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conn_job.go
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conn_job.go
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package main
import (
"database/sql"
"fmt"
)
var _ ExecutableJob = (*ConnJob)(nil)
type ConnJob struct {
Idx int
sqler *Sqler
*DefaultJob
}
func NewConnJob(idx int, sqler *Sqler) Job {
connJob := &ConnJob{
Idx: idx,
sqler: sqler,
}
return WrapJob(connJob)
}
func (job *ConnJob) SetWrapper(defaultJob *DefaultJob) {
job.DefaultJob = defaultJob
}
func (job *ConnJob) StopOtherJobsWhenError() bool {
return true
}
func (job *ConnJob) DoExec() error {
ds := job.sqler.cfg.DataSources[job.Idx]
dsArgs := job.sqler.cfg.DataSourceArgs
dsn := fmt.Sprintf("%s:%s@tcp(%s)/%s?%s", ds.Username, ds.Password, ds.Url, ds.Schema, dsArgs)
db, err := sql.Open(ds.Type, dsn)
if err != nil {
job.output.WriteString(fmt.Sprintf("Failed to parse dsn, %v", err))
job.level = Error
return err
}
if err = db.PingContext(job.sqler.ctx); err != nil {
job.output.WriteString(fmt.Sprintf("Failed to connect db, %v", err))
job.level = Error
return err
}
job.output.WriteString(fmt.Sprintf("[%d/%d] Connected %s", job.Idx+1, len(job.sqler.dbs), dsn))
job.sqler.dbs[job.Idx] = db
return nil
}