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conn_logs.go
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/
conn_logs.go
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package clickhouse
import (
"time"
"github.com/ClickHouse/clickhouse-go/v2/lib/proto"
)
type Log struct {
Time time.Time
TimeMicro uint32
Hostname string
QueryID string
ThreadID uint64
Priority int8
Source string
Text string
}
func (c *connect) logs() ([]Log, error) {
block, err := c.readData(proto.ServerLog, false)
if err != nil {
return nil, err
}
c.debugf("[logs] rows=%d", block.Rows())
var (
logs []Log
names = block.ColumnsNames()
)
for r := 0; r < block.Rows(); r++ {
var log Log
for i, b := range block.Columns {
switch names[i] {
case "event_time":
if err := b.ScanRow(&log.Time, r); err != nil {
return nil, err
}
case "event_time_microseconds":
if err := b.ScanRow(&log.TimeMicro, r); err != nil {
return nil, err
}
case "host_name":
if err := b.ScanRow(&log.Hostname, r); err != nil {
return nil, err
}
case "query_id":
if err := b.ScanRow(&log.QueryID, r); err != nil {
return nil, err
}
case "thread_id":
if err := b.ScanRow(&log.ThreadID, r); err != nil {
return nil, err
}
case "priority":
if err := b.ScanRow(&log.Priority, r); err != nil {
return nil, err
}
case "source":
if err := b.ScanRow(&log.Source, r); err != nil {
return nil, err
}
case "text":
if err := b.ScanRow(&log.Text, r); err != nil {
return nil, err
}
}
}
logs = append(logs, log)
}
return logs, nil
}