本文整理汇总了Golang中github.com/badoo/thunder/db.LazyTrx.Begin方法的典型用法代码示例。如果您正苦于以下问题：Golang LazyTrx.Begin方法的具体用法？Golang LazyTrx.Begin怎么用？Golang LazyTrx.Begin使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/badoo/thunder/db.LazyTrx的用法示例。
在下文中一共展示了LazyTrx.Begin方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: doCycle
func doCycle() bool {
var (
jiRows map[string]map[string]*JobInfoEntry
scripts map[string]*ScriptEntry
flags map[string]*FlagEntry
scriptsRusage map[string]*ScriptRusageEntry
classLocTTRows map[string]map[string][]*TimetableEntry
)
unifiedStartTs := time.Now().UnixNano()
startTs := time.Now().UnixNano()
err := loadFullState(
&LoadStateFunc{name: "Scripts", fun: func() (err error) { scripts, err = getGroupedScriptsForPlatform(); return }},
&LoadStateFunc{name: "JobInfo", fun: func() (err error) { jiRows, err = getGroupedJobInfo(); return }},
&LoadStateFunc{name: "Flags", fun: func() (err error) { flags, err = getFlags(); return }},
&LoadStateFunc{name: "ScriptsRusage", fun: func() (err error) { scriptsRusage, err = getScriptRusageStats(); return }},
&LoadStateFunc{name: "ScriptTimetable", fun: func() (err error) { classLocTTRows, err = selectTimetable(); return }})
if err != nil {
log.Errorf("Failed to select state in doCycle: %s", err.Error())
return false
}
log.Debugf("Loaded for %.5f sec", float64(time.Now().UnixNano()-startTs)/1e9)
startTs = time.Now().UnixNano()
err = loadSettingsFromRows(jiRows, scripts)
if err != nil {
log.Errorf("Could not load settings from rows: %s", err.Error())
return false
}
func() {
allSettingsMutex.Lock()
defer allSettingsMutex.Unlock()
for _, row := range scripts {
row.settings = allSettings[row.settings_id]
}
}()
scriptsMap.Lock()
scriptsMap.v = scripts
scriptsMap.Unlock()
log.Debugf(" Selected %d rows from flags", len(flags))
log.Debugf(" Selected %d rows from scripts rusage", len(scriptsRusage))
log.Debugf("Load settings for %.5f sec", float64(time.Now().UnixNano()-startTs)/1e9)
startTs = time.Now().UnixNano()
// We should not try to generate jobs for scripts that are not present in Script table
// But we should not forget settings (e.g. last generation_id) for that script
for class_name := range jiRows {
if _, ok := scripts[class_name]; !ok {
delete(jiRows, class_name)
}
}
log.Debugf("Selected all for %.5f sec", float64(time.Now().UnixNano()-unifiedStartTs)/1e9)
startTs = time.Now().UnixNano()
updateLoadEstimates()
log.Debugf("Load estimates updated for %.5f sec", float64(time.Now().UnixNano()-startTs)/1e9)
func() {
rusageInfo.Lock()
defer rusageInfo.Unlock()
log.Debugf("Group hosts: %+v", rusageInfo.groupHosts)
}()
startTs = time.Now().UnixNano()
failedLocationsMutex.Lock()
failedLocations = make(map[string]bool)
failedLocationsMutex.Unlock()
success := true
if len(scripts) > 0 {
throttle.setIntervalCh <- time.Second / time.Duration(len(scripts))
}
trigger(throttle.c, "throttle, start of cycle")
for className, script := range scripts {
<-throttle.c
tx := new(db.LazyTrx)
err := tx.Begin()
if err != nil {
log.Errorf("Could not start transaction in job generate: %s", err.Error())
success = false
continue
}
have := make(map[string]bool)
locTtRows := classLocTTRows[className]
if locTtRows != nil {
//.........这里部分代码省略.........