DOC-5078 vector set examples (#3394)

doctests/Makefile

@@ -0,0 +1,16 @@
+test:
+	@if [ -z "$(REDIS_VERSION)" ]; then \
+		echo "REDIS_VERSION not set, running all tests"; \
+		go test -v ./...; \
+	else \
+		MAJOR_VERSION=$$(echo "$(REDIS_VERSION)" | cut -d. -f1); \
+		if [ "$$MAJOR_VERSION" -ge 8 ]; then \
+			echo "REDIS_VERSION $(REDIS_VERSION) >= 8, running all tests"; \
+			go test -v ./...; \
+		else \
+			echo "REDIS_VERSION $(REDIS_VERSION) < 8, skipping vector_sets tests"; \
+			go test -v ./... -run '^(?!.*(?:vectorset|ExampleClient_vectorset)).*$$'; \
+		fi; \
+	fi
+
+.PHONY: test

doctests/main_test.go

@@ -0,0 +1,16 @@
+package example_commands_test
+
+import (
+	"fmt"
+	"os"
+	"strconv"
+	"strings"
+)
+
+var RedisVersion float64
+
+func init() {
+	// read REDIS_VERSION from env
+	RedisVersion, _ = strconv.ParseFloat(strings.Trim(os.Getenv("REDIS_VERSION"), "\""), 64)
+	fmt.Printf("REDIS_VERSION: %.1f\n", RedisVersion)
+}

