[GENERAL] Asynchronous queries with callbacks.

2011-01-05 Thread Вячеслав Блинников
Hello! I connect to PostgreSQL database in my C++ program via libpq and I need to implement the function like void SendQuery(char* queryString, void (*callback)(void*)) which will . But how to bind the callback function data (and some parameters) to database request? I intended to put queries into

Re: [GENERAL] Asynchronous queries with callbacks.

2011-01-05 Thread Peter Geoghegan
2011/1/5 Вячеслав Блинников slav...@gmail.com: I intended to put queries into queue (along with callback and param data) and after fetching each result via PQgetResult() obtain callback and param from the queue, but documentation says that PQexec can return only one PGresult structure. If the