syntax = "proto3";

package db;

option go_package = "github.com/micro/services/proto;db";

service Db {
	rpc Create(CreateRequest) returns (CreateResponse) {}
	rpc Read(ReadRequest) returns (ReadResponse) {}
	rpc Update(UpdateRequest) returns (UpdateResponse) {}
	rpc Delete(DeleteRequest) returns (DeleteResponse) {}
}


message ReadRequest {
	string table = 1;
	// eg. 'age >= 18', 'age >= 18 and verified == true'
	// comparison operators: '==', '!=', '<', '>', '<=', '>='
	// logical operator: 'and'
	string query = 2;
	int32 offset = 3;
	int32 limit = 4;
	// field name to order by
	string orderBy = 5;
	// 'asc' (default), 'desc'
	string order = 6;
}

message ReadResponse {
	// JSON encoded records
	string records = 1;
}

message CreateRequest {
	string table = 1;
	// JSON encoded record or records (can be array or object)
	string record = 2;
}

message CreateResponse {

}

message UpdateRequest {
	string table = 1;
	// JSON encoded record or records (can be array or object)
	string record = 2;
}

message UpdateResponse {
	
}

message DeleteRequest {
	string table = 1;
	// id or ids, eg. 'user-1', or comma separated ids 'user-1,user-2'
	string id = 2;
}

message DeleteResponse {

}