gaborgsomogyi commented on issue #24173: [SPARK-27237][SS] Introduce State schema validation among query restart URL: https://github.com/apache/spark/pull/24173#issuecomment-475615992 >I'm not sure what you meant. Yeah, some config which is on by default. >I'm not sure what you meant. If you meant toggling this option, I guess that's not necessary. Preventing query to be run would be always better than exposing possibility to get indeterministic behaviors. Don't let the query start by default is good in such cases, but not having a plan B for cases what we've maybe missed is different. After the deeper look I see the nullable stuff... > if we want to deal with state schema at only one place, that should be done in driver side, whereas states are being initialized in executor side which would require additional work/trick to get the information from driver side. Now I see that part and it's really not easy. I don't have suggestion out of the box, let me think a bit...
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