forks/esqlite
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Added extra function to return a map with error information

Browse Source
This commit is contained in:
Maas-Maarten Zeeman
2022-05-22 22:19:30 +02:00
parent 71ab29c724
commit 135715bf0a
3 changed files with 61 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
c_src/esqlite3_nif.c
View File

@@ -282,7 +282,8 @@ make_extended_error_tuple(ErlNifEnv *env, int code) {
/* internal use only */
return make_two_atom_tuple(env, "ok", "symlink");
}
return enif_make_tuple2(env, make_atom(env, "error"), enif_make_int(env, code));
return enif_make_tuple2(env, make_atom(env, "code"), enif_make_int(env, code));
}
static const char *
@@ -614,6 +615,42 @@ esqlite_close(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[])
return make_atom(env, "ok");
}
/*
* Return a description of the last occurred error.
*/
static ERL_NIF_TERM
esqlite_error_info(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[])
{
esqlite3 *conn;
int rc;
if(argc != 1) {
return enif_make_badarg(env);
}
if(!enif_get_resource(env, argv[0], esqlite3_type, (void **) &conn)) {
return enif_make_badarg(env);
}
if(conn->db == NULL) {
enif_make_badarg(env);
}
int code = sqlite3_extended_errcode(conn->db);
int extended_code = sqlite3_extended_errcode(conn->db);
const char *errstr = sqlite3_errstr(extended_code);
const char *errmsg = sqlite3_errmsg(conn->db);
ERL_NIF_TERM info = enif_make_new_map(env);
enif_make_map_put(env, info, make_atom(env, "errcode"), enif_make_int(env, code), &info);
enif_make_map_put(env, info, make_atom(env, "extended_errcode"), enif_make_int(env, extended_code), &info);
enif_make_map_put(env, info, make_atom(env, "errstr"), make_binary(env, errstr, strlen(errstr)), &info);
enif_make_map_put(env, info, make_atom(env, "errmsg"), make_binary(env, errmsg, strlen(errmsg)), &info);
enif_make_map_put(env, info, make_atom(env, "error_offset"), enif_make_int(env, sqlite3_error_offset(conn->db)), &info);
return info;
}
void
update_callback(void *arg, int sqlite_operation_type, char const *sqlite_database, char const *sqlite_table, sqlite3_int64 sqlite_rowid)
{
@@ -1431,6 +1468,8 @@ static ErlNifFunc nif_funcs[] = {
{"open", 1, esqlite_open, ERL_NIF_DIRTY_JOB_IO_BOUND},
{"close", 1, esqlite_close, ERL_NIF_DIRTY_JOB_IO_BOUND},
{"error_info", 1, esqlite_error_info},
/*
* Other interesting additions... trace.
* wal_hook triggered after every commit.