feat: add firstTimestamp field to the keyInfo struct.

client_test.go

@@ -275,13 +275,34 @@ func TestClientInfo(t *testing.T) {
 	res, err := client.Info(key)
 	assert.Nil(t, err)
 	expected := KeyInfo{ChunkCount: 1,
-		ChunkSize: 4096, LastTimestamp: 0, RetentionTime: 3600000,
+		ChunkSize: 4096, FirstTimestamp: 0, LastTimestamp: 0, RetentionTime: 3600000,
 		Rules:  []Rule{{DestKey: destKey, BucketSizeSec: 100, AggType: AvgAggregation}},
 		Labels: map[string]string{},
 	}
 	assert.Equal(t, expected, res)
 }
 
+func TestClientInfoRange(t *testing.T) {
+	err := client.FlushAll()
+	assert.Nil(t, err)
+	key := "test_INFORANGE"
+	now := time.Now().Unix()
+	PI := 3.14159265359
+	err = client.CreateKey(key, defaultDuration)
+	assert.Nil(t, err)
+	var i, n int64
+	n = 10
+
+	for i = 0; i <= n; i++ {
+		_, err = client.Add(key, now+i, PI)
+		assert.Nil(t, err)
+	}
+
+	info, _ := client.Info(key)
+	assert.Equal(t, now, info.FirstTimestamp)
+	assert.Equal(t, now+n, info.LastTimestamp)
+}
+
 func TestDeleteRule(t *testing.T) {
 	err := client.FlushAll()
 	assert.Nil(t, err)
@@ -313,6 +334,7 @@ func TestAdd(t *testing.T) {
 	assert.Nil(t, err)
 	assert.Equal(t, now, storedTimestamp)
 	info, _ := client.Info(key)
+	assert.Equal(t, now, info.FirstTimestamp)
 	assert.Equal(t, now, info.LastTimestamp)
 
 	// Test with auto timestamp
@@ -382,6 +404,7 @@ func TestAddWithRetention(t *testing.T) {
 	_, err = client.AddWithRetention(key, now, PI, 1000000)
 	assert.Nil(t, err)
 	info, _ := client.Info(key)
+	assert.Equal(t, now, info.FirstTimestamp)
 	assert.Equal(t, now, info.LastTimestamp)
 }
 

common.go

@@ -106,6 +106,7 @@ type KeyInfo struct {
 	ChunkCount         int64
 	MaxSamplesPerChunk int64 // As of RedisTimeseries >= v1.4 MaxSamplesPerChunk is deprecated in favor of ChunkSize
 	ChunkSize          int64
+	FirstTimestamp     int64
 	LastTimestamp      int64
 	RetentionTime      int64
 	Rules              []Rule

example_client_test.go

@@ -2,13 +2,14 @@ package redis_timeseries_go_test
 
 import (
 	"fmt"
-	redistimeseries "github.com/RedisTimeSeries/redistimeseries-go"
 	"github.com/gomodule/redigo/redis"
+	redistimeseries "github.com/temphiza/redistimeseries-go"
 	"log"
 	"time"
 )
 
 // exemplifies the NewClientFromPool function
+//
 //nolint:errcheck
 func ExampleNewClientFromPool() {
 	host := "localhost:6379"
@@ -767,8 +768,9 @@ func ExampleClient_MultiReverseRangeWithOptions_selectedLabels() {
 	// Ranges: [{selected-labels-ex-time-serie-1 map[az:us-east-1 location:SF] [{4 2} {2 1}]} {selected-labels-ex-time-serie-2 map[az:us-east-1 location:NY] [{4 15} {1 10}]}]
 }
 
-//nolint:errcheck
 // Exemplifies the usage of MultiGetWithOptions function while using the default MultiGetOptions and while using user defined MultiGetOptions.
+//
+//nolint:errcheck
 func ExampleClient_MultiGetWithOptions() {
 	host := "localhost:6379"
 	password := ""
@@ -859,6 +861,7 @@ func ExampleClient_MultiAdd() {
 }
 
 // exemplifies the usage of DeleteSerie function
+//
 //nolint:errcheck
 func ExampleClient_DeleteSerie() {
 	host := "localhost:6379"
@@ -882,6 +885,7 @@ func ExampleClient_DeleteSerie() {
 }
 
 // exemplifies the usage of DeleteRange function
+//
 //nolint:errcheck
 func ExampleClient_DeleteRange() {
 	host := "localhost:6379"

go.mod

@@ -1,9 +1,15 @@
-module github.com/RedisTimeSeries/redistimeseries-go
+module github.com/temphiza/redistimeseries-go
 
-go 1.12
+go 1.20
 
 require (
-	github.com/gomodule/redigo v1.8.2
-	github.com/google/go-cmp v0.5.1
-	github.com/stretchr/testify v1.6.1
+	github.com/gomodule/redigo v1.8.9
+	github.com/google/go-cmp v0.5.9
+	github.com/stretchr/testify v1.8.4
+)
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -1,19 +1,18 @@
-github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/gomodule/redigo v1.8.2 h1:H5XSIre1MB5NbPYFp+i1NBbb5qN1W8Y8YAQoAYbkm8k=
-github.com/gomodule/redigo v1.8.2/go.mod h1:P9dn9mFrCBvWhGE1wpxx6fgq7BAeLBk+UUUzlpkBYO0=
-github.com/google/go-cmp v0.5.1 h1:JFrFEBb2xKufg6XkJsJr+WbKb4FQlURi5RUcBveYu9k=
-github.com/google/go-cmp v0.5.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/gomodule/redigo v1.8.9 h1:Sl3u+2BI/kk+VEatbj0scLdrFhjPmbxOc1myhDP41ws=
+github.com/gomodule/redigo v1.8.9/go.mod h1:7ArFNvsTjH8GMMzB4uy1snslv2BwmginuMs06a1uzZE=
+github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
+github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
-github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
-github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

reply_parser.go

@@ -86,6 +86,8 @@ func ParseInfo(result interface{}, err error) (info KeyInfo, outErr error) {
 			info.ChunkSize = 16 * v
 		case "chunkSize":
 			info.ChunkSize, outErr = redis.Int64(values[i+1], nil)
+		case "firstTimestamp":
+			info.FirstTimestamp, outErr = redis.Int64(values[i+1], nil)
 		case "lastTimestamp":
 			info.LastTimestamp, outErr = redis.Int64(values[i+1], nil)
 		case "labels":