mirror of
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* update github.com/alecthomas/chroma v0.8.0 -> v0.8.1 * github.com/blevesearch/bleve v1.0.10 -> v1.0.12 * editorconfig-core-go v2.1.1 -> v2.3.7 * github.com/gliderlabs/ssh v0.2.2 -> v0.3.1 * migrate editorconfig.ParseBytes to Parse * github.com/shurcooL/vfsgen to 0d455de96546 * github.com/go-git/go-git/v5 v5.1.0 -> v5.2.0 * github.com/google/uuid v1.1.1 -> v1.1.2 * github.com/huandu/xstrings v1.3.0 -> v1.3.2 * github.com/klauspost/compress v1.10.11 -> v1.11.1 * github.com/markbates/goth v1.61.2 -> v1.65.0 * github.com/mattn/go-sqlite3 v1.14.0 -> v1.14.4 * github.com/mholt/archiver v3.3.0 -> v3.3.2 * github.com/microcosm-cc/bluemonday 4f7140c49acb -> v1.0.4 * github.com/minio/minio-go v7.0.4 -> v7.0.5 * github.com/olivere/elastic v7.0.9 -> v7.0.20 * github.com/urfave/cli v1.20.0 -> v1.22.4 * github.com/prometheus/client_golang v1.1.0 -> v1.8.0 * github.com/xanzy/go-gitlab v0.37.0 -> v0.38.1 * mvdan.cc/xurls v2.1.0 -> v2.2.0 Co-authored-by: Lauris BH <lauris@nix.lv>
393 lines
11 KiB
Go
Vendored
393 lines
11 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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"context"
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"fmt"
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"net/http"
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"net/url"
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"strings"
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"github.com/olivere/elastic/v7/uritemplates"
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)
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// CountService is a convenient service for determining the
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// number of documents in an index. Use SearchService with
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// a SearchType of count for counting with queries etc.
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type CountService struct {
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client *Client
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pretty *bool // pretty format the returned JSON response
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human *bool // return human readable values for statistics
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errorTrace *bool // include the stack trace of returned errors
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filterPath []string // list of filters used to reduce the response
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headers http.Header // custom request-level HTTP headers
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index []string
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typ []string
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allowNoIndices *bool
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analyzeWildcard *bool
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analyzer string
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defaultOperator string
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df string
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expandWildcards string
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ignoreUnavailable *bool
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ignoreThrottled *bool
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lenient *bool
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lowercaseExpandedTerms *bool
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minScore interface{}
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preference string
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q string
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query Query
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routing string
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terminateAfter *int
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bodyJson interface{}
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bodyString string
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}
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// NewCountService creates a new CountService.
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func NewCountService(client *Client) *CountService {
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return &CountService{
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client: client,
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}
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}
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// Pretty tells Elasticsearch whether to return a formatted JSON response.
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func (s *CountService) Pretty(pretty bool) *CountService {
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s.pretty = &pretty
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return s
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}
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// Human specifies whether human readable values should be returned in
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// the JSON response, e.g. "7.5mb".
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func (s *CountService) Human(human bool) *CountService {
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s.human = &human
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return s
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}
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// ErrorTrace specifies whether to include the stack trace of returned errors.
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func (s *CountService) ErrorTrace(errorTrace bool) *CountService {
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s.errorTrace = &errorTrace
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return s
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}
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// FilterPath specifies a list of filters used to reduce the response.
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func (s *CountService) FilterPath(filterPath ...string) *CountService {
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s.filterPath = filterPath
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return s
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}
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// Header adds a header to the request.
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func (s *CountService) Header(name string, value string) *CountService {
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if s.headers == nil {
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s.headers = http.Header{}
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}
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s.headers.Add(name, value)
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return s
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}
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// Headers specifies the headers of the request.
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func (s *CountService) Headers(headers http.Header) *CountService {
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s.headers = headers
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return s
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}
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// Index sets the names of the indices to restrict the results.
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func (s *CountService) Index(index ...string) *CountService {
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if s.index == nil {
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s.index = make([]string, 0)
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}
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s.index = append(s.index, index...)
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return s
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}
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// Type sets the types to use to restrict the results.
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//
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// Deprecated: Types are in the process of being removed. Instead of using a type, prefer to
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// filter on a field on the document.
