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Use Postgres ANY for selecting many values. #6156
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This means that we can write queries with `col = ANY(?)`, which helps postgres.
erikjohnston
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FTR I'm not 100% convinced that making the hand written queries more complicated is the right thing to do. |
richvdh
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Oct 10, 2019
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lgtm, but a couple of thoughts.
synapse/storage/_base.py
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A tuple of SQL query and the args | ||
""" | ||
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if isinstance(database_engine, PostgresEngine): |
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i'd be tempted to make this a method on the database engine, but ymmv
synapse/storage/_base.py
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@@ -1693,3 +1695,49 @@ def db_to_json(db_content): | |||
except Exception: | |||
logging.warning("Tried to decode '%r' as JSON and failed", db_content) | |||
raise | |||
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def add_in_list_sql_clause( |
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I'm not convinced that this function adds much in the way of clarity tbh. I'd be inclined to inline it.
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The advantage of doing
col = ANY(?)
rather thancol IN (?,?,?,...)
is mainly to make looking at postgres query stats easier.