kgyrtkirk commented on a change in pull request #970: Hive 23100
URL: https://github.com/apache/hive/pull/970#discussion_r408717117
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File path:
ql/src/java/org/apache/hadoop/hive/ql/parse/type/TypeCheckProcFactory.java
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@@ -972,55 +1005,42 @@ protected T getXpathOrFuncExprNodeDesc(ASTNode expr,
}
}
if (genericUDF instanceof GenericUDFIn) {
-
- T columnDesc = children.get(0);
- List<T> outputOpList = children.subList(1, children.size());
- List<T> inOperands = new ArrayList<>(outputOpList);
- outputOpList.clear();
-
- boolean hasNullValue = false;
- for (T oldChild : inOperands) {
- if (oldChild == null) {
- hasNullValue = true;
- continue;
- }
- T newChild = interpretNodeAsStruct(columnDesc, oldChild);
- if (newChild == null) {
- hasNullValue = true;
- continue;
- }
- outputOpList.add(newChild);
- }
-
- if (hasNullValue) {
- T nullConst =
exprFactory.createConstantExpr(exprFactory.getTypeInfo(columnDesc), null);
- if (outputOpList.size() == 0) {
- // we have found only null values...remove the IN ; it will be
null all the time.
- return nullConst;
+ ListMultimap<TypeInfo, T> expressions = ArrayListMultimap.create();
Review comment:
it seems this map is keyed by types?
what guarantees that that doesn't go south if we have multiple of the same
type?
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