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func (s *CountService) Type(typ ...string) *CountService {
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if s.typ == nil {
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s.typ = make([]string, 0)
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}
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s.typ = append(s.typ, typ...)
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return s
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}
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// AllowNoIndices indicates whether to ignore if a wildcard indices
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// expression resolves into no concrete indices. (This includes "_all" string
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// or when no indices have been specified).
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func (s *CountService) AllowNoIndices(allowNoIndices bool) *CountService {
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s.allowNoIndices = &allowNoIndices
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return s
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}
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// AnalyzeWildcard specifies whether wildcard and prefix queries should be
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// analyzed (default: false).
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func (s *CountService) AnalyzeWildcard(analyzeWildcard bool) *CountService {
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s.analyzeWildcard = &analyzeWildcard
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return s
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}
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// Analyzer specifies the analyzer to use for the query string.
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func (s *CountService) Analyzer(analyzer string) *CountService {
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s.analyzer = analyzer
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return s
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}
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// DefaultOperator specifies the default operator for query string query (AND or OR).
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func (s *CountService) DefaultOperator(defaultOperator string) *CountService {
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s.defaultOperator = defaultOperator
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return s
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}
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// Df specifies the field to use as default where no field prefix is given
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// in the query string.
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func (s *CountService) Df(df string) *CountService {
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s.df = df
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return s
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}
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// ExpandWildcards indicates whether to expand wildcard expression to
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// concrete indices that are open, closed or both.
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func (s *CountService) ExpandWildcards(expandWildcards string) *CountService {
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s.expandWildcards = expandWildcards
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return s
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}
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// IgnoreUnavailable indicates whether specified concrete indices should be
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// ignored when unavailable (missing or closed).
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func (s *CountService) IgnoreUnavailable(ignoreUnavailable bool) *CountService {
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s.ignoreUnavailable = &ignoreUnavailable
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return s
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}
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// IgnoreThrottled indicates whether specified concrete, expanded or aliased
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// indices should be ignored when throttled.
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func (s *CountService) IgnoreThrottled(ignoreThrottled bool) *CountService {
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s.ignoreThrottled = &ignoreThrottled
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return s
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}
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// Lenient specifies whether format-based query failures (such as
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// providing text to a numeric field) should be ignored.
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func (s *CountService) Lenient(lenient bool) *CountService {
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s.lenient = &lenient
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return s
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}
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// LowercaseExpandedTerms specifies whether query terms should be lowercased.
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func (s *CountService) LowercaseExpandedTerms(lowercaseExpandedTerms bool) *CountService {
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s.lowercaseExpandedTerms = &lowercaseExpandedTerms
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return s
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}
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// MinScore indicates to include only documents with a specific `_score`
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// value in the result.
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func (s *CountService) MinScore(minScore interface{}) *CountService {
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s.minScore = minScore
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return s
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}
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// Preference specifies the node or shard the operation should be
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// performed on (default: random).
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func (s *CountService) Preference(preference string) *CountService {
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s.preference = preference
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return s
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}
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// Q in the Lucene query string syntax. You can also use Query to pass
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// a Query struct.
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func (s *CountService) Q(q string) *CountService {
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s.q = q
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return s
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}
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// Query specifies the query to pass. You can also pass a query string with Q.
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func (s *CountService) Query(query Query) *CountService {
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s.query = query
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return s
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}
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// Routing specifies the routing value.
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func (s *CountService) Routing(routing string) *CountService {
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s.routing = routing
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return s
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}
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// TerminateAfter indicates the maximum count for each shard, upon reaching
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// which the query execution will terminate early.
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func (s *CountService) TerminateAfter(terminateAfter int) *CountService {
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s.terminateAfter = &terminateAfter
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return s
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}
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// BodyJson specifies the query to restrict the results specified with the
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// Query DSL (optional). The interface{} will be serialized to a JSON document,
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// so use a map[string]interface{}.
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func (s *CountService) BodyJson(body interface{}) *CountService {
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s.bodyJson = body
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return s
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}
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// Body specifies a query to restrict the results specified with
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// the Query DSL (optional).
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func (s *CountService) BodyString(body string) *CountService {
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s.bodyString = body
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return s
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}
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// buildURL builds the URL for the operation.
