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Numeric ID checker now checks @0, don't ratelimit on checking

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Andrew Morgan 2019-11-06 11:55:00 +00:00
parent 807ec3bd99
commit b33c4f7a82
2 changed files with 29 additions and 20 deletions
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8
synapse/storage/data_stores/main/registration.py
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@ -488,14 +488,14 @@ class RegistrationWorkerStore(SQLBaseStore):
we can. Unfortunately, it's possible some of them are already taken by
existing users, and there may be gaps in the already taken range. This
function returns the start of the first allocatable gap. This is to
avoid the case of ID 10000000 being pre-allocated, so us wasting the
first (and shortest) many generated user IDs.
avoid the case of ID 1000 being pre-allocated and starting at 1001 while
0-999 are available.
"""
def _find_next_generated_user_id(txn):
# We bound between '@1' and '@a' to avoid pulling the entire table
# We bound between '@0' and '@a' to avoid pulling the entire table
# out.
txn.execute("SELECT name FROM users WHERE '@1' <= name AND name < '@a'")
txn.execute("SELECT name FROM users WHERE '@0' <= name AND name < '@a'")
regex = re.compile(r"^@(\d+):")