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5dbf36f356
* Issue search support elasticsearch * Fix lint * Add indexer name on app.ini * add a warnning on SearchIssuesByKeyword * improve code
256 lines
7.0 KiB
Go
Vendored
256 lines
7.0 KiB
Go
Vendored
// Copyright 2012-present Oliver Eilhard. All rights reserved.
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// Use of this source code is governed by a MIT-license.
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// See http://olivere.mit-license.org/license.txt for details.
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package elastic
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import (
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"time"
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)
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// DateRangeAggregation is a range aggregation that is dedicated for
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// date values. The main difference between this aggregation and the
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// normal range aggregation is that the from and to values can be expressed
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// in Date Math expressions, and it is also possible to specify a
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// date format by which the from and to response fields will be returned.
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// Note that this aggregration includes the from value and excludes the to
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// value for each range.
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// See: https://www.elastic.co/guide/en/elasticsearch/reference/7.0/search-aggregations-bucket-daterange-aggregation.html
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type DateRangeAggregation struct {
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field string
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script *Script
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subAggregations map[string]Aggregation
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meta map[string]interface{}
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keyed *bool
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unmapped *bool
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timeZone string
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format string
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entries []DateRangeAggregationEntry
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}
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type DateRangeAggregationEntry struct {
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Key string
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From interface{}
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To interface{}
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}
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func NewDateRangeAggregation() *DateRangeAggregation {
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return &DateRangeAggregation{
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subAggregations: make(map[string]Aggregation),
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entries: make([]DateRangeAggregationEntry, 0),
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}
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}
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func (a *DateRangeAggregation) Field(field string) *DateRangeAggregation {
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a.field = field
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return a
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}
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func (a *DateRangeAggregation) Script(script *Script) *DateRangeAggregation {
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a.script = script
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return a
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}
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func (a *DateRangeAggregation) SubAggregation(name string, subAggregation Aggregation) *DateRangeAggregation {
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a.subAggregations[name] = subAggregation
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return a
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}
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// Meta sets the meta data to be included in the aggregation response.
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func (a *DateRangeAggregation) Meta(metaData map[string]interface{}) *DateRangeAggregation {
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a.meta = metaData
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return a
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}
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func (a *DateRangeAggregation) Keyed(keyed bool) *DateRangeAggregation {
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a.keyed = &keyed
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return a
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}
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func (a *DateRangeAggregation) Unmapped(unmapped bool) *DateRangeAggregation {
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a.unmapped = &unmapped
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return a
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}
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func (a *DateRangeAggregation) TimeZone(timeZone string) *DateRangeAggregation {
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a.timeZone = timeZone
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return a
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}
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func (a *DateRangeAggregation) Format(format string) *DateRangeAggregation {
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a.format = format
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return a
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}
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func (a *DateRangeAggregation) AddRange(from, to interface{}) *DateRangeAggregation {
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a.entries = append(a.entries, DateRangeAggregationEntry{From: from, To: to})
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return a
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}
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func (a *DateRangeAggregation) AddRangeWithKey(key string, from, to interface{}) *DateRangeAggregation {
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a.entries = append(a.entries, DateRangeAggregationEntry{Key: key, From: from, To: to})
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return a
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}
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func (a *DateRangeAggregation) AddUnboundedTo(from interface{}) *DateRangeAggregation {
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a.entries = append(a.entries, DateRangeAggregationEntry{From: from, To: nil})
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return a
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}
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func (a *DateRangeAggregation) AddUnboundedToWithKey(key string, from interface{}) *DateRangeAggregation {
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a.entries = append(a.entries, DateRangeAggregationEntry{Key: key, From: from, To: nil})
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return a
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}
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func (a *DateRangeAggregation) AddUnboundedFrom(to interface{}) *DateRangeAggregation {
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a.entries = append(a.entries, DateRangeAggregationEntry{From: nil, To: to})
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return a
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}
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func (a *DateRangeAggregation) AddUnboundedFromWithKey(key string, to interface{}) *DateRangeAggregation {
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a.entries = append(a.entries, DateRangeAggregationEntry{Key: key, From: nil, To: to})
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return a
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}
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func (a *DateRangeAggregation) Lt(to interface{}) *DateRangeAggregation {
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a.entries = append(a.entries, DateRangeAggregationEntry{From: nil, To: to})
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return a
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}
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func (a *DateRangeAggregation) LtWithKey(key string, to interface{}) *DateRangeAggregation {
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a.entries = append(a.entries, DateRangeAggregationEntry{Key: key, From: nil, To: to})
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return a
