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Include joined and invite member counts in room summary (#2315)

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* Include joined and invite member counts in room summary

This should fix #2314 and also fix the problem where some clients like Element Android, Fluffychat etc would display the wrong member count for a given room.

* Improve SQLite query precision

* Check existence of state key for membership events
This commit is contained in:
Neil Alexander 2022-04-01 16:14:38 +01:00 • committed by GitHub
parent 8213b2ba30
commit cd8fac152e
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8 changed files with 72 additions and 4 deletions
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21
syncapi/storage/postgres/memberships_table.go
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@ -62,9 +62,15 @@ const selectMembershipSQL = "" +
" ORDER BY stream_pos DESC" +
" LIMIT 1"
const selectMembershipCountSQL = "" +
"SELECT COUNT(*) FROM (" +
" SELECT DISTINCT ON (room_id, user_id) room_id, user_id, membership FROM syncapi_memberships WHERE room_id = $1 AND stream_pos <= $2 ORDER BY room_id, user_id, stream_pos DESC" +
") t WHERE t.membership = $3"
type membershipsStatements struct {
upsertMembershipStmt *sql.Stmt
selectMembershipStmt *sql.Stmt
upsertMembershipStmt *sql.Stmt
selectMembershipStmt *sql.Stmt
selectMembershipCountStmt *sql.Stmt
}
func NewPostgresMembershipsTable(db *sql.DB) (tables.Memberships, error) {
@ -79,6 +85,9 @@ func NewPostgresMembershipsTable(db *sql.DB) (tables.Memberships, error) {
if s.selectMembershipStmt, err = db.Prepare(selectMembershipSQL); err != nil {
return nil, err
}
if s.selectMembershipCountStmt, err = db.Prepare(selectMembershipCountSQL); err != nil {
return nil, err
}
return s, nil
}
@ -109,3 +118,11 @@ func (s *membershipsStatements) SelectMembership(
err = stmt.QueryRowContext(ctx, roomID, userID, memberships).Scan(&eventID, &streamPos, &topologyPos)
return
}
func (s *membershipsStatements) SelectMembershipCount(
ctx context.Context, txn *sql.Tx, roomID, membership string, pos types.StreamPosition,
) (count int, err error) {
stmt := sqlutil.TxStmt(txn, s.selectMembershipCountStmt)
err = stmt.QueryRowContext(ctx, roomID, pos, membership).Scan(&count)
return
}