Ackel Filia created LUCENE-9343:
-----------------------------------
Summary: EnumFieldSource throws AssertionError
Key: LUCENE-9343
URL: https://issues.apache.org/jira/browse/LUCENE-9343
Project: Lucene - Core
Issue Type: Bug
Components: core/query/scoring
Affects Versions: 8.5.1
Reporter: Ackel Filia
When a doc id is smaller than a previsou one, I obtain an AssertionError. I
check the Lucene code, and find that it is thrown from the following code of
EnumFieldSource:
{code:java}
public FunctionValues getValues(Map context, LeafReaderContext readerContext)
throws IOException {
final NumericDocValues arr = DocValues.getNumeric(readerContext.reader(),
field); return new IntDocValues(this) {
final MutableValueInt val = new MutableValueInt(); int lastDocID;
private int getValueForDoc(int doc) throws IOException {
if (doc < lastDocID) {
throw new AssertionError("docs were sent out-of-order: lastDocID=" +
lastDocID + " vs doc=" + doc);
}
lastDocID = doc;
int curDocID = arr.docID();
if (doc > curDocID) {
curDocID = arr.advance(doc);
}
if (doc == curDocID) {
return (int) arr.longValue();
} else {
return 0;
}
}
}{code}
My code does not catch the exception. It catches IllegalArgumentException,
because Lucene throws the exceptions for similar problems:
DocTermsIndexDocValues:
{code:java}
protected int getOrdForDoc(int doc) throws IOException {
if (doc < lastDocID) {
throw new IllegalArgumentException("docs were sent out-of-order:
lastDocID=" + lastDocID + " vs docID=" + doc);
}
lastDocID = doc;
int curDocID = termsIndex.docID();
if (doc > curDocID) {
curDocID = termsIndex.advance(doc);
}
if (doc == curDocID) {
return termsIndex.ordValue();
} else {
return -1;
}
}
{code}
BytesRefFieldSource:
{code:java}
private BytesRef getValueForDoc(int doc) throws IOException {
if (doc < lastDocID) {
throw new IllegalArgumentException("docs were sent out-of-order:
lastDocID=" + lastDocID + " vs docID=" + doc);
}
lastDocID = doc;
int curDocID = binaryValues.docID();
if (doc > curDocID) {
curDocID = binaryValues.advance(doc);
}
if (doc == curDocID) {
return binaryValues.binaryValue();
} else {
return null;
}
}
{code}
FloatFieldSource:
{code:java}
private float getValueForDoc(int doc) throws IOException {
if (doc < lastDocID) {
throw new IllegalArgumentException("docs were sent out-of-order:
lastDocID=" + lastDocID + " vs docID=" + doc);
}
lastDocID = doc;
int curDocID = arr.docID();
if (doc > curDocID) {
curDocID = arr.advance(doc);
}
if (doc == curDocID) {
return Float.intBitsToFloat((int)arr.longValue());
} else {
return 0f;
}
}
{code}
EnumFieldSource throws a wrong exception. Can this problem be fixed?
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