Modify query in SearchBoardsForUser to use union. (#4312)
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Doug Lauder
GitHub
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commit
1d0fda2f7d
1 changed files with 76 additions and 37 deletions
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@ -671,28 +671,87 @@ func (s *MattermostAuthLayer) baseUserQuery(showEmail, showName bool) sq.SelectB
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// they're open, regardless of the user membership.
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// Search is case-insensitive.
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func (s *MattermostAuthLayer) SearchBoardsForUser(term, userID string, includePublicBoards bool) ([]*model.Board, error) {
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query := s.getQueryBuilder().
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Select(boardFields("b.")...).
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From(s.tablePrefix + "boards as b").
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LeftJoin(s.tablePrefix + "board_members as bm on b.id=bm.board_id").
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LeftJoin("TeamMembers as tm on tm.teamid=b.team_id").
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LeftJoin("ChannelMembers as cm on cm.channelId=b.channel_id").
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Where(sq.Eq{"b.is_template": false}).
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Where(sq.Eq{"tm.userID": userID}).
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Where(sq.Eq{"tm.deleteAt": 0})
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var boardMembersWhere sq.Or
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var channelMembersWhere sq.Or
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if includePublicBoards {
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query = query.Where(sq.Or{
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boardMembersWhere = sq.Or{
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sq.Eq{"b.type": model.BoardTypeOpen},
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sq.Eq{"bm.user_id": userID},
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sq.Eq{"cm.userId": userID},
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})
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} else {
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query = query.Where(sq.Or{
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sq.Eq{"bm.user_id": userID},
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sq.Eq{"cm.userId": userID},
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})
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}
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channelMembersWhere = sq.Or{
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sq.Eq{"b.type": model.BoardTypeOpen},
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sq.Eq{"cm.userId": userID},
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}
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} else {
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boardMembersWhere = sq.Or{
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sq.Eq{"bm.user_id": userID},
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}
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channelMembersWhere = sq.Or{
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sq.Eq{"cm.userId": userID},
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}
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}
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boardMembersQ := s.getQueryBuilder().
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Select(boardFields("b.")...).
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From(s.tablePrefix + "boards as b").
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Join(s.tablePrefix + "board_members as bm on b.id=bm.board_id").
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Where(sq.Eq{
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"b.is_template": false,
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}).
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Where(boardMembersWhere)
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teamMembersQ := s.getQueryBuilder().
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Select(boardFields("b.")...).
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From(s.tablePrefix + "boards as b").
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Join("TeamMembers as tm on tm.teamid=b.team_id").
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Where(sq.Eq{
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"b.is_template": false,
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"tm.userID": userID,
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"tm.deleteAt": 0,
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})
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channelMembersQ := s.getQueryBuilder().
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Select(boardFields("b.")...).
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From(s.tablePrefix + "boards as b").
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Join("ChannelMembers as cm on cm.channelId=b.channel_id").
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Where(sq.Eq{
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"b.is_template": false,
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}).
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Where(channelMembersWhere)
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if term != "" {
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// break search query into space separated words
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// and search for all words.
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// This should later be upgraded to industrial-strength
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// word tokenizer, that uses much more than space
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// to break words.
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conditions := sq.And{}
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for _, word := range strings.Split(strings.TrimSpace(term), " ") {
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conditions = append(conditions, sq.Like{"lower(b.title)": "%" + strings.ToLower(word) + "%"})
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}
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boardMembersQ = boardMembersQ.Where(conditions)
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teamMembersQ = teamMembersQ.Where(conditions)
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channelMembersQ = channelMembersQ.Where(conditions)
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}
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teamMembersSQL, teamMembersArgs, err := teamMembersQ.ToSql()
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if err != nil {
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return nil, fmt.Errorf("SearchBoardsForUser error getting teamMembersSQL: %w", err)
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}
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channelMembersSQL, channelMembersArgs, err := channelMembersQ.ToSql()
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if err != nil {
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return nil, fmt.Errorf("SearchBoardsForUser error getting channelMembersSQL: %w", err)
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}
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unionQ := boardMembersQ.
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Prefix("(").
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Suffix(") UNION ("+teamMembersSQL, teamMembersArgs...).
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Suffix(") UNION ("+channelMembersSQL+")", channelMembersArgs...)
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user, err := s.GetUserByID(userID)
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if err != nil {
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@ -712,35 +771,17 @@ func (s *MattermostAuthLayer) SearchBoardsForUser(term, userID string, includePu
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boardIDs = append(boardIDs, m.BoardID)
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}
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// Only explicit memberships for guests
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query = query.Where(sq.Eq{"b.id": boardIDs})
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unionQ = unionQ.Where(sq.Eq{"b.id": boardIDs})
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}
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if term != "" {
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// break search query into space separated words
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// and search for all words.
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// This should later be upgraded to industrial-strength
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// word tokenizer, that uses much more than space
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// to break words.
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conditions := sq.And{}
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for _, word := range strings.Split(strings.TrimSpace(term), " ") {
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conditions = append(conditions, sq.Like{"lower(b.title)": "%" + strings.ToLower(word) + "%"})
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}
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query = query.Where(conditions)
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}
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rows, err := query.Query()
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rows, err := unionQ.Query()
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if err != nil {
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s.logger.Error(`searchBoardsForUser ERROR`, mlog.Err(err))
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return nil, err
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}
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defer s.CloseRows(rows)
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// de-duplicate manually since adding `distinct` to the query increased cost by 15X.
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// the result set for any user should be reasonably small as its based on their channel membership.
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return s.boardsFromRows(rows, true)
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return s.boardsFromRows(rows, false)
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}
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// searchBoardsForUserInTeam returns all boards that match with the
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@ -819,9 +860,7 @@ func (s *MattermostAuthLayer) SearchBoardsForUserInTeam(teamID, term, userID str
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}
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defer s.CloseRows(rows)
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// de-duplicate manually since adding `distinct` to the query increased cost by 15X.
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// the result set for any user should be reasonably small as its based on their channel membership.
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return s.boardsFromRows(rows, true)
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return s.boardsFromRows(rows, false)
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}
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func (s *MattermostAuthLayer) boardsFromRows(rows *sql.Rows, removeDuplicates bool) ([]*model.Board, error) {
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