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import: Narrow the id-window to just the current realm.

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On multi-realm systems this results in traversal of all messages in
all realms and returns a massive payload of 1 row per stream on 
the server, not the intended one row per realm.
This commit is contained in:
M@
2022-11-03 15:13:43 -04:00
committed by GitHub
parent 7021852627
commit 47ecd33d3a
1 changed files with 6 additions and 3 deletions
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9
zerver/lib/import_realm.py
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@@ -1328,7 +1328,8 @@ def do_import_realm(import_dir: Path, subdomain: str, processes: int = 1) -> Rea
bulk_import_model(data, Reaction)
# Similarly, we need to recalculate the first_message_id for stream objects.
update_first_message_id_query = """
update_first_message_id_query = SQL(
"""
UPDATE zerver_stream
SET first_message_id = subquery.first_message_id
FROM (
@@ -1336,13 +1337,15 @@ def do_import_realm(import_dir: Path, subdomain: str, processes: int = 1) -> Rea
FROM zerver_message m
JOIN zerver_recipient r ON
r.id = m.recipient_id
WHERE r.type = 2
WHERE r.type = 2 AND m.realm_id = %(realm_id)s
GROUP BY r.type_id
) AS subquery
WHERE zerver_stream.id = subquery.id
"""
)
with connection.cursor() as cursor:
cursor.execute(update_first_message_id_query)
cursor.execute(update_first_message_id_query, {"realm_id": realm.id})
if "zerver_userstatus" in data:
fix_datetime_fields(data, "zerver_userstatus")