Individual skill

spark_sql

Use when writing, reviewing, debugging, or optimizing production Spark SQL for Hive/lakehouse/HDFS tables, including CTE-heavy queries, joins, windows, partition pruning, Hive Metastore operations, insert/overwrite safety, query hints, statistics, EXPLAIN plans, AQE, skew, materialization, and SQL performance diagnostics.

skills/spark_sql/SKILL.md

Source commit 75f49e7bf30c9908a0921911755abb6cc6c01f7b

What was checked

Matches the observed repository HEAD

Yes

Scanner rules are current

No

Repository scan complete

No

Skill scan complete

No

Observed behavior

Not checked yet

Last checked

Nov 6, 2026

These are observations at the recorded commit, not a guarantee of safety. Review the source before running it.

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