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Update users table in a batched manner
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commit
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1 changed files with 13 additions and 8 deletions
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@ -52,12 +52,17 @@ def run_upgrade(cur, database_engine, config, *args, **kwargs):
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" service (IDs %s and %s); assigning arbitrarily to %s" %
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(user_id, owned[user_id], appservice.id, owned[user_id])
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)
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owned[user_id] = appservice.id
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owned.setdefault(appservice.id, []).append(user_id)
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for user_id, as_id in owned.items():
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cur.execute(
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database_engine.convert_param_style(
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"UPDATE users SET appservice_id = ? WHERE name = ?"
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),
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(as_id, user_id)
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)
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for as_id, user_ids in owned.items():
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n = 100
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user_chunks = (user_ids[i:i + 100] for i in xrange(0, len(user_ids), n))
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for chunk in user_chunks:
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cur.execute(
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database_engine.convert_param_style(
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"UPDATE users SET appservice_id = ? WHERE name IN (%s)" % (
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",".join("?" for _ in chunk),
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)
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),
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[as_id] + chunk
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)
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