F

clients/go/db/db.go

@@ -16,6 +16,12 @@ type DbService struct {
 	client *client.Client
 }
 
+// Count records in a table
+func (t *DbService) Count(request *CountRequest) (*CountResponse, error) {
+	rsp := &CountResponse{}
+	return rsp, t.client.Call("db", "Count", request, rsp)
+}
+
 // Create a record in the database. Optionally include an "id" field otherwise it's set automatically.
 func (t *DbService) Create(request *CreateRequest) (*CreateResponse, error) {
 	rsp := &CreateResponse{}
@@ -46,6 +52,14 @@ func (t *DbService) Update(request *UpdateRequest) (*UpdateResponse, error) {
 	return rsp, t.client.Call("db", "Update", request, rsp)
 }
 
+type CountRequest struct {
+	Table string `json:"table"`
+}
+
+type CountResponse struct {
+	Count int32 `json:"count"`
+}
+
 type CreateRequest struct {
 	// JSON encoded record or records (can be array or object)
 	Record map[string]interface{} `json:"record"`

clients/ts/db/index.ts

@@ -6,6 +6,10 @@ export class DbService {
   constructor(token: string) {
     this.client = new m3o.Client({ token: token });
   }
+  // Count records in a table
+  count(request: CountRequest): Promise<CountResponse> {
+    return this.client.call("db", "Count", request) as Promise<CountResponse>;
+  }
   // Create a record in the database. Optionally include an "id" field otherwise it's set automatically.
   create(request: CreateRequest): Promise<CreateResponse> {
     return this.client.call("db", "Create", request) as Promise<CreateResponse>;
@@ -32,6 +36,14 @@ export class DbService {
   }
 }
 
+export interface CountRequest {
+  table?: string;
+}
+
+export interface CountResponse {
+  count?: number;
+}
+
 export interface CreateRequest {
   // JSON encoded record or records (can be array or object)
   record?: { [key: string]: any };

db/examples.json

@@ -1,66 +1,87 @@
 {
-    "create": [{
-        "title": "Create a record",
-        "run_check": true,
-        "request": {
-            "table": "users",
-            "record": {
-                "id": "1",
-                "name": "Jane",
-                "age": 42,
-                "isActive":true
-            }
-        },
-        "response": {
-            "id": "1"
+  "create": [
+    {
+      "title": "Create a record",
+      "run_check": true,
+      "request": {
+        "table": "users",
+        "record": {
+          "id": "1",
+          "name": "Jane",
+          "age": 42,
+          "isActive": true
         }
-    }],
-    "update": [{
-        "title": "Update a record",
-        "run_check": true,
-        "request": {
-            "table": "users",
-            "record": {
-                "id": "1",
-                "age": 43
-            }
-        },
-        "response": {
+      },
+      "response": {
+        "id": "1"
+      }
+    }
+  ],
+  "update": [
+    {
+      "title": "Update a record",
+      "run_check": true,
+      "request": {
+        "table": "users",
+        "record": {
+          "id": "1",
+          "age": 43
         }
-    }],
-    "read": [{
-        "title": "Read records",
-        "run_check": true,
-        "request": {
-            "table": "users",
-            "query": "age == 43"
-        },
-        "response": {
-            "records": [{
-                "id": "1",
-                "name": "Jane",
-                "age": 43,
-                "isActive":true
-            }]
-        }
-    }],
-    "delete": [{
-        "title": "Delete a record",
-        "run_check": true,
-        "request": {
-            "table": "users",
-            "id": "1"
-        },
-        "response": {}
-    }],
-    "truncate": [{
-        "title": "Truncate table",
-        "run_check": false,
-        "request": {
-            "table": "users"
-        },
-        "response": {
-            
-        }
-    }]
+      },
+      "response": {}
+    }
+  ],
+  "read": [
+    {
+      "title": "Read records",
+      "run_check": true,
+      "request": {
+        "table": "users",
+        "query": "age == 43"
+      },
+      "response": {
+        "records": [
+          {
+            "id": "1",
+            "name": "Jane",
+            "age": 43,
+            "isActive": true
+          }
+        ]
+      }
+    }
+  ],
+  "delete": [
+    {
+      "title": "Delete a record",
+      "run_check": true,
+      "request": {
+        "table": "users",
+        "id": "1"
+      },
+      "response": {}
+    }
+  ],
+  "truncate": [
+    {
+      "title": "Truncate table",
+      "run_check": false,
+      "request": {
+        "table": "users"
+      },
+      "response": {}
+    }
+  ],
+  "count": [
+    {
+      "title": "Count entries in a table",
+      "run_check": false,
+      "request": {
+        "table": "users"
+      },
+      "response": {
+        "count": 31
+      }
+    }
+  ]
 }

