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planner: remove useless code #61227

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Merged
merged 2 commits into from
May 24, 2025
Merged

planner: remove useless code #61227

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planner: remove useless code
hawkingrei May 21, 2025
c6570e7
update
hawkingrei May 23, 2025
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20 changes: 1 addition & 19 deletions pkg/planner/core/util.go
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Original file line number Diff line number Diff line change
Expand Up @@ -230,26 +230,8 @@ func BuildPhysicalJoinSchema(joinType logicalop.JoinType, join base.PhysicalPlan
return newSchema
}

// GetStatsInfoFromFlatPlan gets the statistics info from a FlatPhysicalPlan.
func GetStatsInfoFromFlatPlan(flat *FlatPhysicalPlan) map[string]uint64 {
res := make(map[string]uint64)
for _, op := range flat.Main {
switch p := op.Origin.(type) {
case *PhysicalIndexScan:
if _, ok := res[p.Table.Name.O]; p.StatsInfo() != nil && !ok {
res[p.Table.Name.O] = p.StatsInfo().StatsVersion
}
case *PhysicalTableScan:
if _, ok := res[p.Table.Name.O]; p.StatsInfo() != nil && !ok {
res[p.Table.Name.O] = p.StatsInfo().StatsVersion
}
}
}
return res
}

// GetStatsInfo gets the statistics info from a physical plan tree.
// Deprecated: FlattenPhysicalPlan() + GetStatsInfoFromFlatPlan() is preferred.
// Deprecated: FlattenPhysicalPlan() is preferred.
func GetStatsInfo(i any) map[string]uint64 {
if i == nil {
// it's a workaround for https://github.com/pingcap/tidb/issues/17419
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