LBRYCommunity/herald.go
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Fix bug with variable length keys

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This commit is contained in:
Jeffrey Picard 2022-01-14 10:02:45 -05:00
parent 9262facd17
commit 204c0f78d9
1 changed files with 3 additions and 1 deletions
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4
db/db.go
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@ -6,6 +6,7 @@ import (
"encoding/json" "encoding/json"
"fmt" "fmt"
"log" "log"
"math"
"os" "os"
"github.com/lbryio/hub/db/prefixes" "github.com/lbryio/hub/db/prefixes"
@ -108,8 +109,9 @@ func Iter(db *grocksdb.DB, opts *IterOptions) <-chan *prefixes.PrefixRowKV {
return false return false
} }
maxLen := int(math.Min(float64(len(key)), float64(len(opts.Stop))))
if opts.Stop != nil && if opts.Stop != nil &&
(bytes.HasPrefix(key, opts.Stop) || bytes.Compare(opts.Stop, key[:len(opts.Stop)]) < 0) { (bytes.HasPrefix(key, opts.Stop) || bytes.Compare(opts.Stop, key[:maxLen]) < 0) {
return true return true
} else if opts.Start != nil && } else if opts.Start != nil &&
bytes.Compare(opts.Start, key[:len(opts.Start)]) > 0 { bytes.Compare(opts.Start, key[:len(opts.Start)]) > 0 {