db/handler/db.go

@@ -121,7 +121,7 @@ func (e *Db) Update(ctx context.Context, req *db.UpdateRequest, rsp *db.UpdateRe
 	tenantId = strings.Replace(strings.Replace(tenantId, "/", "_", -1), "-", "_", -1)
 	tableName := tenantId + "_" + req.Table
 	if !re.Match([]byte(tableName)) {
-		return errors.BadRequest("db.create", fmt.Sprintf("table name %v is invalid", req.Table))
+		return errors.BadRequest("db.update", fmt.Sprintf("table name %v is invalid", req.Table))
 	}
 	logger.Infof("Updating table '%v'", tableName)
 
@@ -306,7 +306,7 @@ func (e *Db) Delete(ctx context.Context, req *db.DeleteRequest, rsp *db.DeleteRe
 	tenantId = strings.Replace(strings.Replace(tenantId, "/", "_", -1), "-", "_", -1)
 	tableName := tenantId + "_" + req.Table
 	if !re.Match([]byte(tableName)) {
-		return errors.BadRequest("db.create", fmt.Sprintf("table name %v is invalid", req.Table))
+		return errors.BadRequest("db.delete", fmt.Sprintf("table name %v is invalid", req.Table))
 	}
 	logger.Infof("Deleting from table '%v'", tableName)
 
@@ -331,7 +331,7 @@ func (e *Db) Truncate(ctx context.Context, req *db.TruncateRequest, rsp *db.Trun
 	tenantId = strings.Replace(strings.Replace(tenantId, "/", "_", -1), "-", "_", -1)
 	tableName := tenantId + "_" + req.Table
 	if !re.Match([]byte(tableName)) {
-		return errors.BadRequest("db.create", fmt.Sprintf("table name %v is invalid", req.Table))
+		return errors.BadRequest("db.truncate", fmt.Sprintf("table name %v is invalid", req.Table))
 	}
 	logger.Infof("Truncating table '%v'", tableName)
 
@@ -341,3 +341,31 @@ func (e *Db) Truncate(ctx context.Context, req *db.TruncateRequest, rsp *db.Trun
 	}
 	return db.Exec(fmt.Sprintf(truncateStmt, tableName)).Error
 }
+
+func (e *Db) Count(ctx context.Context, req *db.CountRequest, rsp *db.CountResponse) error {
+	tenantId, ok := tenant.FromContext(ctx)
+	if !ok {
+		tenantId = "micro"
+	}
+	if req.Table == "" {
+		req.Table = "default"
+	}
+	tenantId = strings.Replace(strings.Replace(tenantId, "/", "_", -1), "-", "_", -1)
+	tableName := tenantId + "_" + req.Table
+	if !re.Match([]byte(tableName)) {
+		return errors.BadRequest("db.count", fmt.Sprintf("table name %v is invalid", req.Table))
+	}
+
+	db, err := e.GetDBConn(ctx)
+	if err != nil {
+		return err
+	}
+
+	var a int64
+	err = db.Table(tableName).Model(Record{}).Count(&a).Error
+	if err != nil {
+		return err
+	}
+	rsp.Count = int32(a)
+	return nil
+}

db/proto/db.pb.go

@@ -1,15 +1,15 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.26.0
-// 	protoc        v3.15.6
+// 	protoc        v3.6.1
 // source: proto/db.proto
 
