fix #4479: add issue/pull id to search

modules/indexer/issues/bleve/bleve.go

@@ -53,6 +53,7 @@ func generateIssueIndexMapping() (mapping.IndexMapping, error) {
 	numericFieldMapping := bleve.NewNumericFieldMapping()
 	numericFieldMapping.Store = false
 	numericFieldMapping.IncludeInAll = false
+	docMapping.AddFieldMappingsAt("id", numericFieldMapping)
 	docMapping.AddFieldMappingsAt("repo_id", numericFieldMapping)
 
 	textFieldMapping := bleve.NewTextFieldMapping()
@@ -161,11 +162,16 @@ func (b *Indexer) Search(ctx context.Context, options *internal.SearchOptions) (
 			fuzziness = inner_bleve.GuessFuzzinessByKeyword(options.Keyword)
 		}
 
-		queries = append(queries, bleve.NewDisjunctionQuery([]query.Query{
+		innerQueries := []query.Query{
 			inner_bleve.MatchPhraseQuery(options.Keyword, "title", issueIndexerAnalyzer, fuzziness),
 			inner_bleve.MatchPhraseQuery(options.Keyword, "content", issueIndexerAnalyzer, fuzziness),
 			inner_bleve.MatchPhraseQuery(options.Keyword, "comments", issueIndexerAnalyzer, fuzziness),
-		}...))
+		}
+		if options.IssueID.Has() {
+			innerQueries = append(innerQueries, inner_bleve.NumericEqualityQuery(options.IssueID.Value(), "id"))
+		}
+
+		queries = append(queries, bleve.NewDisjunctionQuery(innerQueries...))
 	}
 
 	if len(options.RepoIDs) > 0 || options.AllPublic {

modules/indexer/issues/db/db.go

@@ -51,14 +51,18 @@ func (i *Indexer) Search(ctx context.Context, options *internal.SearchOptions) (
 	//        The notification is defined in modules, but it's using lots of things should be in services.
 
 	cond := builder.NewCond()
-
 	if options.Keyword != "" {
 		repoCond := builder.In("repo_id", options.RepoIDs)
 		if len(options.RepoIDs) == 1 {
 			repoCond = builder.Eq{"repo_id": options.RepoIDs[0]}
 		}
 		subQuery := builder.Select("id").From("issue").Where(repoCond)
 
+		var issueIDEq builder.Cond
+		issueIDEq = nil
+		if options.IssueID.Has() {
+			issueIDEq = builder.Eq{"issue.id": options.Keyword}
+		}
 		cond = builder.Or(
 			db.BuildCaseInsensitiveLike("issue.name", options.Keyword),
 			db.BuildCaseInsensitiveLike("issue.content", options.Keyword),
@@ -70,6 +74,7 @@ func (i *Indexer) Search(ctx context.Context, options *internal.SearchOptions) (
 					db.BuildCaseInsensitiveLike("content", options.Keyword),
 				)),
 			),
+			issueIDEq,
 		)
 	}
 

modules/indexer/issues/elasticsearch/elasticsearch.go

@@ -150,7 +150,7 @@ func (b *Indexer) Search(ctx context.Context, options *internal.SearchOptions) (
 			searchType = esMultiMatchTypeBestFields
 		}
 
-		query.Must(elastic.NewMultiMatchQuery(options.Keyword, "title", "content", "comments").Type(searchType))
+		query.Must(elastic.NewMultiMatchQuery(options.Keyword, "id", "title", "content", "comments").Type(searchType))
 	}
 
 	if len(options.RepoIDs) > 0 {

modules/indexer/issues/indexer.go

@@ -8,6 +8,7 @@ import (
 	"fmt"
 	"os"
 	"runtime/pprof"
+	"strconv"
 	"sync/atomic"
 	"time"
 
@@ -283,6 +284,7 @@ const (
 func SearchIssues(ctx context.Context, opts *SearchOptions) ([]int64, int64, error) {
 	indexer := *globalIndexer.Load()
 
+	log.Info("Indexer Keyword: " + opts.Keyword)
 	if opts.Keyword == "" {
 		// This is a conservative shortcut.
 		// If the keyword is empty, db has better (at least not worse) performance to filter issues.
@@ -291,6 +293,11 @@ func SearchIssues(ctx context.Context, opts *SearchOptions) ([]int64, int64, err
 		// Even worse, the external indexer like elastic search may not be available for a while,
 		// and the user may not be able to list issues completely until it is available again.
 		indexer = db.NewIndexer()
+	} else {
+		issueID, err := strconv.Atoi(opts.Keyword)
+		if err == nil {
+			opts.IssueID = optional.Option[int64]{int64(issueID)}
+		}
 	}
 
 	result, err := indexer.Search(ctx, opts)

modules/indexer/issues/internal/model.go

@@ -89,6 +89,8 @@ type SearchOptions struct {
 
 	MilestoneIDs []int64 // milestones the issues have
 
+	IssueID optional.Option[int64] // keyword as potential issue id
+
 	ProjectID       optional.Option[int64] // project the issues belong to
 	ProjectColumnID optional.Option[int64] // project column the issues belong to
 

modules/indexer/issues/meilisearch/meilisearch.go

@@ -46,6 +46,7 @@ func NewIndexer(url, apiKey, indexerName string) *Indexer {
 			"words", "typo", "proximity", "attribute", "exactness"},
 
 		SearchableAttributes: []string{
+			"id",
 			"title",
 			"content",
 			"comments",
@@ -57,6 +58,7 @@ func NewIndexer(url, apiKey, indexerName string) *Indexer {
 			"comments",
 		},
 		FilterableAttributes: []string{
+			"id",
 			"repo_id",
 			"is_public",
 			"is_pull",