syntax = "proto3";
package pilosa;

message QueryPQLRequest {
  string index = 1;
  string pql = 2;
}

message StatusError{
  uint32 Code = 1;
  string Message = 2;
}

message RowResponse{
  repeated ColumnInfo headers = 1;
  repeated ColumnResponse columns = 2;
  StatusError StatusError = 3;
}

message Row {
  repeated ColumnResponse columns = 1;
}

message TableResponse{
  repeated ColumnInfo headers = 1;
  repeated Row rows = 2;
  StatusError StatusError = 3;
}

message ColumnInfo {
  string name = 1;
  string datatype = 2;
}

message ColumnResponse{
  oneof columnVal {
    string stringVal = 1;
    uint64 uint64Val = 2;
    int64 int64Val = 3;
    bool boolVal = 4;
    bytes blobVal = 5;
    Uint64Array uint64ArrayVal = 6;
    StringArray stringArrayVal = 7;
    double float64Val = 8;
    Decimal decimalVal = 9;
  }
}

message Decimal {
	int64 value = 1;
	int64 scale = 2;
}

message InspectRequest {
  string index = 1;
  IdsOrKeys columns = 2;
  repeated string filterFields = 3;
  uint64 limit = 4;
  uint64 offset = 5;
}

message Uint64Array {
  repeated uint64 vals = 1;
}

message StringArray {
  repeated string vals = 1;
}

message IdsOrKeys {
  oneof type {
    Uint64Array ids = 1;
    StringArray keys = 2;
  }
}

service Pilosa {
  rpc QueryPQL(QueryPQLRequest) returns (stream RowResponse) {};
  rpc QueryPQLUnary(QueryPQLRequest) returns (TableResponse) {};
  rpc Inspect(InspectRequest) returns (stream RowResponse) {};
}