tree 94e23a1e8f023c0c6fc455c690fef8eb84d5bfdc
parent d7fcff3aba47dbd840c1cdca24f4802168ce1d9c
author Suneet Saldanha <suneet@apache.org> 1599251020 -0700
committer GitHub <noreply@github.com> 1599251020 -0700
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fix NPE in StringGroupByColumnSelectorStrategy#bufferComparator (#10325)

* fix NPE in StringGroupByColumnSelectorStrategy#bufferComparator

* Add tests

* javadocs