mirror of https://github.com/go-redis/redis.git
252 lines
4.0 KiB
Go
252 lines
4.0 KiB
Go
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// EXAMPLE: tdigest_tutorial
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// HIDE_START
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package example_commands_test
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import (
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"context"
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"fmt"
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"github.com/redis/go-redis/v9"
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)
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// HIDE_END
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func ExampleClient_tdigstart() {
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ctx := context.Background()
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rdb := redis.NewClient(&redis.Options{
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Addr: "localhost:6379",
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Password: "", // no password docs
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DB: 0, // use default DB
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})
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// REMOVE_START
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rdb.Del(ctx, "racer_ages", "bikes:sales")
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// REMOVE_END
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// STEP_START tdig_start
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res1, err := rdb.TDigestCreate(ctx, "bikes:sales").Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(res1) // >>> OK
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res2, err := rdb.TDigestAdd(ctx, "bikes:sales", 21).Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(res2) // >>> OK
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res3, err := rdb.TDigestAdd(ctx, "bikes:sales",
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150, 95, 75, 34,
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).Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(res3) // >>> OK
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// STEP_END
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// Output:
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// OK
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// OK
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// OK
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}
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func ExampleClient_tdigcdf() {
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ctx := context.Background()
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rdb := redis.NewClient(&redis.Options{
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Addr: "localhost:6379",
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Password: "", // no password docs
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DB: 0, // use default DB
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})
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// REMOVE_START
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rdb.Del(ctx, "racer_ages", "bikes:sales")
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// REMOVE_END
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// STEP_START tdig_cdf
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res4, err := rdb.TDigestCreate(ctx, "racer_ages").Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(res4) // >>> OK
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res5, err := rdb.TDigestAdd(ctx, "racer_ages",
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45.88, 44.2, 58.03, 19.76, 39.84, 69.28,
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50.97, 25.41, 19.27, 85.71, 42.63,
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).Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(res5) // >>> OK
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res6, err := rdb.TDigestRank(ctx, "racer_ages", 50).Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(res6) // >>> [7]
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res7, err := rdb.TDigestRank(ctx, "racer_ages", 50, 40).Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(res7) // >>> [7 4]
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// STEP_END
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// Output:
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// OK
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// OK
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// [7]
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// [7 4]
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}
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func ExampleClient_tdigquant() {
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ctx := context.Background()
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rdb := redis.NewClient(&redis.Options{
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Addr: "localhost:6379",
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Password: "", // no password docs
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DB: 0, // use default DB
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})
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// REMOVE_START
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rdb.Del(ctx, "racer_ages")
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// REMOVE_END
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_, err := rdb.TDigestCreate(ctx, "racer_ages").Result()
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if err != nil {
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panic(err)
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}
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_, err = rdb.TDigestAdd(ctx, "racer_ages",
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45.88, 44.2, 58.03, 19.76, 39.84, 69.28,
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50.97, 25.41, 19.27, 85.71, 42.63,
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).Result()
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if err != nil {
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panic(err)
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}
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// STEP_START tdig_quant
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res8, err := rdb.TDigestQuantile(ctx, "racer_ages", 0.5).Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(res8) // >>> [44.2]
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res9, err := rdb.TDigestByRank(ctx, "racer_ages", 4).Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(res9) // >>> [42.63]
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// STEP_END
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// Output:
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// [44.2]
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// [42.63]
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}
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func ExampleClient_tdigmin() {
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ctx := context.Background()
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rdb := redis.NewClient(&redis.Options{
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Addr: "localhost:6379",
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Password: "", // no password docs
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DB: 0, // use default DB
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})
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// REMOVE_START
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rdb.Del(ctx, "racer_ages")
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// REMOVE_END
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_, err := rdb.TDigestCreate(ctx, "racer_ages").Result()
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if err != nil {
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panic(err)
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}
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_, err = rdb.TDigestAdd(ctx, "racer_ages",
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45.88, 44.2, 58.03, 19.76, 39.84, 69.28,
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50.97, 25.41, 19.27, 85.71, 42.63,
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).Result()
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if err != nil {
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panic(err)
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}
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// STEP_START tdig_min
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res10, err := rdb.TDigestMin(ctx, "racer_ages").Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(res10) // >>> 19.27
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res11, err := rdb.TDigestMax(ctx, "racer_ages").Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(res11) // >>> 85.71
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// STEP_END
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// Output:
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// 19.27
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// 85.71
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}
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func ExampleClient_tdigreset() {
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ctx := context.Background()
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rdb := redis.NewClient(&redis.Options{
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Addr: "localhost:6379",
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Password: "", // no password docs
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DB: 0, // use default DB
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})
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// REMOVE_START
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rdb.Del(ctx, "racer_ages")
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// REMOVE_END
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_, err := rdb.TDigestCreate(ctx, "racer_ages").Result()
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if err != nil {
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panic(err)
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}
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// STEP_START tdig_reset
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res12, err := rdb.TDigestReset(ctx, "racer_ages").Result()
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if err != nil {
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panic(err)
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}
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fmt.Println(res12) // >>> OK
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// STEP_END
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// Output:
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// OK
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}
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