doctests/vec_set_test.go

@@ -0,0 +1,546 @@
+// EXAMPLE: vecset_tutorial
+// HIDE_START
+package example_commands_test
+
+import (
+	"context"
+	"fmt"
+	"sort"
+
+	"github.com/redis/go-redis/v9"
+)
+
+// HIDE_END
+
+func ExampleClient_vectorset() {
+	ctx := context.Background()
+
+	rdb := redis.NewClient(&redis.Options{
+		Addr:     "localhost:6379",
+		Password: "", // no password set
+		DB:       0,  // use default DB
+	})
+
+	defer rdb.Close()
+	// REMOVE_START
+	rdb.Del(ctx, "points", "quantSetQ8", "quantSetNoQ", "quantSetBin", "setNotReduced", "setReduced")
+	// REMOVE_END
+
+	// STEP_START vadd
+	res1, err := rdb.VAdd(ctx, "points", "pt:A",
+		&redis.VectorValues{Val: []float64{1.0, 1.0}},
+	).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res1) // >>> true
+
+	res2, err := rdb.VAdd(ctx, "points", "pt:B",
+		&redis.VectorValues{Val: []float64{-1.0, -1.0}},
+	).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res2) // >>> true
+
+	res3, err := rdb.VAdd(ctx, "points", "pt:C",
+		&redis.VectorValues{Val: []float64{-1.0, 1.0}},
+	).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res3) // >>> true
+
+	res4, err := rdb.VAdd(ctx, "points", "pt:D",
+		&redis.VectorValues{Val: []float64{1.0, -1.0}},
+	).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res4) // >>> true
+
+	res5, err := rdb.VAdd(ctx, "points", "pt:E",
+		&redis.VectorValues{Val: []float64{1.0, 0.0}},
+	).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res5) // >>> true
+
+	res6, err := rdb.Type(ctx, "points").Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res6) // >>> vectorset
+	// STEP_END
+
+	// STEP_START vcardvdim
+	res7, err := rdb.VCard(ctx, "points").Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res7) // >>> 5
+
+	res8, err := rdb.VDim(ctx, "points").Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res8) // >>> 2
+	// STEP_END
+
+	// STEP_START vemb
+	res9, err := rdb.VEmb(ctx, "points", "pt:A", false).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res9) // >>> [0.9999999403953552 0.9999999403953552]
+
+	res10, err := rdb.VEmb(ctx, "points", "pt:B", false).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res10) // >>> [-0.9999999403953552 -0.9999999403953552]
+
+	res11, err := rdb.VEmb(ctx, "points", "pt:C", false).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res11) // >>> [-0.9999999403953552 0.9999999403953552]
+
+	res12, err := rdb.VEmb(ctx, "points", "pt:D", false).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res12) // >>> [0.9999999403953552 -0.9999999403953552]
+
+	res13, err := rdb.VEmb(ctx, "points", "pt:E", false).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res13) // >>> [1 0]
+	// STEP_END
+
+	// STEP_START attr
+	attrs := map[string]interface{}{
+		"name":        "Point A",
+		"description": "First point added",
+	}
+
+	res14, err := rdb.VSetAttr(ctx, "points", "pt:A", attrs).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res14) // >>> true
+
+	res15, err := rdb.VGetAttr(ctx, "points", "pt:A").Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res15)
+	// >>> {"description":"First point added","name":"Point A"}
+
+	res16, err := rdb.VClearAttributes(ctx, "points", "pt:A").Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res16) // >>> true
+
+	// `VGetAttr()` returns an error if the attribute doesn't exist.
+	_, err = rdb.VGetAttr(ctx, "points", "pt:A").Result()
+
+	if err != nil {
+		fmt.Println(err)
+	}
+	// STEP_END
+
+	// STEP_START vrem
+	res18, err := rdb.VAdd(ctx, "points", "pt:F",
+		&redis.VectorValues{Val: []float64{0.0, 0.0}},
+	).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res18) // >>> true
+
+	res19, err := rdb.VCard(ctx, "points").Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res19) // >>> 6
+
+	res20, err := rdb.VRem(ctx, "points", "pt:F").Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res20) // >>> true
+
+	res21, err := rdb.VCard(ctx, "points").Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res21) // >>> 5
+	// STEP_END
+
+	// STEP_START vsim_basic
+	res22, err := rdb.VSim(ctx, "points",
+		&redis.VectorValues{Val: []float64{0.9, 0.1}},
+	).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res22) // >>> [pt:E pt:A pt:D pt:C pt:B]
+	// STEP_END
+
+	// STEP_START vsim_options
+	res23, err := rdb.VSimWithArgsWithScores(
+		ctx,
+		"points",
+		&redis.VectorRef{Name: "pt:A"},
+		&redis.VSimArgs{Count: 4},
+	).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	sort.Slice(res23, func(i, j int) bool {
+		return res23[i].Name < res23[j].Name
+	})
+
+	fmt.Println(res23)
+	// >>> [{pt:A 1} {pt:C 0.5} {pt:D 0.5} {pt:E 0.8535534143447876}]
+	// STEP_END
+
+	// STEP_START vsim_filter
+	// Set attributes for filtering
+	res24, err := rdb.VSetAttr(ctx, "points", "pt:A",
+		map[string]interface{}{
+			"size":  "large",
+			"price": 18.99,
+		},
+	).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res24) // >>> true
+
+	res25, err := rdb.VSetAttr(ctx, "points", "pt:B",
+		map[string]interface{}{
+			"size":  "large",
+			"price": 35.99,
+		},
+	).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res25) // >>> true
+
+	res26, err := rdb.VSetAttr(ctx, "points", "pt:C",
+		map[string]interface{}{
+			"size":  "large",
