Java 类com.datastax.driver.core.querybuilder.Select 实例源码

项目：sunbird-utils 文件：CassandraOperationImpl.java

@Override
public Response getRecordById(String keyspaceName, String tableName, String identifier) {
  long startTime = System.currentTimeMillis();
  ProjectLogger.log("Cassandra Service getRecordById method started at ==" + startTime,
      LoggerEnum.PERF_LOG);
  Response response = new Response();
  try {
    Select selectQuery = QueryBuilder.select().all().from(keyspaceName, tableName);
    Where selectWhere = selectQuery.where();
    Clause clause = QueryBuilder.eq(Constants.IDENTIFIER, identifier);
    selectWhere.and(clause);
    ResultSet results = connectionManager.getSession(keyspaceName).execute(selectQuery);
    response = CassandraUtil.createResponse(results);
  } catch (Exception e) {
    ProjectLogger.log(Constants.EXCEPTION_MSG_FETCH + tableName + " : " + e.getMessage(), e);
    throw new ProjectCommonException(ResponseCode.SERVER_ERROR.getErrorCode(),
        ResponseCode.SERVER_ERROR.getErrorMessage(), ResponseCode.SERVER_ERROR.getResponseCode());
  }
  long stopTime = System.currentTimeMillis();
  long elapsedTime = stopTime - startTime;
  ProjectLogger.log("Cassandra Service getRecordById method end at ==" + stopTime
      + " ,Total time elapsed = " + elapsedTime, LoggerEnum.PERF_LOG);
  return response;
}

项目：sunbird-utils 文件：CassandraOperationImpl.java

@Override
public Response getRecordsByProperty(String keyspaceName, String tableName, String propertyName,
    List<Object> propertyValueList) {
  long startTime = System.currentTimeMillis();
  ProjectLogger.log("Cassandra Service getRecordsByProperty method started at ==" + startTime,
      LoggerEnum.PERF_LOG);
  Response response = new Response();
  try {
    Select selectQuery = QueryBuilder.select().all().from(keyspaceName, tableName);
    Where selectWhere = selectQuery.where();
    Clause clause = QueryBuilder.in(propertyName, propertyValueList);
    selectWhere.and(clause);
    ResultSet results = connectionManager.getSession(keyspaceName).execute(selectQuery);
    response = CassandraUtil.createResponse(results);
  } catch (Exception e) {
    ProjectLogger.log(Constants.EXCEPTION_MSG_FETCH + tableName + " : " + e.getMessage(), e);
    throw new ProjectCommonException(ResponseCode.SERVER_ERROR.getErrorCode(),
        ResponseCode.SERVER_ERROR.getErrorMessage(), ResponseCode.SERVER_ERROR.getResponseCode());
  }
  long stopTime = System.currentTimeMillis();
  long elapsedTime = stopTime - startTime;
  ProjectLogger.log("Cassandra Service getRecordsByProperty method end at ==" + stopTime
      + " ,Total time elapsed = " + elapsedTime, LoggerEnum.PERF_LOG);
  return response;
}

项目：eventapis 文件：CassandraViewQuery.java

@Override
public List<E> queryByOpId(String opId) throws EventStoreException {
    Select select = QueryBuilder.select(CassandraEventRecorder.ENTITY_ID).from(tableName);
    select.where(QueryBuilder.eq(CassandraEventRecorder.OP_ID, opId));
    List<Row> entityEventDatas = cassandraSession.execute(select, PagingIterable::all);

    Map<String, E> resultList = new HashMap<>();
    for (Row entityEvent : entityEventDatas) {
        String entityId = entityEvent.getString(CassandraEventRecorder.ENTITY_ID);
        if (!resultList.containsKey(entityId)) {
            E value = queryEntity(entityId);
            if (value != null)
                resultList.put(entityId, value);
        }
    }
    return new ArrayList<>(resultList.values());
}

项目：sunbird-utils 文件：CassandraOperationImpl.java

@Override
public Response getAllRecords(String keyspaceName, String tableName) {
  long startTime = System.currentTimeMillis();
  ProjectLogger.log("Cassandra Service getAllRecords method started at ==" + startTime,
      LoggerEnum.PERF_LOG);
  Response response = new Response();
  try {
    Select selectQuery = QueryBuilder.select().all().from(keyspaceName, tableName);
    ResultSet results = connectionManager.getSession(keyspaceName).execute(selectQuery);
    response = CassandraUtil.createResponse(results);
  } catch (Exception e) {
    ProjectLogger.log(Constants.EXCEPTION_MSG_FETCH + tableName + " : " + e.getMessage(), e);
    throw new ProjectCommonException(ResponseCode.SERVER_ERROR.getErrorCode(),
        ResponseCode.SERVER_ERROR.getErrorMessage(), ResponseCode.SERVER_ERROR.getResponseCode());
  }
  long stopTime = System.currentTimeMillis();
  long elapsedTime = stopTime - startTime;
  ProjectLogger.log("Cassandra Service getAllRecords method end at ==" + stopTime
      + " ,Total time elapsed = " + elapsedTime, LoggerEnum.PERF_LOG);
  return response;
}

