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https://issues.apache.org/jira/browse/FLINK-16265?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17044105#comment-17044105
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Jingsong Lee commented on FLINK-16265:
--------------------------------------

I think the fix we can do could be comparing {{LogicalType}} in 
{{TableSchema.equals/hashCode}} instead of DataType with conversion classes.

> TPC-H end-to-end test (Blink Planner): Encodings that differ from the schema 
> are not supported yet for CsvTableSources.
> -----------------------------------------------------------------------------------------------------------------------
>
>                 Key: FLINK-16265
>                 URL: https://issues.apache.org/jira/browse/FLINK-16265
>             Project: Flink
>          Issue Type: Bug
>          Components: Table SQL / Planner
>    Affects Versions: 1.11.0
>            Reporter: Robert Metzger
>            Assignee: Jingsong Lee
>            Priority: Major
>              Labels: test-stability
>
> https://travis-ci.org/apache/flink/jobs/654409371
> {code}
> Dispatcher REST endpoint is up.
> Running query #1...
> Exception in thread "main" org.apache.flink.table.client.SqlClientException: 
> Unexpected exception. This is a bug. Please consider filing an issue.
>       at org.apache.flink.table.client.SqlClient.main(SqlClient.java:190)
> Caused by: org.apache.flink.table.client.gateway.SqlExecutionException: Could 
> not create execution context.
>       at 
> org.apache.flink.table.client.gateway.local.ExecutionContext$Builder.build(ExecutionContext.java:779)
>       at 
> org.apache.flink.table.client.gateway.local.LocalExecutor.openSession(LocalExecutor.java:228)
>       at org.apache.flink.table.client.SqlClient.start(SqlClient.java:98)
>       at org.apache.flink.table.client.SqlClient.main(SqlClient.java:178)
> Caused by: org.apache.flink.table.api.TableException: Encodings that differ 
> from the schema are not supported yet for CsvTableSources.
>       at 
> org.apache.flink.table.sources.CsvTableSourceFactoryBase.createTableSource(CsvTableSourceFactoryBase.java:127)
>       at 
> org.apache.flink.table.sources.CsvAppendTableSourceFactory.createStreamTableSource(CsvAppendTableSourceFactory.java:46)
>       at 
> org.apache.flink.table.factories.StreamTableSourceFactory.createTableSource(StreamTableSourceFactory.java:55)
>       at 
> org.apache.flink.table.factories.TableSourceFactory.createTableSource(TableSourceFactory.java:63)
>       at 
> org.apache.flink.table.factories.TableSourceFactory.createTableSource(TableSourceFactory.java:74)
>       at 
> org.apache.flink.table.client.gateway.local.ExecutionContext.createTableSource(ExecutionContext.java:384)
>       at 
> org.apache.flink.table.client.gateway.local.ExecutionContext.lambda$initializeCatalogs$6(ExecutionContext.java:585)
>       at java.util.LinkedHashMap.forEach(LinkedHashMap.java:684)
>       at 
> org.apache.flink.table.client.gateway.local.ExecutionContext.initializeCatalogs(ExecutionContext.java:583)
>       at 
> org.apache.flink.table.client.gateway.local.ExecutionContext.initializeTableEnvironment(ExecutionContext.java:520)
>       at 
> org.apache.flink.table.client.gateway.local.ExecutionContext.<init>(ExecutionContext.java:165)
>       at 
> org.apache.flink.table.client.gateway.local.ExecutionContext.<init>(ExecutionContext.java:122)
>       at 
> org.apache.flink.table.client.gateway.local.ExecutionContext$Builder.build(ExecutionContext.java:768)
>       ... 3 more
> [FAIL] Test script contains errors.
> {code}



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