songwanging created PIG-4642:
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Summary: Function call error, when comparing two instances of
class "Tuple", should use "compareTuple()", while in current version the method
"compare()" compares two instances of "Tuple" using itself: "compare()", which
introduces a recursion error.
Key: PIG-4642
URL: https://issues.apache.org/jira/browse/PIG-4642
Project: Pig
Issue Type: Bug
Affects Versions: 0.15.0, 0.14.0, 0.13.0
Reporter: songwanging
In method "compare" of class:
pig-0.15.0\src\org\apache\pig\backend\hadoop\executionengine\mapReduceLayer\PigTupleSortComparator.java
when comparing two instances of class "Tuple", should use "compareTuple", while
in current version the method "compare" using itself: "compare", which
introduces a recursion error.
public int compare(Object o1, Object o2) {
NullableTuple nt1 = (NullableTuple) o1;
NullableTuple nt2 = (NullableTuple) o2;
int rc = 0;
// If either are null, handle differently.
if (!nt1.isNull() && !nt2.isNull()) {
rc = mComparator.compare((Tuple) nt1.getValueAsPigType(), (Tuple)
nt2.getValueAsPigType());
}
....
return rc;
}
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