// EXAMPLE: query_geo
// HIDE_START
package example_commands_test
import (
"context"
"fmt"
"sort"
"github.com/redis/go-redis/v9"
)
func ExampleClient_query_geo() {
ctx := context.Background()
rdb := redis.NewClient(&redis.Options{
Addr: "localhost:6379",
Password: "", // no password docs
DB: 0, // use default DB
Protocol: 2,
})
// HIDE_END
// REMOVE_START
// start with fresh database
rdb.FlushDB(ctx)
rdb.FTDropIndex(ctx, "idx:bicycle")
// REMOVE_END
_, err := rdb.FTCreate(ctx, "idx:bicycle",
&redis.FTCreateOptions{
OnJSON: true,
Prefix: []interface{}{"bicycle:"},
},
&redis.FieldSchema{
FieldName: "$.brand",
As: "brand",
FieldType: redis.SearchFieldTypeText,
},
&redis.FieldSchema{
FieldName: "$.model",
As: "model",
FieldType: redis.SearchFieldTypeText,
},
&redis.FieldSchema{
FieldName: "$.description",
As: "description",
FieldType: redis.SearchFieldTypeText,
},
&redis.FieldSchema{
FieldName: "$.price",
As: "price",
FieldType: redis.SearchFieldTypeNumeric,
},
&redis.FieldSchema{
FieldName: "$.condition",
As: "condition",
FieldType: redis.SearchFieldTypeTag,
},
&redis.FieldSchema{
FieldName: "$.store_location",
As: "store_location",
FieldType: redis.SearchFieldTypeGeo,
},
&redis.FieldSchema{
FieldName: "$.pickup_zone",
As: "pickup_zone",
FieldType: redis.SearchFieldTypeGeoShape,
GeoShapeFieldType: "FLAT",
},
).Result()
if err != nil {
panic(err)
}
exampleJsons := []map[string]interface{}{
{
"pickup_zone": "POLYGON((-74.0610 40.7578, -73.9510 40.7578, -73.9510 40.6678, " +
"-74.0610 40.6678, -74.0610 40.7578))",
"store_location": "-74.0060,40.7128",
"brand": "Velorim",
"model": "Jigger",
"price": 270,
"description": "Small and powerful, the Jigger is the best ride for the smallest of tikes! " +
"This is the tiniest kids pedal bike on the market available without a coaster brake, the Jigger " +
"is the vehicle of choice for the rare tenacious little rider raring to go.",
"condition": "new",
},
{
"pickup_zone": "POLYGON((-118.2887 34.0972, -118.1987 34.0972, -118.1987 33.9872, " +
"-118.2887 33.9872, -118.2887 34.0972))",
"store_location": "-118.2437,34.0522",
"brand": "Bicyk",
"model": "Hillcraft",
"price": 1200,
"description": "Kids want to ride with as little weight as possible. Especially " +
"on an incline! They may be at the age when a 27.5'' wheel bike is just too clumsy coming " +
"off a 24'' bike. The Hillcraft 26 is just the solution they need!",
"condition": "used",
},
{
"pickup_zone": "POLYGON((-87.6848 41.9331, -87.5748 41.9331, -87.5748 41.8231, " +
"-87.6848 41.8231, -87.6848 41.9331))",
"store_location": "-87.6298,41.8781",
"brand": "Nord",
"model": "Chook air 5",
"price": 815,
"description": "The Chook Air 5 gives kids aged six years and older a durable " +
"and uberlight mountain bike for their first experience on tracks and easy cruising through " +
"forests and fields. The lower top tube makes it easy to mount and dismount in any " +
"situation, giving your kids greater safety on the trails.",
"condition": "used",
},
{
"pickup_zone": "POLYGON((-80.2433 25.8067, -80.1333 25.8067, -80.1333 25.6967, " +
"-80.2433 25.6967, -80.2433 25.8067))",
"store_location": "-80.1918,25.7617",
"brand": "Eva",
"model": "Eva 291",
"price": 3400,
"description": "The sister company to Nord, Eva launched in 2005 as the first " +
"and only women-dedicated bicycle brand. Designed by women for women, allEva bikes " +
