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This commit is contained in:
Erik Johnston 2015-11-12 15:33:47 +00:00
parent 764e79d051
commit 8fd8e72cec

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@ -254,6 +254,12 @@ class SearchStore(BackgroundUpdateStore):
elif isinstance(self.database_engine, Sqlite3Engine): elif isinstance(self.database_engine, Sqlite3Engine):
# We use CROSS JOIN here to ensure we use the right indexes. # We use CROSS JOIN here to ensure we use the right indexes.
# https://sqlite.org/optoverview.html#crossjoin # https://sqlite.org/optoverview.html#crossjoin
#
# We want to use the full text search index on event_search to
# extract all possible matches first, then lookup those matches
# in the events table to get the topological ordering. We need
# to use the indexes in this order because sqlite refuses to
# MATCH unless it uses the full text search index
sql = ( sql = (
"SELECT rank(matchinfo) as rank, room_id, event_id," "SELECT rank(matchinfo) as rank, room_id, event_id,"
" topological_ordering, stream_ordering" " topological_ordering, stream_ordering"