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Teach portdb about un_partial_stated_event_stream (#15108)

* Sort BOOLEAN_COLUMNS and APPEND_ONLY_TABLES

So I can see if a given table is present in logarithmic time, rather
than linear.

* Teach portdb about `un_partial_stated_event_streams`

* Comments comments comments

* Changelog
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David Robertson 2023-02-20 13:35:24 +00:00 committed by GitHub
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commit e26d7d5ae7
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2 changed files with 54 additions and 34 deletions

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changelog.d/15108.bugfix Normal file
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@ -0,0 +1 @@
Fix a bug introduced in Synapse 1.75 where the [portdb script](https://matrix-org.github.io/synapse/release-v1.78/postgres.html#porting-from-sqlite) would fail to run after a room had been faster-joined.

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@ -94,61 +94,80 @@ reactor = cast(ISynapseReactor, reactor_)
logger = logging.getLogger("synapse_port_db")
# SQLite doesn't have a dedicated boolean type (it stores True/False as 1/0). This means
# portdb will read sqlite bools as integers, then try to insert them into postgres
# boolean columns---which fails. Lacking some Python-parseable metaschema, we must
# specify which integer columns should be inserted as booleans into postgres.
BOOLEAN_COLUMNS = {
"events": ["processed", "outlier", "contains_url"],
"rooms": ["is_public", "has_auth_chain_index"],
"access_tokens": ["used"],
"account_validity": ["email_sent"],
"device_lists_changes_in_room": ["converted_to_destinations"],
"device_lists_outbound_pokes": ["sent"],
"devices": ["hidden"],
"e2e_fallback_keys_json": ["used"],
"e2e_room_keys": ["is_verified"],
"event_edges": ["is_state"],
"events": ["processed", "outlier", "contains_url"],
"local_media_repository": ["safe_from_quarantine"],
"presence_list": ["accepted"],
"presence_stream": ["currently_active"],
"public_room_list_stream": ["visibility"],
"devices": ["hidden"],
"device_lists_outbound_pokes": ["sent"],
"users_who_share_rooms": ["share_private"],
"e2e_room_keys": ["is_verified"],
"account_validity": ["email_sent"],
"pushers": ["enabled"],
"redactions": ["have_censored"],
"room_stats_state": ["is_federatable"],
"local_media_repository": ["safe_from_quarantine"],
"rooms": ["is_public", "has_auth_chain_index"],
"users": ["shadow_banned", "approved"],
"e2e_fallback_keys_json": ["used"],
"access_tokens": ["used"],
"device_lists_changes_in_room": ["converted_to_destinations"],
"pushers": ["enabled"],
"un_partial_stated_event_stream": ["rejection_status_changed"],
"users_who_share_rooms": ["share_private"],
}
# These tables are never deleted from in normal operation [*], so we can resume porting
# over rows from a previous attempt rather than starting from scratch.
#
# [*]: We do delete from many of these tables when purging a room, and
# presumably when purging old events. So we might e.g.
#
# 1. Run portdb and port half of some table.
# 2. Stop portdb.
# 3. Purge something, deleting some of the rows we've ported over.
# 4. Restart portdb. The rows deleted from sqlite are still present in postgres.
#
# But this isn't the end of the world: we should be able to repeat the purge
# on the postgres DB when porting completes.
APPEND_ONLY_TABLES = [
"event_reference_hashes",
"events",
"cache_invalidation_stream_by_instance",
"event_auth",
"event_edges",
"event_json",
"state_events",
"room_memberships",
"topics",
"room_names",
"rooms",
"event_reference_hashes",
"event_search",
"event_to_state_groups",
"events",
"ex_outlier_stream",
"local_media_repository",
"local_media_repository_thumbnails",
"presence_stream",
"public_room_list_stream",
"push_rules_stream",
"received_transactions",
"redactions",
"rejections",
"remote_media_cache",
"remote_media_cache_thumbnails",
"redactions",
"event_edges",
"event_auth",
"received_transactions",
"room_memberships",
"room_names",
"rooms",
"sent_transactions",
"transaction_id_to_pdu",
"users",
"state_events",
"state_group_edges",
"state_groups",
"state_groups_state",
"event_to_state_groups",
"rejections",
"event_search",
"presence_stream",
"push_rules_stream",
"ex_outlier_stream",
"cache_invalidation_stream_by_instance",
"public_room_list_stream",
"state_group_edges",
"stream_ordering_to_exterm",
"topics",
"transaction_id_to_pdu",
"un_partial_stated_event_stream",
"users",
]