"are optimized for the feminine physique using analytics from a body metrics database. " +
"If you like 29ers, try the Eva 291. It’s a brand new bike for 2022.. This " +
"full-suspension, cross-country ride has been designed for velocity. The 291 has " +
"100mm of front and rear travel, a superlight aluminum frame and fast-rolling " +
"29-inch wheels. Yippee!",
"condition": "used",
},
{
"pickup_zone": "POLYGON((-122.4644 37.8199, -122.3544 37.8199, -122.3544 37.7099, " +
"-122.4644 37.7099, -122.4644 37.8199))",
"store_location": "-122.4194,37.7749",
"brand": "Noka Bikes",
"model": "Kahuna",
"price": 3200,
"description": "Whether you want to try your hand at XC racing or are looking " +
"for a lively trail bike that's just as inspiring on the climbs as it is over rougher " +
"ground, the Wilder is one heck of a bike built specifically for short women. Both the " +
"frames and components have been tweaked to include a women’s saddle, different bars " +
"and unique colourway.",
"condition": "used",
},
{
"pickup_zone": "POLYGON((-0.1778 51.5524, 0.0822 51.5524, 0.0822 51.4024, " +
"-0.1778 51.4024, -0.1778 51.5524))",
"store_location": "-0.1278,51.5074",
"brand": "Breakout",
"model": "XBN 2.1 Alloy",
"price": 810,
"description": "The XBN 2.1 Alloy is our entry-level road bike – but that’s " +
"not to say that it’s a basic machine. With an internal weld aluminium frame, a full " +
"carbon fork, and the slick-shifting Claris gears from Shimano’s, this is a bike which " +
"doesn’t break the bank and delivers craved performance.",
"condition": "new",
},
{
"pickup_zone": "POLYGON((2.1767 48.9016, 2.5267 48.9016, 2.5267 48.5516, " +
"2.1767 48.5516, 2.1767 48.9016))",
"store_location": "2.3522,48.8566",
"brand": "ScramBikes",
"model": "WattBike",
"price": 2300,
"description": "The WattBike is the best e-bike for people who still " +
"feel young at heart. It has a Bafang 1000W mid-drive system and a 48V 17.5AH " +
"Samsung Lithium-Ion battery, allowing you to ride for more than 60 miles on one " +
"charge. It’s great for tackling hilly terrain or if you just fancy a more " +
"leisurely ride. With three working modes, you can choose between E-bike, " +
"assisted bicycle, and normal bike modes.",
"condition": "new",
},
{
"pickup_zone": "POLYGON((13.3260 52.5700, 13.6550 52.5700, 13.6550 52.2700, " +
"13.3260 52.2700, 13.3260 52.5700))",
"store_location": "13.4050,52.5200",
"brand": "Peaknetic",
"model": "Secto",
"price": 430,
"description": "If you struggle with stiff fingers or a kinked neck or " +
"back after a few minutes on the road, this lightweight, aluminum bike alleviates " +
"those issues and allows you to enjoy the ride. From the ergonomic grips to the " +
"lumbar-supporting seat position, the Roll Low-Entry offers incredible comfort. " +
"The rear-inclined seat tube facilitates stability by allowing you to put a foot " +
"on the ground to balance at a stop, and the low step-over frame makes it " +
"accessible for all ability and mobility levels. The saddle is very soft, with " +
"a wide back to support your hip joints and a cutout in the center to redistribute " +
"that pressure. Rim brakes deliver satisfactory braking control, and the wide tires " +
"provide a smooth, stable ride on paved roads and gravel. Rack and fender mounts " +
"facilitate setting up the Roll Low-Entry as your preferred commuter, and the " +