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}
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func (a *DateRangeAggregation) Between(from, to interface{}) *DateRangeAggregation {
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a.entries = append(a.entries, DateRangeAggregationEntry{From: from, To: to})
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return a
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}
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func (a *DateRangeAggregation) BetweenWithKey(key string, from, to interface{}) *DateRangeAggregation {
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a.entries = append(a.entries, DateRangeAggregationEntry{Key: key, From: from, To: to})
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return a
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}
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func (a *DateRangeAggregation) Gt(from interface{}) *DateRangeAggregation {
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a.entries = append(a.entries, DateRangeAggregationEntry{From: from, To: nil})
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return a
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}
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func (a *DateRangeAggregation) GtWithKey(key string, from interface{}) *DateRangeAggregation {
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a.entries = append(a.entries, DateRangeAggregationEntry{Key: key, From: from, To: nil})
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return a
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}
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func (a *DateRangeAggregation) Source() (interface{}, error) {
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// Example:
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// {
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// "aggs" : {
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// "range" : {
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// "date_range": {
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// "field": "date",
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// "format": "MM-yyy",
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// "ranges": [
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// { "to": "now-10M/M" },
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// { "from": "now-10M/M" }
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// ]
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// }
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// }
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// }
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// }
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// }
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//
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// This method returns only the { "date_range" : { ... } } part.
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source := make(map[string]interface{})
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opts := make(map[string]interface{})
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source["date_range"] = opts
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// ValuesSourceAggregationBuilder
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if a.field != "" {
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opts["field"] = a.field
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}
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if a.script != nil {
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src, err := a.script.Source()
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if err != nil {
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return nil, err
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}
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opts["script"] = src
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}
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if a.keyed != nil {
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opts["keyed"] = *a.keyed
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}
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if a.unmapped != nil {
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opts["unmapped"] = *a.unmapped
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}
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if a.timeZone != "" {
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opts["time_zone"] = a.timeZone
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}
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if a.format != "" {
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opts["format"] = a.format
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}
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var ranges []interface{}
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for _, ent := range a.entries {
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r := make(map[string]interface{})
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if ent.Key != "" {
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r["key"] = ent.Key
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}
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if ent.From != nil {
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switch from := ent.From.(type) {
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case int, int16, int32, int64, float32, float64:
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r["from"] = from
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case *int, *int16, *int32, *int64, *float32, *float64:
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r["from"] = from
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case time.Time:
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r["from"] = from.Format(time.RFC3339)
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case *time.Time:
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r["from"] = from.Format(time.RFC3339)
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case string:
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r["from"] = from
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case *string:
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r["from"] = from
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}
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}
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if ent.To != nil {
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switch to := ent.To.(type) {
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case int, int16, int32, int64, float32, float64:
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r["to"] = to
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case *int, *int16, *int32, *int64, *float32, *float64:
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r["to"] = to
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case time.Time:
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r["to"] = to.Format(time.RFC3339)
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case *time.Time:
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r["to"] = to.Format(time.RFC3339)
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case string:
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r["to"] = to
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case *string:
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r["to"] = to
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}
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}
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ranges = append(ranges, r)
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}
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opts["ranges"] = ranges
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// AggregationBuilder (SubAggregations)
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if len(a.subAggregations) > 0 {
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aggsMap := make(map[string]interface{})
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source["aggregations"] = aggsMap
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for name, aggregate := range a.subAggregations {
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src, err := aggregate.Source()
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if err != nil {
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return nil, err
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}
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aggsMap[name] = src
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}
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}
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// Add Meta data if available
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if len(a.meta) > 0 {
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source["meta"] = a.meta
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}
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return source, nil
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}
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