HeartSaVioR commented on code in PR #58562:
URL: https://github.com/apache/spark/pull/58562#discussion_r3967083583
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sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala:
##########
@@ -3702,6 +3702,17 @@ object SQLConf {
.booleanConf
.createWithDefault(false)
+ val ALLOW_EXCEPT_ON_STREAMING_DATAFRAME =
+ buildConf("spark.sql.streaming.allowExceptOnStreamingDataFrame")
+ .internal()
+ .doc("When true, allow EXCEPT operations with a streaming DataFrame on
the left side. " +
Review Comment:
Will clarify more.
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sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/analysis/UnsupportedOperationsSuite.scala:
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@@ -774,13 +774,33 @@ class UnsupportedOperationsSuite extends SparkFunSuite
with SQLHelper {
streamBatchSupported = false,
batchStreamSupported = false)
- // Except: *-stream not supported
+ // Except: streaming input on either side is not supported
Review Comment:
Will do.
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