Examples with GetQueryPlanFragments org.apache.drill.exec.proto.UserProtos.GetQueryPlanFragments used on opensource projects

Example 1 with GetQueryPlanFragments

use of org.apache.drill.exec.proto.UserProtos.GetQueryPlanFragments in project drill by apache.

the class UserServerRequestHandler method handle.

@Override
public void handle(BitToUserConnection connection, int rpcType, ByteBuf pBody, ByteBuf dBody, ResponseSender responseSender) throws RpcException {
    switch(rpcType) {
        case RpcType.RUN_QUERY_VALUE:
            logger.debug("Received query to run.  Returning query handle.");
            try {
                final RunQuery query = RunQuery.PARSER.parseFrom(new ByteBufInputStream(pBody));
                final QueryId queryId = worker.submitWork(connection, query);
                responseSender.send(new Response(RpcType.QUERY_HANDLE, queryId));
                break;
            } catch (InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding RunQuery body.", e);
            }
        case RpcType.CANCEL_QUERY_VALUE:
            try {
                final QueryId queryId = QueryId.PARSER.parseFrom(new ByteBufInputStream(pBody));
                final Ack ack = worker.cancelQuery(queryId);
                responseSender.send(new Response(RpcType.ACK, ack));
                break;
            } catch (InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding QueryId body.", e);
            }
        case RpcType.RESUME_PAUSED_QUERY_VALUE:
            try {
                final QueryId queryId = QueryId.PARSER.parseFrom(new ByteBufInputStream(pBody));
                final Ack ack = worker.resumeQuery(queryId);
                responseSender.send(new Response(RpcType.ACK, ack));
                break;
            } catch (final InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding QueryId body.", e);
            }
        case RpcType.GET_QUERY_PLAN_FRAGMENTS_VALUE:
            try {
                final GetQueryPlanFragments req = GetQueryPlanFragments.PARSER.parseFrom(new ByteBufInputStream(pBody));
                responseSender.send(new Response(RpcType.QUERY_PLAN_FRAGMENTS, worker.getQueryPlan(connection, req)));
                break;
            } catch (final InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding GetQueryPlanFragments body.", e);
            }
        case RpcType.GET_CATALOGS_VALUE:
            try {
                final GetCatalogsReq req = GetCatalogsReq.PARSER.parseFrom(new ByteBufInputStream(pBody));
                worker.submitCatalogMetadataWork(connection.getSession(), req, responseSender);
                break;
            } catch (final InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding GetCatalogsReq body.", e);
            }
        case RpcType.GET_SCHEMAS_VALUE:
            try {
                final GetSchemasReq req = GetSchemasReq.PARSER.parseFrom(new ByteBufInputStream(pBody));
                worker.submitSchemasMetadataWork(connection.getSession(), req, responseSender);
                break;
            } catch (final InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding GetSchemasReq body.", e);
            }
        case RpcType.GET_TABLES_VALUE:
            try {
                final GetTablesReq req = GetTablesReq.PARSER.parseFrom(new ByteBufInputStream(pBody));
                worker.submitTablesMetadataWork(connection.getSession(), req, responseSender);
                break;
            } catch (final InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding GetTablesReq body.", e);
            }
        case RpcType.GET_COLUMNS_VALUE:
            try {
                final GetColumnsReq req = GetColumnsReq.PARSER.parseFrom(new ByteBufInputStream(pBody));
                worker.submitColumnsMetadataWork(connection.getSession(), req, responseSender);
                break;
            } catch (final InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding GetColumnsReq body.", e);
            }
        case RpcType.CREATE_PREPARED_STATEMENT_VALUE:
            try {
                final CreatePreparedStatementReq req = CreatePreparedStatementReq.PARSER.parseFrom(new ByteBufInputStream(pBody));
                worker.submitPreparedStatementWork(connection, req, responseSender);
                break;
            } catch (final InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding CreatePreparedStatementReq body.", e);
            }
        case RpcType.GET_SERVER_META_VALUE:
            try {
                final GetServerMetaReq req = GetServerMetaReq.PARSER.parseFrom(new ByteBufInputStream(pBody));
                worker.submitServerMetadataWork(connection.getSession(), req, responseSender);
                break;
            } catch (final InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding CreatePreparedStatementReq body.", e);
            }
        default:
            throw new UnsupportedOperationException(String.format("UserServerRequestHandler received rpc of unknown type. Type was %d.", rpcType));
    }
}

Example 2 with GetQueryPlanFragments

use of org.apache.drill.exec.proto.UserProtos.GetQueryPlanFragments in project drill by apache.

the class PlanSplitter method planFragments.

/**
   * Method to plan the query and return list of fragments
   * it will return query plan "as is" or split plans based on the req setting: split_plan
   * @param dContext
   * @param queryId
   * @param req
   * @param connection
   * @return
   */
public QueryPlanFragments planFragments(DrillbitContext dContext, QueryId queryId, GetQueryPlanFragments req, UserClientConnection connection) {
    QueryPlanFragments.Builder responseBuilder = QueryPlanFragments.newBuilder();
    QueryContext queryContext = new QueryContext(connection.getSession(), dContext, queryId);
    responseBuilder.setQueryId(queryId);
    try {
        responseBuilder.addAllFragments(getFragments(dContext, req, queryContext, queryId));
        responseBuilder.setStatus(QueryState.COMPLETED);
    } catch (Exception e) {
        final String errorMessage = String.format("Failed to produce PlanFragments for query id \"%s\" with " + "request to %s plan", queryId, (req.getSplitPlan() ? "split" : "no split"));
        DrillPBError error = DrillPBError.newBuilder().setMessage(errorMessage).setErrorType(DrillPBError.ErrorType.PLAN).build();
        responseBuilder.setStatus(QueryState.FAILED);
        responseBuilder.setError(error);
    }
    return responseBuilder.build();
}

Example 3 with GetQueryPlanFragments

use of org.apache.drill.exec.proto.UserProtos.GetQueryPlanFragments in project drill by apache.

the class UserWorker method getQueryPlan.

public QueryPlanFragments getQueryPlan(UserClientConnection connection, GetQueryPlanFragments req) {
    final QueryId queryId = queryIdGenerator();
    final QueryPlanFragments qPlanFragments = new PlanSplitter().planFragments(bee.getContext(), queryId, req, connection);
    return qPlanFragments;
}