Dawid Wysakowicz created FLINK-12799:
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Summary: Improve expression based TableSchema extraction from
DataStream/DataSet
Key: FLINK-12799
URL: https://issues.apache.org/jira/browse/FLINK-12799
Project: Flink
Issue Type: Sub-task
Reporter: Dawid Wysakowicz
Assignee: Dawid Wysakowicz
Fix For: 1.9.0
We should improve the extraction of {{TableSchema}} from
{{DataStream/DataSet}}. Currently it is split into two stages:
# We extract types ignoring time attributes via {{FieldInfoUtils#getFieldInfo}}
# We extract rowtime and proctime positions via
{{StreamTableEnvImpl#validateAndExtractTimeAttributes}}
# We adjust indices from #1 using information from #2
All that could happen in a single pass. This will also deal with
porting/removing few methods from {{StreamTableEnvImpl}}.
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