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Posted to issues@flink.apache.org by "sunjincheng (JIRA)" <ji...@apache.org> on 2017/02/01 15:44:51 UTC
[jira] [Created] (FLINK-5695) Optimize table type systems based on
database semantics
sunjincheng created FLINK-5695:
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Summary: Optimize table type systems based on database semantics
Key: FLINK-5695
URL: https://issues.apache.org/jira/browse/FLINK-5695
Project: Flink
Issue Type: Sub-task
Components: Table API & SQL
Reporter: sunjincheng
Assignee: sunjincheng
Optimize table type systems based on database semantics.As follows:
groupBy
-------------------->
Table GroupedTable
∧ <-------------------- ∧
| select&agg |
| |
| where |
| select | groupBy
| agg |
| ... |
| window |
∨ --------------------->
Table WindowedTable
<---------------------
select&over
So, I want remove table Type "WindowGroupedTable".
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