Adding a custom sqlite function to a Qt application

Question

I am trying to add a custom sqlite3 regexp function into my Qt application (as recommended by this answer). But as soon as I call the sqlite3_create_funct

Answer 1

You need to call sqlite3_initialize() after you get the database handle from Qt, according to this forum post.

    ...
    sqlite3 *db_handle = *static_cast<sqlite3 **>(v.data());
    if (db_handle != 0) { // check that it is not NULL
        sqlite3_initialize();
    ...

This solves the issue.