Cheng Lian created SPARK-3609:
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Summary: Add sizeInBytes statistics to Limit operator
Key: SPARK-3609
URL: https://issues.apache.org/jira/browse/SPARK-3609
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 1.1.0
Reporter: Cheng Lian
The {{sizeInBytes}} statistics of a {{LIMIT}} operator can be estimated fairly
precisely when all output attributes are of native data types, all native data
types except {{StringType}} have fixed size. For {{StringType}}, we can use a
relatively large (say 4K) default size.
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