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Require SQLite >= 3.27.0 (#13760)

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David Robertson 2022-09-09 11:14:10 +01:00 • committed by GitHub
parent 69fa29700e
commit f2d2481e56
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9 changed files with 103 additions and 205 deletions
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47
synapse/storage/database.py
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@ -533,15 +533,14 @@ class DatabasePool:
if isinstance(self.engine, Sqlite3Engine):
self._unsafe_to_upsert_tables.add("user_directory_search")
if self.engine.can_native_upsert:
# Check ASAP (and then later, every 1s) to see if we have finished
# background updates of tables that aren't safe to update.
self._clock.call_later(
0.0,
run_as_background_process,
"upsert_safety_check",
self._check_safe_to_upsert,
)
# Check ASAP (and then later, every 1s) to see if we have finished
# background updates of tables that aren't safe to update.
self._clock.call_later(
0.0,
run_as_background_process,
"upsert_safety_check",
self._check_safe_to_upsert,
)
def name(self) -> str:
"Return the name of this database"
@ -1160,11 +1159,8 @@ class DatabasePool:
attempts = 0
while True:
try:
# We can autocommit if we are going to use native upserts
autocommit = (
self.engine.can_native_upsert
and table not in self._unsafe_to_upsert_tables
)
# We can autocommit if it is safe to upsert
autocommit = table not in self._unsafe_to_upsert_tables
return await self.runInteraction(
desc,
@ -1199,7 +1195,7 @@ class DatabasePool:
) -> bool:
"""
Pick the UPSERT method which works best on the platform. Either the
native one (Pg9.5+, recent SQLites), or fall back to an emulated method.
native one (Pg9.5+, SQLite >= 3.24), or fall back to an emulated method.
Args:
txn: The transaction to use.
@ -1207,14 +1203,15 @@ class DatabasePool:
keyvalues: The unique key tables and their new values
values: The nonunique columns and their new values
insertion_values: additional key/values to use only when inserting
lock: True to lock the table when doing the upsert.
lock: True to lock the table when doing the upsert. Unused when performing
a native upsert.
Returns:
Returns True if a row was inserted or updated (i.e. if `values` is
not empty then this always returns True)
"""
insertion_values = insertion_values or {}
if self.engine.can_native_upsert and table not in self._unsafe_to_upsert_tables:
if table not in self._unsafe_to_upsert_tables:
return self.simple_upsert_txn_native_upsert(
txn, table, keyvalues, values, insertion_values=insertion_values
)
@ -1365,14 +1362,12 @@ class DatabasePool:
value_names: The value column names
value_values: A list of each row's value column values.
Ignored if value_names is empty.
lock: True to lock the table when doing the upsert. Unused if the database engine
supports native upserts.
lock: True to lock the table when doing the upsert. Unused when performing
a native upsert.
"""
# We can autocommit if we are going to use native upserts
autocommit = (
self.engine.can_native_upsert and table not in self._unsafe_to_upsert_tables
)
# We can autocommit if it safe to upsert
autocommit = table not in self._unsafe_to_upsert_tables
await self.runInteraction(
desc,
@ -1406,10 +1401,10 @@ class DatabasePool:
value_names: The value column names
value_values: A list of each row's value column values.
Ignored if value_names is empty.
lock: True to lock the table when doing the upsert. Unused if the database engine
supports native upserts.
lock: True to lock the table when doing the upsert. Unused when performing
a native upsert.
"""
if self.engine.can_native_upsert and table not in self._unsafe_to_upsert_tables:
if table not in self._unsafe_to_upsert_tables:
return self.simple_upsert_many_txn_native_upsert(
txn, table, key_names, key_values, value_names, value_values
)