项目：iotplatform 文件：BaseRelationDao.java

@Override
public ListenableFuture<List<EntityRelation>> findRelations(EntityId from, String relationType, RelationTypeGroup typeGroup, ThingType childType, TimePageLink pageLink) {
    Select.Where query = CassandraAbstractSearchTimeDao.buildQuery(ModelConstants.RELATION_BY_TYPE_AND_CHILD_TYPE_VIEW_NAME,
            Arrays.asList(eq(ModelConstants.RELATION_FROM_ID_PROPERTY, from.getId()),
                    eq(ModelConstants.RELATION_FROM_TYPE_PROPERTY, from.getEntityType().name()),
                    eq(ModelConstants.RELATION_TYPE_GROUP_PROPERTY, typeGroup.name()),
                    eq(ModelConstants.RELATION_TYPE_PROPERTY, relationType),
                    eq(ModelConstants.RELATION_TO_TYPE_PROPERTY, childType.name())),
            Arrays.asList(
                    pageLink.isAscOrder() ? QueryBuilder.desc(ModelConstants.RELATION_TYPE_GROUP_PROPERTY) :
                            QueryBuilder.asc(ModelConstants.RELATION_TYPE_GROUP_PROPERTY),
                    pageLink.isAscOrder() ? QueryBuilder.desc(ModelConstants.RELATION_TYPE_PROPERTY) :
                            QueryBuilder.asc(ModelConstants.RELATION_TYPE_PROPERTY),
                    pageLink.isAscOrder() ? QueryBuilder.desc(ModelConstants.RELATION_TO_TYPE_PROPERTY) :
                            QueryBuilder.asc(ModelConstants.RELATION_TO_TYPE_PROPERTY)
            ),
            pageLink, ModelConstants.RELATION_TO_ID_PROPERTY);
    return getFuture(executeAsyncRead(query), this::getEntityRelations);
}

项目：iotplatform 文件：CassandraBaseEventDao.java

@Override
public Event findEvent(UUID tenantId, EntityId entityId, String eventType, String eventUid) {
    log.debug("Search event entity by [{}][{}][{}][{}]", tenantId, entityId, eventType, eventUid);
    Select.Where query = select().from(getColumnFamilyName()).where(
            eq(ModelConstants.EVENT_TENANT_ID_PROPERTY, tenantId))
            .and(eq(ModelConstants.EVENT_ENTITY_TYPE_PROPERTY, entityId.getEntityType()))
            .and(eq(ModelConstants.EVENT_ENTITY_ID_PROPERTY, entityId.getId()))
            .and(eq(ModelConstants.EVENT_TYPE_PROPERTY, eventType))
            .and(eq(ModelConstants.EVENT_UID_PROPERTY, eventUid));
    log.trace("Execute query [{}]", query);
    EventEntity entity = findOneByStatement(query);
    if (log.isTraceEnabled()) {
        log.trace("Search result: [{}] for event entity [{}]", entity != null, entity);
    } else {
        log.debug("Search result: [{}]", entity != null);
    }
    return DaoUtil.getData(entity);
}

项目：https-github.com-g0t4-jenkins2-course-spring-boot 文件：CassandraHealthIndicator.java

@Override
protected void doHealthCheck(Health.Builder builder) throws Exception {
    try {
        Select select = QueryBuilder.select("release_version").from("system",
                "local");
        ResultSet results = this.cassandraOperations.query(select);
        if (results.isExhausted()) {
            builder.up();
            return;
        }
        String version = results.one().getString(0);
        builder.up().withDetail("version", version);
    }
    catch (Exception ex) {
        builder.down(ex);
    }
}

项目：cassandra 文件：CassandraSinkIntegrationTests.java

@Test
public void testInsert() throws InterruptedException {
    Book book = new Book();
    book.setIsbn(UUIDs.timeBased());
    book.setTitle("Spring Integration Cassandra");
    book.setAuthor("Cassandra Guru");
    book.setPages(521);
    book.setSaleDate(new Date());
    book.setInStock(true);

    this.sink.input().send(new GenericMessage<>(book));

    final Select select = QueryBuilder.select().all().from("book");

    assertEqualsEventually(1, new Supplier<Integer>() {

        @Override
        public Integer get() {
            return cassandraTemplate.select(select, Book.class).size();
        }

