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Do not adjust index selectivity based on probes [skip ci]

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Andrew Kane
2024-09-25 13:48:24 -07:00
parent 77b3d1f2a8
commit 8e979ed377
2 changed files with 2 additions and 11 deletions
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7
src/ivfflat.c
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@@ -120,13 +120,6 @@ ivfflatcostestimate(PlannerInfo *root, IndexPath *path, double loop_count,
costs.indexTotalCost -= 0.5 * costs.numIndexPages * (costs.spc_random_page_cost - spc_seq_page_cost);
}
/*
* If the list selectivity is lower than what is returned from the generic
* cost estimator, use that.
*/
if (ratio < costs.indexSelectivity)
costs.indexSelectivity = ratio;
/* Use total cost since most work happens before first tuple is returned */
*indexStartupCost = costs.indexTotalCost;
*indexTotalCost = costs.indexTotalCost;