Merge branch 'master' of https://github.com/redis/go-redis into add-unstableresp3-to-docs

This commit is contained in:
ofekshenawa 2024-11-13 09:57:05 +02:00
commit 2eccf49a76
1 changed files with 199 additions and 0 deletions

View File

@ -0,0 +1,199 @@
// EXAMPLE: go_home_json
// HIDE_START
package example_commands_test
// HIDE_END
// STEP_START import
import (
"context"
"fmt"
"sort"
"github.com/redis/go-redis/v9"
)
// STEP_END
func ExampleClient_search_json() {
// STEP_START connect
ctx := context.Background()
rdb := redis.NewClient(&redis.Options{
Addr: "localhost:6379",
Password: "", // no password docs
DB: 0, // use default DB
Protocol: 2,
})
// STEP_END
// REMOVE_START
rdb.Del(ctx, "user:1", "user:2", "user:3")
rdb.FTDropIndex(ctx, "idx:users")
// REMOVE_END
// STEP_START create_data
user1 := map[string]interface{}{
"name": "Paul John",
"email": "paul.john@example.com",
"age": 42,
"city": "London",
}
user2 := map[string]interface{}{
"name": "Eden Zamir",
"email": "eden.zamir@example.com",
"age": 29,
"city": "Tel Aviv",
}
user3 := map[string]interface{}{
"name": "Paul Zamir",
"email": "paul.zamir@example.com",
"age": 35,
"city": "Tel Aviv",
}
// STEP_END
// STEP_START make_index
_, err := rdb.FTCreate(
ctx,
"idx:users",
// Options:
&redis.FTCreateOptions{
OnJSON: true,
Prefix: []interface{}{"user:"},
},
// Index schema fields:
&redis.FieldSchema{
FieldName: "$.name",
As: "name",
FieldType: redis.SearchFieldTypeText,
},
&redis.FieldSchema{
FieldName: "$.city",
As: "city",
FieldType: redis.SearchFieldTypeTag,
},
&redis.FieldSchema{
FieldName: "$.age",
As: "age",
FieldType: redis.SearchFieldTypeNumeric,
},
).Result()
if err != nil {
panic(err)
}
// STEP_END
// STEP_START add_data
_, err = rdb.JSONSet(ctx, "user:1", "$", user1).Result()
if err != nil {
panic(err)
}
_, err = rdb.JSONSet(ctx, "user:2", "$", user2).Result()
if err != nil {
panic(err)
}
_, err = rdb.JSONSet(ctx, "user:3", "$", user3).Result()
if err != nil {
panic(err)
}
// STEP_END
// STEP_START query1
findPaulResult, err := rdb.FTSearch(
ctx,
"idx:users",
"Paul @age:[30 40]",
).Result()
if err != nil {
panic(err)
}
fmt.Println(findPaulResult)
// >>> {1 [{user:3 <nil> <nil> <nil> map[$:{"age":35,"city":"Tel Aviv"...
// STEP_END
// STEP_START query2
citiesResult, err := rdb.FTSearchWithArgs(
ctx,
"idx:users",
"Paul",
&redis.FTSearchOptions{
Return: []redis.FTSearchReturn{
{
FieldName: "$.city",
As: "city",
},
},
},
).Result()
if err != nil {
panic(err)
}
sort.Slice(citiesResult.Docs, func(i, j int) bool {
return citiesResult.Docs[i].Fields["city"] < citiesResult.Docs[j].Fields["city"]
})
for _, result := range citiesResult.Docs {
fmt.Println(result.Fields["city"])
}
// >>> London
// >>> Tel Aviv
// STEP_END
// STEP_START query3
aggOptions := redis.FTAggregateOptions{
GroupBy: []redis.FTAggregateGroupBy{
{
Fields: []interface{}{"@city"},
Reduce: []redis.FTAggregateReducer{
{
Reducer: redis.SearchCount,
As: "count",
},
},
},
},
}
aggResult, err := rdb.FTAggregateWithArgs(
ctx,
"idx:users",
"*",
&aggOptions,
).Result()
if err != nil {
panic(err)
}
sort.Slice(aggResult.Rows, func(i, j int) bool {
return aggResult.Rows[i].Fields["city"].(string) <
aggResult.Rows[j].Fields["city"].(string)
})
for _, row := range aggResult.Rows {
fmt.Printf("%v - %v\n",
row.Fields["city"], row.Fields["count"],
)
}
// >>> City: London - 1
// >>> City: Tel Aviv - 2
// STEP_END
// Output:
// {1 [{user:3 <nil> <nil> <nil> map[$:{"age":35,"city":"Tel Aviv","email":"paul.zamir@example.com","name":"Paul Zamir"}]}]}
// London
// Tel Aviv
// London - 1
// Tel Aviv - 2
}