67 lines
1.3 KiB
Go
67 lines
1.3 KiB
Go
|
/*
|
||
|
Copyright 2014 SAP SE
|
||
|
|
||
|
Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
you may not use this file except in compliance with the License.
|
||
|
You may obtain a copy of the License at
|
||
|
|
||
|
http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
||
|
Unless required by applicable law or agreed to in writing, software
|
||
|
distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
See the License for the specific language governing permissions and
|
||
|
limitations under the License.
|
||
|
*/
|
||
|
|
||
|
package protocol
|
||
|
|
||
|
import (
|
||
|
"github.com/SAP/go-hdb/internal/bufio"
|
||
|
)
|
||
|
|
||
|
const (
|
||
|
statementIDSize = 8
|
||
|
)
|
||
|
|
||
|
type statementID struct {
|
||
|
id *uint64
|
||
|
}
|
||
|
|
||
|
func (id statementID) kind() partKind {
|
||
|
return pkStatementID
|
||
|
}
|
||
|
|
||
|
func (id statementID) size() (int, error) {
|
||
|
return statementIDSize, nil
|
||
|
}
|
||
|
|
||
|
func (id statementID) numArg() int {
|
||
|
return 1
|
||
|
}
|
||
|
|
||
|
func (id statementID) setNumArg(int) {
|
||
|
//ignore - always 1
|
||
|
}
|
||
|
|
||
|
func (id *statementID) read(rd *bufio.Reader) error {
|
||
|
_id := rd.ReadUint64()
|
||
|
*id.id = _id
|
||
|
|
||
|
if trace {
|
||
|
outLogger.Printf("statement id: %d", *id.id)
|
||
|
}
|
||
|
|
||
|
return rd.GetError()
|
||
|
}
|
||
|
|
||
|
func (id statementID) write(wr *bufio.Writer) error {
|
||
|
wr.WriteUint64(*id.id)
|
||
|
|
||
|
if trace {
|
||
|
outLogger.Printf("statement id: %d", *id.id)
|
||
|
}
|
||
|
|
||
|
return nil
|
||
|
}
|