 package db
 
 import (
+	_struct "github.com/golang/protobuf/ptypes/struct"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
-	structpb "google.golang.org/protobuf/types/known/structpb"
 	reflect "reflect"
 	sync "sync"
 )
@@ -27,7 +27,7 @@ type ReadRequest struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	// Table name is optional
+	// Optional table name. Defaults to 'default'
 	Table string `protobuf:"bytes,1,opt,name=table,proto3" json:"table,omitempty"`
 	// Read by id. Equivalent to 'id == "your-id"'
 	Id string `protobuf:"bytes,2,opt,name=id,proto3" json:"id,omitempty"`
@@ -38,7 +38,7 @@ type ReadRequest struct {
 	// Accessing list elements is not supported yet.
 	Query  string `protobuf:"bytes,3,opt,name=query,proto3" json:"query,omitempty"`
 	Offset int32  `protobuf:"varint,4,opt,name=offset,proto3" json:"offset,omitempty"`
-	// Default limit is 25.
+	// Maximum number of records to return. Default limit is 25.
 	// Maximum limit is 1000. Anything higher will return an error.
 	Limit int32 `protobuf:"varint,5,opt,name=limit,proto3" json:"limit,omitempty"`
 	// field name to order by
@@ -134,7 +134,7 @@ type ReadResponse struct {
 	unknownFields protoimpl.UnknownFields
 
 	// JSON encoded records
-	Records []*structpb.Struct `protobuf:"bytes,1,rep,name=records,proto3" json:"records,omitempty"`
+	Records []*_struct.Struct `protobuf:"bytes,1,rep,name=records,proto3" json:"records,omitempty"`
 }
 
 func (x *ReadResponse) Reset() {
@@ -169,23 +169,23 @@ func (*ReadResponse) Descriptor() ([]byte, []int) {
 	return file_proto_db_proto_rawDescGZIP(), []int{1}
 }
 
-func (x *ReadResponse) GetRecords() []*structpb.Struct {
+func (x *ReadResponse) GetRecords() []*_struct.Struct {
 	if x != nil {
 		return x.Records
 	}
 	return nil
 }
 
-// Create a record in the database. Optionally include an "id" field otherwise its set automatically.
+// Create a record in the database. Optionally include an "id" field otherwise it's set automatically.
 type CreateRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	// Table name is optional
+	// Optional table name. Defaults to 'default'
 	Table string `protobuf:"bytes,1,opt,name=table,proto3" json:"table,omitempty"`
 	// JSON encoded record or records (can be array or object)
-	Record *structpb.Struct `protobuf:"bytes,2,opt,name=record,proto3" json:"record,omitempty"`
+	Record *_struct.Struct `protobuf:"bytes,2,opt,name=record,proto3" json:"record,omitempty"`
 }
 
 func (x *CreateRequest) Reset() {
@@ -227,7 +227,7 @@ func (x *CreateRequest) GetTable() string {
 	return ""
 }
 
-func (x *CreateRequest) GetRecord() *structpb.Struct {
+func (x *CreateRequest) GetRecord() *_struct.Struct {
 	if x != nil {
 		return x.Record
 	}
@@ -288,12 +288,12 @@ type UpdateRequest struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	// Table name is optional
+	// Optional table name. Defaults to 'default'
 	Table string `protobuf:"bytes,1,opt,name=table,proto3" json:"table,omitempty"`
-	// The id of the record
+	// The id of the record. If not specified it is inferred from the 'id' field of the record
 	Id string `protobuf:"bytes,2,opt,name=id,proto3" json:"id,omitempty"`
 	// record, JSON object
-	Record *structpb.Struct `protobuf:"bytes,3,opt,name=record,proto3" json:"record,omitempty"`
+	Record *_struct.Struct `protobuf:"bytes,3,opt,name=record,proto3" json:"record,omitempty"`
 }
 
 func (x *UpdateRequest) Reset() {
@@ -342,7 +342,7 @@ func (x *UpdateRequest) GetId() string {
 	return ""
 }
 
-func (x *UpdateRequest) GetRecord() *structpb.Struct {
+func (x *UpdateRequest) GetRecord() *_struct.Struct {
 	if x != nil {
 		return x.Record
 	}
@@ -393,9 +393,9 @@ type DeleteRequest struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	// Table name is optional
+	// Optional table name. Defaults to 'default'
 	Table string `protobuf:"bytes,1,opt,name=table,proto3" json:"table,omitempty"`
-	// id or ids, eg. 'user-1', or comma separated ids 'user-1,user-2'
+	// id of the record
 	Id string `protobuf:"bytes,2,opt,name=id,proto3" json:"id,omitempty"`
 }
 
@@ -489,7 +489,7 @@ type TruncateRequest struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	// Table name is optional
+	// Optional table name. Defaults to 'default'
 	Table string `protobuf:"bytes,1,opt,name=table,proto3" json:"table,omitempty"`
 }
 
