org.apache.hadoop.hive.ql.metadata.Hive.convertFromMetastore()方法的使用及代码示例

x33g5p2x  于2022-01-20 转载在 其他  
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本文整理了Java中org.apache.hadoop.hive.ql.metadata.Hive.convertFromMetastore()方法的一些代码示例，展示了Hive.convertFromMetastore()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Hive.convertFromMetastore()方法的具体详情如下：
包路径：org.apache.hadoop.hive.ql.metadata.Hive
类名称：Hive
方法名：convertFromMetastore

Hive.convertFromMetastore介绍

暂无

代码示例

代码示例来源：origin: apache/hive

public List<Partition> exchangeTablePartitions(Map<String, String> partitionSpecs,
  String sourceDb, String sourceTable, String destDb,
  String destinationTableName) throws HiveException {
 try {
  List<org.apache.hadoop.hive.metastore.api.Partition> partitions =
   getMSC().exchange_partitions(partitionSpecs, sourceDb, sourceTable, destDb,
   destinationTableName);
  return convertFromMetastore(getTable(destDb, destinationTableName), partitions);
 } catch (Exception ex) {
  LOG.error(StringUtils.stringifyException(ex));
  throw new HiveException(ex);
 }
}

代码示例来源：origin: apache/drill

public List<Partition> exchangeTablePartitions(Map<String, String> partitionSpecs,
  String sourceDb, String sourceTable, String destDb,
  String destinationTableName) throws HiveException {
 try {
  List<org.apache.hadoop.hive.metastore.api.Partition> partitions =
   getMSC().exchange_partitions(partitionSpecs, sourceDb, sourceTable, destDb,
   destinationTableName);
  return convertFromMetastore(getTable(destDb, destinationTableName), partitions);
 } catch (Exception ex) {
  LOG.error(StringUtils.stringifyException(ex));
  throw new HiveException(ex);
 }
}

代码示例来源：origin: apache/hive

/**
 * Get a list of Partitions by expr.
 * @param tbl The table containing the partitions.
 * @param expr A serialized expression for partition predicates.
 * @param conf Hive config.
 * @param result the resulting list of partitions
 * @return whether the resulting list contains partitions which may or may not match the expr
 */
public boolean getPartitionsByExpr(Table tbl, ExprNodeGenericFuncDesc expr, HiveConf conf,
  List<Partition> result) throws HiveException, TException {
 assert result != null;
 byte[] exprBytes = SerializationUtilities.serializeExpressionToKryo(expr);
 String defaultPartitionName = HiveConf.getVar(conf, ConfVars.DEFAULTPARTITIONNAME);
 List<org.apache.hadoop.hive.metastore.api.Partition> msParts =
   new ArrayList<org.apache.hadoop.hive.metastore.api.Partition>();
 boolean hasUnknownParts = getMSC().listPartitionsByExpr(tbl.getDbName(),
   tbl.getTableName(), exprBytes, defaultPartitionName, (short)-1, msParts);
 result.addAll(convertFromMetastore(tbl, msParts));
 return hasUnknownParts;
}

代码示例来源：origin: apache/hive

public List<Partition> dropPartitions(String dbName, String tblName,
  List<DropTableDesc.PartSpec> partSpecs, PartitionDropOptions dropOptions) throws HiveException {
 try {
  Table tbl = getTable(dbName, tblName);
  List<org.apache.hadoop.hive.metastore.utils.ObjectPair<Integer, byte[]>> partExprs =
    new ArrayList<>(partSpecs.size());
  for (DropTableDesc.PartSpec partSpec : partSpecs) {
   partExprs.add(new org.apache.hadoop.hive.metastore.utils.ObjectPair<>(partSpec.getPrefixLength(),
     SerializationUtilities.serializeExpressionToKryo(partSpec.getPartSpec())));
  }
  List<org.apache.hadoop.hive.metastore.api.Partition> tParts = getMSC().dropPartitions(
    dbName, tblName, partExprs, dropOptions);
  return convertFromMetastore(tbl, tParts);
 } catch (NoSuchObjectException e) {
  throw new HiveException("Partition or table doesn't exist.", e);
 } catch (Exception e) {
  throw new HiveException(e.getMessage(), e);
 }
}

代码示例来源：origin: apache/drill

public List<Partition> dropPartitions(String dbName, String tblName,
  List<DropTableDesc.PartSpec> partSpecs, PartitionDropOptions dropOptions) throws HiveException {
 try {
  Table tbl = getTable(dbName, tblName);
  List<ObjectPair<Integer, byte[]>> partExprs =
    new ArrayList<ObjectPair<Integer,byte[]>>(partSpecs.size());
  for (DropTableDesc.PartSpec partSpec : partSpecs) {
   partExprs.add(new ObjectPair<Integer, byte[]>(partSpec.getPrefixLength(),
     SerializationUtilities.serializeExpressionToKryo(partSpec.getPartSpec())));
  }
  List<org.apache.hadoop.hive.metastore.api.Partition> tParts = getMSC().dropPartitions(
    dbName, tblName, partExprs, dropOptions);
  return convertFromMetastore(tbl, tParts);
 } catch (NoSuchObjectException e) {
  throw new HiveException("Partition or table doesn't exist.", e);
 } catch (Exception e) {
  throw new HiveException(e.getMessage(), e);
 }
}

