[GitHub] [spark] planga82 commented on a change in pull request #26182: [SPARK-29523][SQL] SHOW COLUMNS should do multi-catalog resolution.

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planga82 commented on a change in pull request #26182: [SPARK-29523][SQL] SHOW COLUMNS should do multi-catalog resolution.
URL: https://github.com/apache/spark/pull/26182#discussion_r336796449
 
 

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 File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala
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 @@ -2728,4 +2728,19 @@ class AstBuilder(conf: SQLConf) extends SqlBaseBaseVisitor[AnyRef] with Logging
   override def visitRepairTable(ctx: RepairTableContext): LogicalPlan = withOrigin(ctx) {
     RepairTableStatement(visitMultipartIdentifier(ctx.multipartIdentifier()))
   }
+
+  /**
+   * A command for users to list the column names for a table.
+   * This function creates a [[ShowColumnsStatement]] logical plan.
+   *
+   * The syntax of using this command in SQL is:
+   * {{{
+   *   SHOW COLUMNS (FROM | IN) table_identifier [(FROM | IN) database];
 
 Review comment:
   Yes, copy / paste problem

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