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https://issues.apache.org/jira/browse/FLINK-27449?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Flink Jira Bot updated FLINK-27449:
-----------------------------------
Labels: pull-request-available stale-major (was: pull-request-available)
I am the [Flink Jira Bot|https://github.com/apache/flink-jira-bot/] and I help
the community manage its development. I see this issues has been marked as
Major but is unassigned and neither itself nor its Sub-Tasks have been updated
for 60 days. I have gone ahead and added a "stale-major" to the issue". If this
ticket is a Major, please either assign yourself or give an update. Afterwards,
please remove the label or in 7 days the issue will be deprioritized.
> The comment is lost when creating a Table from Datastream and Schema
> --------------------------------------------------------------------
>
> Key: FLINK-27449
> URL: https://issues.apache.org/jira/browse/FLINK-27449
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / API
> Affects Versions: 1.14.4
> Reporter: Yuan Huang
> Priority: Major
> Labels: pull-request-available, stale-major
> Attachments: test_result.png
>
>
>
> A user reported that the comment was lost when creating a Table from
> Datastream and Schema.
>
> So this test will fail:
> {code:java}
> @Test
> public void test() {
> StreamExecutionEnvironment env =
> StreamExecutionEnvironment.getExecutionEnvironment();
> StreamTableEnvironment tableEnv = StreamTableEnvironment.create(env);
> DataStream<String> dataStream = env.fromElements("Alice", "Bob", "John");
> Schema.Builder builder = Schema.newBuilder();
> builder.column("f0", DataTypes.of(String.class)).withComment("this is a
> comment");
> Table table = tableEnv.fromDataStream(dataStream,
> builder.build()).as("user_name");
> table.getResolvedSchema();
> table.printSchema();
> String expected = "(\n `user_name` STRING COMMENT 'this is a
> comment'\n)";
> Assert.assertEquals(expected, table.getResolvedSchema().toString());
> } {code}
>
> !test_result.png|width=577,height=139!
> I checked that the built schema did contains the comment. However, the
> comment filed of resolved schema in the table is null.
> Is it a bug or just meets our expectations?
>
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