+			"price": 25.99,
+		},
+	).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res26) // >>> true
+
+	res27, err := rdb.VSetAttr(ctx, "points", "pt:D",
+		map[string]interface{}{
+			"size":  "small",
+			"price": 21.00,
+		},
+	).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res27) // >>> true
+
+	res28, err := rdb.VSetAttr(ctx, "points", "pt:E",
+		map[string]interface{}{
+			"size":  "small",
+			"price": 17.75,
+		},
+	).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res28) // >>> true
+
+	// Return elements in order of distance from point A whose
+	// `size` attribute is `large`.
+	res29, err := rdb.VSimWithArgs(ctx, "points",
+		&redis.VectorRef{Name: "pt:A"},
+		&redis.VSimArgs{Filter: `.size == "large"`},
+	).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res29) // >>> [pt:A pt:C pt:B]
+
+	// Return elements in order of distance from point A whose size is
+	// `large` and whose price is greater than 20.00.
+	res30, err := rdb.VSimWithArgs(ctx, "points",
+		&redis.VectorRef{Name: "pt:A"},
+		&redis.VSimArgs{Filter: `.size == "large" && .price > 20.00`},
+	).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res30) // >>> [pt:C pt:B]
+	// STEP_END
+
+	// Output:
+	// true
+	// true
+	// true
+	// true
+	// true
+	// vectorset
+	// 5
+	// 2
+	// [0.9999999403953552 0.9999999403953552]
+	// [-0.9999999403953552 -0.9999999403953552]
+	// [-0.9999999403953552 0.9999999403953552]
+	// [0.9999999403953552 -0.9999999403953552]
+	// [1 0]
+	// true
+	// {"description":"First point added","name":"Point A"}
+	// true
+	// redis: nil
+	// true
+	// 6
+	// true
+	// 5
+	// [pt:E pt:A pt:D pt:C pt:B]
+	// [{pt:A 1} {pt:C 0.5} {pt:D 0.5} {pt:E 0.8535534143447876}]
+	// true
+	// true
+	// true
+	// true
+	// true
+	// [pt:A pt:C pt:B]
+	// [pt:C pt:B]
+}
+
+func ExampleClient_vectorset_quantization() {
+	ctx := context.Background()
+
+	rdb := redis.NewClient(&redis.Options{
+		Addr:     "localhost:6379",
+		Password: "", // no password set
+		DB:       0,  // use default DB
+	})
+
+	defer rdb.Close()
+	// REMOVE_START
+	rdb.Del(ctx, "quantSetQ8", "quantSetNoQ", "quantSetBin")
+	// REMOVE_END
+
+	// STEP_START add_quant
+	// Add with Q8 quantization
+	vecQ := &redis.VectorValues{Val: []float64{1.262185, 1.958231}}
+
+	res1, err := rdb.VAddWithArgs(ctx, "quantSetQ8", "quantElement", vecQ,
+		&redis.VAddArgs{
+			Q8: true,
+		},
+	).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res1) // >>> true
+
+	embQ8, err := rdb.VEmb(ctx, "quantSetQ8", "quantElement", false).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Printf("Q8 embedding: %v\n", embQ8)
+	// >>> Q8 embedding: [1.2621850967407227 1.9582309722900391]
+
+	// Add with NOQUANT option
+	res2, err := rdb.VAddWithArgs(ctx, "quantSetNoQ", "quantElement", vecQ,
+		&redis.VAddArgs{
+			NoQuant: true,
+		},
+	).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res2) // >>> true
+
+	embNoQ, err := rdb.VEmb(ctx, "quantSetNoQ", "quantElement", false).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Printf("NOQUANT embedding: %v\n", embNoQ)
+	// >>> NOQUANT embedding: [1.262185 1.958231]
+
+	// Add with BIN quantization
+	res3, err := rdb.VAddWithArgs(ctx, "quantSetBin", "quantElement", vecQ,
+		&redis.VAddArgs{
+			Bin: true,
+		},
+	).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res3) // >>> true
+
+	embBin, err := rdb.VEmb(ctx, "quantSetBin", "quantElement", false).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Printf("BIN embedding: %v\n", embBin)
+	// >>> BIN embedding: [1 1]
+	// STEP_END
+
+	// Output:
+	// true
+	// Q8 embedding: [1.2643694877624512 1.958230972290039]
+	// true
+	// NOQUANT embedding: [1.262184977531433 1.958230972290039]
+	// true
+	// BIN embedding: [1 1]
+}
+
+func ExampleClient_vectorset_dimension_reduction() {
+	ctx := context.Background()
+
+	rdb := redis.NewClient(&redis.Options{
+		Addr:     "localhost:6379",
+		Password: "", // no password set
+		DB:       0,  // use default DB
+	})
+
+	defer rdb.Close()
+	// REMOVE_START
+	rdb.Del(ctx, "setNotReduced", "setReduced")
+	// REMOVE_END
+
+	// STEP_START add_reduce
+	// Create a vector with 300 dimensions
+	values := make([]float64, 300)
+
+	for i := 0; i < 300; i++ {
+		values[i] = float64(i) / 299
+	}
+
+	vecLarge := &redis.VectorValues{Val: values}
+
+	// Add without reduction
+	res1, err := rdb.VAdd(ctx, "setNotReduced", "element", vecLarge).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res1) // >>> true
+
+	dim1, err := rdb.VDim(ctx, "setNotReduced").Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Printf("Dimension without reduction: %d\n", dim1)
+	// >>> Dimension without reduction: 300
+
+	// Add with reduction to 100 dimensions
+	res2, err := rdb.VAddWithArgs(ctx, "setReduced", "element", vecLarge,
+		&redis.VAddArgs{
+			Reduce: 100,
+		},
+	).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res2) // >>> true
+
+	dim2, err := rdb.VDim(ctx, "setReduced").Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Printf("Dimension after reduction: %d\n", dim2)
+	// >>> Dimension after reduction: 100
+	// STEP_END
+
+	// Output:
+	// true
+	// Dimension without reduction: 300
+	// true
+	// Dimension after reduction: 100
+}