cloud-fan commented on a change in pull request #29107:
URL: https://github.com/apache/spark/pull/29107#discussion_r458638512
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/DataFrameSetOperationsSuite.scala
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@@ -428,7 +428,7 @@ class DataFrameSetOperationsSuite extends QueryTest with
SharedSparkSession {
errMsg = intercept[AnalysisException] {
df1.unionByName(df2)
}.getMessage
- assert(errMsg.contains("""Cannot resolve column name "b" among (a, c,
d)"""))
+ assert(errMsg.contains("""Cannot resolve column name `b` among (a, c,
d)"""))
Review comment:
Shall we keep the previous error message? In general we should only use
backticks when necessary(has special chars)
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