dengzhhu653 commented on a change in pull request #2027:
URL: https://github.com/apache/hive/pull/2027#discussion_r592087377
##########
File path:
ql/src/java/org/apache/hadoop/hive/ql/parse/type/TypeCheckProcFactory.java
##########
@@ -1007,17 +1001,12 @@ protected T getXpathOrFuncExprNodeDesc(ASTNode node,
T columnDesc = children.get(0);
T valueDesc = interpretNode(columnDesc, children.get(i));
if (valueDesc == null) {
- if (hasNullValue) {
- // Skip if null value has already been added
- continue;
- }
- TypeInfo targetType = exprFactory.getTypeInfo(columnDesc);
+ // Keep original
+ TypeInfo targetType = exprFactory.getTypeInfo(children.get(i));
if (!expressions.containsKey(targetType)) {
expressions.put(targetType, columnDesc);
}
- T nullConst = exprFactory.createConstantExpr(targetType, null);
- expressions.put(targetType, nullConst);
- hasNullValue = true;
+ expressions.put(targetType, children.get(i));
} else {
Review comment:
I mean the way we deal with the constant that cannot be interpreted,
treat it as a null or false expression.
For example:
```col not in (355.8)``` translates to ```not(null)```;
```col not in (355.8, 123)``` translates to ```not(null or col in (123))```;
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
