fix wrong cost

hawkingrei · hawkingrei · commit d64104a94fe9 · 2025-05-20T10:50:18.000+08:00
Signed-off-by: Weizhen Wang &lt;wangweizhen@pingcap.com&gt;
diff --git a/pkg/planner/core/tiflash_selection_late_materialization.go b/pkg/planner/core/tiflash_selection_late_materialization.go
@@ -283,6 +283,4 @@ func PushedDown(sel *PhysicalSelection, ts *PhysicalTableScan, selectedConds []e
 	removeSpecificExprsFromSelection(sel, selectedConds)
 	// add the pushed down conditions to table scan
 	ts.LateMaterializationFilterCondition = selectedConds
-	// Update the row count of table scan after pushing down the conditions.
-	ts.StatsInfo().RowCount *= selectedSelectivity
 }

Original file line number	Diff line number	Diff line change
`@@ -283,6 +283,4 @@ func PushedDown(sel PhysicalSelection, ts PhysicalTableScan, selectedConds []e`
`283`	`283`	`removeSpecificExprsFromSelection(sel, selectedConds)`
`284`	`284`	`// add the pushed down conditions to table scan`
`285`	`285`	`ts.LateMaterializationFilterCondition = selectedConds`
`286`		`- // Update the row count of table scan after pushing down the conditions.`
`287`		`- ts.StatsInfo().RowCount *= selectedSelectivity`
`288`	`286`	`}`