Kousuke Saruta created SPARK-15205:
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Summary: Codegen can compile more than twice for the same source
code
Key: SPARK-15205
URL: https://issues.apache.org/jira/browse/SPARK-15205
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.0.0
Reporter: Kousuke Saruta
Sometimes, we have generated codes they are equal except for comments.
One example is here.
{code}
val df = sc.parallelize(1 to 10).toDF
df.selectExpr("value + 1").show // query1
df.selectExpr("value + 2").show // query2
{code}
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