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db: added drop table endpoint (#271)

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* db: added drop table endpoint

* F

* Update db.proto

Co-authored-by: Asim Aslam <asim@aslam.me>
This commit is contained in:
Janos Dobronszki
2021-11-16 13:34:56 +00:00
committed by GitHub
parent 93e92b808c
commit cc7d1911d5
5 changed files with 241 additions and 80 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
db/examples.json
View File

@@ -73,6 +73,16 @@
"response": {}
}
],
"dropTable": [
{
"title": "Drop table",
"run_check": false,
"request": {
"table": "users"
},
"response": {}
}
],
"count": [
{
"title": "Count entries in a table",
@@ -89,8 +99,7 @@
{
"title": "List tables",
"run_check": false,
"request": {
},
"request": {},
"response": {
"tables": ["users", "events"]
}
@@ -104,8 +113,7 @@
"from": "events",
"to": "events_backup"
},
"response": {
}
"response": {}
}
]
}

15
db/handler/db.go
View File

@@ -23,6 +23,7 @@ import (
const idKey = "id"
const stmt = "create table if not exists %v(id text not null, data jsonb, primary key(id)); alter table %v add created_at timestamptz; alter table %v add updated_at timestamptz"
const truncateStmt = `truncate table "%v"`
const dropTableStmt = `drop table "%v"`
const renameTableStmt = `ALTER TABLE "%v" RENAME TO "%v"`
var re = regexp.MustCompile("^[a-zA-Z0-9_]*$")
@@ -330,6 +331,20 @@ func (e *Db) Truncate(ctx context.Context, req *db.TruncateRequest, rsp *db.Trun
return db.Exec(fmt.Sprintf(truncateStmt, tableName)).Error
}
func (e *Db) DropTable(ctx context.Context, req *db.DropTableRequest, rsp *db.DropTableResponse) error {
tableName, err := e.tableName(ctx, req.Table)
if err != nil {
return err
}
logger.Infof("Dropping table '%v'", tableName)
db, err := e.GetDBConn(ctx)
if err != nil {
return err
}
return db.Exec(fmt.Sprintf(dropTableStmt, tableName)).Error
}
func (e *Db) Count(ctx context.Context, req *db.CountRequest, rsp *db.CountResponse) error {
if req.Table == "" {
req.Table = "default"

