Package org.apache.hadoop.hive.ql.plan

Examples of org.apache.hadoop.hive.ql.plan.showTablesDesc

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      descFunctionDesc descFunc = work.getDescFunctionDesc();
      if (descFunc != null) {
        return describeFunction(descFunc);
      }

      showTablesDesc showTbls = work.getShowTblsDesc();
      if (showTbls != null) {
        return showTables(db, showTbls);
      }

      showFunctionsDesc showFuncs = work.getShowFuncsDesc();
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    setFetchTask(createFetchTask(showPartsDesc.getSchema()));
  }
 
  private void analyzeShowTables(ASTNode ast)
  throws SemanticException {
    showTablesDesc showTblsDesc;
    if (ast.getChildCount() == 1)
    {
      String tableNames = unescapeSQLString(ast.getChild(0).getText());   
      showTblsDesc = new showTablesDesc(ctx.getResFile(), tableNames);
    }
    else {
      showTblsDesc = new showTablesDesc(ctx.getResFile());
    }
    rootTasks.add(TaskFactory.get(new DDLWork(showTblsDesc), conf));
    setFetchTask(createFetchTask(showTblsDesc.getSchema()));
  }
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          return 1;
        }
        return 0;
      }

      showTablesDesc showTbls = work.getShowTblsDesc();
      if (showTbls != null) {
        // get the tables for the desired pattenn - populate the output stream
        List<String> tbls = null;
        if (showTbls.getPattern() != null)
        {
          LOG.info("pattern: " + showTbls.getPattern());
          tbls = db.getTablesByPattern(showTbls.getPattern());
          LOG.info("results : " + tbls.size());
        }
        else
          tbls = db.getAllTables();
       
        // write the results in the file
        try {
          DataOutput outStream = (DataOutput)fs.create(showTbls.getResFile());
          SortedSet<String> sortedTbls = new TreeSet<String>(tbls);
          Iterator<String> iterTbls = sortedTbls.iterator();
          boolean firstCol = true;
          while (iterTbls.hasNext())
          {
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    rootTasks.add(TaskFactory.get(new DDLWork(showPartsDesc), conf));
  }
 
  private void analyzeShowTables(CommonTree ast)
  throws SemanticException {
    showTablesDesc showTblsDesc;
    if (ast.getChildCount() == 1)
    {
      String tableNames = unescapeSQLString(ast.getChild(0).getText());   
      showTblsDesc = new showTablesDesc(ctx.getResFile(), tableNames);
    }
    else
      showTblsDesc = new showTablesDesc(ctx.getResFile());
    rootTasks.add(TaskFactory.get(new DDLWork(showTblsDesc), conf));
  }
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Related Classes of org.apache.hadoop.hive.ql.plan.showTablesDesc

  • org.apache.hadoop.hive.ql.exec.DDLTask
  • org.apache.hadoop.hive.ql.parse.DDLSemanticAnalyzer
  • org.apache.hcatalog.cli.SemanticAnalysis.HCatSemanticAnalyzer
  • org.apache.hive.hcatalog.cli.SemanticAnalysis.HCatSemanticAnalyzer
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