linhongliu-db opened a new pull request, #53158:
URL: https://github.com/apache/spark/pull/53158
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### What changes were proposed in this pull request?
This PR implements the command to create metric views and the analysis rule
to resolve a metric view query:
- CREATE Metric view
- Add SQL grammar to support `WITH METRIC` when creating a view
- Add dollar-quoted string support for YAML definitions
- Implement CreateMetricViewCommand to analyze the view body
- Use a table property to indicate that the View is a metric view since
HIVE has no dedicated table type
- SELECT Metric view
- Update SessionCatalog to parse metric view definitions on read
- Add MetricViewPlanner utility to parse the YAML definition and construct
an unresolved plan
- Add ResolveMetricView rule to substitute the dimensions and measures
reference to actual expressions
NOTE: This PR depends on https://github.com/apache/spark/pull/53146
### Why are the changes needed?
[SPIP: Metrics & semantic modeling in
Spark](https://docs.google.com/document/d/1xVTLijvDTJ90lZ_ujwzf9HvBJgWg0mY6cYM44Fcghl0/edit?tab=t.0#heading=h.4iogryr5qznc)
### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?
```
build/sbt "hive/testOnly
org.apache.spark.sql.execution.SimpleMetricViewSuite"
build/sbt "hive/testOnly
org.apache.spark.sql.hive.execution.HiveMetricViewSuite"
```
### Was this patch authored or co-authored using generative AI tooling?
No
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