    });

    this.cassandraTemplate.delete(book);
}

项目：cassandra 文件：CassandraSinkIntegrationTests.java

@Test
public void testIngestQuery() throws Exception {
    List<Book> books = getBookList(5);

    ObjectMapper objectMapper = new ObjectMapper();
    objectMapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);
    Jackson2JsonObjectMapper mapper = new Jackson2JsonObjectMapper(objectMapper);

    this.sink.input().send(new GenericMessage<>(mapper.toJson(books)));

    final Select select = QueryBuilder.select().all().from("book");

    assertEqualsEventually(5, new Supplier<Integer>() {

        @Override
        public Integer get() {
            return cassandraTemplate.select(select, Book.class).size();
        }

    });

    this.cassandraTemplate.truncate("book");
}

项目：cassandra 文件：CassandraSinkIntegrationTests.java

@Test
public void testIngestQuery() throws Exception {
    List<Book> books = getBookList(5);

    ObjectMapper objectMapper = new ObjectMapper();
    objectMapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);
    Jackson2JsonObjectMapper mapper = new Jackson2JsonObjectMapper(objectMapper);

    this.sink.input().send(new GenericMessage<>(mapper.toJson(books)));

    final Select select = QueryBuilder.select().all().from("book");

    assertEqualsEventually(5, new Supplier<Integer>() {

        @Override
        public Integer get() {
            return cassandraTemplate.select(select, Book.class).size();
        }

    });

    this.cassandraTemplate.truncate("book");
}

项目：thingsboard 文件：BaseRelationDao.java

@Override
public ListenableFuture<List<EntityRelation>> findRelations(EntityId from, String relationType, RelationTypeGroup typeGroup, EntityType childType, TimePageLink pageLink) {
    Select.Where query = CassandraAbstractSearchTimeDao.buildQuery(ModelConstants.RELATION_BY_TYPE_AND_CHILD_TYPE_VIEW_NAME,
            Arrays.asList(eq(ModelConstants.RELATION_FROM_ID_PROPERTY, from.getId()),
                    eq(ModelConstants.RELATION_FROM_TYPE_PROPERTY, from.getEntityType().name()),
                    eq(ModelConstants.RELATION_TYPE_GROUP_PROPERTY, typeGroup.name()),
                    eq(ModelConstants.RELATION_TYPE_PROPERTY, relationType),
                    eq(ModelConstants.RELATION_TO_TYPE_PROPERTY, childType.name())),
            Arrays.asList(
                    pageLink.isAscOrder() ? QueryBuilder.desc(ModelConstants.RELATION_TYPE_GROUP_PROPERTY) :
                            QueryBuilder.asc(ModelConstants.RELATION_TYPE_GROUP_PROPERTY),
                    pageLink.isAscOrder() ? QueryBuilder.desc(ModelConstants.RELATION_TYPE_PROPERTY) :
                            QueryBuilder.asc(ModelConstants.RELATION_TYPE_PROPERTY),
                    pageLink.isAscOrder() ? QueryBuilder.desc(ModelConstants.RELATION_TO_TYPE_PROPERTY) :
                            QueryBuilder.asc(ModelConstants.RELATION_TO_TYPE_PROPERTY)
            ),
            pageLink, ModelConstants.RELATION_TO_ID_PROPERTY);
    return getFuture(executeAsyncRead(query), this::getEntityRelations);
}

项目：thingsboard 文件：CassandraDeviceDao.java

@Override
public ListenableFuture<List<EntitySubtype>> findTenantDeviceTypesAsync(UUID tenantId) {
    Select select = select().from(ENTITY_SUBTYPE_COLUMN_FAMILY_NAME);
    Select.Where query = select.where();
    query.and(eq(ENTITY_SUBTYPE_TENANT_ID_PROPERTY, tenantId));
    query.and(eq(ENTITY_SUBTYPE_ENTITY_TYPE_PROPERTY, EntityType.DEVICE));
    query.setConsistencyLevel(cluster.getDefaultReadConsistencyLevel());
    ResultSetFuture resultSetFuture = getSession().executeAsync(query);
    return Futures.transform(resultSetFuture, new Function<ResultSet, List<EntitySubtype>>() {
        @Nullable
        @Override
        public List<EntitySubtype> apply(@Nullable ResultSet resultSet) {
            Result<EntitySubtypeEntity> result = cluster.getMapper(EntitySubtypeEntity.class).map(resultSet);
            if (result != null) {
                List<EntitySubtype> entitySubtypes = new ArrayList<>();
                result.all().forEach((entitySubtypeEntity) ->
                    entitySubtypes.add(entitySubtypeEntity.toEntitySubtype())
                );
                return entitySubtypes;
            } else {
                return Collections.emptyList();
            }
        }
    });
}

