) TestZRangeWithScoresMap(c *C) {
zAdd := t.client.ZAdd("zset", redis.Z{1, "one"})
c.Assert(zAdd.Err(), IsNil)
zAdd = t.client.ZAdd("zset", redis.Z{2, "two"})
c.Assert(zAdd.Err(), IsNil)
zAdd = t.client.ZAdd("zset", redis.Z{3, "three"})
c.Assert(zAdd.Err(), IsNil)
zRange := t.client.ZRangeWithScoresMap("zset", 0, -1)
c.Assert(zRange.Err(), IsNil)
c.Assert(zRange.Val(), DeepEquals, map[string]float64{"one": 1, "two": 2, "three": 3})
zRange = t.client.ZRangeWithScoresMap("zset", 2, 3)
c.Assert(zRange.Err(), IsNil)
c.Assert(zRange.Val(), DeepEquals, map[string]float64{"three": 3})
zRange = t.client.ZRangeWithScoresMap("zset", -2, -1)
c.Assert(zRange.Err(), IsNil)
c.Assert(zRange.Val(), DeepEquals, map[string]float64{"two": 2, "three": 3})
}
func (t *RedisTest) TestZRangeByScore(c *C) {
zAdd := t.client.ZAdd("zset", redis.Z{1, "one"})
c.Assert(zAdd.Err(), IsNil)
@ -1953,6 +1985,31 @@ func (t *RedisTest) TestZRangeByScore(c *C) {
c.Assert(zRangeByScore.Val(), DeepEquals, []string{})
}
func (t *RedisTest) TestZRangeByScoreWithScoresMap(c *C) {
zAdd := t.client.ZAdd("zset", redis.Z{1, "one"})
c.Assert(zAdd.Err(), IsNil)
zAdd = t.client.ZAdd("zset", redis.Z{2, "two"})
c.Assert(zAdd.Err(), IsNil)
zAdd = t.client.ZAdd("zset", redis.Z{3, "three"})
c.Assert(zAdd.Err(), IsNil)
zRangeByScore := t.client.ZRangeByScoreWithScoresMap("zset", "-inf", "+inf", 0, 0)
c.Assert(zRangeByScore.Err(), IsNil)
c.Assert(zRangeByScore.Val(), DeepEquals, map[string]float64{"one": 1, "two": 2, "three": 3})
zRangeByScore = t.client.ZRangeByScoreWithScoresMap("zset", "1", "2", 0, 0)
c.Assert(zRangeByScore.Err(), IsNil)
c.Assert(zRangeByScore.Val(), DeepEquals, map[string]float64{"one": 1, "two": 2})
zRangeByScore = t.client.ZRangeByScoreWithScoresMap("zset", "(1", "2", 0, 0)
c.Assert(zRangeByScore.Err(), IsNil)
c.Assert(zRangeByScore.Val(), DeepEquals, map[string]float64{"two": 2})
zRangeByScore = t.client.ZRangeByScoreWithScoresMap("zset", "(1", "(2", 0, 0)
c.Assert(zRangeByScore.Err(), IsNil)
c.Assert(zRangeByScore.Val(), DeepEquals, map[string]float64{})
}
func (t *RedisTest) TestZRank(c *C) {
zAdd := t.client.ZAdd("zset", redis.Z{1, "one"})
c.Assert(zAdd.Err(), IsNil)
@ -2042,6 +2099,27 @@ func (t *RedisTest) TestZRevRange(c *C) {
c.Assert(zRevRange.Val(), DeepEquals, []string{"two", "one"})
}
func (t *RedisTest) TestZRevRangeWithScoresMap(c *C) {
zAdd := t.client.ZAdd("zset", redis.Z{1, "one"})
c.Assert(zAdd.Err(), IsNil)
zAdd = t.client.ZAdd("zset", redis.Z{2, "two"})
c.Assert(zAdd.Err(), IsNil)
zAdd = t.client.ZAdd("zset", redis.Z{3, "three"})
c.Assert(zAdd.Err(), IsNil)
zRevRange := t.client.ZRevRangeWithScoresMap("zset", "0", "-1")
c.Assert(zRevRange.Err(), IsNil)
c.Assert(zRevRange.Val(), DeepEquals, map[string]float64{"three": 3, "two": 2, "one": 1})
