[SPARK-53563][PS] Optimize: sql_processor by avoiding inefficient string concatenation #52322
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What changes were proposed in this pull request?
Improves performance in
sql_processorby building a string in a list to avoid repeatedly concatenating immutable Python strings. Addresses a "todo" comment I stumbled across in the code.Why are the changes needed?
Performance improvement
Does this PR introduce any user-facing change?
No
How was this patch tested?
Passes existing tests
Was this patch authored or co-authored using generative AI tooling?
No