diff options
Diffstat (limited to 'vendor/github.com/olivere/elastic/v7/msearch.go')
-rw-r--r-- | vendor/github.com/olivere/elastic/v7/msearch.go | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/vendor/github.com/olivere/elastic/v7/msearch.go b/vendor/github.com/olivere/elastic/v7/msearch.go new file mode 100644 index 0000000000..1f6aed0e55 --- /dev/null +++ b/vendor/github.com/olivere/elastic/v7/msearch.go @@ -0,0 +1,169 @@ +// Copyright 2012-present Oliver Eilhard. All rights reserved. +// Use of this source code is governed by a MIT-license. +// See http://olivere.mit-license.org/license.txt for details. + +package elastic + +import ( + "context" + "encoding/json" + "fmt" + "net/http" + "net/url" + "strings" +) + +// MultiSearch executes one or more searches in one roundtrip. +type MultiSearchService struct { + client *Client + + pretty *bool // pretty format the returned JSON response + human *bool // return human readable values for statistics + errorTrace *bool // include the stack trace of returned errors + filterPath []string // list of filters used to reduce the response + headers http.Header // custom request-level HTTP headers + + requests []*SearchRequest + indices []string + maxConcurrentRequests *int + preFilterShardSize *int +} + +func NewMultiSearchService(client *Client) *MultiSearchService { + builder := &MultiSearchService{ + client: client, + } + return builder +} + +// Pretty tells Elasticsearch whether to return a formatted JSON response. +func (s *MultiSearchService) Pretty(pretty bool) *MultiSearchService { + s.pretty = &pretty + return s +} + +// Human specifies whether human readable values should be returned in +// the JSON response, e.g. "7.5mb". +func (s *MultiSearchService) Human(human bool) *MultiSearchService { + s.human = &human + return s +} + +// ErrorTrace specifies whether to include the stack trace of returned errors. +func (s *MultiSearchService) ErrorTrace(errorTrace bool) *MultiSearchService { + s.errorTrace = &errorTrace + return s +} + +// FilterPath specifies a list of filters used to reduce the response. +func (s *MultiSearchService) FilterPath(filterPath ...string) *MultiSearchService { + s.filterPath = filterPath + return s +} + +// Header adds a header to the request. +func (s *MultiSearchService) Header(name string, value string) *MultiSearchService { + if s.headers == nil { + s.headers = http.Header{} + } + s.headers.Add(name, value) + return s +} + +// Headers specifies the headers of the request. +func (s *MultiSearchService) Headers(headers http.Header) *MultiSearchService { + s.headers = headers + return s +} + +func (s *MultiSearchService) Add(requests ...*SearchRequest) *MultiSearchService { + s.requests = append(s.requests, requests...) + return s +} + +func (s *MultiSearchService) Index(indices ...string) *MultiSearchService { + s.indices = append(s.indices, indices...) + return s +} + +func (s *MultiSearchService) MaxConcurrentSearches(max int) *MultiSearchService { + s.maxConcurrentRequests = &max + return s +} + +func (s *MultiSearchService) PreFilterShardSize(size int) *MultiSearchService { + s.preFilterShardSize = &size + return s +} + +func (s *MultiSearchService) Do(ctx context.Context) (*MultiSearchResult, error) { + // Build url + path := "/_msearch" + + // Parameters + params := url.Values{} + if v := s.pretty; v != nil { + params.Set("pretty", fmt.Sprint(*v)) + } + if v := s.human; v != nil { + params.Set("human", fmt.Sprint(*v)) + } + if v := s.errorTrace; v != nil { + params.Set("error_trace", fmt.Sprint(*v)) + } + if len(s.filterPath) > 0 { + params.Set("filter_path", strings.Join(s.filterPath, ",")) + } + if v := s.maxConcurrentRequests; v != nil { + params.Set("max_concurrent_searches", fmt.Sprintf("%v", *v)) + } + if v := s.preFilterShardSize; v != nil { + params.Set("pre_filter_shard_size", fmt.Sprintf("%v", *v)) + } + + // Set body + var lines []string + for _, sr := range s.requests { + // Set default indices if not specified in the request + if !sr.HasIndices() && len(s.indices) > 0 { + sr = sr.Index(s.indices...) + } + + header, err := json.Marshal(sr.header()) + if err != nil { + return nil, err + } + body, err := sr.Body() + if err != nil { + return nil, err + } + lines = append(lines, string(header)) + lines = append(lines, body) + } + body := strings.Join(lines, "\n") + "\n" // add trailing \n + + // Get response + res, err := s.client.PerformRequest(ctx, PerformRequestOptions{ + Method: "GET", + Path: path, + Params: params, + Body: body, + Headers: s.headers, + }) + if err != nil { + return nil, err + } + + // Return result + ret := new(MultiSearchResult) + if err := s.client.decoder.Decode(res.Body, ret); err != nil { + return nil, err + } + return ret, nil +} + +// MultiSearchResult is the outcome of running a multi-search operation. +type MultiSearchResult struct { + TookInMillis int64 `json:"took,omitempty"` // search time in milliseconds + Responses []*SearchResult `json:"responses,omitempty"` +} |