[GitHub] spark pull request #23031: [SPARK-26060][SQL] Track SparkConf entries and ma...

[vanzin <gi...@git.apache.org>]

Github user vanzin commented on a diff in the pull request:

    https://github.com/apache/spark/pull/23031#discussion_r233986989
  
    --- Diff: sql/core/src/main/scala/org/apache/spark/sql/RuntimeConfig.scala ---
    @@ -154,5 +154,9 @@ class RuntimeConfig private[sql](sqlConf: SQLConf = new SQLConf) {
         if (SQLConf.staticConfKeys.contains(key)) {
           throw new AnalysisException(s"Cannot modify the value of a static config: $key")
         }
    +    if (sqlConf.setCommandRejectsSparkConfs &&
    +        ConfigEntry.findEntry(key) != null && !SQLConf.sqlConfEntries.containsKey(key)) {
    +      throw new AnalysisException(s"Cannot modify the value of a spark config: $key")
    --- End diff --
    
    Spark


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