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* Issue search support elasticsearch * Fix lint * Add indexer name on app.ini * add a warnning on SearchIssuesByKeyword * improve code
127 lines
3.5 KiB
Go
127 lines
3.5 KiB
Go
// 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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// MatrixMatrixStatsAggregation is a multi-value metrics aggregation
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// that computes stats over numeric values extracted from the
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// aggregated documents. These values can be extracted either from
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// specific numeric fields in the documents, or be generated by a provided script.
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//
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// The stats that are returned consist of: min, max, sum, count and avg.
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//
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// See https://www.elastic.co/guide/en/elasticsearch/reference/7.0/search-aggregations-metrics-stats-aggregation.html
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// for details.
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type MatrixStatsAggregation struct {
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fields []string
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missing interface{}
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format string
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valueType interface{}
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mode string
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subAggregations map[string]Aggregation
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meta map[string]interface{}
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}
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// NewMatrixStatsAggregation initializes a new MatrixStatsAggregation.
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func NewMatrixStatsAggregation() *MatrixStatsAggregation {
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return &MatrixStatsAggregation{
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subAggregations: make(map[string]Aggregation),
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}
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}
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func (a *MatrixStatsAggregation) Fields(fields ...string) *MatrixStatsAggregation {
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a.fields = append(a.fields, fields...)
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return a
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}
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// Missing configures the value to use when documents miss a value.
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func (a *MatrixStatsAggregation) Missing(missing interface{}) *MatrixStatsAggregation {
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a.missing = missing
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return a
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}
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// Mode specifies how to operate. Valid values are: sum, avg, median, min, or max.
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func (a *MatrixStatsAggregation) Mode(mode string) *MatrixStatsAggregation {
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a.mode = mode
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return a
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}
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func (a *MatrixStatsAggregation) Format(format string) *MatrixStatsAggregation {
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a.format = format
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return a
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}
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func (a *MatrixStatsAggregation) ValueType(valueType interface{}) *MatrixStatsAggregation {
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a.valueType = valueType
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return a
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}
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func (a *MatrixStatsAggregation) SubAggregation(name string, subAggregation Aggregation) *MatrixStatsAggregation {
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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 *MatrixStatsAggregation) Meta(metaData map[string]interface{}) *MatrixStatsAggregation {
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a.meta = metaData
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return a
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}
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// Source returns the JSON to serialize into the request, or an error.
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func (a *MatrixStatsAggregation) Source() (interface{}, error) {
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// Example:
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// {
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// "aggs" : {
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// "matrixstats" : {
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// "matrix_stats" : {
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// "fields" : ["poverty", "income"],
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// "missing": {"income": 50000},
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// "mode": "avg",
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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 { "matrix_stats" : { ... } } part.
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source := make(map[string]interface{})
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opts := make(map[string]interface{})
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source["matrix_stats"] = opts
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// MatrixStatsAggregationBuilder
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opts["fields"] = a.fields
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if a.missing != nil {
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opts["missing"] = a.missing
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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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if a.valueType != nil {
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opts["value_type"] = a.valueType
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}
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if a.mode != "" {
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opts["mode"] = a.mode
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}
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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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