项目：thingsboard 文件：CassandraBaseEventDao.java

@Override
public Event findEvent(UUID tenantId, EntityId entityId, String eventType, String eventUid) {
    log.debug("Search event entity by [{}][{}][{}][{}]", tenantId, entityId, eventType, eventUid);
    Select.Where query = select().from(getColumnFamilyName()).where(
            eq(ModelConstants.EVENT_TENANT_ID_PROPERTY, tenantId))
            .and(eq(ModelConstants.EVENT_ENTITY_TYPE_PROPERTY, entityId.getEntityType()))
            .and(eq(ModelConstants.EVENT_ENTITY_ID_PROPERTY, entityId.getId()))
            .and(eq(ModelConstants.EVENT_TYPE_PROPERTY, eventType))
            .and(eq(ModelConstants.EVENT_UID_PROPERTY, eventUid));
    log.trace("Execute query [{}]", query);
    EventEntity entity = findOneByStatement(query);
    if (log.isTraceEnabled()) {
        log.trace("Search result: [{}] for event entity [{}]", entity != null, entity);
    } else {
        log.debug("Search result: [{}]", entity != null);
    }
    return DaoUtil.getData(entity);
}

项目：thingsboard 文件：CassandraAssetDao.java

@Override
public ListenableFuture<List<EntitySubtype>> findTenantAssetTypesAsync(UUID tenantId) {
    Select select = select().from(ENTITY_SUBTYPE_COLUMN_FAMILY_NAME);
    Select.Where query = select.where();
    query.and(eq(ENTITY_SUBTYPE_TENANT_ID_PROPERTY, tenantId));
    query.and(eq(ENTITY_SUBTYPE_ENTITY_TYPE_PROPERTY, EntityType.ASSET));
    query.setConsistencyLevel(cluster.getDefaultReadConsistencyLevel());
    ResultSetFuture resultSetFuture = getSession().executeAsync(query);
    return Futures.transform(resultSetFuture, new Function<ResultSet, List<EntitySubtype>>() {
        @Nullable
        @Override
        public List<EntitySubtype> apply(@Nullable ResultSet resultSet) {
            Result<EntitySubtypeEntity> result = cluster.getMapper(EntitySubtypeEntity.class).map(resultSet);
            if (result != null) {
                List<EntitySubtype> entitySubtypes = new ArrayList<>();
                result.all().forEach((entitySubtypeEntity) ->
                        entitySubtypes.add(entitySubtypeEntity.toEntitySubtype())
                );
                return entitySubtypes;
            } else {
                return Collections.emptyList();
            }
        }
    });
}

项目：spring-boot-concourse 文件：CassandraHealthIndicator.java

@Override
protected void doHealthCheck(Health.Builder builder) throws Exception {
    try {
        Select select = QueryBuilder.select("release_version").from("system",
                "local");
        ResultSet results = this.cassandraOperations.query(select);
        if (results.isExhausted()) {
            builder.up();
            return;
        }
        String version = results.one().getString(0);
        builder.up().withDetail("version", version);
    }
    catch (Exception ex) {
        builder.down(ex);
    }
}

项目：spring-cloud-stream-app-starters 文件：CassandraSinkIntegrationTests.java

@Test
public void testInsert() throws InterruptedException {
    Book book = new Book();
    book.setIsbn(UUIDs.timeBased());
    book.setTitle("Spring Integration Cassandra");
    book.setAuthor("Cassandra Guru");
    book.setPages(521);
    book.setSaleDate(new Date());
    book.setInStock(true);

    this.sink.input().send(new GenericMessage<>(book));

    final Select select = QueryBuilder.select().all().from("book");

    assertEqualsEventually(1, new Supplier<Integer>() {

        @Override
        public Integer get() {
            return cassandraTemplate.select(select, Book.class).size();
        }

    });

    this.cassandraTemplate.delete(book);
}

项目：spring-cloud-stream-app-starters 文件：CassandraSinkIntegrationTests.java

@Test
public void testIngestQuery() throws Exception {
    List<Book> books = getBookList(5);

    ObjectMapper objectMapper = new ObjectMapper();
    objectMapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);
    Jackson2JsonObjectMapper mapper = new Jackson2JsonObjectMapper(objectMapper);

    this.sink.input().send(new GenericMessage<>(mapper.toJson(books)));

    final Select select = QueryBuilder.select().all().from("book");

    assertEqualsEventually(5, new Supplier<Integer>() {

        @Override
        public Integer get() {
            return cassandraTemplate.select(select, Book.class).size();
        }

