Postfix for QA test bugs.core_0995

dyemanov · dyemanov · commit 00c4ad442645 · 2026-03-15T19:56:04.000+03:00
diff --git a/src/jrd/optimizer/Retrieval.cpp b/src/jrd/optimizer/Retrieval.cpp
@@ -715,7 +715,7 @@ void Retrieval::applyNavigation(InversionCandidate* candidate)
 		if (optimizer->favorFirstRows())
 		{
 			// Reset the cost to represent a single record retrieval
-			navigationCost = DEFAULT_INDEX_COST;
+			navigationCost = navigationCandidate->matches.isEmpty() ? DEFAULT_INDEX_COST : 0;
 
 			// We know that some local filtering is applied, so we need
 			// to adjust the cost as we need to walk the index

Original file line number	Diff line number	Diff line change
`@@ -715,7 +715,7 @@ void Retrieval::applyNavigation(InversionCandidate* candidate)`
`715`	`715`	`if (optimizer->favorFirstRows())`
`716`	`716`	`{`
`717`	`717`	`// Reset the cost to represent a single record retrieval`
`718`		`- navigationCost = DEFAULT_INDEX_COST;`
	`718`	`+ navigationCost = navigationCandidate->matches.isEmpty() ? DEFAULT_INDEX_COST : 0;`
`719`	`719`
`720`	`720`	`// We know that some local filtering is applied, so we need`
`721`	`721`	`// to adjust the cost as we need to walk the index`