@@ -580,6 +580,100 @@ func (x *TruncateResponse) GetTable() string {
 	return ""
 }
 
+type CountRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Table string `protobuf:"bytes,1,opt,name=table,proto3" json:"table,omitempty"`
+}
+
+func (x *CountRequest) Reset() {
+	*x = CountRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_db_proto_msgTypes[10]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CountRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CountRequest) ProtoMessage() {}
+
+func (x *CountRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_db_proto_msgTypes[10]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CountRequest.ProtoReflect.Descriptor instead.
+func (*CountRequest) Descriptor() ([]byte, []int) {
+	return file_proto_db_proto_rawDescGZIP(), []int{10}
+}
+
+func (x *CountRequest) GetTable() string {
+	if x != nil {
+		return x.Table
+	}
+	return ""
+}
+
+type CountResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Count int32 `protobuf:"varint,1,opt,name=count,proto3" json:"count,omitempty"`
+}
+
+func (x *CountResponse) Reset() {
+	*x = CountResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_db_proto_msgTypes[11]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CountResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CountResponse) ProtoMessage() {}
+
+func (x *CountResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_db_proto_msgTypes[11]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CountResponse.ProtoReflect.Descriptor instead.
+func (*CountResponse) Descriptor() ([]byte, []int) {
+	return file_proto_db_proto_rawDescGZIP(), []int{11}
+}
+
+func (x *CountResponse) GetCount() int32 {
+	if x != nil {
+		return x.Count
+	}
+	return 0
+}
+
 var File_proto_db_proto protoreflect.FileDescriptor
 
 var file_proto_db_proto_rawDesc = []byte{
@@ -625,25 +719,33 @@ var file_proto_db_proto_rawDesc = []byte{
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+	0x64, 0x62, 0x2e, 0x55, 0x70, 0x64, 0x61, 0x74, 0x65, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74,
+	0x1a, 0x12, 0x2e, 0x64, 0x62, 0x2e, 0x55, 0x70, 0x64, 0x61, 0x74, 0x65, 0x52, 0x65, 0x73, 0x70,
+	0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x12, 0x31, 0x0a, 0x06, 0x44, 0x65, 0x6c, 0x65, 0x74, 0x65,
+	0x12, 0x11, 0x2e, 0x64, 0x62, 0x2e, 0x44, 0x65, 0x6c, 0x65, 0x74, 0x65, 0x52, 0x65, 0x71, 0x75,
+	0x65, 0x73, 0x74, 0x1a, 0x12, 0x2e, 0x64, 0x62, 0x2e, 0x44, 0x65, 0x6c, 0x65, 0x74, 0x65, 0x52,
+	0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x12, 0x37, 0x0a, 0x08, 0x54, 0x72, 0x75,
+	0x6e, 0x63, 0x61, 0x74, 0x65, 0x12, 0x13, 0x2e, 0x64, 0x62, 0x2e, 0x54, 0x72, 0x75, 0x6e, 0x63,
+	0x61, 0x74, 0x65, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x14, 0x2e, 0x64, 0x62, 0x2e,
+	0x54, 0x72, 0x75, 0x6e, 0x63, 0x61, 0x74, 0x65, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65,
+	0x22, 0x00, 0x12, 0x2e, 0x0a, 0x05, 0x43, 0x6f, 0x75, 0x6e, 0x74, 0x12, 0x10, 0x2e, 0x64, 0x62,
+	0x2e, 0x43, 0x6f, 0x75, 0x6e, 0x74, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x11, 0x2e,
+	0x64, 0x62, 0x2e, 0x43, 0x6f, 0x75, 0x6e, 0x74, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65,
+	0x22, 0x00, 0x42, 0x0c, 0x5a, 0x0a, 0x2e, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x3b, 0x64, 0x62,
+	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -658,7 +760,7 @@ func file_proto_db_proto_rawDescGZIP() []byte {
 	return file_proto_db_proto_rawDescData
 }
 