代码示例来源：origin: apache/drill

/**
 * Get a list of Partitions by expr.
 * @param tbl The table containing the partitions.
 * @param expr A serialized expression for partition predicates.
 * @param conf Hive config.
 * @param result the resulting list of partitions
 * @return whether the resulting list contains partitions which may or may not match the expr
 */
public boolean getPartitionsByExpr(Table tbl, ExprNodeGenericFuncDesc expr, HiveConf conf,
  List<Partition> result) throws HiveException, TException {
 assert result != null;
 byte[] exprBytes = SerializationUtilities.serializeExpressionToKryo(expr);
 String defaultPartitionName = HiveConf.getVar(conf, ConfVars.DEFAULTPARTITIONNAME);
 List<org.apache.hadoop.hive.metastore.api.Partition> msParts =
   new ArrayList<org.apache.hadoop.hive.metastore.api.Partition>();
 boolean hasUnknownParts = getMSC().listPartitionsByExpr(tbl.getDbName(),
   tbl.getTableName(), exprBytes, defaultPartitionName, (short)-1, msParts);
 result.addAll(convertFromMetastore(tbl, msParts));
 return hasUnknownParts;
}

代码示例来源：origin: apache/hive

/**
 * Get a list of Partitions by filter.
 * @param tbl The table containing the partitions.
 * @param filter A string represent partition predicates.
 * @return a list of partitions satisfying the partition predicates.
 * @throws HiveException
 * @throws MetaException
 * @throws NoSuchObjectException
 * @throws TException
 */
public List<Partition> getPartitionsByFilter(Table tbl, String filter)
  throws HiveException, MetaException, NoSuchObjectException, TException {
 if (!tbl.isPartitioned()) {
  throw new HiveException(ErrorMsg.TABLE_NOT_PARTITIONED, tbl.getTableName());
 }
 List<org.apache.hadoop.hive.metastore.api.Partition> tParts = getMSC().listPartitionsByFilter(
   tbl.getDbName(), tbl.getTableName(), filter, (short)-1);
 return convertFromMetastore(tbl, tParts);
}

代码示例来源：origin: apache/drill

/**
 * Get a list of Partitions by filter.
 * @param tbl The table containing the partitions.
 * @param filter A string represent partition predicates.
 * @return a list of partitions satisfying the partition predicates.
 * @throws HiveException
 * @throws MetaException
 * @throws NoSuchObjectException
 * @throws TException
 */
public List<Partition> getPartitionsByFilter(Table tbl, String filter)
  throws HiveException, MetaException, NoSuchObjectException, TException {
 if (!tbl.isPartitioned()) {
  throw new HiveException(ErrorMsg.TABLE_NOT_PARTITIONED, tbl.getTableName());
 }
 List<org.apache.hadoop.hive.metastore.api.Partition> tParts = getMSC().listPartitionsByFilter(
   tbl.getDbName(), tbl.getTableName(), filter, (short)-1);
 return convertFromMetastore(tbl, tParts);
}

代码示例来源：origin: com.facebook.presto.hive/hive-apache

public List<Partition> dropPartitions(String dbName, String tblName,
  List<DropTableDesc.PartSpec> partSpecs, PartitionDropOptions dropOptions) throws HiveException {
 try {
  Table tbl = getTable(dbName, tblName);
  List<ObjectPair<Integer, byte[]>> partExprs =
    new ArrayList<ObjectPair<Integer,byte[]>>(partSpecs.size());
  for (DropTableDesc.PartSpec partSpec : partSpecs) {
   partExprs.add(new ObjectPair<Integer, byte[]>(partSpec.getPrefixLength(),
     Utilities.serializeExpressionToKryo(partSpec.getPartSpec())));
  }
  List<org.apache.hadoop.hive.metastore.api.Partition> tParts = getMSC().dropPartitions(
    dbName, tblName, partExprs, dropOptions);
  return convertFromMetastore(tbl, tParts, null);
 } catch (NoSuchObjectException e) {
  throw new HiveException("Partition or table doesn't exist.", e);
 } catch (Exception e) {
  throw new HiveException(e.getMessage(), e);
 }
}

代码示例来源：origin: com.facebook.presto.hive/hive-apache

/**
 * Get a list of Partitions by expr.
 * @param tbl The table containing the partitions.
 * @param expr A serialized expression for partition predicates.
 * @param conf Hive config.
 * @param result the resulting list of partitions
 * @return whether the resulting list contains partitions which may or may not match the expr
 */
public boolean getPartitionsByExpr(Table tbl, ExprNodeGenericFuncDesc expr, HiveConf conf,
  List<Partition> result) throws HiveException, TException {
 assert result != null;
 byte[] exprBytes = Utilities.serializeExpressionToKryo(expr);
 String defaultPartitionName = HiveConf.getVar(conf, ConfVars.DEFAULTPARTITIONNAME);
 List<org.apache.hadoop.hive.metastore.api.Partition> msParts =
   new ArrayList<org.apache.hadoop.hive.metastore.api.Partition>();
 boolean hasUnknownParts = getMSC().listPartitionsByExpr(tbl.getDbName(),
   tbl.getTableName(), exprBytes, defaultPartitionName, (short)-1, msParts);
 convertFromMetastore(tbl, msParts, result);
 return hasUnknownParts;
}

代码示例来源：origin: com.facebook.presto.hive/hive-apache

/**
 * Get a list of Partitions by filter.
 * @param tbl The table containing the partitions.
 * @param filter A string represent partition predicates.
 * @return a list of partitions satisfying the partition predicates.
 * @throws HiveException
 * @throws MetaException
 * @throws NoSuchObjectException
 * @throws TException
 */
public List<Partition> getPartitionsByFilter(Table tbl, String filter)
  throws HiveException, MetaException, NoSuchObjectException, TException {
 if (!tbl.isPartitioned()) {
  throw new HiveException(ErrorMsg.TABLE_NOT_PARTITIONED, tbl.getTableName());
 }
 List<org.apache.hadoop.hive.metastore.api.Partition> tParts = getMSC().listPartitionsByFilter(
   tbl.getDbName(), tbl.getTableName(), filter, (short)-1);
 return convertFromMetastore(tbl, tParts, null);
}

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