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Register Table.convert() functions under their own name

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This commit is contained in:
Martin Carpenter 2023-02-09 00:05:57 +01:00
commit a158445db5
1 changed files with 6 additions and 3 deletions
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9
sqlite_utils/db.py
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@ -2664,13 +2664,16 @@ class Table(Queryable):
return v return v
return jsonify_if_needed(fn(v)) return jsonify_if_needed(fn(v))
self.db.register_function(convert_value) fn_name = fn.__name__
if fn_name == '<lambda>':
fn_name = f'lambda_{hash(fn)}'
self.db.register_function(convert_value, name=fn_name)
sql = "update [{table}] set {sets}{where};".format( sql = "update [{table}] set {sets}{where};".format(
table=self.name, table=self.name,
sets=", ".join( sets=", ".join(
[ [
"[{output_column}] = convert_value([{column}])".format( "[{output_column}] = {fn_name}([{column}])".format(
output_column=output or column, column=column output_column=output or column, column=column, fn_name=fn_name
) )
for column in columns for column in columns
] ]