21 void exec(sqlite3 *db, char *sql)  in exec()  argument
25     int rc = sqlite3_exec(db, sql, NULL, NULL, &errmsg);  in exec()
31 void query(sqlite3 *db, char *sql)  in query()  argument
35     int rc = sqlite3_exec(db, sql, callback, NULL, &errmsg);  in query()
42 void query_test(sqlite3 *db, const char *args)  in query_test()  argument
45     exec(db, "create table user("  in query_test()
58     exec(db, cmd);  in query_test()
61     query(db, "select * from user");  in query_test()
64     query(db, "select * from user where id = 2");  in query_test()
69     sqlite3 *db;  in memory()  local
71     int ret = sqlite3_open(":memory:", &db);  in memory()
74     query_test(db, "memory");  in memory()
79     sqlite3 *db;  in file()  local
80     int ret = sqlite3_open("file.sqlite", &db);  in file()
88     query_test(db, "file");  in file()
89     sqlite3_close(db);  in file()