本文整理匯總了Golang中github.com/eaciit/dbox.IQuery.Group方法的典型用法代碼示例。如果您正苦於以下問題：Golang IQuery.Group方法的具體用法？Golang IQuery.Group怎麽用？Golang IQuery.Group使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/eaciit/dbox.IQuery的用法示例。
在下文中一共展示了IQuery.Group方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1: dboxAggr
func (d *DataBrowserController) dboxAggr(tblename string, field string, ctx dbox.IConnection, query dbox.IQuery, result, fieldAggr toolkit.M, cursor []toolkit.M, conn *colonycore.Connection) (toolkit.M, error) {
aggregate := toolkit.M{}
if conn.Driver == "mongo" {
field = "$" + field
}
query = ctx.NewQuery().From(tblename)
if result != nil {
for k, _ := range result {
if k == "SUM" {
query = query.Aggr(dbox.AggrSum, field, "SUM")
}
if k == "AVG" {
query = query.Aggr(dbox.AggrAvr, field, "AVG")
}
if k == "MAX" {
query = query.Aggr(dbox.AggrMax, field, "MAX")
}
if k == "MIN" {
query = query.Aggr(dbox.AggrMin, field, "MIN")
}
if conn.Driver == "mongo" {
if k != "COUNT" {
query = query.Group()
}
}
csr, e := query.Cursor(nil)
if e != nil {
return nil, e
}
defer csr.Close()
hasCount := []toolkit.M{}
if k == "COUNT" {
csr, e := query.Cursor(nil)
if e != nil {
return nil, e
}
defer csr.Close()
count := csr.Count()
hasCount = append(hasCount, aggregate.Set("count", count))
aggregate.Set("count", count)
} else {
e = csr.Fetch(&cursor, 0, false)
if e != nil {
return nil, e
}
}
if _, countOK := aggregate["count"]; countOK {
cursor = append(cursor, hasCount...)
}
for _, agg := range cursor {
aggregate = agg
if conn.Driver == "mongo" {
for f, _ := range aggregate {
if f == "_id" {
aggregate.Unset(f)
}
}
}
fieldAggr.Set(field, aggregate)
// toolkit.Printf("k:%v fieldArr:%v cursor:%v\n", k, field, fieldAggr)
}
}
}
return aggregate, nil
}