vortex-proto 0.69.0

Protocol buffer definitions for Vortex types
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101

// SPDX-License-Identifier: Apache-2.0
// SPDX-FileCopyrightText: Copyright the Vortex contributors

syntax = "proto3";

package vortex.dtype;

option java_package = "dev.vortex.proto";
option java_outer_classname = "DTypeProtos";

enum PType {
  U8 = 0;
  U16 = 1;
  U32 = 2;
  U64 = 3;
  I8 = 4;
  I16 = 5;
  I32 = 6;
  I64 = 7;
  F16 = 8;
  F32 = 9;
  F64 = 10;
}

message Null {}

message Bool {
  bool nullable = 1;
}

message Primitive {
  PType type = 1;
  bool nullable = 2;
}

message Decimal {
  uint32 precision = 1;
  int32 scale = 2;
  bool nullable = 3;
}

message Utf8 {
  bool nullable = 1;
}

message Binary {
  bool nullable = 1;
}

message Struct {
  repeated string names = 1;
  repeated DType dtypes = 2;
  bool nullable = 3;
}

message List {
  DType element_type = 1;
  bool nullable = 2;
}

message FixedSizeList {
  DType element_type = 1;
  uint32 size = 2;
  bool nullable = 3;
}

message Extension {
  string id = 1;
  DType storage_dtype = 2;
  optional bytes metadata = 3;
}

message Variant {
  bool nullable = 1;
}

message DType {
  oneof dtype_type {
    Null null = 1;
    Bool bool = 2;
    Primitive primitive = 3;
    Decimal decimal = 4;
    Utf8 utf8 = 5;
    Binary binary = 6;
    Struct struct = 7;
    List list = 8;
    Extension extension = 9;
    FixedSizeList fixed_size_list = 10; // This is after `Extension` for backwards compatibility.
    Variant variant = 11;
  }
}

message Field {
  oneof field_type {
    string name = 1;
  }
}

message FieldPath {
  repeated Field path = 1;
}