parent
2762e1f3f7
commit
452e5bffc0
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@ -301,8 +301,19 @@ func applyCompare(txnID int64, kv dstorage.KV, c *pb.Compare) (int64, bool) {
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}
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}
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return rev, false
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return rev, false
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}
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}
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var ckv storagepb.KeyValue
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ckv := ckvs[0]
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if len(ckvs) != 0 {
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ckv = ckvs[0]
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} else {
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// Use the zero value of ckv normally. However...
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if c.Target == pb.Compare_VALUE {
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// Always fail if we're comparing a value on a key that doesn't exist.
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// We can treat non-existence as the empty set explicitly, such that
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// even a key with a value of length 0 bytes is still a real key
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// that was written that way
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return rev, false
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}
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}
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// -1 is less, 0 is equal, 1 is greater
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// -1 is less, 0 is equal, 1 is greater
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var result int
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var result int
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