Package org.apache.hadoop.hive.metastore

Examples of org.apache.hadoop.hive.metastore.HiveMetaException

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  }

  public HiveSchemaTool(String hiveHome, HiveConf hiveConf, String dbType)
        throws HiveMetaException {
    if (hiveHome == null || hiveHome.isEmpty()) {
      throw new HiveMetaException("No Hive home directory provided");
    }
    this.hiveConf = hiveConf;
    this.dbType = dbType;
    this.metaStoreSchemaInfo = new MetaStoreSchemaInfo(hiveHome, hiveConf, dbType);
    userName = hiveConf.get(ConfVars.METASTORE_CONNECTION_USER_NAME.varname);
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    }
    try {
      Statement stmt = metastoreConn.createStatement();
      ResultSet res = stmt.executeQuery(versionQuery);
      if (!res.next()) {
        throw new HiveMetaException("Didn't find version data in metastore");
      }
      String currentSchemaVersion = res.getString(1);
      metastoreConn.close();
      return currentSchemaVersion;
    } catch (SQLException e) {
      throw new HiveMetaException("Failed to get schema version.", e);
    }
  }
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  private void testConnectionToMetastore() throws HiveMetaException {
    Connection conn = getConnectionToMetastore(true);
    try {
      conn.close();
    } catch (SQLException e) {
      throw new HiveMetaException("Failed to close metastore connection", e);
    }
  }
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        System.out.println("Metastore connection URL:\t " + connectionURL);
        System.out.println("Metastore Connection Driver :\t " + driver);
        System.out.println("Metastore connection User:\t " + userName);
      }
      if ((userName == null) || userName.isEmpty()) {
        throw new HiveMetaException("UserName empty ");
      }

      // load required JDBC driver
      Class.forName(driver);

      // Connect using the JDBC URL and user/pass from conf
      return DriverManager.getConnection(connectionURL, userName, passWord);
    } catch (IOException e) {
      throw new HiveMetaException("Failed to get schema version.", e);
    } catch (SQLException e) {
      throw new HiveMetaException("Failed to get schema version.", e);
    } catch (ClassNotFoundException e) {
      throw new HiveMetaException("Failed to load driver", e);
    }
  }
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    }
    String newSchemaVersion =
        getMetaStoreSchemaVersion(getConnectionToMetastore(false));
    // verify that the new version is added to schema
    if (!MetaStoreSchemaInfo.getHiveSchemaVersion().equalsIgnoreCase(newSchemaVersion)) {
      throw new HiveMetaException("Found unexpected schema version " + newSchemaVersion);
    }
  }
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   * @throws MetaException
   */
  public void doUpgrade() throws HiveMetaException {
    String fromVersion = getMetaStoreSchemaVersion(getConnectionToMetastore(false));
    if (fromVersion == null || fromVersion.isEmpty()) {
      throw new HiveMetaException("Schema version not stored in the metastore. " +
          "Metastore schema is too old or corrupt. Try specifying the version manually");
    }
    doUpgrade(fromVersion);
  }
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          runBeeLine(scriptDir, scriptFile);
          System.out.println("Completed " + scriptFile);
        }
      }
    } catch (IOException eIO) {
      throw new HiveMetaException(
          "Upgrade FAILED! Metastore state would be inconsistent !!", eIO);
    }

    // Revalidated the new version after upgrade
    verifySchemaVersion();
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      if (!dryRun) {
        runBeeLine(initScriptDir, initScriptFile);
        System.out.println("Initialization script completed");
      }
    } catch (IOException e) {
      throw new HiveMetaException("Schema initialization FAILED!" +
          " Metastore state would be inconsistent !!", e);
    }
  }
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  private void testConnectionToMetastore() throws HiveMetaException {
    Connection conn = getConnectionToMetastore(true);
    try {
      conn.close();
    } catch (SQLException e) {
      throw new HiveMetaException("Failed to close metastore connection", e);
    }
  }
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    }
    String newSchemaVersion = getMetaStoreSchemaVersion(
        getConnectionToMetastore(false));
    // verify that the new version is added to schema
    if (!MetaStoreSchemaInfo.getHiveSchemaVersion().equalsIgnoreCase(newSchemaVersion)) {
      throw new HiveMetaException("Found unexpected schema version " + newSchemaVersion);
    }
  }
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Related Classes of org.apache.hadoop.hive.metastore.HiveMetaException

  • org.apache.hive.beeline.HiveSchemaHelper
  • org.apache.hive.beeline.HiveSchemaTool
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