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Code Issues

Fixed optimizer bug introduced by me appr. one month ago.

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This commit is contained in:
dimitr 2003-03-25 09:40:15 +00:00
parent df5a23d861
commit 20ce2e24d8
1 changed files with 3 additions and 2 deletions
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5
src/jrd/opt.cpp
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@ -6434,8 +6434,9 @@ static SSHORT sort_indices_by_priority(csb_repeat * csb_tail,
regardless of their (probably old) selectivity values. */
IDX *idx = idx_csb[last_idx];
bool should_be_used = true;
if (!(idx->idx_flags & idx_unique) && idx->idx_selectivity && !(csb_tail->csb_plan)) {
if (selectivity * SELECTIVITY_THRESHOLD_FACTOR < idx->idx_selectivity) {
if (idx->idx_selectivity && !(csb_tail->csb_plan)) {
if (!(idx->idx_flags & idx_unique) &&
selectivity * SELECTIVITY_THRESHOLD_FACTOR < idx->idx_selectivity) {
should_be_used = false;
}
selectivity = idx->idx_selectivity;