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progress.go
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progress.go
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// Licensed to ClickHouse, Inc. under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. ClickHouse, Inc. licenses this file to you 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 proto
import (
"fmt"
"time"
chproto "github.com/ClickHouse/ch-go/proto"
)
type Progress struct {
Rows uint64
Bytes uint64
TotalRows uint64
WroteRows uint64
WroteBytes uint64
Elapsed time.Duration
withClient bool
}
func (p *Progress) Decode(reader *chproto.Reader, revision uint64) (err error) {
if p.Rows, err = reader.UVarInt(); err != nil {
return err
}
if p.Bytes, err = reader.UVarInt(); err != nil {
return err
}
if p.TotalRows, err = reader.UVarInt(); err != nil {
return err
}
if revision >= DBMS_MIN_REVISION_WITH_CLIENT_WRITE_INFO {
p.withClient = true
if p.WroteRows, err = reader.UVarInt(); err != nil {
return err
}
if p.WroteBytes, err = reader.UVarInt(); err != nil {
return err
}
}
if revision >= DBMS_MIN_PROTOCOL_VERSION_WITH_SERVER_QUERY_TIME_IN_PROGRES {
var n uint64
if n, err = reader.UVarInt(); err != nil {
return err
}
p.Elapsed = time.Duration(n) * time.Nanosecond
}
return nil
}
func (p *Progress) String() string {
if !p.withClient {
return fmt.Sprintf("rows=%d, bytes=%d, total rows=%d, elapsed=%s", p.Rows, p.Bytes, p.TotalRows, p.Elapsed.String())
}
return fmt.Sprintf("rows=%d, bytes=%d, total rows=%d, wrote rows=%d wrote bytes=%d elapsed=%s",
p.Rows,
p.Bytes,
p.TotalRows,
p.WroteRows,
p.WroteBytes,
p.Elapsed.String(),
)
}