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(vcs) Stopgap fix for quoted queries with the same term appearinc multiple times

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There are reentrance issues with VarintCodedSequence, this hides the symptom but these need to be corrected properly.
This commit is contained in:
Viktor Lofgren 2024-09-21 14:07:59 +02:00
parent 28e7c8e5e0
commit 1ff88ff0bc
1 changed files with 5 additions and 2 deletions
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7
code/libraries/coded-sequence/java/nu/marginalia/sequence/VarintCodedSequence.java
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@ -139,7 +139,7 @@ public class VarintCodedSequence implements CodedSequence {
@Override
public IntIterator offsetIterator(int offset) {
return new VarintSequenceIterator(buffer(), offset);
return new VarintSequenceIterator(buffer().slice(), offset);
}
@Override
@ -181,6 +181,7 @@ public class VarintCodedSequence implements CodedSequence {
private static int decodeValue(ByteBuffer buffer) {
// most common case gets a fast path, this is a fairly large performance win
// on average, something like 10-20% faster than not having this check
byte b = buffer.get();
if ((b & 0x80) == 0) {
return b;
@ -192,8 +193,9 @@ public class VarintCodedSequence implements CodedSequence {
value = (value << 7) | (b & 0x7F);
} while ((b & 0x80) != 0);
return value;
}
public static class VarintSequenceIterator implements IntIterator {
@ -222,6 +224,7 @@ public class VarintCodedSequence implements CodedSequence {
public boolean hasNext() {
if (next != Integer.MIN_VALUE) return true;
if (--rem < 0) return false;
if (!buffer.hasRemaining()) return false;
int delta = decodeValue(buffer);