Function db_column_is_null

db/bindings.c:19–22

Local helpers once you have column number */

/* Local helpers once you have column number */
static bool db_column_is_null(struct db_stmt *stmt, int col)
{
	return stmt->db->config->column_is_null_fn(stmt, col);
}

/* Returns true (and warns) if it's nul */
static bool db_column_null_warn(struct db_stmt *stmt, const char *colname,