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fix(iterators): Do not return error on missing vlog #1602

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merged 3 commits into from
Nov 25, 2020
Merged

fix(iterators): Do not return error on missing vlog #1602

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ad2cf99
fix(iterators): Do not return error on missing vlog
Nov 24, 2020
524fec5
Merge branch 'master' into ibrahim/iterator-log-error
Nov 25, 2020
1095f47
prevent infinite loop
Nov 25, 2020
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21 changes: 20 additions & 1 deletion iterator.go
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Original file line number Diff line number Diff line change
Expand Up @@ -170,8 +170,27 @@ func (item *Item) yieldItemValue() ([]byte, func(), error) {
if err != nil {
db.opt.Logger.Errorf("Unable to read: Key: %v, Version : %v, meta: %v, userMeta: %v"+
" Error: %v", key, item.version, item.meta, item.userMeta, err)
txn := db.NewTransaction(false)
defer txn.Discard()

iopt := DefaultIteratorOptions
iopt.AllVersions = true
iopt.InternalAccess = true

it := txn.NewKeyIterator(item.Key(), iopt)
defer it.Close()
for it.Rewind(); it.Valid(); it.Next() {
item := it.Item()
var vp valuePointer
if item.meta&bitValuePointer > 0 {
vp.Decode(item.vptr)
}
db.opt.Logger.Errorf("Key: %v, Version : %v, meta: %v, userMeta: %v valuePointer: %+v",
item.Key(), item.version, item.meta, item.userMeta, vp)
}
}
return result, cb, err
// Don't return error if we cannot read the value. Just log the error.
return result, cb, nil
}

func runCallback(cb func()) {
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