deshanxiao created SPARK-27171:
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Summary: Support Full-Partiton limit in the first scan
Key: SPARK-27171
URL: https://issues.apache.org/jira/browse/SPARK-27171
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 2.4.0, 2.3.2
Reporter: deshanxiao
SparkPlan#executeTake must pick element starting with one partition. Sometimes
it will be slow for some query. Although, Spark is better at batch query. It's
not bad to add a switch to allow user search all partitons for the first time
in limit.
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