Пример #1
0
  public static Table fromMetastoreApiTable(org.apache.hadoop.hive.metastore.api.Table table) {
    StorageDescriptor storageDescriptor = table.getSd();
    if (storageDescriptor == null) {
      throw new PrestoException(HIVE_INVALID_METADATA, "Table is missing storage descriptor");
    }

    Table.Builder tableBuilder =
        Table.builder()
            .setDatabaseName(table.getDbName())
            .setTableName(table.getTableName())
            .setOwner(nullToEmpty(table.getOwner()))
            .setTableType(table.getTableType())
            .setDataColumns(
                storageDescriptor
                    .getCols()
                    .stream()
                    .map(MetastoreUtil::fromMetastoreApiFieldSchema)
                    .collect(toList()))
            .setPartitionColumns(
                table
                    .getPartitionKeys()
                    .stream()
                    .map(MetastoreUtil::fromMetastoreApiFieldSchema)
                    .collect(toList()))
            .setParameters(
                table.getParameters() == null ? ImmutableMap.of() : table.getParameters())
            .setViewOriginalText(Optional.ofNullable(emptyToNull(table.getViewOriginalText())))
            .setViewExpandedText(Optional.ofNullable(emptyToNull(table.getViewExpandedText())));

    fromMetastoreApiStorageDescriptor(
        storageDescriptor, tableBuilder.getStorageBuilder(), table.getTableName());

    return tableBuilder.build();
  }
  @Override
  public Map<SchemaTableName, String> getViews(ConnectorSession session, SchemaTablePrefix prefix) {
    ImmutableMap.Builder<SchemaTableName, String> views = ImmutableMap.builder();
    List<SchemaTableName> tableNames;
    if (prefix.getTableName() != null) {
      tableNames =
          ImmutableList.of(new SchemaTableName(prefix.getSchemaName(), prefix.getTableName()));
    } else {
      tableNames = listViews(session, prefix.getSchemaName());
    }

    for (SchemaTableName schemaTableName : tableNames) {
      try {
        Table table =
            metastore.getTable(schemaTableName.getSchemaName(), schemaTableName.getTableName());
        if (HiveUtil.isPrestoView(table)) {
          views.put(schemaTableName, decodeViewData(table.getViewOriginalText()));
        }
      } catch (NoSuchObjectException ignored) {
      }
    }

    return views.build();
  }