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Code Issues

Fixed "wrong page type" bugcheck.

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This commit is contained in:
dimitr 2005-03-25 07:54:32 +00:00
parent 5957ef655b
commit f5bb311b4b
1 changed files with 7 additions and 3 deletions
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10
src/jrd/Optimizer.cpp
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@ -613,11 +613,15 @@ double getRelationCardinality(thread_db* tdbb, jrd_rel* relation, const Format*
window.win_page = (*vector)[0];
Ods::pointer_page* ppage =
(Ods::pointer_page*) CCH_FETCH(tdbb, &window, LCK_read, pag_pointer);
SLONG record_count = 0;
const SLONG* page = ppage->ppg_page;
Ods::data_page* dpage =
(Ods::data_page*) CCH_HANDOFF(tdbb, &window, *page, LCK_read, pag_data);
if (*page) {
Ods::data_page* dpage =
(Ods::data_page*) CCH_HANDOFF(tdbb, &window, *page, LCK_read, pag_data);
record_count = dpage->dpg_count;
}
CCH_RELEASE(tdbb, &window);
return dpage->dpg_count;
return record_count;
}
}