forgejo-federation/vendor/github.com/denisenkom/go-mssqldb/collation.go
btrepp 25b5ffb6af Enables mssql support (#383)
* Enables mssql support

Port of dlobs work in gogs.
Enables options in index.js
Enables MSSQL as a database option in go.
Sets ID to 0 on initial migration. Required for
MSSQL insert statements.

Signed-off-by: Beau Trepp <beautrepp@gmail.com>

* Vendors in denisenkom/go-mssqldb

Includes golang.org/x/crypto/md4
as this is required by go-msssqldb

Signed-off-by: Beau Trepp <beautrepp@gmail.com>
2016-12-24 09:37:35 +08:00

39 lines
764 B
Go

package mssql
import (
"encoding/binary"
"io"
)
// http://msdn.microsoft.com/en-us/library/dd340437.aspx
type collation struct {
lcidAndFlags uint32
sortId uint8
}
func (c collation) getLcid() uint32 {
return c.lcidAndFlags & 0x000fffff
}
func (c collation) getFlags() uint32 {
return (c.lcidAndFlags & 0x0ff00000) >> 20
}
func (c collation) getVersion() uint32 {
return (c.lcidAndFlags & 0xf0000000) >> 28
}
func readCollation(r *tdsBuffer) (res collation) {
res.lcidAndFlags = r.uint32()
res.sortId = r.byte()
return
}
func writeCollation(w io.Writer, col collation) (err error) {
if err = binary.Write(w, binary.LittleEndian, col.lcidAndFlags); err != nil {
return
}
err = binary.Write(w, binary.LittleEndian, col.sortId)
return
}