Jiajun Xie created CALCITE-5392:
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Summary: Support Snapshot in RelMdExpressionLineage
Key: CALCITE-5392
URL: https://issues.apache.org/jira/browse/CALCITE-5392
Project: Calcite
Issue Type: Improvement
Components: core
Reporter: Jiajun Xie
Assignee: Jiajun Xie
For example:
{code:java}
select productid from products_temporal
for system_time as of TIMESTAMP '2022-11-19 00:00:00'
{code}
The `productid` expression lineage is null because `RelMdExpressionLineage`
does not implement the corresponding method.
We can implement method that for SNAPSHOT like other RelNode.
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