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https://issues.apache.org/jira/browse/FLINK-12848?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Timo Walther closed FLINK-12848.
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Fix Version/s: 1.9.2
1.8.3
1.10.0
Resolution: Fixed
Fixed in 1.10.0: c6a3a0eeebffa88aed144c13a2eb2914e13c862c
Fixed in 1.9.2: ed1071e1e4951d9760182b2ef069e257f14f45b7
Fixed in 1.8.3: 31622bbade03cfe1189eb621207254d3b8f3bcab
> Method equals() in RowTypeInfo should consider fieldsNames
> ----------------------------------------------------------
>
> Key: FLINK-12848
> URL: https://issues.apache.org/jira/browse/FLINK-12848
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / Planner
> Affects Versions: 1.7.2
> Reporter: aloyszhang
> Assignee: aloyszhang
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.10.0, 1.8.3, 1.9.2
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> Since the `RowTypeInfo#equals()` does not consider the fieldNames , when
> process data with RowTypeInfo type there may comes an error of the field
> name.
> {code:java}
> String [] fields = new String []{"first", "second"};
> TypeInformation<?>[] types = new TypeInformation[]{
> Types.ROW_NAMED(new String[]{"first001"}, Types.INT),
> Types.ROW_NAMED(new String[]{"second002"}, Types.INT) };
> StreamExecutionEnvironment execEnv =
> StreamExecutionEnvironment.getExecutionEnvironment();
> StreamTableEnvironment env =
> StreamTableEnvironment.getTableEnvironment(execEnv);
> SimpleProcessionTimeSource streamTableSource = new
> SimpleProcessionTimeSource(fields, types);
> env.registerTableSource("testSource", streamTableSource);
> Table sourceTable = env.scan("testSource");
> System.out.println("Source table schema : ");
> sourceTable.printSchema();
> {code}
> The table shcema will be
> {code:java}
> Source table schema :
> root
> |-- first: Row(first001: Integer)
> |-- second: Row(first001: Integer)
> |-- timestamp: TimeIndicatorTypeInfo(proctime)
> {code}
> the second field has the same name with the first field.
> So, we should consider the fieldnames in RowTypeInfo#equals()
>
>
>
>
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