Examples with AccumuloTable com.facebook.presto.accumulo.metadata.AccumuloTable used on opensource projects

Example 6 with AccumuloTable

use of com.facebook.presto.accumulo.metadata.AccumuloTable in project presto by prestodb.

the class AccumuloClient method renameTable.

public void renameTable(SchemaTableName oldName, SchemaTableName newName) {
    if (!oldName.getSchemaName().equals(newName.getSchemaName())) {
        throw new PrestoException(NOT_SUPPORTED, "Accumulo does not support renaming tables to different namespaces (schemas)");
    }
    AccumuloTable oldTable = getTable(oldName);
    if (oldTable == null) {
        throw new TableNotFoundException(oldName);
    }
    AccumuloTable newTable = new AccumuloTable(oldTable.getSchema(), newName.getTableName(), oldTable.getColumns(), oldTable.getRowId(), oldTable.isExternal(), oldTable.getSerializerClassName(), oldTable.getScanAuthorizations());
    // Validate table existence
    if (!tableManager.exists(oldTable.getFullTableName())) {
        throw new PrestoException(ACCUMULO_TABLE_DNE, format("Table %s does not exist", oldTable.getFullTableName()));
    }
    if (tableManager.exists(newTable.getFullTableName())) {
        throw new PrestoException(ACCUMULO_TABLE_EXISTS, format("Table %s already exists", newTable.getFullTableName()));
    }
    // Rename index tables (which will also validate table existence)
    renameIndexTables(oldTable, newTable);
    // Rename the Accumulo table
    tableManager.renameAccumuloTable(oldTable.getFullTableName(), newTable.getFullTableName());
    // We'll then create the metadata
    metaManager.deleteTableMetadata(oldTable.getSchemaTableName());
    metaManager.createTableMetadata(newTable);
}

Example 7 with AccumuloTable

use of com.facebook.presto.accumulo.metadata.AccumuloTable in project presto by prestodb.

the class AccumuloClient method renameColumn.

public void renameColumn(AccumuloTable table, String source, String target) {
    if (!table.getColumns().stream().anyMatch(columnHandle -> columnHandle.getName().equalsIgnoreCase(source))) {
        throw new PrestoException(NOT_FOUND, format("Failed to find source column %s to rename to %s", source, target));
    }
    // Copy existing column list, replacing the old column name with the new
    ImmutableList.Builder<AccumuloColumnHandle> newColumnList = ImmutableList.builder();
    for (AccumuloColumnHandle columnHandle : table.getColumns()) {
        if (columnHandle.getName().equalsIgnoreCase(source)) {
            newColumnList.add(new AccumuloColumnHandle(target, columnHandle.getFamily(), columnHandle.getQualifier(), columnHandle.getType(), columnHandle.getOrdinal(), columnHandle.getComment(), columnHandle.isIndexed()));
        } else {
            newColumnList.add(columnHandle);
        }
    }
    // Create new table metadata
    AccumuloTable newTable = new AccumuloTable(table.getSchema(), table.getTable(), newColumnList.build(), table.getRowId().equalsIgnoreCase(source) ? target : table.getRowId(), table.isExternal(), table.getSerializerClassName(), table.getScanAuthorizations());
    // Replace the table metadata
    metaManager.deleteTableMetadata(new SchemaTableName(table.getSchema(), table.getTable()));
    metaManager.createTableMetadata(newTable);
}

Example 8 with AccumuloTable

use of com.facebook.presto.accumulo.metadata.AccumuloTable in project presto by prestodb.

the class AccumuloMetadata method renameColumn.

@Override
public void renameColumn(ConnectorSession session, ConnectorTableHandle tableHandle, ColumnHandle source, String target) {
    AccumuloTableHandle handle = (AccumuloTableHandle) tableHandle;
    AccumuloColumnHandle columnHandle = (AccumuloColumnHandle) source;
    AccumuloTable table = client.getTable(handle.toSchemaTableName());
    if (table == null) {
        throw new TableNotFoundException(new SchemaTableName(handle.getSchema(), handle.getTable()));
    }
    client.renameColumn(table, columnHandle.getName(), target);
}

Example 9 with AccumuloTable

use of com.facebook.presto.accumulo.metadata.AccumuloTable in project presto by prestodb.

the class AccumuloMetadata method dropTable.

@Override
public void dropTable(ConnectorSession session, ConnectorTableHandle tableHandle) {
    AccumuloTableHandle handle = (AccumuloTableHandle) tableHandle;
    AccumuloTable table = client.getTable(handle.toSchemaTableName());
    if (table != null) {
        client.dropTable(table);
    }
}

Example 10 with AccumuloTable

use of com.facebook.presto.accumulo.metadata.AccumuloTable in project presto by prestodb.

the class AccumuloMetadata method getColumnHandles.

@Override
public Map<String, ColumnHandle> getColumnHandles(ConnectorSession session, ConnectorTableHandle tableHandle) {
    AccumuloTableHandle handle = (AccumuloTableHandle) tableHandle;
    checkArgument(handle.getConnectorId().equals(connectorId), "tableHandle is not for this connector");
    AccumuloTable table = client.getTable(handle.toSchemaTableName());
    if (table == null) {
        throw new TableNotFoundException(handle.toSchemaTableName());
    }
    ImmutableMap.Builder<String, ColumnHandle> columnHandles = ImmutableMap.builder();
    for (AccumuloColumnHandle column : table.getColumns()) {
        columnHandles.put(column.getName(), column);
    }
    return columnHandles.build();
}