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1e76a824bc
Fix #24662. Replace #24822 and #25708 (although it has been merged) ## Background In the past, Gitea supported issue searching with a keyword and conditions in a less efficient way. It worked by searching for issues with the keyword and obtaining limited IDs (as it is heavy to get all) on the indexer (bleve/elasticsearch/meilisearch), and then querying with conditions on the database to find a subset of the found IDs. This is why the results could be incomplete. To solve this issue, we need to store all fields that could be used as conditions in the indexer and support both keyword and additional conditions when searching with the indexer. ## Major changes - Redefine `IndexerData` to include all fields that could be used as filter conditions. - Refactor `Search(ctx context.Context, kw string, repoIDs []int64, limit, start int, state string)` to `Search(ctx context.Context, options *SearchOptions)`, so it supports more conditions now. - Change the data type stored in `issueIndexerQueue`. Use `IndexerMetadata` instead of `IndexerData` in case the data has been updated while it is in the queue. This also reduces the storage size of the queue. - Enhance searching with Bleve/Elasticsearch/Meilisearch, make them fully support `SearchOptions`. Also, update the data versions. - Keep most logic of database indexer, but remove `issues.SearchIssueIDsByKeyword` in `models` to avoid confusion where is the entry point to search issues. - Start a Meilisearch instance to test it in unit tests. - Add unit tests with almost full coverage to test Bleve/Elasticsearch/Meilisearch indexer. --------- Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
97 lines
2.9 KiB
Go
97 lines
2.9 KiB
Go
// Copyright 2019 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package db
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import (
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"context"
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"code.gitea.io/gitea/models/db"
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issue_model "code.gitea.io/gitea/models/issues"
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indexer_internal "code.gitea.io/gitea/modules/indexer/internal"
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inner_db "code.gitea.io/gitea/modules/indexer/internal/db"
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"code.gitea.io/gitea/modules/indexer/issues/internal"
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"xorm.io/builder"
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)
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var _ internal.Indexer = &Indexer{}
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// Indexer implements Indexer interface to use database's like search
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type Indexer struct {
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indexer_internal.Indexer
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}
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func NewIndexer() *Indexer {
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return &Indexer{
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Indexer: &inner_db.Indexer{},
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}
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}
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// Index dummy function
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func (i *Indexer) Index(_ context.Context, _ ...*internal.IndexerData) error {
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return nil
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}
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// Delete dummy function
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func (i *Indexer) Delete(_ context.Context, _ ...int64) error {
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return nil
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}
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// Search searches for issues
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func (i *Indexer) Search(ctx context.Context, options *internal.SearchOptions) (*internal.SearchResult, error) {
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// FIXME: I tried to avoid importing models here, but it seems to be impossible.
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// We can provide a function to register the search function, so models/issues can register it.
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// So models/issues will import modules/indexer/issues, it's OK because it's by design.
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// But modules/indexer/issues has already imported models/issues to do UpdateRepoIndexer and UpdateIssueIndexer.
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// And to avoid circular import, we have to move the functions to another package.
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// I believe it should be services/indexer, sounds great!
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// But the two functions are used in modules/notification/indexer, that means we will import services/indexer in modules/notification/indexer.
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// So that's the root problem:
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// The notification is defined in modules, but it's using lots of things should be in services.
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cond := builder.NewCond()
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if options.Keyword != "" {
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repoCond := builder.In("repo_id", options.RepoIDs)
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if len(options.RepoIDs) == 1 {
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repoCond = builder.Eq{"repo_id": options.RepoIDs[0]}
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}
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subQuery := builder.Select("id").From("issue").Where(repoCond)
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cond = builder.Or(
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db.BuildCaseInsensitiveLike("issue.name", options.Keyword),
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db.BuildCaseInsensitiveLike("issue.content", options.Keyword),
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builder.In("issue.id", builder.Select("issue_id").
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From("comment").
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Where(builder.And(
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builder.Eq{"type": issue_model.CommentTypeComment},
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builder.In("issue_id", subQuery),
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db.BuildCaseInsensitiveLike("content", options.Keyword),
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)),
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),
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)
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}
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opt, err := ToDBOptions(ctx, options)
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if err != nil {
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return nil, err
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}
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ids, total, err := issue_model.IssueIDs(ctx, opt, cond)
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if err != nil {
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return nil, err
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}
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hits := make([]internal.Match, 0, len(ids))
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for _, id := range ids {
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hits = append(hits, internal.Match{
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ID: id,
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})
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}
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return &internal.SearchResult{
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Total: total,
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Hits: hits,
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}, nil
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}
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