pub unsafe extern "C" fn vers_select_conds_t_init_from_sysvar(
this: *mut vers_select_conds_t,
thd: *mut THD
) -> boolpub unsafe extern "C" fn vers_select_conds_t_init_from_sysvar(
this: *mut vers_select_conds_t,
thd: *mut THD
) -> bool