Tatu Saloranta created FLINK-3921:
-------------------------------------
Summary: StringParser not specifying encoding to use
Key: FLINK-3921
URL: https://issues.apache.org/jira/browse/FLINK-3921
Project: Flink
Issue Type: Improvement
Components: Core
Affects Versions: 1.0.3
Reporter: Tatu Saloranta
Priority: Minor
Looking at default `TypeSerializer` instances I noticed what looks like a minor
flaw, unless I am missing something.
Whereas all other array serializers indicate that type is not immutable (since
in Java, arrays are not immutable), `StringArraySerializer` has:
```
@Override
public boolean isImmutableType() {
return true;
}
```
and I think it should instead return `false`. I could create a PR, but seems
like a small enough thing that issue report makes more sense.
I tried looking for deps to see if there's a test for this, but couldn't find
one; otherwise could submit a test fix.
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