1

Is there a way to query table with the value of a particular data field (for example, a token value) when using 'get_table rpc'? Only users whose token value is greater than 30 are output.

0

You can use get_table_rows with index_position, key_type, and encode_type options or use get_table_by_scope with other options like lower_bound, upper_bound, limit, and reverse

I will leave links to those API and one to cleos get table which uses the same API and should help you get a grasp of their usage.

| improve this answer | |
  • Thank you for your reply. But are there any examples that are clearly visible? – Taby Feb 26 '19 at 7:57
0

No, you can't. You can make a query with a value only when its index exists. For example, if you want to find token balance larger than some amount, its multi_index would be like this:

struct [[eosio::table]] accounts {
  name owner; // eosio.token doesn't have this field, because owner is scope
  asset balance;

  uint64_t primary_key() const { return owner.value; }
  uint64_t by_balance() const { return static_cast<uint64_t>(balance.amount); }
};

typedef eosio::multi_index<"accounts"_n, accounts,
   indexed_by<"balance"_n, const_mem_fun<accounts, uint64_t, &accounts::by_balance>>
> accounts_index;
| improve this answer | |

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.