Examples of org.apache.hadoop.hive.metastore.model.MDatabase

Package org.apache.hadoop.hive.metastore.model

Examples of org.apache.hadoop.hive.metastore.model.MDatabase

org.apache.hadoop.hive.metastore.model.MDatabase
Storage Class representing the Hive MDatabase in a rdbms

      String pname = priv.getPrincipalName();
      PrincipalType ptype = PrincipalType.valueOf(priv.getPrincipalType());


      MPartition mpartition = priv.getPartition();
      MTable mtable = mpartition.getTable();
      MDatabase mdatabase = mtable.getDatabase();


      HiveObjectRef objectRef = new HiveObjectRef(HiveObjectType.COLUMN,
          mdatabase.getName(), mtable.getTableName(), mpartition.getValues(), priv.getColumnName());
      PrivilegeGrantInfo grantor = new PrivilegeGrantInfo(priv.getPrivilege(), priv.getCreateTime(),
          priv.getGrantor(), PrincipalType.valueOf(priv.getGrantorType()), priv.getGrantOption());


      result.add(new HiveObjectPrivilege(objectRef, pname, ptype, grantor));
    }

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      String pname = priv.getPrincipalName();
      PrincipalType ptype = PrincipalType.valueOf(priv.getPrincipalType());


      MPartition mpartition = priv.getPartition();
      MTable mtable = mpartition.getTable();
      MDatabase mdatabase = mtable.getDatabase();


      HiveObjectRef objectRef = new HiveObjectRef(HiveObjectType.PARTITION,
          mdatabase.getName(), mtable.getTableName(), mpartition.getValues(), null);
      PrivilegeGrantInfo grantor = new PrivilegeGrantInfo(priv.getPrivilege(), priv.getCreateTime(),
          priv.getGrantor(), PrincipalType.valueOf(priv.getGrantorType()), priv.getGrantOption());


      result.add(new HiveObjectPrivilege(objectRef, pname, ptype, grantor));
    }

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    for (MTableColumnPrivilege priv : privs) {
      String pname = priv.getPrincipalName();
      PrincipalType ptype = PrincipalType.valueOf(priv.getPrincipalType());


      MTable mtable = priv.getTable();
      MDatabase mdatabase = mtable.getDatabase();


      HiveObjectRef objectRef = new HiveObjectRef(HiveObjectType.COLUMN,
          mdatabase.getName(), mtable.getTableName(), null, priv.getColumnName());
      PrivilegeGrantInfo grantor = new PrivilegeGrantInfo(priv.getPrivilege(), priv.getCreateTime(),
          priv.getGrantor(), PrincipalType.valueOf(priv.getGrantorType()), priv.getGrantOption());


      result.add(new HiveObjectPrivilege(objectRef, pname, ptype, grantor));
    }

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  private MFunction convertToMFunction(Function func) throws InvalidObjectException {
    if (func == null) {
      return null;
    }


    MDatabase mdb = null;
    try {
      mdb = getMDatabase(func.getDbName());
    } catch (NoSuchObjectException e) {
      LOG.error(StringUtils.stringifyException(e));
      throw new InvalidObjectException("Database " + func.getDbName() + " doesn't exist.");

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    }
  }


  public void createDatabase(Database db) throws InvalidObjectException, MetaException {
    boolean commited = false;
    MDatabase mdb = new MDatabase();
    mdb.setName(db.getName().toLowerCase());
    mdb.setLocationUri(db.getLocationUri());
    mdb.setDescription(db.getDescription());
    mdb.setParameters(db.getParameters());
    try {
      openTransaction();
      pm.makePersistent(mdb);
      commited = commitTransaction();
    } finally {

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    }
  }


  @SuppressWarnings("nls")
  private MDatabase getMDatabase(String name) throws NoSuchObjectException {
    MDatabase mdb = null;
    boolean commited = false;
    try {
      openTransaction();
      name = name.toLowerCase().trim();
      Query query = pm.newQuery(MDatabase.class, "name == dbname");

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    }
    return mdb;
  }


  public Database getDatabase(String name) throws NoSuchObjectException {
    MDatabase mdb = null;
    boolean commited = false;
    try {
      openTransaction();
      mdb = getMDatabase(name);
      commited = commitTransaction();
    } finally {
      if (!commited) {
        rollbackTransaction();
      }
    }
    Database db = new Database();
    db.setName(mdb.getName());
    db.setDescription(mdb.getDescription());
    db.setLocationUri(mdb.getLocationUri());
    db.setParameters(mdb.getParameters());
    return db;
  }

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   * @throws NoSuchObjectException
   */
  public boolean alterDatabase(String dbName, Database db)
    throws MetaException, NoSuchObjectException {


    MDatabase mdb = null;
    boolean committed = false;
    try {
      mdb = getMDatabase(dbName);
      // currently only allow changing database parameters
      mdb.setParameters(db.getParameters());
      openTransaction();
      pm.makePersistent(mdb);
      committed = commitTransaction();
    } finally {
      if (!committed) {

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      for (String tableName : getAllTables(dbname)) {
        dropTable(dbname, tableName);
      }


      // then drop the database
      MDatabase db = getMDatabase(dbname);
      pm.retrieve(db);
      if (db != null) {
        List<MDBPrivilege> dbGrants = this.listDatabaseGrants(dbname);
        if (dbGrants != null && dbGrants.size() > 0) {
          pm.deletePersistentAll(dbGrants);

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  private MTable convertToMTable(Table tbl) throws InvalidObjectException,
      MetaException {
    if (tbl == null) {
      return null;
    }
    MDatabase mdb = null;
    try {
      mdb = getMDatabase(tbl.getDbName());
    } catch (NoSuchObjectException e) {
      LOG.error(StringUtils.stringifyException(e));
      throw new InvalidObjectException("Database " + tbl.getDbName()

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Related Classes of org.apache.hadoop.hive.metastore.model.MDatabase

org.apache.hadoop.hive.metastore.ObjectStore

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