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From xwu0226 <...@git.apache.org>
Subject [GitHub] spark pull request: [SPARK-15431][SQL] Support LIST FILE(s)|JAR(s)...
Date Mon, 23 May 2016 20:16:26 GMT
Github user xwu0226 commented on a diff in the pull request:

    https://github.com/apache/spark/pull/13212#discussion_r64281099
  
    --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlParser.scala
---
    @@ -774,13 +774,42 @@ class SparkSqlAstBuilder(conf: SQLConf) extends AstBuilder {
       }
     
       /**
    -   * Create an [[AddJarCommand]] or [[AddFileCommand]] command depending on the requested
resource.
    +   * Create a [[AddFileCommand]], [[AddJarCommand]], [[ListFilesCommand]] or [[ListJarsCommand]]
    +   * command depending on the requested operation on resources.
    +   * Expected format:
    +   * {{{
    +   *   ADD (FILE[s] [filepath ...] | JAR[s] [jarpath ...])
    +   *   DELETE (FILE[s] [filepath ...] | JAR[s] [jarpath ...])
    +   *   LIST (FILE[s] [filepath ...] | JAR[s] [jarpath ...])
    +   * }}}
        */
    -  override def visitAddResource(ctx: AddResourceContext): LogicalPlan = withOrigin(ctx)
{
    -    ctx.identifier.getText.toLowerCase match {
    -      case "file" => AddFileCommand(remainder(ctx.identifier).trim)
    -      case "jar" => AddJarCommand(remainder(ctx.identifier).trim)
    -      case other => throw operationNotAllowed(s"ADD with resource type '$other'",
ctx)
    +  override def visitManageResource(ctx: ManageResourceContext): LogicalPlan = withOrigin(ctx)
{
    +    val mayebePaths = remainder(ctx.identifier).trim
    +    ctx.op.getType match {
    +      case SqlBaseParser.ADD =>
    +        ctx.identifier.getText.toLowerCase match {
    +          case "file" => AddFileCommand(mayebePaths)
    +          case "jar" => AddJarCommand(mayebePaths)
    +          case other => throw operationNotAllowed(s"ADD with resource type '$other'",
ctx)
    +        }
    +      case SqlBaseParser.DELETE =>
    +        throw operationNotAllowed(s"DELETE resources", ctx)
    +      case SqlBaseParser.LIST =>
    +        ctx.identifier.getText.toLowerCase match {
    +          case "files" | "file" =>
    +            if (mayebePaths.length > 0) {
    +              ListFilesCommand(mayebePaths.split("\\s+"))
    --- End diff --
    
    Thanks!


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