    });

    this.cassandraTemplate.truncate("book");
}

项目：gcplot 文件：CassandraGCEventRepository.java

protected Optional<Row> singleEvent(String analyseId, String jvmId, String bucketId,
                                    DateTime start, String[] fields) {
    List<String> dates = dates(Range.of(start.toDateTime(DateTimeZone.UTC),
            DateTime.now(DateTimeZone.UTC)));
    for (String date : dates) {
        Select from = QueryBuilder.select(fields).from(Strings.isNullOrEmpty(bucketId) ? TABLE_NAME : BUCKET_TABLE_NAME);
        Select.Where statement = from.limit(1)
                .where(eq("analyse_id", UUID.fromString(analyseId)))
                .and(eq("jvm_id", jvmId))
                .and(eq("date", date));
        if (!Strings.isNullOrEmpty(bucketId)) {
            statement = statement.and(eq("bucket_id", bucketId));
        }
        List<Row> rows = connector.session().execute(statement).all();
        if (rows.size() > 0) {
            return Optional.of(rows.get(0));
        }
    }
    return Optional.empty();
}

项目：silverflash 文件：CassandraMessageStore.java

public boolean schemaExists() throws StoreException {
  if (session != null) {
    boolean exists = false;
    Select select = QueryBuilder.select().column("keyspace_name").from("system.schema_keyspaces");
    ResultSet results = session.execute(select);

    for (Row row : results) {
      String name = row.getString("keyspace_name");
      if (KEYSPACE_NAME.equals(name)) {
        exists = true;
        break;
      }
    }
    return exists;
  } else {
    throw new StoreException("Keyspaces not available; store not open");
  }
}

项目：contestparser 文件：CassandraHealthIndicator.java

@Override
protected void doHealthCheck(Health.Builder builder) throws Exception {
    try {
        Select select = QueryBuilder.select("release_version").from("system",
                "local");
        ResultSet results = this.cassandraAdminOperations.query(select);
        if (results.isExhausted()) {
            builder.up();
            return;
        }
        String version = results.one().getString(0);
        builder.up().withDetail("version", version);
    }
    catch (Exception ex) {
        builder.down(ex);
    }
}

项目：playorm 文件：CqlSession.java

public boolean findIndexRow(String table, String rowKey, byte[] key, Object indValue) {
     Select selectQuery = QueryBuilder.select().all().from(keys, table).allowFiltering();
     Where selectWhere = selectQuery.where();
     Clause rkClause = QueryBuilder.eq("id", rowKey);
     selectWhere.and(rkClause);
     Clause indClause = null;
     if (indValue != null) {
         indClause = QueryBuilder.eq("colname", indValue);
     } else {
         if (table.equalsIgnoreCase("IntegerIndice")) {
             indClause = QueryBuilder.eq("colname", ByteBuffer.wrap(new byte[0]));
         } else {
             indClause = QueryBuilder.eq("colname", "");
         }
     }
     selectWhere.and(indClause);
     Clause keyClause = QueryBuilder.eq("colvalue", ByteBuffer.wrap(key));
     selectWhere.and(keyClause);
     Query query = selectWhere.limit(1);
     ResultSet resultSet = session.execute(query);
     return !resultSet.isExhausted();
}

项目：playorm 文件：Cql3Util.java

public static Where createRowQueryFromValues(List<byte[]> values, DboColumnMeta colMeta, Select selectQuery, String rowKey) {
    Where selectWhere = selectQuery.where();

    Clause rkClause = QueryBuilder.eq("id", rowKey);
    selectWhere.and(rkClause);

    Object[] valStrings = new Object[values.size()];
    int count = 0;
    for (byte[] value : values) {
        valStrings[count] = StandardConverters.convertFromBytes(String.class, value);
        count++;
    }

    Clause inClause = QueryBuilder.in("colname", valStrings);
    selectWhere.and(inClause);
    return selectWhere;
}

项目：stratio-cassandra-test 文件：CassandraUtilsSelect.java

public List<Row> get() {
    Select.Where where = QueryBuilder.select().from(parent.getKeyspace(), parent.getTable()).where();
    for (Clause clause : clauses) {
        where.and(clause);
    }
    if (searchBuilder != null) {
        where.and(QueryBuilder.eq(parent.getIndexColumn(), searchBuilder.refresh(refresh).toJson()));
    }
    BuiltStatement statement = limit == null ? where : where.limit(limit);

    String query = statement.toString();
    query = query.substring(0, query.length() - 1);
    StringBuilder sb = new StringBuilder(query);
    for (String extra : extras) {
        sb.append(" ");
        sb.append(extra);
        sb.append(" ");
    }
    return parent.execute(sb, fetchSize);
}

项目：newts 文件：CassandraSearcher.java

@Inject
public CassandraSearcher(CassandraSession session, MetricRegistry registry, ContextConfigurations contextConfigurations) {
    m_session = checkNotNull(session, "session argument");
    m_searchTimer = registry.timer(name("search", "search"));
    m_contextConfigurations = checkNotNull(contextConfigurations, "contextConfigurations argument");

