/*
* __ovfl_read --
* Read an overflow item from the disk.
*/
static int
__ovfl_read(WT_SESSION_IMPL *session,
const uint8_t *addr, size_t addr_size, WT_ITEM *store)
{
WT_BTREE *btree;
const WT_PAGE_HEADER *dsk;
btree = S2BT(session);
/*
* Read the overflow item from the block manager, then reference the
* start of the data and set the data's length.
*
* Overflow reads are synchronous. That may bite me at some point, but
* WiredTiger supports large page sizes, overflow items should be rare.
*/
WT_RET(__wt_bt_read(session, store, addr, addr_size));
dsk = store->data;
store->data = WT_PAGE_HEADER_BYTE(btree, dsk);
store->size = dsk->u.datalen;
WT_STAT_FAST_DATA_INCR(session, cache_read_overflow);
return (0);
}
/*
* __inmem_col_fix --
* Build in-memory index for fixed-length column-store leaf pages.
*/
static void
__inmem_col_fix(WT_SESSION_IMPL *session, WT_PAGE *page)
{
WT_BTREE *btree;
const WT_PAGE_HEADER *dsk;
btree = S2BT(session);
dsk = page->dsk;
page->pg_fix_bitf = WT_PAGE_HEADER_BYTE(btree, dsk);
}
/*
* __inmem_col_fix --
* Build in-memory index for fixed-length column-store leaf pages.
*/
static void
__inmem_col_fix(WT_SESSION_IMPL *session, WT_PAGE *page)
{
WT_BTREE *btree;
WT_PAGE_HEADER *dsk;
btree = session->btree;
dsk = page->dsk;
page->u.col_fix.bitf = WT_PAGE_HEADER_BYTE(btree, dsk);
}
