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Change the implementation to not do case insensitive comparison, because no other part of calibre does that with composites. For correctness get the split value from field metadata, even though at the moment it can only be a comma.

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Return a list for compatibility with other field getters. There are a fair number of places that do isinstance(v, list).
This commit is contained in:
Charles Haley 2022-12-18 11:32:32 +00:00
parent 45275a4824
commit f1f597a06b
1 changed files with 7 additions and 6 deletions
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13
src/calibre/db/cache.py
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@ -2350,17 +2350,18 @@ class Cache:
return self._books_for_field(f.name, int(item_id_or_composite_value)) return self._books_for_field(f.name, int(item_id_or_composite_value))
@read_api @read_api
def split_if_is_multiple_composite(self, f, v): def split_if_is_multiple_composite(self, f, val):
''' '''
If f is a composite column lookup key and the column is is_multiple then If f is a composite column lookup key and the column is is_multiple then
split comma-separated v into unique non-empty values. The uniqueness split v into unique non-empty values. The comparison is case sensitive.
comparison is case-insensitive. If values are case-insensitive equals Order is not preserved. Return a list() for compatibility with proxy
then the last is returned. metadata field getters, for example tags.
''' '''
fm = self.field_metadata.get(f, None) fm = self.field_metadata.get(f, None)
if fm and fm['datatype'] == 'composite' and fm['is_multiple']: if fm and fm['datatype'] == 'composite' and fm['is_multiple']:
return list({v.strip().lower() : v.strip() for v in v.split(',') if v.strip()}.values()) sep = fm['is_multiple'].get('cache_to_list', ',')
return v return (list(set(v.strip() for v in val.split(sep) if v.strip())))
return val
@read_api @read_api
def data_for_find_identical_books(self): def data_for_find_identical_books(self):