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

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

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  public boolean dropTable(String dbName, String tableName) throws MetaException {
    boolean success = false;
    try {
      openTransaction();
      MTable tbl = getMTable(dbName, tableName);
      pm.retrieve(tbl);
      if (tbl != null) {
        // first remove all the partitions
        List<MTablePrivilege> tabGrants = listAllTableGrants(dbName, tableName);
        if (tabGrants != null && tabGrants.size() > 0) {
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  public List<String> getAllTables(String dbName) throws MetaException {
    return getTables(dbName, ".*");
  }

  private MTable getMTable(String db, String table) {
    MTable mtbl = null;
    boolean commited = false;
    try {
      openTransaction();
      db = db.toLowerCase().trim();
      table = table.toLowerCase().trim();
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      if (!isExternal) {
        tableType = TableType.MANAGED_TABLE.toString();
      }
    }

    return new MTable(tbl.getTableName().toLowerCase(), mdb,
        convertToMStorageDescriptor(tbl.getSd()), tbl.getOwner(), tbl
            .getCreateTime(), tbl.getLastAccessTime(), tbl.getRetention(),
        convertToMFieldSchemas(tbl.getPartitionKeys()), tbl.getParameters(),
        tbl.getViewOriginalText(), tbl.getViewExpandedText(),
        tableType);
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  public boolean addPartition(Partition part) throws InvalidObjectException,
      MetaException {
    boolean success = false;
    boolean commited = false;
    try {
      MTable table = this.getMTable(part.getDbName(), part.getTableName());
      List<MTablePrivilege> tabGrants = null;
      List<MTableColumnPrivilege> tabColumnGrants = null;
      if ("TRUE".equalsIgnoreCase(table.getParameters().get("PARTITION_LEVEL_PRIVILEGE"))) {
        tabGrants = this.listAllTableGrants(part
            .getDbName(), part.getTableName());
        tabColumnGrants = this.listTableAllColumnGrants(
            part.getDbName(), part.getTableName());
      }
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    boolean commited = false;
    try {
      openTransaction();
      dbName = dbName.toLowerCase().trim();
      tableName = tableName.toLowerCase().trim();
      MTable mtbl = getMTable(dbName, tableName);
      if (mtbl == null) {
        commited = commitTransaction();
        return null;
      }
      // Change the query to use part_vals instead of the name which is
      // redundant
      String name = Warehouse.makePartName(convertToFieldSchemas(mtbl
          .getPartitionKeys()), part_vals);
      Query query = pm.newQuery(MPartition.class,
          "table.tableName == t1 && table.database.name == t2 && partitionName == t3");
      query.declareParameters("java.lang.String t1, java.lang.String t2, java.lang.String t3");
      query.setUnique(true);
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  public void createTable(Table tbl) throws InvalidObjectException, MetaException {
    boolean commited = false;
    try {
      openTransaction();
      MTable mtbl = convertToMTable(tbl);
      pm.makePersistent(mtbl);
      commited = commitTransaction();
    } finally {
      if(!commited) {
        rollbackTransaction();
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  public boolean dropTable(String dbName, String tableName) {
   
    boolean success = false;
    try {
      openTransaction();
      MTable tbl = getMTable(dbName, tableName);
      pm.retrieve(tbl);
      if(tbl != null) {
        // first remove all the partitions
        pm.deletePersistentAll(listMPartitions(dbName, tableName, -1));
        // then remove the table
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    }
    return tbls;
  }
 
  private MTable getMTable(String db, String table) {
    MTable mtbl = null;
    boolean commited = false;
    try {
      openTransaction();
      db = db.toLowerCase();
      table = table.toLowerCase();
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      mdb = this.getMDatabase(tbl.getDbName());
    } catch (NoSuchObjectException e) {
      LOG.error(StringUtils.stringifyException(e));
      throw new InvalidObjectException("Database " + tbl.getDbName() + " doesn't exsit.");
    }
    return new MTable(tbl.getTableName().toLowerCase(),
        mdb,
        convertToMStorageDescriptor(tbl.getSd()),
        tbl.getOwner(),
        tbl.getCreateTime(),
        tbl.getLastAccessTime(),
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    boolean commited = false;
    try {
      openTransaction();
      dbName = dbName.toLowerCase();
      tableName = tableName.toLowerCase();
      MTable mtbl = this.getMTable(dbName, tableName);
      if(mtbl == null) {
        commited = commitTransaction();
        return null;
      }
      // Change the query to use part_vals instead of the name which is redundant
      String name = Warehouse.makePartName(convertToFieldSchemas(mtbl.getPartitionKeys()), part_vals);
      Query query = pm.newQuery(MPartition.class, "table.tableName == t1 && table.database.name == t2 && partitionName == t3");
      query.declareParameters("java.lang.String t1, java.lang.String t2, java.lang.String t3");
      query.setUnique(true);
      mpart = (MPartition) query.execute(tableName.trim(), dbName.trim(), name);
      pm.retrieve(mpart);
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Related Classes of org.apache.hadoop.hive.metastore.model.MTable

  • org.apache.hadoop.hive.metastore.ObjectStore
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