本文整理汇总了Golang中github.com/eaciit/dbox.IQuery.Aggr方法的典型用法代码示例。如果您正苦于以下问题：Golang IQuery.Aggr方法的具体用法？Golang IQuery.Aggr怎么用？Golang IQuery.Aggr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/eaciit/dbox.IQuery的用法示例。
在下文中一共展示了IQuery.Aggr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: 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
}