zRevRange = t.client.ZRevRangeWithScoresMap("zset", "2", "3")
c.Assert(zRevRange.Err(), IsNil)
c.Assert(zRevRange.Val(), DeepEquals, map[string]float64{"one": 1})
zRevRange = t.client.ZRevRangeWithScoresMap("zset", "-2", "-1")
c.Assert(zRevRange.Err(), IsNil)
c.Assert(zRevRange.Val(), DeepEquals, map[string]float64{"two": 2, "one": 1})
}
func (t *RedisTest) TestZRevRangeByScore(c *C) {
zAdd := t.client.ZAdd("zset", redis.Z{1, "one"})
c.Assert(zAdd.Err(), IsNil)
@ -2063,6 +2141,27 @@ func (t *RedisTest) TestZRevRangeByScore(c *C) {
c.Assert(zRevRangeByScore.Val(), DeepEquals, []string{})
}
func (t *RedisTest) TestZRevRangeByScoreWithScoresMap(c *C) {
zAdd := t.client.ZAdd("zset", redis.Z{1, "one"})
c.Assert(zAdd.Err(), IsNil)
zAdd = t.client.ZAdd("zset", redis.Z{2, "two"})
c.Assert(zAdd.Err(), IsNil)
zAdd = t.client.ZAdd("zset", redis.Z{3, "three"})
c.Assert(zAdd.Err(), IsNil)
zRevRangeByScore := t.client.ZRevRangeByScoreWithScoresMap("zset", "+inf", "-inf", 0, 0)
c.Assert(zRevRangeByScore.Err(), IsNil)
c.Assert(zRevRangeByScore.Val(), DeepEquals, map[string]float64{"three": 3, "two": 2, "one": 1})
zRevRangeByScore = t.client.ZRevRangeByScoreWithScoresMap("zset", "2", "(1", 0, 0)
c.Assert(zRevRangeByScore.Err(), IsNil)
c.Assert(zRevRangeByScore.Val(), DeepEquals, map[string]float64{"two": 2})
zRevRangeByScore = t.client.ZRevRangeByScoreWithScoresMap("zset", "(2", "(1", 0, 0)
c.Assert(zRevRangeByScore.Err(), IsNil)
c.Assert(zRevRangeByScore.Val(), DeepEquals, map[string]float64{})
}
func (t *RedisTest) TestZRevRank(c *C) {
zAdd := t.client.ZAdd("zset", redis.Z{1, "one"})
c.Assert(zAdd.Err(), IsNil)

46
req.go
View File

@ -255,3 +255,49 @@ func (r *BoolSliceReq) Val() []bool {
}
return r.val.([]bool)
}
//------------------------------------------------------------------------------
type StringStringMapReq struct {
*BaseReq
}
func NewStringStringMapReq(args ...string) *StringStringMapReq {
return &StringStringMapReq{
BaseReq: NewBaseReq(args...),
}
}
func (r *StringStringMapReq) ParseReply(rd reader) (interface{}, error) {
return parseStringStringMapReply(rd)
}
func (r *StringStringMapReq) Val() map[string]string {
if r.val == nil {
return nil
}
return r.val.(map[string]string)
}
//------------------------------------------------------------------------------
type StringFloatMapReq struct {
*BaseReq
}
func NewStringFloatMapReq(args ...string) *StringFloatMapReq {
return &StringFloatMapReq{
BaseReq: NewBaseReq(args...),
}
}
func (r *StringFloatMapReq) ParseReply(rd reader) (interface{}, error) {
return parseStringFloatMapReply(rd)
}
func (r *StringFloatMapReq) Val() map[string]float64 {
if r.val == nil {
return nil
}
return r.val.(map[string]float64)
}