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Jiayi Liao edited comment on FLINK-14296 at 10/6/19 3:12 AM: ------------------------------------------------------------- [~jark] +1, I'll submit a PR soon. was (Author: wind_ljy): [~jark] > 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 > > 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} -- This message was sent by Atlassian Jira (v8.3.4#803005)