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
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
package proto
import (
"github.com/go-faster/errors"
)
type Query struct {
ID string
Body string
Secret string
Stage Stage
Compression Compression
Info ClientInfo
Settings []Setting
Parameters []Parameter
}
type Parameter struct {
Key string
Value string
}
func (p Parameter) Encode(b *Buffer) {
Setting{
Key: p.Key,
Value: p.Value,
Custom: true,
}.Encode(b)
}
func (p *Parameter) Decode(r *Reader) error {
var s Setting
if err := s.Decode(r); err != nil {
return errors.Wrap(err, "as setting")
}
p.Key = s.Key
p.Value = s.Value
return nil
}
// src/Core/BaseSettings.h:191 (BaseSettingsHelpers.Flags)
const (
settingFlagImportant = 0x01
settingFlagCustom = 0x02
settingFlagObsolete = 0x04
)
type Setting struct {
Key string
Value string
Important bool
Custom bool
Obsolete bool
}
func (s Setting) Encode(b *Buffer) {
b.PutString(s.Key)
{
var flags uint64
if s.Important {
flags |= settingFlagImportant
}
if s.Custom {
flags |= settingFlagCustom
}
if s.Obsolete {
flags |= settingFlagObsolete
}
b.PutUVarInt(flags)
}
b.PutString(s.Value)
}
func (s *Setting) Decode(r *Reader) error {
key, err := r.Str()
if err != nil {
return errors.Wrap(err, "key")
}
if key == "" {
// End of settings.
return nil
}
flags, err := r.UVarInt()
if err != nil {
return errors.Wrap(err, "flags")
}
v, err := r.Str()
if err != nil {
return errors.Wrapf(err, "value (%s)", key)
}
s.Key = key
s.Important = flags&settingFlagImportant != 0
s.Custom = flags&settingFlagCustom != 0
s.Obsolete = flags&settingFlagObsolete != 0
s.Value = v
return nil
}
func (q *Query) DecodeAware(r *Reader, version int) error {
{
v, err := r.Str()
if err != nil {
return errors.Wrap(err, "query id")
}
q.ID = v
}
if FeatureClientWriteInfo.In(version) {
if err := q.Info.DecodeAware(r, version); err != nil {
return errors.Wrap(err, "client info")
}
}
if !FeatureSettingsSerializedAsStrings.In(version) {
return errors.New("unsupported version")
}
for {
var s Setting
if err := s.Decode(r); err != nil {
return errors.Wrap(err, "setting")
}
if s.Key == "" {
break
}
q.Settings = append(q.Settings, s)
}
if FeatureInterServerSecret.In(version) {
v, err := r.Str()
if err != nil {
return errors.Wrap(err, "inter-server secret")
}
q.Secret = v
}
{
v, err := r.UVarInt()
if err != nil {
return errors.Wrap(err, "stage")
}
q.Stage = Stage(v)
if !q.Stage.IsAStage() {
return errors.Errorf("unknown stage %d", v)
}
}
{
v, err := r.UVarInt()
if err != nil {
return errors.Wrap(err, "compression")
}
q.Compression = Compression(v)
if !q.Compression.IsACompression() {
return errors.Errorf("unknown compression %d", v)
}
}
{
v, err := r.Str()
if err != nil {
return errors.Wrap(err, "query body")
}
q.Body = v
}
if FeatureParameters.In(version) {
for {
var p Parameter
if err := p.Decode(r); err != nil {
return errors.Wrap(err, "parameter")
}
if p.Key == "" {
break
}
q.Parameters = append(q.Parameters, p)
}
}
return nil
}
func (q Query) EncodeAware(b *Buffer, version int) {
ClientCodeQuery.Encode(b)
b.PutString(q.ID)
if FeatureClientWriteInfo.In(version) {
q.Info.EncodeAware(b, version)
}
if FeatureSettingsSerializedAsStrings.In(version) {
for _, s := range q.Settings {
s.Encode(b)
}
}
b.PutString("") // end of settings
if FeatureInterServerSecret.In(version) {
b.PutString(q.Secret)
}
StageComplete.Encode(b)
q.Compression.Encode(b)
b.PutString(q.Body)
if FeatureParameters.In(version) {
for _, p := range q.Parameters {
p.Encode(b)
}
b.PutString("") // end of parameters
}
}
|
