14. PostgreSQLにアクセスするので⼊⼒の型が想定
と違うとPSQLExceptionが発⽣したり
example> (find-artists (ds) {:ids ["2"]})
Execution error (PSQLException) at org.postgresql.core.v3.QueryE
xecutorImpl/receiveErrorResponse (QueryExecutorImpl.java:2533).
ERROR: operator does not exist: bigint = character varying
Hint: No operator matches the given name and argument types. Y
ou might need to add explicit type casts.
Position: 32