Yury Gerzhedovich created IGNITE-16192:
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Summary: Calcite. Support hidden columns
Key: IGNITE-16192
URL: https://issues.apache.org/jira/browse/IGNITE-16192
Project: Ignite
Issue Type: New Feature
Components: sql
Reporter: Yury Gerzhedovich
We should have ability to hide some columns. At first glance it's *_key*
column. It really important for autogenerated PK.
Such columns couldn't be accessed for 'select * ' query, but available for
explicit use in select statement.
Another example of hidden column is Oracle *rownum*.
Also another databases have support hidden (invisible) columns which could be
created user explicitly and amend the visibility through ALTER statement.
Maybe we should consider possible extension it for future to support one.
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