    Select select = QueryBuilder.select(Schema.C_TERMS_RESOURCE).from(Schema.T_TERMS);
    select.where(eq(Schema.C_TERMS_CONTEXT, bindMarker(Schema.C_TERMS_CONTEXT)))
          .and(  eq(Schema.C_TERMS_FIELD, bindMarker(Schema.C_TERMS_FIELD)))
          .and(  eq(Schema.C_TERMS_VALUE, bindMarker(Schema.C_TERMS_VALUE)));
    m_searchStatement = m_session.prepare(select.toString());

    select = QueryBuilder.select(Schema.C_ATTRS_ATTR, Schema.C_ATTRS_VALUE).from(Schema.T_ATTRS);
    select.where(eq(Schema.C_ATTRS_CONTEXT, bindMarker(Schema.C_ATTRS_CONTEXT)))
          .and(  eq(Schema.C_ATTRS_RESOURCE, bindMarker(Schema.C_ATTRS_RESOURCE)));
    m_selectAttributesStatement = m_session.prepare(select.toString());

    select = QueryBuilder.select(Schema.C_METRICS_NAME).from(Schema.T_METRICS);
    select.where(eq(Schema.C_METRICS_CONTEXT, bindMarker(Schema.C_METRICS_CONTEXT)))
          .and(  eq(Schema.C_METRICS_RESOURCE, bindMarker(Schema.C_METRICS_RESOURCE)));
    m_selectMetricNamesStatement = m_session.prepare(select.toString());
}

项目：agon 文件：CassandraBadgeRepository.java

@Override
public Collection<Badge> findByEvent(String event) {
    Map<UUID, Badge> badges = new HashMap<>();

    Select.Where select = QueryBuilder.select().distinct().column("badge_id")
            .from("badge_events")
            .where(QueryBuilder.eq("event", event));

    ResultSet set = session.execute(select);

    for(Row row:set.all()) {
        UUID badgeId = row.getUUID("badge_id");

        if(badges.get(badgeId) == null) {
            badges.put(badgeId, get(badgeId).get());
        }
    }
    return badges.values();
}

项目：agon 文件：CassandraBadgeRepository.java

@Override
public List<Goal> findGoalsByBadgeId(UUID badgeId) {
    Select.Where goalQuery = QueryBuilder.select("event", "count")
            .from("badge_events")
            .where(QueryBuilder.eq("badge_id", badgeId));
    ResultSet rows = session.execute(goalQuery);
    List<Goal> goals = new ArrayList<>();

    for (Row row : rows) {
        goals.add(new Goal.Builder()
                .event(row.getString("event"))
                .value(row.getInt("count"))
                .build());
    }

    return goals;
}

项目：agon 文件：CassandraBadgeRepository.java

@Override
public Optional<Badge> get(UUID id) {
    Select.Where badgeQuery = QueryBuilder
            .select()
            .all()
            .from("badges")
            .where(QueryBuilder.eq("id", id));
    ResultSet set = session.execute(badgeQuery);
    Row row = set.one();

    return Optional.of(new Badge.Builder().id(row.getUUID("id"))
            .retired(row.getBool("retired"))
            .description(row.getString("description"))
            .name(row.getString("name"))
            .goals(findGoalsByBadgeId(id))
            .url(row.getString("url"))
            .build());
}

项目：agon 文件：CassandraPlayerRepository.java

@Override
public boolean evaluate(long playerId, Badge badge) {
    if(hasEarned(playerId, badge.getId())) return false;

    int goalsAchieved = 0;

    for (Goal goal : badge.getGoals()) {
        Select.Where eval = QueryBuilder.select().all()
                .from("player_event_counts")
                .where(QueryBuilder.eq("player_id", playerId))
                .and(QueryBuilder.eq("event", goal.getEvent()));

        ResultSet resultSet = session.execute(eval);
        Row row = resultSet.one();
        if(row != null) {
            long count = row.getLong("counter_value");
            if(count >= goal.getValue() ) {
                goalsAchieved++;
            }
        }
    }
    return goalsAchieved == badge.getGoals().size();
}

项目：kaa 文件：EndpointUserConfigurationCassandraDao.java

@Override
public CassandraEndpointUserConfiguration findByUserIdAndAppTokenAndSchemaVersion(
        String userId,
        String appToken,
        Integer schemaVersion
) {
  LOG.debug("Searching for user specific configuration by user id {}, "
          + "application token {} and schema version {}",
      userId, appToken, schemaVersion);
  Select.Where select = select().from(getColumnFamilyName())
      .where(eq(EP_USER_CONF_USER_ID_PROPERTY, userId))
      .and(eq(EP_USER_CONF_APP_TOKEN_PROPERTY, appToken))
      .and(eq(EP_USER_CONF_VERSION_PROPERTY, schemaVersion));

