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fix: add overlap check for TID block in pattern search #437

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Merged
cheb0 merged 1 commit into from
Jun 11, 2026
+16 −0
Merged

fix: add overlap check for TID block in pattern search #437

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4 changes: 4 additions & 0 deletions frac/sealed/token/provider.go
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Original file line number Diff line number Diff line change
Expand Up @@ -75,6 +75,10 @@ func (tp *Provider) findInBlocks(firstTID, lastTID uint32, search func(*Block, i
var tids []uint32

for _, entry := range tp.entries {
if !entry.checkTIDsInBlock(firstTID, lastTID) {
continue
}

block := tp.findBlock(entry.BlockIndex)
firstIndex, lastIndex := entry.narrowIndexes(firstTID, lastTID)
indexes, err := search(block, firstIndex, lastIndex)
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12 changes: 12 additions & 0 deletions frac/sealed/token/table_entry.go
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,18 @@ func (t *TableEntry) narrowIndexes(firstTID, lastTID uint32) (int, int) {
return firstIndex, lastIndex
}

func (t *TableEntry) checkTIDsInBlock(firstTID, lastTID uint32) bool {
if lastTID < t.StartTID {
return false
}

if firstTID > t.getLastTID() {
return false
}

return true
}

func (t *TableEntry) checkTIDInBlock(tid uint32) bool {
if tid < t.StartTID {
return false
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