-var file_proto_db_proto_msgTypes = make([]protoimpl.MessageInfo, 10)
+var file_proto_db_proto_msgTypes = make([]protoimpl.MessageInfo, 12)
 var file_proto_db_proto_goTypes = []interface{}{
 	(*ReadRequest)(nil),      // 0: db.ReadRequest
 	(*ReadResponse)(nil),     // 1: db.ReadResponse
@@ -670,24 +772,28 @@ var file_proto_db_proto_goTypes = []interface{}{
 	(*DeleteResponse)(nil),   // 7: db.DeleteResponse
 	(*TruncateRequest)(nil),  // 8: db.TruncateRequest
 	(*TruncateResponse)(nil), // 9: db.TruncateResponse
-	(*structpb.Struct)(nil),  // 10: google.protobuf.Struct
+	(*CountRequest)(nil),     // 10: db.CountRequest
+	(*CountResponse)(nil),    // 11: db.CountResponse
+	(*_struct.Struct)(nil),   // 12: google.protobuf.Struct
 }
 var file_proto_db_proto_depIdxs = []int32{
-	10, // 0: db.ReadResponse.records:type_name -> google.protobuf.Struct
-	10, // 1: db.CreateRequest.record:type_name -> google.protobuf.Struct
-	10, // 2: db.UpdateRequest.record:type_name -> google.protobuf.Struct
+	12, // 0: db.ReadResponse.records:type_name -> google.protobuf.Struct
+	12, // 1: db.CreateRequest.record:type_name -> google.protobuf.Struct
+	12, // 2: db.UpdateRequest.record:type_name -> google.protobuf.Struct
 	2,  // 3: db.Db.Create:input_type -> db.CreateRequest
 	0,  // 4: db.Db.Read:input_type -> db.ReadRequest
 	4,  // 5: db.Db.Update:input_type -> db.UpdateRequest
 	6,  // 6: db.Db.Delete:input_type -> db.DeleteRequest
 	8,  // 7: db.Db.Truncate:input_type -> db.TruncateRequest
-	3,  // 8: db.Db.Create:output_type -> db.CreateResponse
-	1,  // 9: db.Db.Read:output_type -> db.ReadResponse
-	5,  // 10: db.Db.Update:output_type -> db.UpdateResponse
-	7,  // 11: db.Db.Delete:output_type -> db.DeleteResponse
-	9,  // 12: db.Db.Truncate:output_type -> db.TruncateResponse
-	8,  // [8:13] is the sub-list for method output_type
-	3,  // [3:8] is the sub-list for method input_type
+	10, // 8: db.Db.Count:input_type -> db.CountRequest
+	3,  // 9: db.Db.Create:output_type -> db.CreateResponse
+	1,  // 10: db.Db.Read:output_type -> db.ReadResponse
+	5,  // 11: db.Db.Update:output_type -> db.UpdateResponse
+	7,  // 12: db.Db.Delete:output_type -> db.DeleteResponse
+	9,  // 13: db.Db.Truncate:output_type -> db.TruncateResponse
+	11, // 14: db.Db.Count:output_type -> db.CountResponse
+	9,  // [9:15] is the sub-list for method output_type
+	3,  // [3:9] is the sub-list for method input_type
 	3,  // [3:3] is the sub-list for extension type_name
 	3,  // [3:3] is the sub-list for extension extendee
 	0,  // [0:3] is the sub-list for field type_name
@@ -819,6 +925,30 @@ func file_proto_db_proto_init() {
 				return nil
 			}
 		}
+		file_proto_db_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CountRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proto_db_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CountResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
@@ -826,7 +956,7 @@ func file_proto_db_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_proto_db_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   10,
+			NumMessages:   12,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

db/proto/db.pb.micro.go

@@ -6,7 +6,7 @@ package db
 import (
 	fmt "fmt"
 	proto "github.com/golang/protobuf/proto"
-	_ "google.golang.org/protobuf/types/known/structpb"
+	_ "github.com/golang/protobuf/ptypes/struct"
 	math "math"
 )
 
@@ -48,6 +48,7 @@ type DbService interface {
 	Update(ctx context.Context, in *UpdateRequest, opts ...client.CallOption) (*UpdateResponse, error)
 	Delete(ctx context.Context, in *DeleteRequest, opts ...client.CallOption) (*DeleteResponse, error)
 	Truncate(ctx context.Context, in *TruncateRequest, opts ...client.CallOption) (*TruncateResponse, error)
+	Count(ctx context.Context, in *CountRequest, opts ...client.CallOption) (*CountResponse, error)
 }
 
 type dbService struct {
@@ -112,6 +113,16 @@ func (c *dbService) Truncate(ctx context.Context, in *TruncateRequest, opts ...c
 	return out, nil
 }
 
