Examples with Query io.prestosql.server.protocol.Query used on opensource projects

Example 1 with Query

use of io.prestosql.server.protocol.Query in project hetu-core by openlookeng.

the class AutoVacuumScanner method startVacuum.

private void startVacuum(Catalog catalog, String vacuumTable, boolean isFull) {
    String catalogNameVacuumTable = catalog.getCatalogName() + "." + vacuumTable;
    if (vacuumInProgressMap.containsKey(catalogNameVacuumTable)) {
        log.debug("return Present in vacuumInProgressMap %s ", catalogNameVacuumTable);
        return;
    }
    long attempts = 0;
    QueryId queryId = dispatchManager.createQueryId();
    String slug = "x" + randomUUID().toString().toLowerCase(ENGLISH).replace("-", "");
    String vacuumQuery;
    if (isFull) {
        vacuumQuery = "vacuum table " + catalogNameVacuumTable + "  full";
    } else {
        vacuumQuery = "vacuum table " + catalogNameVacuumTable;
    }
    Session.SessionBuilder sessionBuilder = Session.builder(sessionPropertyManager).setQueryId(queryId).setIdentity(new Identity("openLooKeng", Optional.empty())).setSource("auto-vacuum");
    Session session = sessionBuilder.build();
    AutoVacuumSessionContext sessionContext = new AutoVacuumSessionContext(session);
    vacuumInProgressMap.put(catalogNameVacuumTable, System.currentTimeMillis());
    log.debug("Query.create queryId %s  catalogNameVacuumTable: %s ", queryId.toString(), catalogNameVacuumTable);
    ListenableFuture<?> lf = waitForDispatched(queryId, slug, sessionContext, vacuumQuery);
    Futures.addCallback(lf, new FutureCallback<Object>() {

        @Override
        public void onSuccess(@Nullable Object result) {
            try {
                DispatchQuery dispatchQuery = dispatchManager.getQuery(queryId);
                dispatchQuery.addStateChangeListener((state) -> {
                    Query query = getQuery(queryId, slug);
                    if ((null != query) && (!dispatchManager.getQueryInfo(queryId).getState().isDone())) {
                        query.waitForResults(attempts, Duration.valueOf("1s"), DataSize.valueOf("1MB"));
                    }
                    if (state.isDone()) {
                        log.debug("STATUS  %s QueryID %s Query %s", state.name(), queryId.toString(), vacuumQuery);
                        vacuumInProgressMap.remove(catalogNameVacuumTable);
                    }
                });
            } catch (Throwable e) {
                vacuumInProgressMap.remove(catalogNameVacuumTable);
                log.error("Filed to execute vacuum for table %s QueryID %s", catalogNameVacuumTable, queryId.toString(), e.getMessage());
            }
        }

        @Override
        public void onFailure(Throwable t) {
            vacuumInProgressMap.remove(catalogNameVacuumTable);
            log.error("Query %s request to start vacuum scan failed at queryId[%s]: %s ", vacuumQuery, queryId, t.getMessage());
        }
    }, directExecutor());
}