54 lines
1.2 KiB
Go
54 lines
1.2 KiB
Go
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// 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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// SliceQuery allows to partition the documents into several slices.
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// It is used e.g. to slice scroll operations in Elasticsearch 5.0 or later.
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// See https://www.elastic.co/guide/en/elasticsearch/reference/6.2/search-request-scroll.html#sliced-scroll
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// for details.
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type SliceQuery struct {
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field string
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id *int
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max *int
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}
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// NewSliceQuery creates a new SliceQuery.
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func NewSliceQuery() *SliceQuery {
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return &SliceQuery{}
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}
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// Field is the name of the field to slice against (_uid by default).
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func (s *SliceQuery) Field(field string) *SliceQuery {
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s.field = field
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return s
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}
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// Id is the id of the slice.
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func (s *SliceQuery) Id(id int) *SliceQuery {
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s.id = &id
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return s
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}
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// Max is the maximum number of slices.
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func (s *SliceQuery) Max(max int) *SliceQuery {
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s.max = &max
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return s
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}
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// Source returns the JSON body.
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func (s *SliceQuery) Source() (interface{}, error) {
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m := make(map[string]interface{})
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if s.field != "" {
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m["field"] = s.field
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}
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if s.id != nil {
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m["id"] = *s.id
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}
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if s.max != nil {
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m["max"] = *s.max
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}
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return m, nil
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}
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