mirror of https://github.com/go-redis/redis.git
Add support for BZMPOP (#2456)
* Add support for BZMPOP * Add BZMPOP command comment
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parent
621c02c583
commit
6045d2e456
21
commands.go
21
commands.go
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@ -299,6 +299,7 @@ type Cmdable interface {
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BZPopMax(ctx context.Context, timeout time.Duration, keys ...string) *ZWithKeyCmd
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BZPopMin(ctx context.Context, timeout time.Duration, keys ...string) *ZWithKeyCmd
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BZMPop(ctx context.Context, timeout time.Duration, order string, count int64, keys ...string) *ZSliceWithKeyCmd
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ZAdd(ctx context.Context, key string, members ...Z) *IntCmd
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ZAddNX(ctx context.Context, key string, members ...Z) *IntCmd
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@ -2328,6 +2329,26 @@ func (c cmdable) BZPopMin(ctx context.Context, timeout time.Duration, keys ...st
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return cmd
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}
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// BZMPop is the blocking variant of ZMPOP.
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// When any of the sorted sets contains elements, this command behaves exactly like ZMPOP.
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// When all sorted sets are empty, Redis will block the connection until another client adds members to one of the keys or until the timeout elapses.
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// A timeout of zero can be used to block indefinitely.
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// example: client.BZMPop(ctx, 0,"max", 1, "set")
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func (c cmdable) BZMPop(ctx context.Context, timeout time.Duration, order string, count int64, keys ...string) *ZSliceWithKeyCmd {
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args := make([]interface{}, 3+len(keys), 6+len(keys))
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args[0] = "bzmpop"
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args[1] = formatSec(ctx, timeout)
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args[2] = len(keys)
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for i, key := range keys {
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args[3+i] = key
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}
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args = append(args, strings.ToLower(order), "count", count)
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cmd := NewZSliceWithKeyCmd(ctx, args...)
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cmd.setReadTimeout(timeout)
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_ = c(ctx, cmd)
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return cmd
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}
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// ZAddArgs WARN: The GT, LT and NX options are mutually exclusive.
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type ZAddArgs struct {
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NX bool
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159
commands_test.go
159
commands_test.go
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@ -3772,7 +3772,7 @@ var _ = Describe("Commands", func() {
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Expect(err).NotTo(HaveOccurred())
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Expect(key).To(Equal("zset"))
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Expect(elems).To(Equal([]redis.Z{{
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Score: 1,
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Score: 1,
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Member: "one",
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}}))
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@ -3790,22 +3790,21 @@ var _ = Describe("Commands", func() {
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Expect(err).NotTo(HaveOccurred())
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Expect(key).To(Equal("myzset"))
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Expect(elems).To(Equal([]redis.Z{{
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Score:1,
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Member:"one",
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Score: 1,
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Member: "one",
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}}))
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key, elems, err = client.ZMPop(ctx, "max", 10, "myzset").Result()
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Expect(err).NotTo(HaveOccurred())
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Expect(key).To(Equal("myzset"))
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Expect(elems).To(Equal([]redis.Z{{
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Score:3,
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Member:"three",
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},{
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Score: 2,
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Score: 3,
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Member: "three",
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}, {
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Score: 2,
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Member: "two",
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}}))
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err = client.ZAdd(ctx, "myzset2", redis.Z{Score: 4, Member: "four"}).Err()
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Expect(err).NotTo(HaveOccurred())
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err = client.ZAdd(ctx, "myzset2", redis.Z{Score: 5, Member: "five"}).Err()
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@ -3813,22 +3812,148 @@ var _ = Describe("Commands", func() {
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err = client.ZAdd(ctx, "myzset2", redis.Z{Score: 6, Member: "six"}).Err()
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Expect(err).NotTo(HaveOccurred())
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key, elems, err = client.ZMPop(ctx, "min", 10, "myzset","myzset2").Result()
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key, elems, err = client.ZMPop(ctx, "min", 10, "myzset", "myzset2").Result()
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Expect(err).NotTo(HaveOccurred())
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Expect(key).To(Equal("myzset2"))
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Expect(elems).To(Equal([]redis.Z{{
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Score:4,
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Member:"four",
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},{
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Score: 5,
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Score: 4,
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Member: "four",
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}, {
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Score: 5,
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Member: "five",
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},{
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Score:6,
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}, {
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Score: 6,
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Member: "six",
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}}))
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})
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It("should BZMPop", func() {
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err := client.ZAdd(ctx, "zset", redis.Z{Score: 1, Member: "one"}).Err()
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Expect(err).NotTo(HaveOccurred())
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err = client.ZAdd(ctx, "zset", redis.Z{Score: 2, Member: "two"}).Err()
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Expect(err).NotTo(HaveOccurred())
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err = client.ZAdd(ctx, "zset", redis.Z{Score: 3, Member: "three"}).Err()
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Expect(err).NotTo(HaveOccurred())
