Package org.apache.hadoop.hive.ql.parse

Examples of org.apache.hadoop.hive.ql.parse.VariableSubstitution

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  // returns non-null string for validation fail
  private void setConf(String varname, String key, String varvalue, boolean register)
        throws IllegalArgumentException {
    HiveConf conf = SessionState.get().getConf();
    String value = new VariableSubstitution().substitute(conf, varvalue);
    if (conf.getBoolVar(HiveConf.ConfVars.HIVECONFVALIDATION)) {
      HiveConf.ConfVars confVars = HiveConf.getConfVars(key);
      if (confVars != null && !confVars.isType(value)) {
        StringBuilder message = new StringBuilder();
        message.append("'SET ").append(varname).append('=').append(varvalue);
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        }
      }
    } else if (cmd_trimmed.startsWith("!")) {

      String shell_cmd = cmd_trimmed.substring(1);
      shell_cmd = new VariableSubstitution().substitute(ss.getConf(), shell_cmd);

      // shell_cmd = "/bin/bash -c \'" + shell_cmd + "\'";
      try {
        Process executor = Runtime.getRuntime().exec(shell_cmd);
        StreamPrinter outPrinter = new StreamPrinter(executor.getInputStream(), null, ss.out);
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      ss.getOverriddenConfigurations().put((String) item.getKey(), (String) item.getValue());
    }

    // read prompt configuration and substitute variables.
    prompt = conf.getVar(HiveConf.ConfVars.CLIPROMPT);
    prompt = new VariableSubstitution().substitute(conf, prompt);
    prompt2 = spacesForString(prompt);

    SessionState.start(ss);

    // connect to Hive Server
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      // In Hive server mode, we are not able to retry in the FetchTask
      // case, when calling fetch queries since execute() has returned.
      // For now, we disable the test attempts.
      driver.setTryCount(Integer.MAX_VALUE);

      String subStatement = new VariableSubstitution().substitute(getParentSession().getHiveConf(), statement);

      response = driver.run(subStatement);
      if (0 != response.getResponseCode()) {
        throw new HiveSQLException("Error while processing statement: "
            + response.getErrorMessage(), response.getSQLState(), response.getResponseCode());
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Related Classes of org.apache.hadoop.hive.ql.parse.VariableSubstitution

  • org.apache.hadoop.hive.cli.CliDriver
  • org.apache.hadoop.hive.ql.Driver
  • org.apache.hadoop.hive.ql.processors.AddResourceProcessor
  • org.apache.hadoop.hive.ql.processors.CompileProcessor
  • org.apache.hadoop.hive.ql.processors.DeleteResourceProcessor
  • org.apache.hadoop.hive.ql.processors.DfsProcessor
  • org.apache.hadoop.hive.ql.processors.SetProcessor
  • org.apache.hive.service.cli.operation.SQLOperation
  • java.util.regex.Matcher
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