blob: 277ac598f2bc16a52576705ec180c22f6525df29 (
plain) (
blame)
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
|
//go:build (amd64 || arm64 || riscv64) && !purego
// Code generated by ./cmd/ch-gen-col, DO NOT EDIT.
package proto
import (
"unsafe"
"github.com/go-faster/errors"
)
// DecodeColumn decodes FixedStr256 rows from *Reader.
func (c *ColFixedStr256) DecodeColumn(r *Reader, rows int) error {
if rows == 0 {
return nil
}
*c = append(*c, make([][256]byte, rows)...)
s := *(*slice)(unsafe.Pointer(c))
const size = 256
s.Len *= size
s.Cap *= size
dst := *(*[]byte)(unsafe.Pointer(&s))
if err := r.ReadFull(dst); err != nil {
return errors.Wrap(err, "read full")
}
return nil
}
// EncodeColumn encodes FixedStr256 rows to *Buffer.
func (c ColFixedStr256) EncodeColumn(b *Buffer) {
v := c
if len(v) == 0 {
return
}
offset := len(b.Buf)
const size = 256
b.Buf = append(b.Buf, make([]byte, size*len(v))...)
s := *(*slice)(unsafe.Pointer(&v))
s.Len *= size
s.Cap *= size
src := *(*[]byte)(unsafe.Pointer(&s))
dst := b.Buf[offset:]
copy(dst, src)
}
|
