[SPARK-52812][SQL] Make Spark Connect Catalog.createTable eager#56064
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What changes were proposed in this pull request?
This PR makes Spark Connect Catalog.createTable eager. Previously, createTable() only constructed a lazy DataFrame, requiring users to explicitly trigger an action such as .collect() for the table creation to actually execute. This change eagerly executes the command internally while preserving the existing return type. A regression test has also been added to verify that tables are created immediately without requiring an explicit action.
Why are the changes needed?
Catalog.createTable() is a side-effecting operation and should execute eagerly to match expected Catalog API semantics.
Does this PR introduce any user-facing change?
Yes. Previously spark.catalog.createTable(....) did not immediately create the table in Spark Connect unless an action was triggered. Now the table is created eagerly.
How was this patch tested?
Was this patch authored or co-authored using generative AI tooling?
No