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https://issues.apache.org/jira/browse/CALCITE-2623?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16648579#comment-16648579
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Julian Hyde commented on CALCITE-2623:
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Also note that an implementation of {{SqlNode.unparse(SqlWriter, int, int)}}
can call {{SqlWriter.getDialect()}}. This is how identifiers get quoted using
double-quote on Oracle, back-ticks on MySQL etc.
> Updating unparseCall() in SqlDialect(s) for dialect specifc SqlNode unparsing
> -----------------------------------------------------------------------------
>
> Key: CALCITE-2623
> URL: https://issues.apache.org/jira/browse/CALCITE-2623
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Reporter: KrishnaKant Agrawal
> Assignee: Julian Hyde
> Priority: Minor
>
> Owing to the syntactical differences between Calcite SQL and certain other
> Dialects, emulation for SqlNode unparsing needs to be added based on the
> Dialect in RelToSqlConcverter.
> Saw some code in PostgreSqlDialect which is already doing this.
> Changes in other Dialects can follow suit.
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