37 lines
1.3 KiB
Python
37 lines
1.3 KiB
Python
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# Copyright 2021 The Matrix.org Foundation C.I.C.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from typing import Optional
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from synapse.storage._base import SQLBaseStore
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class RoomBatchStore(SQLBaseStore):
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async def get_insertion_event_by_chunk_id(self, chunk_id: str) -> Optional[str]:
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"""Retrieve a insertion event ID.
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Args:
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chunk_id: The chunk ID of the insertion event to retrieve.
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Returns:
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The event_id of an insertion event, or None if there is no known
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insertion event for the given insertion event.
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"""
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return await self.db_pool.simple_select_one_onecol(
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table="insertion_events",
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keyvalues={"next_chunk_id": chunk_id},
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retcol="event_id",
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allow_none=True,
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)
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