[SPARK-19512] codegen for compare structs fails

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.0, 2.1.0
• Fix Version/s: 2.1.1, 2.2.0
• Component/s: SQL
• Assignee: Bogdan Raducanu
• Reporter: Bogdan Raducanu
• Created: 08/Feb/17 10:18
• Updated: 09/May/18 06:06
• Resolved: 09/Feb/17 18:16

Description

This (1 struct field)

1 struct field

spark.range(10)
      .selectExpr("named_struct('a', id) as col1", "named_struct('a', id+2) as col2")
      .filter("col1 = col2").count

fails with

[info]   Cause: java.util.concurrent.ExecutionException: java.lang.Exception: failed to compile: org.codehaus.commons.compiler.CompileException: File 'generated.java', Line 144, Column 32: Expression "range_value" is not an rvalue

This (2 struct fields)

2 struct fields

spark.range(10)
    .selectExpr("named_struct('a', id, 'b', id) as col1", "named_struct('a',id+2, 'b',id+2) as col2")
    .filter($"col1" === $"col2").count

fails with

Caused by: java.lang.IndexOutOfBoundsException: 1
  at scala.collection.LinearSeqOptimized$class.apply(LinearSeqOptimized.scala:65)
  at scala.collection.immutable.List.apply(List.scala:84)
  at org.apache.spark.sql.catalyst.expressions.BoundReference.doGenCode(BoundAttribute.scala:64)

Issue Links

• is duplicated by: SPARK-20111 codegen bug surfaced by GraphFrames issue 165
• links to: [Github] Pull Request #16852 (bogdanrdc)
• links to: [Github] Pull Request #16875 (bogdanrdc)