diff --git a/.gitignore b/.gitignore
index cf1eb91..12fb050 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@ main
 *.log
 log
 goproto
+.rocksdb
diff --git a/go.mod b/go.mod
index edac122..9e65921 100644
--- a/go.mod
+++ b/go.mod
@@ -4,6 +4,9 @@ go 1.14
 
 require (
 	github.com/golang/protobuf v1.3.4
+	github.com/tecbot/gorocksdb v0.0.0-20191217155057-f0fad39f321c
+	github.com/tidwall/gjson v1.6.0
+	github.com/tidwall/pretty v1.0.1 // indirect
 	golang.org/x/net v0.0.0-20200301022130-244492dfa37a // indirect
 	golang.org/x/sys v0.0.0-20200302150141-5c8b2ff67527 // indirect
 	golang.org/x/text v0.3.2 // indirect
diff --git a/go.sum b/go.sum
index d667ee6..bda8719 100644
--- a/go.sum
+++ b/go.sum
@@ -16,6 +16,16 @@ github.com/golang/protobuf v1.3.4/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaW
 github.com/google/go-cmp v0.2.0 h1:+dTQ8DZQJz0Mb/HjFlkptS1FeQ4cWSnN941F8aEG4SQ=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
+github.com/tecbot/gorocksdb v0.0.0-20191217155057-f0fad39f321c h1:g+WoO5jjkqGAzHWCjJB1zZfXPIAaDpzXIEJ0eS6B5Ok=
+github.com/tecbot/gorocksdb v0.0.0-20191217155057-f0fad39f321c/go.mod h1:ahpPrc7HpcfEWDQRZEmnXMzHY03mLDYMCxeDzy46i+8=
+github.com/tidwall/gjson v1.6.0 h1:9VEQWz6LLMUsUl6PueE49ir4Ka6CzLymOAZDxpFsTDc=
+github.com/tidwall/gjson v1.6.0/go.mod h1:P256ACg0Mn+j1RXIDXoss50DeIABTYK1PULOJHhxOls=
+github.com/tidwall/match v1.0.1 h1:PnKP62LPNxHKTwvHHZZzdOAOCtsJTjo6dZLCwpKm5xc=
+github.com/tidwall/match v1.0.1/go.mod h1:LujAq0jyVjBy028G1WhWfIzbpQfMO8bBZ6Tyb0+pL9E=
+github.com/tidwall/pretty v1.0.0 h1:HsD+QiTn7sK6flMKIvNmpqz1qrpP3Ps6jOKIKMooyg4=
+github.com/tidwall/pretty v1.0.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk=
+github.com/tidwall/pretty v1.0.1 h1:WE4RBSZ1x6McVVC8S/Md+Qse8YUv6HRObAx6ke00NY8=
+github.com/tidwall/pretty v1.0.1/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
diff --git a/rocksdb.go b/rocksdb.go
index 55503aa..8c5f925 100644
--- a/rocksdb.go
+++ b/rocksdb.go
@@ -4,7 +4,6 @@ import (
 	"fmt"
 	"log"
 	"os"
-	"sync/atomic"
 	"time"
 
 	"github.com/tecbot/gorocksdb"
@@ -78,8 +77,8 @@ type Table struct {
 
 func CreateTable(name string, field []*Field) {
 	if _, ok := EDB.TableDict[name]; !ok {
-		ntid := atomic.AddUint32(&EDB.Metadata.tidCount, 1)
-		table := &Table{Name: name, ID: ntid, Type: 1}
+		// ntid := atomic.AddUint32(&EDB.Metadata.tidCount, 1)
+		// table := &Table{Name: name, ID: ntid, Type: 1}
 	} else {
 		log.Println("table name is exists")
 	}
diff --git a/table_struct_test.go b/table_struct_test.go
new file mode 100644
index 0000000..99bbd0b
--- /dev/null
+++ b/table_struct_test.go
@@ -0,0 +1,17 @@
+package main
+
+import (
+	"testing"
+
+	"github.com/tidwall/gjson"
+)
+
+func TestGjson(t *testing.T) {
+	// "{"name": {""}}"
+	content := `{"name":{"first":"int ","last":"Prichard"},"age": (47)}`
+	r := gjson.Parse(content)
+	r.ForEach(func(k, v gjson.Result) bool {
+		t.Error(k, v.Raw)
+		return true
+	})
+}