message: ALTER/DROP as triggers for table completion
diff: @@ -145,7 +145,7 @@ static vector<string> GenerateSuggestions(ClientContext &context, const string &
  unordered_set<string> suggested_keywords;
  SuggestionState suggest_state = SuggestionState::SUGGEST_KEYWORD;
  case_insensitive_set_t column_name_keywords = {"SELECT", "WHERE", "BY", "HAVING", "QUALIFY", "LIMIT", "SET"};
  - case_insensitive_set_t table_name_keywords = {"FROM", "JOIN", "INSERT", "UPDATE", "DELETE"};
  + case_insensitive_set_t table_name_keywords = {"FROM", "JOIN", "INSERT", "UPDATE", "DELETE", "ALTER", "DROP"};
  case_insensitive_map_t<unordered_set<string>> next_keyword_map;
  next_keyword_map["SELECT"] = {"FROM", "WHERE", "GROUP", "HAVING", "WINDOW", "ORDER", "LIMIT",
  "QUALIFY", "SAMPLE", "VALUES", "UNION", "EXCEPT", "INTERSECT", "DISTINCT"};
  