  CassandraEndpointUserConfiguration userConfiguration = findOneByStatement(select);
  if (LOG.isTraceEnabled()) {
    LOG.debug("[{},{},{}] Search result: {}.",
        userId, appToken, schemaVersion, userConfiguration);
  } else {
    LOG.debug("[{},{},{}] Search result: {}.",
        userId, appToken, schemaVersion, userConfiguration != null);
  }
  return userConfiguration;
}

项目：gora 文件：CassandraQueryFactory.java

private static String processKeys(String[] columnNames, BuiltStatement delete) {
  BuiltStatement query = null;
  boolean isWhereNeeded = true;
  for (String columnName : columnNames) {
    if (isWhereNeeded) {
      if (delete instanceof Delete) {
        query = ((Delete) delete).where(QueryBuilder.eq(columnName, "?"));
      } else {
        query = ((Select) delete).where(QueryBuilder.eq(columnName, "?"));
      }
      isWhereNeeded = false;
    } else {
      if (delete instanceof Delete) {
        query = ((Delete.Where) query).and(QueryBuilder.eq(columnName, "?"));
      } else {
        query = ((Select.Where) query).and(QueryBuilder.eq(columnName, "?"));
      }
    }
  }
  return query != null ? query.getQueryString() : null;
}

项目：blueflood 文件：DMetadataIO.java

private void createPreparedStatements() {

        Select.Where select = select()
                .all()
                .from( CassandraModel.CF_METRICS_METADATA_NAME )
                .where( eq( KEY, bindMarker() ));

        getValue = DatastaxIO.getSession().prepare( select );

        Insert insert = insertInto( CassandraModel.CF_METRICS_METADATA_NAME )
                .value( KEY, bindMarker() )
                .value( COLUMN1, bindMarker() )
                .value( VALUE, bindMarker() );

        putValue = DatastaxIO.getSession().prepare( insert );
        putValue.setConsistencyLevel( ConsistencyLevel.LOCAL_ONE );
    }

项目：blueflood 文件：DLocatorIO.java

/**
 * Create all prepared statements use in this class for metrics_locator
 */
private void createPreparedStatements()  {

    // create a generic select statement for retrieving from metrics_locator
    Select.Where select = QueryBuilder
            .select()
            .all()
            .from( CassandraModel.CF_METRICS_LOCATOR_NAME )
            .where( eq ( KEY, bindMarker() ));
    getValue = DatastaxIO.getSession().prepare( select );

    // create a generic insert statement for inserting into metrics_locator
    Insert insert = QueryBuilder.insertInto( CassandraModel.CF_METRICS_LOCATOR_NAME)
            .using(ttl(TenantTtlProvider.LOCATOR_TTL))
            .value(KEY, bindMarker())
            .value(COLUMN1, bindMarker())
            .value(VALUE, bindMarker());
    putValue = DatastaxIO.getSession()
            .prepare(insert)
            .setConsistencyLevel( ConsistencyLevel.LOCAL_ONE );
}

项目：blueflood 文件：DDelayedLocatorIO.java

public DDelayedLocatorIO() {

        // create a generic select statement for retrieving from metrics_delayed_locator
        Select.Where select = QueryBuilder
                .select()
                .all()
                .from( CassandraModel.CF_METRICS_DELAYED_LOCATOR_NAME )
                .where( eq ( KEY, bindMarker() ));
        getValue = DatastaxIO.getSession().prepare( select );

        // create a generic insert statement for inserting into metrics_delayed_locator
        Insert insert = QueryBuilder.insertInto( CassandraModel.CF_METRICS_DELAYED_LOCATOR_NAME)
                .using(ttl(TenantTtlProvider.DELAYED_LOCATOR_TTL))
                .value(KEY, bindMarker())
                .value(COLUMN1, bindMarker())
                .value(VALUE, bindMarker());
        putValue = DatastaxIO.getSession()
                .prepare(insert)
                .setConsistencyLevel( ConsistencyLevel.LOCAL_ONE );
    }

项目：eventapis 文件：CassandraViewQuery.java

private E queryEntityInternal(String entityId, Select select) throws EventStoreException {
    List<Row> entityEventDatas = cassandraSession.execute(select, PagingIterable::all);


