[jira] [Created] (CALCITE-4988) ((A IS NOT NULL OR B) AND A) can't be simplify to (A) When A is deterministic

xiong duan created CALCITE-4988: --- Summary: ((A IS NOT NULL OR B) AND A) can't be simplify to (A) When A is deterministic Key: CALCITE-4988 URL: https://issues.apache.org/jira/browse/CALCITE-4988 Project

Re: [DISCUSS] RepeatUnion improvements

Thanks for the heads up. There was a good reason that we marked RepeatUnion experimental: so that we can make these improvements without anyone complaining. I welcome these changes evolving RepeatUnion into a more useful feature. By the way, in Morel I am having some deep discussions about the

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[DISCUSS] RepeatUnion improvements

Hello everyone, I am not sure if anyone else (apart from my downstream project) is using RepeatUnion and associated operators to build recursive unions (experimental feature implemented via [1]), but just in case: I am considering a patch to fix some known issues ([2] & [3]) on the current impleme

Apache Calcite - How to create proper nested json object using JSON_OBJECT (it produces json with escapes)

Hi Folks: I am trying to create a nested json object using JSON_OBJECT and am getting a json with escaped quotes.   I have the following query in sql line : select JSON_OBJECT(KEY 'level1'     VALUE(JSON_OBJECT(            KEY 'level2'             VALUE(                 JSON_OBJECT(