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Fix _decode_default_value to unescape doubled single quotes in string defaults (#811)

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* Fix _decode_default_value to unescape doubled single quotes in string defaults

SQLite stores string defaults with single quotes doubled (e.g. DEFAULT 'O''Brien'
is stored as the literal "'O''Brien'" in sqlite_master). The previous code
stripped the outer quotes with value[1:-1] but never converted '' back to ',
so default_values returned the raw escaped form instead of the true string value.

* Test for doubled single quotes in string defaults
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ikatyal2110 2026-07-25 23:52:04 -05:00 • committed by GitHub
commit 6a456830ca
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2 changed files with 13 additions and 2 deletions
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4
sqlite_utils/db.py
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@ -5108,8 +5108,8 @@ def resolve_extracts(
def _decode_default_value(value: str) -> object:
if value.startswith("'") and value.endswith("'"):
# It's a string
return value[1:-1]
# It's a string; unescape doubled single quotes
return value[1:-1].replace("''", "'")
if value.isdigit():
# It's an integer
return int(value)