    E initialInstance, result = null;
    try {
        initialInstance = entityType.newInstance();
    } catch (InstantiationException | IllegalAccessException e) {
        log.error(e.getMessage(), e);
        throw new EventStoreException(e);
    }
    for (Row entityEventData : entityEventDatas) {
        EntityEvent entityEvent = convertToEntityEvent(entityEventData);
        if (entityEvent.getStatus() == EventState.CREATED || entityEvent.getStatus() == EventState.SUCCEDEED) {
            EntityFunctionSpec<E, ?> functionSpec = functionMap.get(entityEvent.getEventType());
            if (functionSpec != null) {
                EntityEventWrapper eventWrapper = new EntityEventWrapper<>(functionSpec.getQueryType(), objectMapper, entityEvent);
                EntityFunction<E, ?> entityFunction = functionSpec.getEntityFunction();
                result = (E) entityFunction.apply(result == null ? initialInstance : result, eventWrapper);
            } else
                log.trace("Function Spec is not available for " + entityEvent.getEventType() + " EntityId:" + entityId + " Table:" + tableName);
        }
        if (result != null) {
            result.setId(entityId);
            result.setVersion(entityEvent.getEventKey().getVersion());
        }
    }
    return (result == null || result.getId() == null) ? null : result;
}

项目：eventapis 文件：CassandraViewQuery.java

@Override
public List<EntityEvent> queryHistory(String entityId) throws EventStoreException {
    Select select = QueryBuilder.select().from(tableName);
    select.where(QueryBuilder.eq(CassandraEventRecorder.ENTITY_ID, entityId));
    return cassandraSession.execute(select, PagingIterable::all)
            .stream().map(CassandraViewQuery::convertToEntityEvent).collect(Collectors.toList());
}

项目：eventapis 文件：CassandraViewQuery.java

@Override
public E queryEntity(String entityId, int version) throws EventStoreException {
    Select select = QueryBuilder.select().from(tableName);
    select.where(QueryBuilder.eq(CassandraEventRecorder.ENTITY_ID, entityId));
    select.where(QueryBuilder.lte(CassandraEventRecorder.VERSION, version));
    return queryEntityInternal(entityId, select);
}

项目：xm-ms-timeline 文件：EntityMappingRepository.java

/**
 * Get entity id by entity key.
 *
 * @param key    the entity key
 * @param tenant tenant name
 * @return entity id
 */
public Long getIdByKey(String key, String tenant) {
    Select select = QueryBuilder.select(ENTITY_ID_COL).from(tenant, TABLE_KEY_ID);
    select.where(eq(ENTITY_KEY_COL, key));
    ResultSet resultSet = session.execute(select);
    Row row = resultSet.one();
    return  row == null ? null : row.getLong(ENTITY_ID_COL);
}

项目：xm-ms-timeline 文件：EntityMappingRepository.java

/**
 * Get entity key by entity id.
 *
 * @param entityId entity id
 * @param tenant   tenant name
 * @return entity key
 */
public String getKeyById(Long entityId, String tenant) {
    Select select = QueryBuilder.select(ENTITY_KEY_COL).from(tenant, VIEW_ID_KEY);
    select.where(eq(ENTITY_ID_COL, entityId));
    ResultSet resultSet = session.execute(select);
    Row row = resultSet.one();
    return row == null ? null : row.getString(ENTITY_KEY_COL);
}

项目：xm-ms-timeline 文件：TimelineRepository.java

/**
 * Get timelines by user key and date.
 *
 * @param userKey  the user key
 * @param dateFrom the date from
 * @param dateTo   the date to
 * @param page     the next page code
 * @param limit    the limit per page
 * @return timeline page with list of timelines and next page code
 */
public TimelinePageVM getTimelinesByUserKeyAndDate(String userKey,
                                                   Instant dateFrom,
                                                   Instant dateTo,
                                                   String page,
                                                   int limit) {
    Select select = QueryBuilder.select(getFields()).from(TenantContext.getCurrent().getTenant(),
        TABLE_TIMELINE_BY_USER_AND_DATE);
    select.where(eq(USER_KEY_COL, userKey));
    prepareWhereClause(select, null, dateFrom, dateTo, limit);
    return getPage(select, page, limit);
}

项目：xm-ms-timeline 文件：TimelineRepository.java

/**
 * Get timelines by user key, operation and date.
 *
 * @param userKey   the user key
 * @param operation the operation
 * @param dateFrom  the date from
 * @param dateTo    the date to
 * @param page      the next page code
 * @param limit     the limit per page
 * @return timeline page with list of timelines and next page code
 */
public TimelinePageVM getTimelinesByUserKeyAndOpAndDate(String userKey,
                                                        String operation,
                                                        Instant dateFrom,
                                                        Instant dateTo,
                                                        String page,
                                                        int limit) {
    Select select = QueryBuilder.select(getFields()).from(TenantContext.getCurrent().getTenant(),
        TABLE_TIMELINE_BY_USER_AND_OP_AND_DATE);
    select.where(eq(USER_KEY_COL, userKey));
    prepareWhereClause(select, operation, dateFrom, dateTo, limit);
    return getPage(select, page, limit);
}