def select_storage(
self, query: Query, request_settings: RequestSettings
) -> StorageAndMappers:
granularity = extract_granularity_from_query(query, "started") or 3600
use_materialized_storage = granularity >= 3600 and (granularity % 3600) == 0
metrics.increment(
"query.selector",
tags={
"selected_storage": "materialized"
if use_materialized_storage
else "raw",
},
)
allow_subhour_sessions = state.get_config("allow_subhour_sessions", 0)
if not allow_subhour_sessions:
use_materialized_storage = True
if use_materialized_storage:
return StorageAndMappers(
self.materialized_storage, sessions_hourly_translators
)
else:
return StorageAndMappers(self.raw_storage, sessions_raw_translators)
def select_storage(self, query: Query,
request_settings: RequestSettings) -> StorageAndMappers:
use_readonly_storage = (state.get_config(
"enable_events_readonly_table", False)
and not request_settings.get_consistent())
storage = (self.__events_ro_table
if use_readonly_storage else self.__events_table)
return StorageAndMappers(storage, event_translator)
def select_storage(self, query: Query,
query_settings: QuerySettings) -> StorageAndMappers:
readonly_referrer = (
query_settings.referrer
in settings.TRANSACTIONS_DIRECT_TO_READONLY_REFERRERS)
use_readonly_storage = readonly_referrer or state.get_config(
"enable_transactions_readonly_table", False)
storage = (self.__transactions_ro_table
if use_readonly_storage else self.__transactions_table)
return StorageAndMappers(storage, self.__mappers)
def select_storage(self, query: Query,
request_settings: RequestSettings) -> StorageAndMappers:
table = detect_table(
query,
self.__abstract_events_columns,
self.__abstract_transactions_columns,
True,
)
if table == TRANSACTIONS:
return StorageAndMappers(self.__transactions_table,
self.__transaction_translator)
else:
use_readonly_storage = (state.get_config(
"enable_events_readonly_table", False)
and not request_settings.get_consistent())
return (StorageAndMappers(self.__events_ro_table,
self.__event_translator)
if use_readonly_storage else StorageAndMappers(
self.__events_table, self.__event_translator))
def select_storage(self, query: Query,
query_settings: QuerySettings) -> StorageAndMappers:
# If the passed in `query_settings` arg is an instance of `SubscriptionQuerySettings`,
# then it is a crash rate alert subscription, and hence we decide on whether to use the
# materialized storage or the raw storage by examining the time_window.
# If the `time_window` <=1h, then select the raw storage otherwise select materialized
# storage
# NOTE: If we were to support other types of subscriptions over the sessions dataset that
# do not follow this method used to identify which storage to use, we would need to
# find a different way to distinguish them.
if isinstance(query_settings, SubscriptionQuerySettings):
from_date, to_date = get_time_range(query, "started")
if from_date and to_date:
use_materialized_storage = to_date - from_date > timedelta(
hours=1)
else:
use_materialized_storage = True
else:
granularity = extract_granularity_from_query(query,
"started") or 3600
use_materialized_storage = granularity >= 3600 and (granularity %
3600) == 0
metrics.increment(
"query.selector",
tags={
"selected_storage":
"materialized" if use_materialized_storage else "raw",
},
)
if use_materialized_storage:
return StorageAndMappers(self.materialized_storage,
sessions_hourly_translators)
else:
return StorageAndMappers(self.raw_storage,
sessions_raw_translators)
