HyukjinKwon opened a new pull request, #45210: URL: https://github.com/apache/spark/pull/45210
### What changes were proposed in this pull request? This PR proposes to prevent `null` for `tokenizer.getContext`. This is similar with https://github.com/apache/spark/pull/28029. `getContext` seemingly via the univocity library, it can return null if `begingParsing` is not invoked (https://github.com/uniVocity/univocity-parsers/blob/master/src/main/java/com/univocity/parsers/common/AbstractParser.java#L53). This can happen when `parseLine` is not invoked at https://github.com/apache/spark/blob/e081f06ea401a2b6b8c214a36126583d35eaf55f/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/csv/UnivocityParser.scala#L300 - `parseLine` invokes `begingParsing`. ### Why are the changes needed? To fix up a bug. ### Does this PR introduce _any_ user-facing change? Yes. In a very rare case, when `CsvToStructs` is used as a sole predicate against an empty row, it might trigger NPE. This PR fixes it. ### How was this patch tested? Manually tested, but test case will be done in a separate PR. We should backport this to all branches. ### Was this patch authored or co-authored using generative AI tooling? No. -- 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. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
