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Add a note about get_item_id() being slow

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Kovid Goyal 2024-09-14 08:50:30 +05:30
parent 917f82385a
commit d5d0a97d37
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1 changed files with 2 additions and 1 deletions
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src/calibre/db/cache.py
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@ -947,7 +947,8 @@ class Cache:
@read_api @read_api
def get_item_id(self, field, item_name): def get_item_id(self, field, item_name):
' Return the item id for item_name (case-insensitive) or None if not found ' '''' Return the item id for item_name (case-insensitive) or None if not found.
This function is very slow if doing lookups for multiple names use either get_item_ids() or get_item_name_map(). '''
q = icu_lower(item_name) q = icu_lower(item_name)
try: try:
for item_id, item_val in self.fields[field].table.id_map.items(): for item_id, item_val in self.fields[field].table.id_map.items():