Shohei Okumiya

HIVE-28549: Limit the maximum number of operators merged by SharedWorkOptimizer

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### What changes were proposed in this pull request? This PR would limit the maximum number of table scan operators which SWO tries to merge. https://issues.apache.org/jira/browse/HIVE-28549 ### Why are the...

HIVE-28548: Subdivide memory size allocated to parallel operators

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### What changes were proposed in this pull request? Let each operator know how much it can use at maximum. ### Why are the changes needed? We observed OOM happens...

HIVE-28998: Support Iceberg REST Catalog without authentication

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### What changes were proposed in this pull request? This PR would add a new authentication mode, NONE, to the Iceberg REST Catalog API. The currently supported SIMPLE and JWT...

HIVE-29016: Disable caching on the Iceberg REST Catalog

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### What changes were proposed in this pull request? Remove caching on the Iceberg REST API server. It's mainly because the current code didn't work with caching correctly, as stated...

HIVE-13748: TypeInfoParser cannot handle symbols in the field name of STRUCT

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### What changes were proposed in this pull request? https://issues.apache.org/jira/browse/HIVE-13748 I assume the STRUCT type of Hive derives from the ROW type of ANSI SQL. Based on "4.10 Row types"...

HIVE-28798: Bucket Map Join partially using partition transforms

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### What changes were proposed in this pull request? This PR updates `OpTraitsRulesProcFactory.SelectRule` to propagate bucketing information when the source is an Iceberg table, and only a subset of bucketing...

[WIP] HIVE-28818: Snapshot-level Partition-Aware Optimization

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Don't review. This requires #5792 ### What changes were proposed in this pull request? ### Why are the changes needed? ### Does this PR introduce _any_ user-facing change? ### How...

HIVE-28618: TestGenericUDTFGetSQLSchema to run on Tez

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### What changes were proposed in this pull request? Let `TestGenericUDTFGetSQLSchema.testWithDDL` on Tez. https://issues.apache.org/jira/browse/HIVE-28618 On Tez, we see the NPE when we run [StatsRulesProcFactory](https://github.com/apache/hive/blob/be59bd0b445096e431c18bbfa0d682c78ba18b76/ql/src/java/org/apache/hadoop/hive/ql/optimizer/stats/annotation/StatsRulesProcFactory.java#L177), which is triggered by [TezCompiler](https://github.com/apache/hive/blob/be59bd0b445096e431c18bbfa0d682c78ba18b76/ql/src/java/org/apache/hadoop/hive/ql/parse/TezCompiler.java#L202). `SHOW...

TEZ-4604: tez-mapreduce does not delete files under staging directory

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https://issues.apache.org/jira/browse/TEZ-4604

[WIP] HIVE-29349: Upgrade testcontainers

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### What changes were proposed in this pull request? ### Why are the changes needed? ### Does this PR introduce _any_ user-facing change? ### How was this patch tested?