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[SPARK-17947] [SQL] Add Doc and Comment about spark.sql.debug #15494

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[SPARK-17947] [SQL] Add Doc and Comment about spark.sql.debug #15494

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gatorsmile Oct 14, 2016
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gatorsmile Oct 14, 2016
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gatorsmile Oct 14, 2016
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3 changes: 3 additions & 0 deletions sql/core/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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Expand Up @@ -916,8 +916,11 @@ object StaticSQLConf {
.intConf
.createWithDefault(4000)

// When enabling the debug, Spark SQL internal table properties are not filtered out; however,
// some related DDL commands (e.g., ANALYZE TABLE and CREATE TABLE LIKE) might not work properly.
val DEBUG_MODE = buildConf("spark.sql.debug")
.internal()
.doc("Only used for internal debugging. Not all functions are supported when it is enabled.")
.booleanConf
.createWithDefault(false)
}