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gitea/vendor/github.com/olivere/elastic/v7/validate.go

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// 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"
"fmt"
"net/http"
"net/url"
"strings"
"github.com/olivere/elastic/v7/uritemplates"
)
// ValidateService allows a user to validate a potentially
// expensive query without executing it.
// See https://www.elastic.co/guide/en/elasticsearch/reference/7.0/search-validate.html.
type ValidateService 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
index []string
typ []string
q string
explain *bool
rewrite *bool
allShards *bool
lenient *bool
analyzer string
df string
analyzeWildcard *bool
defaultOperator string
ignoreUnavailable *bool
allowNoIndices *bool
expandWildcards string
bodyJson interface{}
bodyString string
}
// NewValidateService creates a new ValidateService.
func NewValidateService(client *Client) *ValidateService {
return &ValidateService{
client: client,
}
}
// Pretty tells Elasticsearch whether to return a formatted JSON response.
func (s *ValidateService) Pretty(pretty bool) *ValidateService {
s.pretty = &pretty
return s
}
// Human specifies whether human readable values should be returned in
// the JSON response, e.g. "7.5mb".
func (s *ValidateService) Human(human bool) *ValidateService {
s.human = &human
return s
}
// ErrorTrace specifies whether to include the stack trace of returned errors.
func (s *ValidateService) ErrorTrace(errorTrace bool) *ValidateService {
s.errorTrace = &errorTrace
return s
}
// FilterPath specifies a list of filters used to reduce the response.
func (s *ValidateService) FilterPath(filterPath ...string) *ValidateService {
s.filterPath = filterPath
return s
}
// Header adds a header to the request.
func (s *ValidateService) Header(name string, value string) *ValidateService {
if s.headers == nil {
s.headers = http.Header{}
}
s.headers.Add(name, value)
return s
}
// Headers specifies the headers of the request.
func (s *ValidateService) Headers(headers http.Header) *ValidateService {
s.headers = headers
return s
}
// Index sets the names of the indices to use for search.
func (s *ValidateService) Index(index ...string) *ValidateService {
s.index = append(s.index, index...)
return s
}
// Type adds search restrictions for a list of types.
//
// Deprecated: Types are in the process of being removed. Instead of using a type, prefer to
// filter on a field on the document.
func (s *ValidateService) Type(typ ...string) *ValidateService {
s.typ = append(s.typ, typ...)
return s
}
// Lenient specifies whether format-based query failures
// (such as providing text to a numeric field) should be ignored.
func (s *ValidateService) Lenient(lenient bool) *ValidateService {
s.lenient = &lenient
return s
}
// Query in the Lucene query string syntax.
func (s *ValidateService) Q(q string) *ValidateService {
s.q = q
return s
}
// An explain parameter can be specified to get more detailed information about why a query failed.
func (s *ValidateService) Explain(explain *bool) *ValidateService {
s.explain = explain
return s
}
// Provide a more detailed explanation showing the actual Lucene query that will be executed.
func (s *ValidateService) Rewrite(rewrite *bool) *ValidateService {
s.rewrite = rewrite
return s
}
// Execute validation on all shards instead of one random shard per index.
func (s *ValidateService) AllShards(allShards *bool) *ValidateService {
s.allShards = allShards
return s
}
// AnalyzeWildcard specifies whether wildcards and prefix queries
// in the query string query should be analyzed (default: false).
func (s *ValidateService) AnalyzeWildcard(analyzeWildcard bool) *ValidateService {
s.analyzeWildcard = &analyzeWildcard
return s
}
// Analyzer is the analyzer for the query string query.
func (s *ValidateService) Analyzer(analyzer string) *ValidateService {
s.analyzer = analyzer
return s
}
// Df is the default field for query string query (default: _all).
func (s *ValidateService) Df(df string) *ValidateService {
s.df = df
return s
}
// DefaultOperator is the default operator for query string query (AND or OR).
func (s *ValidateService) DefaultOperator(defaultOperator string) *ValidateService {
s.defaultOperator = defaultOperator
return s
}
// Query sets a query definition using the Query DSL.
