Sort search results by relevance
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parent
ed6ae7e0d2
commit
267b706544
6 changed files with 11 additions and 7 deletions
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@ -12,7 +12,7 @@ import (
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"miniflux.app/logger"
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)
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const schemaVersion = 21
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const schemaVersion = 22
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// Migrate executes database migrations.
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func Migrate(db *sql.DB) {
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@ -145,6 +145,7 @@ create index users_extra_idx on users using gin(extra);
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update entries set document_vectors = to_tsvector(substring(title || ' ' || coalesce(content, '') for 1000000));
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create index document_vectors_idx on entries using gin(document_vectors);`,
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"schema_version_21": `alter table feeds add column user_agent text default '';`,
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"schema_version_22": `update entries set document_vectors = setweight(to_tsvector(substring(coalesce(title, '') for 1000000)), 'A') || setweight(to_tsvector(substring(coalesce(content, '') for 1000000)), 'B');`,
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"schema_version_3": `create table tokens (
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id text not null,
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value text not null,
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@ -194,6 +195,7 @@ var SqlMapChecksums = map[string]string{
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"schema_version_2": "e8e9ff32478df04fcddad10a34cba2e8bb1e67e7977b5bd6cdc4c31ec94282b4",
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"schema_version_20": "5d414c0cfc0da2863c641079afa58b7ff42dccb0f0e01c822ad435c3e3aa9201",
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"schema_version_21": "77da01ee38918ff4fe33985fbb20ed3276a717a7584c2ca9ebcf4d4ab6cb6910",
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"schema_version_22": "51ed5fbcae9877e57274511f0ef8c61d254ebd78dfbcbc043a2acd30f4c93ca3",
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"schema_version_3": "a54745dbc1c51c000f74d4e5068f1e2f43e83309f023415b1749a47d5c1e0f12",
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"schema_version_4": "216ea3a7d3e1704e40c797b5dc47456517c27dbb6ca98bf88812f4f63d74b5d9",
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"schema_version_5": "46397e2f5f2c82116786127e9f6a403e975b14d2ca7b652a48cd1ba843e6a27c",
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1
database/sql/schema_version_22.sql
Normal file
1
database/sql/schema_version_22.sql
Normal file
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@ -0,0 +1 @@
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update entries set document_vectors = setweight(to_tsvector(substring(coalesce(title, '') for 1000000)), 'A') || setweight(to_tsvector(substring(coalesce(content, '') for 1000000)), 'B');
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@ -50,7 +50,7 @@ func (s *Storage) UpdateEntryContent(entry *model.Entry) error {
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query := `
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UPDATE entries
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SET document_vectors = to_tsvector(substring(title || ' ' || coalesce(content, '') for 1000000))
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SET document_vectors = setweight(to_tsvector(substring(coalesce(title, '') for 1000000)), 'A') || setweight(to_tsvector(substring(coalesce(content, '') for 1000000)), 'B')
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WHERE id=$1 AND user_id=$2
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`
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_, err = tx.Exec(query, entry.ID, entry.UserID)
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@ -68,7 +68,7 @@ func (s *Storage) createEntry(entry *model.Entry) error {
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INSERT INTO entries
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(title, hash, url, comments_url, published_at, content, author, user_id, feed_id, document_vectors)
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VALUES
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($1, $2, $3, $4, $5, $6, $7, $8, $9, to_tsvector(substring($1 || ' ' || coalesce($6, '') for 1000000)))
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($1, $2, $3, $4, $5, $6, $7, $8, $9, setweight(to_tsvector(substring(coalesce($1, '') for 1000000)), 'A') || setweight(to_tsvector(substring(coalesce($6, '') for 1000000)), 'B'))
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RETURNING id, status
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`
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err := s.db.QueryRow(
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@ -107,7 +107,7 @@ func (s *Storage) updateEntry(entry *model.Entry) error {
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query := `
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UPDATE entries SET
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title=$1, url=$2, comments_url=$3, content=$4, author=$5,
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document_vectors=to_tsvector(substring($1 || ' ' || coalesce($4, '') for 1000000))
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document_vectors = setweight(to_tsvector(substring(coalesce($1, '') for 1000000)), 'A') || setweight(to_tsvector(substring(coalesce($4, '') for 1000000)), 'B')
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WHERE user_id=$6 AND feed_id=$7 AND hash=$8
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RETURNING id
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`
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@ -33,6 +33,9 @@ func (e *EntryQueryBuilder) WithSearchQuery(query string) *EntryQueryBuilder {
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e.conditions = append(e.conditions, fmt.Sprintf("e.document_vectors @@ plainto_tsquery($%d)", len(e.args)+1))
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e.args = append(e.args, query)
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}
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// ordered by relevance, can be overrode
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e.WithOrder(fmt.Sprintf("ts_rank(document_vectors, plainto_tsquery('%s'))", query))
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e.WithDirection("DESC")
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return e
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}
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@ -315,7 +318,7 @@ func (e *EntryQueryBuilder) buildSorting() string {
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var parts []string
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if e.order != "" {
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parts = append(parts, fmt.Sprintf(`ORDER BY "%s"`, e.order))
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parts = append(parts, fmt.Sprintf(`ORDER BY %s`, e.order))
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}
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if e.direction != "" {
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@ -27,8 +27,6 @@ func (h *handler) showSearchEntriesPage(w http.ResponseWriter, r *http.Request)
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builder := h.store.NewEntryQueryBuilder(user.ID)
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builder.WithSearchQuery(searchQuery)
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builder.WithoutStatus(model.EntryStatusRemoved)
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builder.WithOrder(model.DefaultSortingOrder)
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builder.WithDirection(user.EntryDirection)
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builder.WithOffset(offset)
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builder.WithLimit(nbItemsPerPage)
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