[GitHub] spark pull request #21305: [SPARK-24251][SQL] Add AppendData logical plan.

[cloud-fan <gi...@git.apache.org>]

Github user cloud-fan commented on a diff in the pull request:

    https://github.com/apache/spark/pull/21305#discussion_r206745251
  
    --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala ---
    @@ -2217,6 +2218,100 @@ class Analyzer(
         }
       }
     
    +  /**
    +   * Resolves columns of an output table from the data in a logical plan. This rule will:
    +   *
    +   * - Reorder columns when the write is by name
    +   * - Insert safe casts when data types do not match
    +   * - Insert aliases when column names do not match
    +   * - Detect plans that are not compatible with the output table and throw AnalysisException
    +   */
    +  object ResolveOutputRelation extends Rule[LogicalPlan] {
    +    override def apply(plan: LogicalPlan): LogicalPlan = plan transform {
    --- End diff --
    
    now we need to call `resolveOperators` instead of `transform`


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