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https://issues.apache.org/jira/browse/CALCITE-5624?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17707454#comment-17707454
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Julian Hyde commented on CALCITE-5624:
--------------------------------------
Before we dive into PRs, can we get to a precise description of the problem?
First of all, the parser doesn't have a 'dialect' concept. It has conformance,
lexical properties, and a function table (library). Which of those properties
are you intending to use?
Second, it is a goal that every valid Spark query is valid in our parser, but
it is not a goal that every invalid Spark query is invalid. In other words, you
do not necessarily have to remove capabilities from the parser. (Unless leaving
them in would create ambiguities.)
> Cannot parse array function for Spark Dialect
> ---------------------------------------------
>
> Key: CALCITE-5624
> URL: https://issues.apache.org/jira/browse/CALCITE-5624
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.34.0
> Reporter: Guillaume Massé
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 50m
> Remaining Estimate: 0h
>
> AtomicRowExpression should not have ArrayConstructor for Apache Spark. Arrays
> are constructed by calling the array function
> ([https://spark.apache.org/docs/latest/api/sql/index.html#array]).
>
> {code:java}
> array()
> array(1)
> array(1, 2, 3){code}
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