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err = client.ZAdd(ctx, "zset2", redis.Z{Score: 1, Member: "one"}).Err()
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Expect(err).NotTo(HaveOccurred())
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err = client.ZAdd(ctx, "zset2", redis.Z{Score: 2, Member: "two"}).Err()
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Expect(err).NotTo(HaveOccurred())
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err = client.ZAdd(ctx, "zset2", redis.Z{Score: 3, Member: "three"}).Err()
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Expect(err).NotTo(HaveOccurred())
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key, elems, err := client.BZMPop(ctx, 0, "min", 1, "zset").Result()
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Expect(err).NotTo(HaveOccurred())
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Expect(key).To(Equal("zset"))
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Expect(elems).To(Equal([]redis.Z{{
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Score: 1,
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Member: "one",
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}}))
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key, elems, err = client.BZMPop(ctx, 0, "max", 1, "zset").Result()
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Expect(err).NotTo(HaveOccurred())
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Expect(key).To(Equal("zset"))
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Expect(elems).To(Equal([]redis.Z{{
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Score: 3,
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Member: "three",
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}}))
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key, elems, err = client.BZMPop(ctx, 0, "min", 10, "zset").Result()
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Expect(err).NotTo(HaveOccurred())
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Expect(key).To(Equal("zset"))
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Expect(elems).To(Equal([]redis.Z{{
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Score: 2,
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Member: "two",
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}}))
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key, elems, err = client.BZMPop(ctx, 0, "max", 10, "zset2").Result()
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Expect(err).NotTo(HaveOccurred())
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Expect(key).To(Equal("zset2"))
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Expect(elems).To(Equal([]redis.Z{{
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Score: 3,
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Member: "three",
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}, {
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Score: 2,
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Member: "two",
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}, {
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Score: 1,
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Member: "one",
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}}))
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err = client.ZAdd(ctx, "myzset", redis.Z{Score: 1, Member: "one"}).Err()
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Expect(err).NotTo(HaveOccurred())
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key, elems, err = client.BZMPop(ctx, 0, "min", 10, "myzset").Result()
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Expect(err).NotTo(HaveOccurred())
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Expect(key).To(Equal("myzset"))
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Expect(elems).To(Equal([]redis.Z{{
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Score: 1,
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Member: "one",
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}}))
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err = client.ZAdd(ctx, "myzset2", redis.Z{Score: 4, Member: "four"}).Err()
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Expect(err).NotTo(HaveOccurred())
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err = client.ZAdd(ctx, "myzset2", redis.Z{Score: 5, Member: "five"}).Err()
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Expect(err).NotTo(HaveOccurred())
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key, elems, err = client.BZMPop(ctx, 0, "min", 10, "myzset", "myzset2").Result()
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Expect(err).NotTo(HaveOccurred())
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Expect(key).To(Equal("myzset2"))
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Expect(elems).To(Equal([]redis.Z{{
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Score: 4,
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Member: "four",
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}, {
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Score: 5,
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Member: "five",
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}}))
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})
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It("should BZMPopBlocks", func() {
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started := make(chan bool)
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done := make(chan bool)
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go func() {
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defer GinkgoRecover()
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started <- true
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key, elems, err := client.BZMPop(ctx, 0, "min", 1, "list_list").Result()
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Expect(err).NotTo(HaveOccurred())
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Expect(key).To(Equal("list_list"))
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Expect(elems).To(Equal([]redis.Z{{
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Score: 1,
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Member: "one",
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}}))
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done <- true
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}()
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<-started
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select {
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case <-done:
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Fail("BZMPop is not blocked")
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case <-time.After(time.Second):
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//ok
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}
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err := client.ZAdd(ctx, "list_list", redis.Z{Score: 1, Member: "one"}).Err()
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Expect(err).NotTo(HaveOccurred())
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select {
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case <-done:
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//ok
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case <-time.After(time.Second):
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Fail("BZMPop is still blocked")
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}
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})
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It("should BZMPop timeout", func() {
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_, val, err := client.BZMPop(ctx, time.Second, "min", 1, "list1").Result()
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Expect(err).To(Equal(redis.Nil))
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Expect(val).To(BeNil())
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Expect(client.Ping(ctx).Err()).NotTo(HaveOccurred())
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stats := client.PoolStats()
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Expect(stats.Hits).To(Equal(uint32(2)))
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Expect(stats.Misses).To(Equal(uint32(1)))
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Expect(stats.Timeouts).To(Equal(uint32(0)))
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})
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It("should ZMScore", func() {
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