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func (s *CountService) buildURL() (string, url.Values, error) {
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var err error
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var path string
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if len(s.index) > 0 && len(s.typ) > 0 {
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path, err = uritemplates.Expand("/{index}/{type}/_count", map[string]string{
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"index": strings.Join(s.index, ","),
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"type": strings.Join(s.typ, ","),
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})
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} else if len(s.index) > 0 {
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path, err = uritemplates.Expand("/{index}/_count", map[string]string{
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"index": strings.Join(s.index, ","),
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})
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} else if len(s.typ) > 0 {
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path, err = uritemplates.Expand("/_all/{type}/_count", map[string]string{
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"type": strings.Join(s.typ, ","),
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})
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} else {
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path = "/_all/_count"
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}
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if err != nil {
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return "", url.Values{}, err
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}
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// Add query string parameters
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params := url.Values{}
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if v := s.pretty; v != nil {
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params.Set("pretty", fmt.Sprint(*v))
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}
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if v := s.human; v != nil {
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params.Set("human", fmt.Sprint(*v))
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}
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if v := s.errorTrace; v != nil {
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params.Set("error_trace", fmt.Sprint(*v))
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}
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if len(s.filterPath) > 0 {
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params.Set("filter_path", strings.Join(s.filterPath, ","))
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}
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if s.allowNoIndices != nil {
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params.Set("allow_no_indices", fmt.Sprintf("%v", *s.allowNoIndices))
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}
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if s.analyzeWildcard != nil {
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params.Set("analyze_wildcard", fmt.Sprintf("%v", *s.analyzeWildcard))
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}
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if s.analyzer != "" {
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params.Set("analyzer", s.analyzer)
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}
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if s.defaultOperator != "" {
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params.Set("default_operator", s.defaultOperator)
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}
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if s.df != "" {
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params.Set("df", s.df)
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}
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if s.expandWildcards != "" {
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params.Set("expand_wildcards", s.expandWildcards)
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}
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if s.ignoreUnavailable != nil {
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params.Set("ignore_unavailable", fmt.Sprintf("%v", *s.ignoreUnavailable))
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}
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if s.ignoreThrottled != nil {
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params.Set("ignore_throttled", fmt.Sprintf("%v", *s.ignoreThrottled))
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}
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if s.lenient != nil {
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params.Set("lenient", fmt.Sprintf("%v", *s.lenient))
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}
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if s.lowercaseExpandedTerms != nil {
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params.Set("lowercase_expanded_terms", fmt.Sprintf("%v", *s.lowercaseExpandedTerms))
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}
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if s.minScore != nil {
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params.Set("min_score", fmt.Sprintf("%v", s.minScore))
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}
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if s.preference != "" {
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params.Set("preference", s.preference)
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}
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if s.q != "" {
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params.Set("q", s.q)
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}
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if s.routing != "" {
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params.Set("routing", s.routing)
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}
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if s.terminateAfter != nil {
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params.Set("terminate_after", fmt.Sprintf("%v", *s.terminateAfter))
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}
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return path, params, nil
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}
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// Validate checks if the operation is valid.
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func (s *CountService) Validate() error {
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return nil
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}
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// Do executes the operation.
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func (s *CountService) Do(ctx context.Context) (int64, error) {
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// Check pre-conditions
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if err := s.Validate(); err != nil {
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return 0, err
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}
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// Get URL for request
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path, params, err := s.buildURL()
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if err != nil {
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return 0, err
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}
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// Setup HTTP request body
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var body interface{}
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if s.query != nil {
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src, err := s.query.Source()
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if err != nil {
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return 0, err
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}
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query := make(map[string]interface{})
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query["query"] = src
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body = query
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} else if s.bodyJson != nil {
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body = s.bodyJson
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} else if s.bodyString != "" {
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body = s.bodyString
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}
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// Get HTTP response
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res, err := s.client.PerformRequest(ctx, PerformRequestOptions{
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Method: "POST",
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Path: path,
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Params: params,
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Body: body,
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Headers: s.headers,
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})
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if err != nil {
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return 0, err
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}
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// Return result
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ret := new(CountResponse)
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if err := s.client.decoder.Decode(res.Body, ret); err != nil {
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return 0, err
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}
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if ret != nil {
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return ret.Count, nil
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}
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return int64(0), nil
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}
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// CountResponse is the response of using the Count API.
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type CountResponse struct {
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Count int64 `json:"count"`
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TerminatedEarly bool `json:"terminated_early,omitempty"`
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Shards *ShardsInfo `json:"_shards,omitempty"`
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}
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