Examples with TableNotFoundException io.cdap.cdap.explore.service.TableNotFoundException used on opensource projects

Example 1 with TableNotFoundException

use of io.cdap.cdap.explore.service.TableNotFoundException in project cdap by caskdata.

the class ExploreHttpClient method getTableInfo.

@Override
public TableInfo getTableInfo(String namespace, @Nullable String databaseName, String table) throws ExploreException, TableNotFoundException {
    String url = String.format("namespaces/%s/data/explore/tables/%s/info", namespace, table);
    if (databaseName != null) {
        url += "?database=" + databaseName;
    }
    HttpResponse response = doGet(url);
    if (response.getResponseCode() == HttpURLConnection.HTTP_OK) {
        return parseJson(response, TableInfo.class);
    } else if (response.getResponseCode() == HttpURLConnection.HTTP_NOT_FOUND) {
        throw new TableNotFoundException(String.format("Namespace %s, table %s not found.", namespace, table));
    }
    throw new ExploreException(String.format("Cannot get the schema of namespace %s, table %s. Reason: %s", namespace, table, response));
}

Example 2 with TableNotFoundException

use of io.cdap.cdap.explore.service.TableNotFoundException in project cdap by caskdata.

the class BaseHiveExploreService method getTableInfo.

@Override
public TableInfo getTableInfo(String namespace, @Nullable String databaseName, String table) throws ExploreException, TableNotFoundException {
    startAndWait();
    // TODO check if the database user is allowed to access if security is enabled
    try {
        String db = databaseName != null ? databaseName : getHiveDatabase(namespace);
        Table tableInfo = getMetaStoreClient().getTable(db, table);
        List<FieldSchema> tableFields = tableInfo.getSd().getCols();
        // in the storage descriptor. If columns are missing, do a separate call for schema.
        if (tableFields == null || tableFields.isEmpty()) {
            // don't call .getSchema()... class not found exception if we do in the thrift code...
            tableFields = getMetaStoreClient().getFields(db, table);
        }
        ImmutableList.Builder<TableInfo.ColumnInfo> schemaBuilder = ImmutableList.builder();
        Set<String> fieldNames = Sets.newHashSet();
        for (FieldSchema column : tableFields) {
            schemaBuilder.add(new TableInfo.ColumnInfo(column.getName(), column.getType(), column.getComment()));
            fieldNames.add(column.getName());
        }
        ImmutableList.Builder<TableInfo.ColumnInfo> partitionKeysBuilder = ImmutableList.builder();
        for (FieldSchema column : tableInfo.getPartitionKeys()) {
            TableInfo.ColumnInfo columnInfo = new TableInfo.ColumnInfo(column.getName(), column.getType(), column.getComment());
            partitionKeysBuilder.add(columnInfo);
            // since they show up when you do a 'describe <table>' command.
            if (!fieldNames.contains(column.getName())) {
                schemaBuilder.add(columnInfo);
            }
        }
        // its a cdap generated table if it uses our storage handler, or if a property is set on the table.
        String cdapName = null;
        Map<String, String> tableParameters = tableInfo.getParameters();
        if (tableParameters != null) {
            cdapName = tableParameters.get(Constants.Explore.CDAP_NAME);
        }
        // tables created after CDAP 2.6 should set the "cdap.name" property, but older ones
        // do not. So also check if it uses a cdap storage handler.
        String storageHandler = tableInfo.getParameters().get("storage_handler");
        boolean isDatasetTable = cdapName != null || DatasetStorageHandler.class.getName().equals(storageHandler);
        return new TableInfo(tableInfo.getTableName(), tableInfo.getDbName(), tableInfo.getOwner(), (long) tableInfo.getCreateTime() * 1000, (long) tableInfo.getLastAccessTime() * 1000, tableInfo.getRetention(), partitionKeysBuilder.build(), tableInfo.getParameters(), tableInfo.getTableType(), schemaBuilder.build(), tableInfo.getSd().getLocation(), tableInfo.getSd().getInputFormat(), tableInfo.getSd().getOutputFormat(), tableInfo.getSd().isCompressed(), tableInfo.getSd().getNumBuckets(), tableInfo.getSd().getSerdeInfo().getSerializationLib(), tableInfo.getSd().getSerdeInfo().getParameters(), isDatasetTable);
    } catch (NoSuchObjectException e) {
        throw new TableNotFoundException(e);
    } catch (TException e) {
        throw new ExploreException(e);
    }
}