yue qian zhu created SPARK-11547:
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Summary: Set JDBC fetchSize default value to make it easier to
operate
Key: SPARK-11547
URL: https://issues.apache.org/jira/browse/SPARK-11547
Project: Spark
Issue Type: Improvement
Components: SQL
Reporter: yue qian zhu
Priority: Critical
Fix For: 1.5.1
if I do not set any properties manual for jdbc, when I show the data in the
table, it will throw a java.lang.NullPointerException
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