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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2019/06/11 21:08:34 UTC
[GitHub] [spark] liancheng commented on issue #24809: [SPARK-21136][SQL]
Disallow FROM-only statements and show better warnings for Hive-style
single-from statements
liancheng commented on issue #24809: [SPARK-21136][SQL] Disallow FROM-only statements and show better warnings for Hive-style single-from statements
URL: https://github.com/apache/spark/pull/24809#issuecomment-501023688
> Deprecate the `FROM table` statement, which is supported by accident and is actually parsed in the wrong code path.
@yeshengm, "deprecate" in the PR description is inaccurate. This PR drops this syntax entirely instead of deprecating it, which usually means that we present a deprecation warning when a feature is used and remove it after a few releases.
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