func (s *ValidateService) Query(query Query) *ValidateService {
src, err := query.Source()
if err != nil {
// Do nothing in case of an error
return s
}
body := make(map[string]interface{})
body["query"] = src
s.bodyJson = body
return s
}
// IgnoreUnavailable indicates whether the specified concrete indices
// should be ignored when unavailable (missing or closed).
func (s *ValidateService) IgnoreUnavailable(ignoreUnavailable bool) *ValidateService {
s.ignoreUnavailable = &ignoreUnavailable
return s
}
// AllowNoIndices indicates whether to ignore if a wildcard indices
// expression resolves into no concrete indices. (This includes `_all` string
// or when no indices have been specified).
func (s *ValidateService) AllowNoIndices(allowNoIndices bool) *ValidateService {
s.allowNoIndices = &allowNoIndices
return s
}
// ExpandWildcards indicates whether to expand wildcard expression to
// concrete indices that are open, closed or both.
func (s *ValidateService) ExpandWildcards(expandWildcards string) *ValidateService {
s.expandWildcards = expandWildcards
return s
}
// BodyJson sets the query definition using the Query DSL.
func (s *ValidateService) BodyJson(body interface{}) *ValidateService {
s.bodyJson = body
return s
}
// BodyString sets the query definition using the Query DSL as a string.
func (s *ValidateService) BodyString(body string) *ValidateService {
s.bodyString = body
return s
}
// buildURL builds the URL for the operation.
func (s *ValidateService) buildURL() (string, url.Values, error) {
var err error
var path string
// Build URL
if len(s.index) > 0 && len(s.typ) > 0 {
path, err = uritemplates.Expand("/{index}/{type}/_validate/query", map[string]string{
"index": strings.Join(s.index, ","),
"type": strings.Join(s.typ, ","),
})
} else if len(s.index) > 0 {
path, err = uritemplates.Expand("/{index}/_validate/query", map[string]string{
"index": strings.Join(s.index, ","),
})
} else {
path, err = uritemplates.Expand("/_validate/query", map[string]string{
"type": strings.Join(s.typ, ","),
})
}
if err != nil {
return "", url.Values{}, err
}
// Add query string 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 s.explain != nil {
params.Set("explain", fmt.Sprintf("%v", *s.explain))
}
if s.rewrite != nil {
params.Set("rewrite", fmt.Sprintf("%v", *s.rewrite))
}
if s.allShards != nil {
params.Set("all_shards", fmt.Sprintf("%v", *s.allShards))
}
if s.defaultOperator != "" {
params.Set("default_operator", s.defaultOperator)
}
if v := s.lenient; v != nil {
params.Set("lenient", fmt.Sprint(*v))
}
if s.q != "" {
params.Set("q", s.q)
}
if v := s.analyzeWildcard; v != nil {
params.Set("analyze_wildcard", fmt.Sprint(*v))
}
if s.analyzer != "" {
params.Set("analyzer", s.analyzer)
}
if s.df != "" {
params.Set("df", s.df)
}
if v := s.allowNoIndices; v != nil {
params.Set("allow_no_indices", fmt.Sprint(*v))
}
if s.expandWildcards != "" {
params.Set("expand_wildcards", s.expandWildcards)
}
if v := s.ignoreUnavailable; v != nil {
params.Set("ignore_unavailable", fmt.Sprint(*v))
}
return path, params, nil
}
// Validate checks if the operation is valid.
func (s *ValidateService) Validate() error {
return nil
}
// Do executes the operation.
func (s *ValidateService) Do(ctx context.Context) (*ValidateResponse, error) {
// Check pre-conditions
if err := s.Validate(); err != nil {
return nil, err
}
// Get URL for request
path, params, err := s.buildURL()
if err != nil {
return nil, err
}
// Setup HTTP request body
var body interface{}
if s.bodyJson != nil {
body = s.bodyJson
} else {
body = s.bodyString
}
// Get HTTP 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 operation response
ret := new(ValidateResponse)
if err := s.client.decoder.Decode(res.Body, ret); err != nil {
return nil, err
}
return ret, nil
}
// ValidateResponse is the response of ValidateService.Do.
type ValidateResponse struct {
Valid bool `json:"valid"`
Shards map[string]interface{} `json:"_shards"`
Explanations []interface{} `json:"explanations"`
}