python - IN Query not working for Amazon DynamoDB -


i check retrieve items have attribute value present in list of value provide. below query have searching. unfortunately response return empty list of items. don't understand why case , know correct query.

  def search(self, src_words, translations):     entries = []     query_src_words = [word.decode("utf-8") word in src_words]      params = {       "tablename": self.table,       "filterexpression": "src_word in (:src_words) , src_language = :src_language , target_language = :target_language",       "expressionattributevalues": {         ":src_words": {"ss": query_src_words},         ":src_language": {"s": config["source_language"]},         ":target_language": {"s": config["target_language"]}       }     }     page_iterator = self.paginator.paginate(**params)     page in page_iterator:       entry in page["items"]:          entries.append(entry)     return entries

below table query from. example if list of query_src_word have: [soccer ball, dog] row entry_id=2 should returned

enter image description here

any insights appreciated.

i think because in query_src_word have "soccer_ball" (with underscore), while in database have "soccer ball" (without underscore).

change "soccer_ball" "soccer ball" in query_src_words , should work find


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