[spark] branch master updated (12e1bba -> 3db3e39)

[do...@apache.org]

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dongjoon pushed a change to branch master
in repository https://gitbox.apache.org/repos/asf/spark.git.


    from 12e1bba  Revert "[SPARK-30642][SPARK-30659][SPARK-30660][SPARK-30662]"
     add 3db3e39  [SPARK-28228][SQL] Change the default behavior for name conflict in nested WITH clause

No new revisions were added by this update.

Summary of changes:
 docs/sql-migration-guide.md                        |  2 +-
 .../sql/catalyst/analysis/CTESubstitution.scala    | 49 +++++++++++++++++++++-
 .../org/apache/spark/sql/internal/SQLConf.scala    |  6 ++-
 .../resources/sql-tests/inputs/cte-nonlegacy.sql   |  2 +
 .../results/{cte.sql.out => cte-nonlegacy.sql.out} |  0
 .../test/resources/sql-tests/results/cte.sql.out   | 30 +++++++------
 6 files changed, 72 insertions(+), 17 deletions(-)
 create mode 100644 sql/core/src/test/resources/sql-tests/inputs/cte-nonlegacy.sql
 copy sql/core/src/test/resources/sql-tests/results/{cte.sql.out => cte-nonlegacy.sql.out} (100%)


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