Simplified error handling of do_step as any error code can be returned by prepare_v2

c_src/esqlite3_nif.c

@@ -511,14 +511,8 @@ do_step(ErlNifEnv *env, sqlite3 *db, sqlite3_stmt *stmt)
     if(rc == SQLITE_BUSY)
 	    return make_atom(env, "$busy");
 
-    if(rc == SQLITE_ERROR)
-        return make_sqlite3_error_tuple(env, rc, db);
-    if(rc == SQLITE_MISUSE)
-        return make_error_tuple(env, "misuse");
-    if(rc == SQLITE_CONSTRAINT)
-        return make_sqlite3_error_tuple(env, rc, db);
-
-    return make_error_tuple(env, "unexpected_return_value");
+    /* We use prepare_v2, so any error code can be returned. */
+    return make_sqlite3_error_tuple(env, rc, db);
 }
 
 static ERL_NIF_TERM

test/esqlite_test.erl

@@ -213,7 +213,7 @@ error1_msg_test() ->
     
     %% Database test does not exist.
     {error, {sqlite_error, _Msg2}} = esqlite3:exec("select * from test;", Db),
-    
+
     %% Opening non-existant database.
     {error, {cantopen, _Msg3}} = esqlite3:open("/dit/bestaat/niet"),
     ok.