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From "ASF GitHub Bot (Jira)" <j...@apache.org>
Subject [jira] [Updated] (FLINK-14296) SqlNodes in the parser module should use an Optional for optional parameters
Date Sun, 06 Oct 2019 06:40:00 GMT

     [ https://issues.apache.org/jira/browse/FLINK-14296?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

ASF GitHub Bot updated FLINK-14296:
-----------------------------------
    Labels: pull-request-available  (was: )

> SqlNodes in the parser module should use an Optional for optional parameters
> ----------------------------------------------------------------------------
>
>                 Key: FLINK-14296
>                 URL: https://issues.apache.org/jira/browse/FLINK-14296
>             Project: Flink
>          Issue Type: Improvement
>          Components: Table SQL / API
>            Reporter: Dawid Wysakowicz
>            Priority: Major
>              Labels: pull-request-available
>
> I want to suggest using Optional for optional parameters in classes such as SqlCreateTable/SqlCreateView/SqlTableColumn
etc.
> Right now we must check against null at different locations e.g.:
> {code}
> SqlNodeList partitionKey = sqlCreateTable.getPartitionKeyList();
> if (partitionKey != null) {
> 	partitionKeys = partitionKey
> 		.getList()
> 		.stream()
> 		.map(p -> ((SqlIdentifier) p).getSimple())
> 		.collect(Collectors.toList());
> }
> {code}



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