/**
* @brief Release resources used in the reader
*/
static void
BTReaderTerm(BTReader *reader)
{
/* FIXME: We should use smgrclose, but it is not managed in smgr. */
Assert(reader->smgr.smgr_which == 0);
mdclose(&reader->smgr, MAIN_FORKNUM);
pfree(reader->page);
}
/*
* mdexists() -- Does the physical file exist?
*
* Note: this will return true for lingering files, with pending deletions
*/
bool
mdexists(SMgrRelation reln, ForkNumber forkNum)
{
/*
* Close it first, to ensure that we notice if the fork has been unlinked
* since we opened it.
*/
mdclose(reln, forkNum);
return (mdopen(reln, forkNum, EXTENSION_RETURN_NULL) != NULL);
}
