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14 → 12 checksum digits to support mssql #718

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Oct 2, 2023
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14 → 12 checksum digits to support mssql #718

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3 changes: 1 addition & 2 deletions data_diff/databases/base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1140,8 +1140,7 @@ def is_autocommit(self) -> bool:
return False


# TODO FYI mssql md5_as_int currently requires this to be reduced
CHECKSUM_HEXDIGITS = 14 # Must be 15 or lower, otherwise SUM() overflows
CHECKSUM_HEXDIGITS = 12 # Must be 12 or lower, otherwise SUM() overflows
MD5_HEXDIGITS = 32

_CHECKSUM_BITSIZE = CHECKSUM_HEXDIGITS << 2
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