diff options
| -rw-r--r-- | changelog.d/14397.removal | 1 | ||||
| -rw-r--r-- | synapse/storage/databases/main/search.py | 50 | ||||
| -rw-r--r-- | synapse/storage/engines/postgres.py | 16 | ||||
| -rw-r--r-- | tests/storage/test_room_search.py | 69 |
4 files changed, 41 insertions, 95 deletions
diff --git a/changelog.d/14397.removal b/changelog.d/14397.removal new file mode 100644 index 0000000000..e96b3de2bd --- /dev/null +++ b/changelog.d/14397.removal @@ -0,0 +1 @@ +Remove support for PostgreSQL 10. diff --git a/synapse/storage/databases/main/search.py b/synapse/storage/databases/main/search.py index e9588d1755..3fe433f66c 100644 --- a/synapse/storage/databases/main/search.py +++ b/synapse/storage/databases/main/search.py @@ -463,18 +463,17 @@ class SearchStore(SearchBackgroundUpdateStore): if isinstance(self.database_engine, PostgresEngine): search_query = search_term - tsquery_func = self.database_engine.tsquery_func - sql = f""" - SELECT ts_rank_cd(vector, {tsquery_func}('english', ?)) AS rank, + sql = """ + SELECT ts_rank_cd(vector, websearch_to_tsquery('english', ?)) AS rank, room_id, event_id FROM event_search - WHERE vector @@ {tsquery_func}('english', ?) + WHERE vector @@ websearch_to_tsquery('english', ?) """ args = [search_query, search_query] + args - count_sql = f""" + count_sql = """ SELECT room_id, count(*) as count FROM event_search - WHERE vector @@ {tsquery_func}('english', ?) + WHERE vector @@ websearch_to_tsquery('english', ?) """ count_args = [search_query] + count_args elif isinstance(self.database_engine, Sqlite3Engine): @@ -523,9 +522,7 @@ class SearchStore(SearchBackgroundUpdateStore): highlights = None if isinstance(self.database_engine, PostgresEngine): - highlights = await self._find_highlights_in_postgres( - search_query, events, tsquery_func - ) + highlights = await self._find_highlights_in_postgres(search_query, events) count_sql += " GROUP BY room_id" @@ -604,18 +601,17 @@ class SearchStore(SearchBackgroundUpdateStore): if isinstance(self.database_engine, PostgresEngine): search_query = search_term - tsquery_func = self.database_engine.tsquery_func - sql = f""" - SELECT ts_rank_cd(vector, {tsquery_func}('english', ?)) as rank, + sql = """ + SELECT ts_rank_cd(vector, websearch_to_tsquery('english', ?)) as rank, origin_server_ts, stream_ordering, room_id, event_id FROM event_search - WHERE vector @@ {tsquery_func}('english', ?) AND + WHERE vector @@ websearch_to_tsquery('english', ?) AND """ args = [search_query, search_query] + args - count_sql = f""" + count_sql = """ SELECT room_id, count(*) as count FROM event_search - WHERE vector @@ {tsquery_func}('english', ?) AND + WHERE vector @@ websearch_to_tsquery('english', ?) AND """ count_args = [search_query] + count_args elif isinstance(self.database_engine, Sqlite3Engine): @@ -686,9 +682,7 @@ class SearchStore(SearchBackgroundUpdateStore): highlights = None if isinstance(self.database_engine, PostgresEngine): - highlights = await self._find_highlights_in_postgres( - search_query, events, tsquery_func - ) + highlights = await self._find_highlights_in_postgres(search_query, events) count_sql += " GROUP BY room_id" @@ -714,7 +708,7 @@ class SearchStore(SearchBackgroundUpdateStore): } async def _find_highlights_in_postgres( - self, search_query: str, events: List[EventBase], tsquery_func: str + self, search_query: str, events: List[EventBase] ) -> Set[str]: """Given a list of events and a search term, return a list of words that match from the content of the event. @@ -725,7 +719,6 @@ class SearchStore(SearchBackgroundUpdateStore): Args: search_query events: A list of events - tsquery_func: The tsquery_* function to use when making queries Returns: A set of strings. @@ -758,13 +751,16 @@ class SearchStore(SearchBackgroundUpdateStore): while stop_sel in value: stop_sel += ">" - query = f"SELECT ts_headline(?, {tsquery_func}('english', ?), %s)" % ( - _to_postgres_options( - { - "StartSel": start_sel, - "StopSel": stop_sel, - "MaxFragments": "50", - } + query = ( + "SELECT ts_headline(?, websearch_to_tsquery('english', ?), %s)" + % ( + _to_postgres_options( + { + "StartSel": start_sel, + "StopSel": stop_sel, + "MaxFragments": "50", + } + ) ) ) txn.execute(query, (value, search_query)) diff --git a/synapse/storage/engines/postgres.py b/synapse/storage/engines/postgres.py index 0c4fd88914..719a517336 100644 --- a/synapse/storage/engines/postgres.py +++ b/synapse/storage/engines/postgres.py @@ -170,22 +170,6 @@ class PostgresEngine( """Do we support the `RETURNING` clause in insert/update/delete?""" return True - @property - def tsquery_func(self) -> str: - """ - Selects a tsquery_* func to use. - - Ref: https://www.postgresql.org/docs/current/textsearch-controls.html - - Returns: - The function name. - """ - # Postgres 11 added support for websearch_to_tsquery. - assert self._version is not None - if self._version >= 110000: - return "websearch_to_tsquery" - return "plainto_tsquery" - def is_deadlock(self, error: Exception) -> bool: if isinstance(error, psycopg2.DatabaseError): # https://www.postgresql.org/docs/current/static/errcodes-appendix.html diff --git a/tests/storage/test_room_search.py b/tests/storage/test_room_search.py index 868b5bee84..ef850daa73 100644 --- a/tests/storage/test_room_search.py +++ b/tests/storage/test_room_search.py @@ -12,9 +12,8 @@ # See the License for the specific language governing permissions and # limitations under the License. -from typing import List, Tuple, Union +from typing import List, Tuple from unittest.case import SkipTest -from unittest.mock import PropertyMock, patch from twisted.test.proto_helpers import MemoryReactor @@ -220,10 +219,8 @@ class MessageSearchTest(HomeserverTestCase): PHRASE = "the quick brown fox jumps over the lazy dog" - # Each entry is a search query, followed by either a boolean of whether it is - # in the phrase OR a tuple of booleans: whether it matches using websearch - # and using plain search. - COMMON_CASES: List[Tuple[str, Union[bool, Tuple[bool, bool]]]] = [ + # Each entry is a search query, followed by a boolean of whether it is in the phrase. + COMMON_CASES = [ ("nope", False), ("brown", True), ("quick brown", True), @@ -231,13 +228,13 @@ class MessageSearchTest(HomeserverTestCase): ("quick \t brown", True), ("jump", True), ("brown nope", False), - ('"brown quick"', (False, True)), + ('"brown quick"', False), ('"jumps over"', True), - ('"quick fox"', (False, True)), + ('"quick fox"', False), ("nope OR doublenope", False), - ("furphy OR fox", (True, False)), - ("fox -nope", (True, False)), - ("fox -brown", (False, True)), + ("furphy OR fox", True), + ("fox -nope", True), + ("fox -brown", False), ('"fox" quick', True), ('"quick brown', True), ('" quick "', True), @@ -246,11 +243,11 @@ class MessageSearchTest(HomeserverTestCase): # TODO Test non-ASCII cases. # Case that fail on SQLite. - POSTGRES_CASES: List[Tuple[str, Union[bool, Tuple[bool, bool]]]] = [ + POSTGRES_CASES = [ # SQLite treats NOT as a binary operator. - ("- fox", (False, True)), - ("- nope", (True, False)), - ('"-fox quick', (False, True)), + ("- fox", False), + ("- nope", True), + ('"-fox quick', False), # PostgreSQL skips stop words. ('"the quick brown"', True), ('"over lazy"', True), @@ -275,7 +272,7 @@ class MessageSearchTest(HomeserverTestCase): if isinstance(main_store.database_engine, PostgresEngine): assert main_store.database_engine._version is not None found = main_store.database_engine._version < 140000 - self.COMMON_CASES.append(('"fox quick', (found, True))) + self.COMMON_CASES.append(('"fox quick', found)) def test_tokenize_query(self) -> None: """Test the custom logic to tokenize a user's query.""" @@ -315,16 +312,10 @@ class MessageSearchTest(HomeserverTestCase): ) def _check_test_cases( - self, - store: DataStore, - cases: List[Tuple[str, Union[bool, Tuple[bool, bool]]]], - index=0, + self, store: DataStore, cases: List[Tuple[str, bool]] ) -> None: # Run all the test cases versus search_msgs for query, expect_to_contain in cases: - if isinstance(expect_to_contain, tuple): - expect_to_contain = expect_to_contain[index] - result = self.get_success( store.search_msgs([self.room_id], query, ["content.body"]) ) @@ -343,9 +334,6 @@ class MessageSearchTest(HomeserverTestCase): # Run them again versus search_rooms for query, expect_to_contain in cases: - if isinstance(expect_to_contain, tuple): - expect_to_contain = expect_to_contain[index] - result = self.get_success( store.search_rooms([self.room_id], query, ["content.body"], 10) ) @@ -366,38 +354,15 @@ class MessageSearchTest(HomeserverTestCase): """ Test searching for phrases using typical web search syntax, as per postgres' websearch_to_tsquery. This test is skipped unless the postgres instance supports websearch_to_tsquery. - """ - - store = self.hs.get_datastores().main - if not isinstance(store.database_engine, PostgresEngine): - raise SkipTest("Test only applies when postgres is used as the database") - - if store.database_engine.tsquery_func != "websearch_to_tsquery": - raise SkipTest( - "Test only applies when postgres supporting websearch_to_tsquery is used as the database" - ) - self._check_test_cases(store, self.COMMON_CASES + self.POSTGRES_CASES, index=0) - - def test_postgres_non_web_search_for_phrase(self): - """ - Test postgres searching for phrases without using web search, which is used when websearch_to_tsquery isn't - supported by the current postgres version. + See https://www.postgresql.org/docs/current/textsearch-controls.html """ store = self.hs.get_datastores().main if not isinstance(store.database_engine, PostgresEngine): raise SkipTest("Test only applies when postgres is used as the database") - # Patch supports_websearch_to_tsquery to always return False to ensure we're testing the plainto_tsquery path. - with patch( - "synapse.storage.engines.postgres.PostgresEngine.tsquery_func", - new_callable=PropertyMock, - ) as supports_websearch_to_tsquery: - supports_websearch_to_tsquery.return_value = "plainto_tsquery" - self._check_test_cases( - store, self.COMMON_CASES + self.POSTGRES_CASES, index=1 - ) + self._check_test_cases(store, self.COMMON_CASES + self.POSTGRES_CASES) def test_sqlite_search(self): """ @@ -407,4 +372,4 @@ class MessageSearchTest(HomeserverTestCase): if not isinstance(store.database_engine, Sqlite3Engine): raise SkipTest("Test only applies when sqlite is used as the database") - self._check_test_cases(store, self.COMMON_CASES, index=0) + self._check_test_cases(store, self.COMMON_CASES) |