[SPARK-48759][SQL] Add migration doc for CREATE TABLE AS SELECT behavior change behavior change since Spark 3.4 - #47152

[SPARK-48759][SQL] Add migration doc for CREATE TABLE AS SELECT behavior change behavior change since Spark 3.4#47152

asl3 wants to merge 2 commits into

apache:masterapache/spark:masterfrom

asl3:allowNonEmptyLocationInCTASasl3/spark:allowNonEmptyLocationInCTASCopy head branch name to clipboard