"BMX-like handlebar offers space for mounting a flashlight, bell, or phone holder.",
"condition": "new",
},
{
"pickup_zone": "POLYGON((1.9450 41.4301, 2.4018 41.4301, 2.4018 41.1987, " +
"1.9450 41.1987, 1.9450 41.4301))",
"store_location": "2.1734, 41.3851",
"brand": "nHill",
"model": "Summit",
"price": 1200,
"description": "This budget mountain bike from nHill performs well both " +
"on bike paths and on the trail. The fork with 100mm of travel absorbs rough " +
"terrain. Fat Kenda Booster tires give you grip in corners and on wet trails. " +
"The Shimano Tourney drivetrain offered enough gears for finding a comfortable " +
"pace to ride uphill, and the Tektro hydraulic disc brakes break smoothly. " +
"Whether you want an affordable bike that you can take to work, but also take " +
"trail in mountains on the weekends or you’re just after a stable, comfortable " +
"ride for the bike path, the Summit gives a good value for money.",
"condition": "new",
},
{
"pickup_zone": "POLYGON((12.4464 42.1028, 12.5464 42.1028, " +
"12.5464 41.7028, 12.4464 41.7028, 12.4464 42.1028))",
"store_location": "12.4964,41.9028",
"model": "ThrillCycle",
"brand": "BikeShind",
"price": 815,
"description": "An artsy, retro-inspired bicycle that’s as " +
"functional as it is pretty: The ThrillCycle steel frame offers a smooth ride. " +
"A 9-speed drivetrain has enough gears for coasting in the city, but we wouldn’t " +
"suggest taking it to the mountains. Fenders protect you from mud, and a rear " +
"basket lets you transport groceries, flowers and books. The ThrillCycle comes " +
"with a limited lifetime warranty, so this little guy will last you long " +
"past graduation.",
"condition": "refurbished",
},
}
for i, json := range exampleJsons {
_, err := rdb.JSONSet(ctx, fmt.Sprintf("bicycle:%v", i), "$", json).Result()
if err != nil {
panic(err)
}
}
// STEP_START geo1
res1, err := rdb.FTSearchWithArgs(ctx,
"idx:bicycle", "@store_location:[$lon $lat $radius $units]",
&redis.FTSearchOptions{
Params: map[string]interface{}{
"lon": -0.1778,
"lat": 51.5524,
"radius": 20,
"units": "mi",
},
DialectVersion: 2,
},
).Result()
if err != nil {
panic(err)
}
fmt.Println(res1.Total) // >>> 1
for _, doc := range res1.Docs {
fmt.Println(doc.ID)
}
// >>> bicycle:5
// STEP_END
// STEP_START geo2
res2, err := rdb.FTSearchWithArgs(ctx,
"idx:bicycle",
"@pickup_zone:[CONTAINS $bike]",
&redis.FTSearchOptions{
Params: map[string]interface{}{
"bike": "POINT(-0.1278 51.5074)",
},
DialectVersion: 3,
},
).Result()
if err != nil {
panic(err)
}
fmt.Println(res2.Total) // >>> 1
for _, doc := range res2.Docs {
fmt.Println(doc.ID)
}
// >>> bicycle:5
// STEP_END
// STEP_START geo3
res3, err := rdb.FTSearchWithArgs(ctx,
"idx:bicycle",
"@pickup_zone:[WITHIN $europe]",
&redis.FTSearchOptions{
Params: map[string]interface{}{
"europe": "POLYGON((-25 35, 40 35, 40 70, -25 70, -25 35))",
},
DialectVersion: 3,
},
).Result()
if err != nil {
panic(err)
}
fmt.Println(res3.Total) // >>> 5
sort.Slice(res3.Docs, func(i, j int) bool {
return res3.Docs[i].ID < res3.Docs[j].ID
})
for _, doc := range res3.Docs {
fmt.Println(doc.ID)
}
// >>> bicycle:5
// >>> bicycle:6
// >>> bicycle:7
// >>> bicycle:8
// >>> bicycle:9
// STEP_END
// Output:
// 1
// bicycle:5
// 1
// bicycle:5
// 5
// bicycle:5
// bicycle:6
// bicycle:7
// bicycle:8
// bicycle:9
}