260
db/proto/db.pb.go
View File

@@ -489,7 +489,6 @@ type TruncateRequest struct {
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// Optional table name. Defaults to 'default'
Table string `protobuf:"bytes,1,opt,name=table,proto3" json:"table,omitempty"`
}
@@ -536,9 +535,6 @@ type TruncateResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// The table truncated
Table string `protobuf:"bytes,1,opt,name=table,proto3" json:"table,omitempty"`
}
func (x *TruncateResponse) Reset() {
@@ -573,13 +569,6 @@ func (*TruncateResponse) Descriptor() ([]byte, []int) {
return file_proto_db_proto_rawDescGZIP(), []int{9}
}
func (x *TruncateResponse) GetTable() string {
if x != nil {
return x.Table
}
return ""
}
// Count records in a table
type CountRequest struct {
state protoimpl.MessageState
@@ -677,13 +666,16 @@ func (x *CountResponse) GetCount() int32 {
return 0
}
// Rename a table
type RenameTableRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// current table name
From string `protobuf:"bytes,1,opt,name=from,proto3" json:"from,omitempty"`
To string `protobuf:"bytes,2,opt,name=to,proto3" json:"to,omitempty"`
// new table name
To string `protobuf:"bytes,2,opt,name=to,proto3" json:"to,omitempty"`
}
func (x *RenameTableRequest) Reset() {
@@ -770,6 +762,7 @@ func (*RenameTableResponse) Descriptor() ([]byte, []int) {
return file_proto_db_proto_rawDescGZIP(), []int{13}
}
// List tables in the DB
type ListTablesRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@@ -813,6 +806,7 @@ type ListTablesResponse struct {
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// list of tables
Tables []string `protobuf:"bytes,1,rep,name=tables,proto3" json:"tables,omitempty"`
}
@@ -855,6 +849,91 @@ func (x *ListTablesResponse) GetTables() []string {
return nil
}
type DropTableRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Table string `protobuf:"bytes,1,opt,name=table,proto3" json:"table,omitempty"`
}
func (x *DropTableRequest) Reset() {
*x = DropTableRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_proto_db_proto_msgTypes[16]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *DropTableRequest) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*DropTableRequest) ProtoMessage() {}
func (x *DropTableRequest) ProtoReflect() protoreflect.Message {
mi := &file_proto_db_proto_msgTypes[16]
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 DropTableRequest.ProtoReflect.Descriptor instead.
func (*DropTableRequest) Descriptor() ([]byte, []int) {
return file_proto_db_proto_rawDescGZIP(), []int{16}
}
func (x *DropTableRequest) GetTable() string {
if x != nil {
return x.Table
}
return ""
}
type DropTableResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
}
func (x *DropTableResponse) Reset() {
*x = DropTableResponse{}
if protoimpl.UnsafeEnabled {
mi := &file_proto_db_proto_msgTypes[17]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *DropTableResponse) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*DropTableResponse) ProtoMessage() {}
func (x *DropTableResponse) ProtoReflect() protoreflect.Message {
mi := &file_proto_db_proto_msgTypes[17]
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 DropTableResponse.ProtoReflect.Descriptor instead.
func (*DropTableResponse) Descriptor() ([]byte, []int) {
return file_proto_db_proto_rawDescGZIP(), []int{17}
}
var File_proto_db_proto protoreflect.FileDescriptor
var file_proto_db_proto_rawDesc = []byte{
@@ -898,52 +977,59 @@ var file_proto_db_proto_rawDesc = []byte{
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}
var (
@@ -958,7 +1044,7 @@ func file_proto_db_proto_rawDescGZIP() []byte {
return file_proto_db_proto_rawDescData
}
var file_proto_db_proto_msgTypes = make([]protoimpl.MessageInfo, 16)
var file_proto_db_proto_msgTypes = make([]protoimpl.MessageInfo, 18)
var file_proto_db_proto_goTypes = []interface{}{
(*ReadRequest)(nil), // 0: db.ReadRequest
(*ReadResponse)(nil), // 1: db.ReadResponse
@@ -976,12 +1062,14 @@ var file_proto_db_proto_goTypes = []interface{}{
(*RenameTableResponse)(nil), // 13: db.RenameTableResponse
(*ListTablesRequest)(nil), // 14: db.ListTablesRequest
(*ListTablesResponse)(nil), // 15: db.ListTablesResponse
(*_struct.Struct)(nil), // 16: google.protobuf.Struct
(*DropTableRequest)(nil), // 16: db.DropTableRequest
(*DropTableResponse)(nil), // 17: db.DropTableResponse
(*_struct.Struct)(nil), // 18: google.protobuf.Struct
}
var file_proto_db_proto_depIdxs = []int32{
16, // 0: db.ReadResponse.records:type_name -> google.protobuf.Struct
16, // 1: db.CreateRequest.record:type_name -> google.protobuf.Struct
16, // 2: db.UpdateRequest.record:type_name -> google.protobuf.Struct
18, // 0: db.ReadResponse.records:type_name -> google.protobuf.Struct
18, // 1: db.CreateRequest.record:type_name -> google.protobuf.Struct
18, // 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
@@ -990,16 +1078,18 @@ var file_proto_db_proto_depIdxs = []int32{
10, // 8: db.Db.Count:input_type -> db.CountRequest
12, // 9: db.Db.RenameTable:input_type -> db.RenameTableRequest
14, // 10: db.Db.ListTables:input_type -> db.ListTablesRequest
3, // 11: db.Db.Create:output_type -> db.CreateResponse
1, // 12: db.Db.Read:output_type -> db.ReadResponse
5, // 13: db.Db.Update:output_type -> db.UpdateResponse
7, // 14: db.Db.Delete:output_type -> db.DeleteResponse
9, // 15: db.Db.Truncate:output_type -> db.TruncateResponse
11, // 16: db.Db.Count:output_type -> db.CountResponse
13, // 17: db.Db.RenameTable:output_type -> db.RenameTableResponse
15, // 18: db.Db.ListTables:output_type -> db.ListTablesResponse
11, // [11:19] is the sub-list for method output_type
3, // [3:11] is the sub-list for method input_type
16, // 11: db.Db.DropTable:input_type -> db.DropTableRequest
3, // 12: db.Db.Create:output_type -> db.CreateResponse
1, // 13: db.Db.Read:output_type -> db.ReadResponse
5, // 14: db.Db.Update:output_type -> db.UpdateResponse
7, // 15: db.Db.Delete:output_type -> db.DeleteResponse
9, // 16: db.Db.Truncate:output_type -> db.TruncateResponse
11, // 17: db.Db.Count:output_type -> db.CountResponse
13, // 18: db.Db.RenameTable:output_type -> db.RenameTableResponse
15, // 19: db.Db.ListTables:output_type -> db.ListTablesResponse
17, // 20: db.Db.DropTable:output_type -> db.DropTableResponse
12, // [12:21] is the sub-list for method output_type
3, // [3:12] 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
@@ -1203,6 +1293,30 @@ func file_proto_db_proto_init() {
return nil
}
}
file_proto_db_proto_msgTypes[16].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*DropTableRequest); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_proto_db_proto_msgTypes[17].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*DropTableResponse); 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{
@@ -1210,7 +1324,7 @@ func file_proto_db_proto_init() {
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_proto_db_proto_rawDesc,
NumEnums: 0,
NumMessages: 16,
NumMessages: 18,
NumExtensions: 0,
NumServices: 1,
},

