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

    https://github.com/apache/spark/pull/5806#discussion_r29823886
  
    --- Diff: 
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
 ---
    @@ -41,11 +44,17 @@ object SimpleAnalyzer extends Analyzer(EmptyCatalog, 
EmptyFunctionRegistry, true
     class Analyzer(
         catalog: Catalog,
         registry: FunctionRegistry,
    -    caseSensitive: Boolean,
    +    conf: CatalystConf,
         maxIterations: Int = 100)
       extends RuleExecutor[LogicalPlan] with HiveTypeCoercion with 
CheckAnalysis {
     
    -  val resolver = if (caseSensitive) caseSensitiveResolution else 
caseInsensitiveResolution
    +  def resolver: Resolver = {
    --- End diff --
    
    Don't need to change this into a function because it'll never change. 
    
    I'm more of a fan of this:
    ```
    val resolver = caseSensitive ? caseSensitiveResolution : 
caseInsensitiveResolution;
    ```


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