Haohui Mai created FLINK-6780:
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Summary: ExternalTableSource fails to add the processing time and
the event time attribute in the row type
Key: FLINK-6780
URL: https://issues.apache.org/jira/browse/FLINK-6780
Project: Flink
Issue Type: Bug
Reporter: Haohui Mai
Assignee: Haohui Mai
Priority: Critical
We observed that all streaming queries that refer to external tables fail when
the Volcano planner converting {{LogicalTableScan}} to
{{FlinkLogicalTableSourceScan}}:
{noformat}
Type mismatch:
rowtype of new rel:
RecordType(<table schema>, TIMESTAMP(3) NOT NULL proctime) NOT NULL
rowtype of set:
RecordType(<table schema>, ...) NOT NULL
{noformat}
Tables that are registered through
{{StreamTableEnvironment#registerTableSource()}} do not suffer from this
problem as {{StreamTableSourceTable}} adds the processing time / event time
attribute automatically.
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