17
db/proto/db.pb.micro.go
View File

@@ -51,6 +51,7 @@ type DbService interface {
Count(ctx context.Context, in *CountRequest, opts ...client.CallOption) (*CountResponse, error)
RenameTable(ctx context.Context, in *RenameTableRequest, opts ...client.CallOption) (*RenameTableResponse, error)
ListTables(ctx context.Context, in *ListTablesRequest, opts ...client.CallOption) (*ListTablesResponse, error)
DropTable(ctx context.Context, in *DropTableRequest, opts ...client.CallOption) (*DropTableResponse, error)
}
type dbService struct {
@@ -145,6 +146,16 @@ func (c *dbService) ListTables(ctx context.Context, in *ListTablesRequest, opts
return out, nil
}
func (c *dbService) DropTable(ctx context.Context, in *DropTableRequest, opts ...client.CallOption) (*DropTableResponse, error) {
req := c.c.NewRequest(c.name, "Db.DropTable", in)
out := new(DropTableResponse)
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 {
@@ -156,6 +167,7 @@ type DbHandler interface {
Count(context.Context, *CountRequest, *CountResponse) error
RenameTable(context.Context, *RenameTableRequest, *RenameTableResponse) error
ListTables(context.Context, *ListTablesRequest, *ListTablesResponse) error
DropTable(context.Context, *DropTableRequest, *DropTableResponse) error
}
func RegisterDbHandler(s server.Server, hdlr DbHandler, opts ...server.HandlerOption) error {
@@ -168,6 +180,7 @@ func RegisterDbHandler(s server.Server, hdlr DbHandler, opts ...server.HandlerOp
Count(ctx context.Context, in *CountRequest, out *CountResponse) error
RenameTable(ctx context.Context, in *RenameTableRequest, out *RenameTableResponse) error
ListTables(ctx context.Context, in *ListTablesRequest, out *ListTablesResponse) error
DropTable(ctx context.Context, in *DropTableRequest, out *DropTableResponse) error
}
type Db struct {
db
@@ -211,3 +224,7 @@ func (h *dbHandler) RenameTable(ctx context.Context, in *RenameTableRequest, out
func (h *dbHandler) ListTables(ctx context.Context, in *ListTablesRequest, out *ListTablesResponse) error {
return h.DbHandler.ListTables(ctx, in, out)
}
func (h *dbHandler) DropTable(ctx context.Context, in *DropTableRequest, out *DropTableResponse) error {
return h.DbHandler.DropTable(ctx, in, out)
}

13
db/proto/db.proto
View File

@@ -14,6 +14,7 @@ service Db {
rpc Count(CountRequest) returns (CountResponse) {}
rpc RenameTable(RenameTableRequest) returns (RenameTableResponse) {}
rpc ListTables(ListTablesRequest) returns (ListTablesResponse) {}
rpc DropTable(DropTableRequest) returns (DropTableResponse) {}
}
@@ -83,13 +84,10 @@ message DeleteResponse {
// Truncate the records in a table
message TruncateRequest {
// Optional table name. Defaults to 'default'
string table = 1;
}
message TruncateResponse {
// The table truncated
string table = 1;
}
// Count records in a table
@@ -124,3 +122,12 @@ message ListTablesResponse {
// list of tables
repeated string tables = 1;
}
// Drop a table in the DB
message DropTableRequest {
string table = 1;
}
message DropTableResponse {
}