+func (c *dbService) Count(ctx context.Context, in *CountRequest, opts ...client.CallOption) (*CountResponse, error) {
+	req := c.c.NewRequest(c.name, "Db.Count", in)
+	out := new(CountResponse)
+	err := c.c.Call(ctx, req, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // Server API for Db service
 
 type DbHandler interface {
@@ -120,6 +131,7 @@ type DbHandler interface {
 	Update(context.Context, *UpdateRequest, *UpdateResponse) error
 	Delete(context.Context, *DeleteRequest, *DeleteResponse) error
 	Truncate(context.Context, *TruncateRequest, *TruncateResponse) error
+	Count(context.Context, *CountRequest, *CountResponse) error
 }
 
 func RegisterDbHandler(s server.Server, hdlr DbHandler, opts ...server.HandlerOption) error {
@@ -129,6 +141,7 @@ func RegisterDbHandler(s server.Server, hdlr DbHandler, opts ...server.HandlerOp
 		Update(ctx context.Context, in *UpdateRequest, out *UpdateResponse) error
 		Delete(ctx context.Context, in *DeleteRequest, out *DeleteResponse) error
 		Truncate(ctx context.Context, in *TruncateRequest, out *TruncateResponse) error
+		Count(ctx context.Context, in *CountRequest, out *CountResponse) error
 	}
 	type Db struct {
 		db
@@ -160,3 +173,7 @@ func (h *dbHandler) Delete(ctx context.Context, in *DeleteRequest, out *DeleteRe
 func (h *dbHandler) Truncate(ctx context.Context, in *TruncateRequest, out *TruncateResponse) error {
 	return h.DbHandler.Truncate(ctx, in, out)
 }
+
+func (h *dbHandler) Count(ctx context.Context, in *CountRequest, out *CountResponse) error {
+	return h.DbHandler.Count(ctx, in, out)
+}

db/proto/db.proto

@@ -11,6 +11,7 @@ service Db {
 	rpc Update(UpdateRequest) returns (UpdateResponse) {}
 	rpc Delete(DeleteRequest) returns (DeleteResponse) {}
 	rpc Truncate(TruncateRequest) returns (TruncateResponse) {}
+	rpc Count(CountRequest) returns (CountResponse) {}
 }
 
 
@@ -88,3 +89,12 @@ message TruncateResponse {
 	// The table truncated
 	string table = 1;
 }
+
+// Count records in a table
+message CountRequest {
+	string table = 1;
+}
+
+message CountResponse {
+	int32 count = 1;
+}

examples/db/count/curl/countEntriesInATable.sh

@@ -0,0 +1,6 @@
+curl "https://api.m3o.com/v1/db/Count" \
+-H "Content-Type: application/json" \
+-H "Authorization: Bearer $MICRO_API_TOKEN" \
+-d '{
+  "table": "users"
+}'

examples/db/count/go/countEntriesInATable.go

@@ -0,0 +1,16 @@
+package example
+
+import (
+	"fmt"
+	"github.com/micro/services/clients/go/db"
+	"os"
+)
+
+// Count records in a table
+func CountEntriesInAtable() {
+	dbService := db.NewDbService(os.Getenv("MICRO_API_TOKEN"))
+	rsp, err := dbService.Count(&db.CountRequest{
+		Table: "users",
+	})
+	fmt.Println(rsp, err)
+}

examples/db/count/node/countEntriesInATable.js

@@ -0,0 +1,12 @@
+import * as db from "m3o/db";
+
+// Count records in a table
+async function CountEntriesInAtable() {
+  let dbService = new db.DbService(process.env.MICRO_API_TOKEN);
+  let rsp = await dbService.count({
+    table: "users",
+  });
+  console.log(rsp);
+}
+
+await CountEntriesInAtable();

examples/stream/publish/go/publishAMessage.go

@@ -11,9 +11,9 @@ func PublishAmessage() {
 	streamService := stream.NewStreamService(os.Getenv("MICRO_API_TOKEN"))
 	rsp, err := streamService.Publish(&stream.PublishRequest{
 		Message: map[string]interface{}{
+			"user": "john",
 			"id":   "1",
 			"type": "signup",
-			"user": "john",
 		},
 		Topic: "events",
 	})