wangfei created SPARK-1512:
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Summary: improve spark sql to support table with more than 22
fields
Key: SPARK-1512
URL: https://issues.apache.org/jira/browse/SPARK-1512
Project: Spark
Issue Type: Improvement
Components: SQL
Reporter: wangfei
Fix For: 1.0.0
spark sql use case class to define a table, so 22 fields limit in case classes
lead to spark sql not support wide(more than 22 fields) tables. wide table is
common in many cases
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