nishantmonu51 commented on a change in pull request #5958: Part 2 of changes
for SQL Compatible Null Handling
URL: https://github.com/apache/incubator-druid/pull/5958#discussion_r204816952
##########
File path: common/src/main/java/io/druid/math/expr/ExprEval.java
##########
@@ -245,36 +252,63 @@ public final ExprType type()
@Override
public final int asInt()
{
- if (value == null) {
+ Number number = asNumber();
+ if (number == null) {
assert NullHandling.replaceWithDefault();
return 0;
}
-
- final Integer theInt = Ints.tryParse(value);
- assert NullHandling.replaceWithDefault() || theInt != null;
- return theInt == null ? 0 : theInt;
+ return number.intValue();
}
@Override
public final long asLong()
{
- // GuavaUtils.tryParseLong handles nulls, no need for special null
handling here.
- final Long theLong = GuavaUtils.tryParseLong(value);
- assert NullHandling.replaceWithDefault() || theLong != null;
- return theLong == null ? 0L : theLong;
+ Number number = asNumber();
+ if (number == null) {
+ assert NullHandling.replaceWithDefault();
Review comment:
unable to find the discussion among lots of review comments.
I believe the intent here was to catch any coding errors/places where we may
have missed handling nulls properly.
@leventov: can probably add more context here.
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