[SPARK-48709][SQL][3.5] Fix varchar type resolution mismatch for DataSourceV2 CTAS #47103
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HyukjinKwon
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yaooqinn
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…SourceV2 CTAS Backport of #47082. ### What changes were proposed in this pull request? This PR fixes varchar type resolution mismatch for DataSourceV2 CTAS. For example: ```sql set spark.sql.storeAssignmentPolicy=LEGACY; CREATE TABLE testcat.ns.t1 (d1 string, d2 varchar(200)) USING parquet; CREATE TABLE testcat.ns.t2 USING foo as select * from testcat.ns.t1 ``` Error message: ``` org.apache.spark.sql.AnalysisException: LEGACY store assignment policy is disallowed in Spark data source V2. Please set the configuration spark.sql.storeAssignmentPolicy to other values. ``` ### Why are the changes needed? Avoid query failures. ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? Unit test. ### Was this patch authored or co-authored using generative AI tooling? No. Closes #47103 from wangyum/SPARK-48709-branch-3.5. Authored-by: Yuming Wang <yumwang@ebay.com> Signed-off-by: Kent Yao <yao@apache.org>
yaooqinn
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Backport of #47082.
What changes were proposed in this pull request?
This PR fixes varchar type resolution mismatch for DataSourceV2 CTAS. For example:
Error message:
Why are the changes needed?
Avoid query failures.
Does this PR introduce any user-facing change?
No.
How was this patch tested?
Unit test.
Was this patch authored or co-authored using generative AI tooling?
No.