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package godruid
type Having struct {
Type string `json:"type"`
Aggregation string `json:"aggregation,omitempty"`
Value interface{} `json:"value,omitempty"`
HavingSpec *Having `json:"havingSpec,omitempty"`
HavingSpecs []*Having `json:"havingSpecs,omitempty"`
}
func HavingEqualTo(agg string, value interface{}) *Having {
return &Having{
Type: "equalTo",
Aggregation: agg,
Value: value,
}
}
func HavingGreaterThan(agg string, value interface{}) *Having {
return &Having{
Type: "greaterThan",
Aggregation: agg,
Value: value,
}
}
func HavingLessThan(agg string, value interface{}) *Having {
return &Having{
Type: "lessThan",
Aggregation: agg,
Value: value,
}
}
func HavingAnd(havings ...*Having) *Having {
return joinHavings(havings, "and")
}
func HavingOr(havings ...*Having) *Having {
return joinHavings(havings, "or")
}
func HavingNot(having *Having) *Having {
return &Having{
Type: "not",
HavingSpec: having,
}
}
func joinHavings(havings []*Having, connector string) *Having {
// Remove null havings.
p := 0
for _, h := range havings {
if h != nil {
havings[p] = h
p++
}
}
havings = havings[0:p]
fLen := len(havings)
if fLen == 0 {
return nil
}
if fLen == 1 {
return havings[0]
}
return &Having{
Type: connector,
HavingSpecs: havings,
}
}
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