protected <T> QueryRequest createQueryRequestFromExpression(Class<T> clazz, DynamoDBQueryExpression<T> xpress, DynamoDBMapperConfig config) { final DynamoDBMapperTableModel<T> model = getTableModel(clazz, config); QueryRequest req = new QueryRequest(); req.setConsistentRead(xpress.isConsistentRead()); req.setTableName(getTableName(clazz, xpress.getHashKeyValues(), config)); req.setIndexName(xpress.getIndexName()); req.setKeyConditionExpression(xpress.getKeyConditionExpression()); processKeyConditions(req, xpress, model); req.withScanIndexForward(xpress.isScanIndexForward()) .withLimit(xpress.getLimit()) .withExclusiveStartKey(xpress.getExclusiveStartKey()) .withQueryFilter(xpress.getQueryFilter()) .withConditionalOperator(xpress.getConditionalOperator()) .withSelect(xpress.getSelect()) .withProjectionExpression(xpress.getProjectionExpression()) .withFilterExpression(xpress.getFilterExpression()) .withExpressionAttributeNames(xpress.getExpressionAttributeNames()) .withExpressionAttributeValues(xpress.getExpressionAttributeValues()) .withReturnConsumedCapacity(xpress.getReturnConsumedCapacity()) .withRequestMetricCollector(config.getRequestMetricCollector()) ; return applyUserAgent(req); }
final QueryRequest request = new QueryRequest(); request.withExclusiveStartKey(nextKey) .withAttributesToGet(attributesToGet) .withLimit(limit)
request.withExclusiveStartKey(nextKey) .withTableName(tableName) .withSelect(Select.COUNT)
public RetryResult<QueryResult> queryTable( String tableName, DynamoDBQueryFilter dynamoDBQueryFilter, Map<String, AttributeValue> exclusiveStartKey, long limit, Reporter reporter) { final QueryRequest queryRequest = new QueryRequest() .withTableName(tableName) .withExclusiveStartKey(exclusiveStartKey) .withKeyConditions(dynamoDBQueryFilter.getKeyConditions()) .withLimit(Ints.checkedCast(limit)) .withReturnConsumedCapacity(ReturnConsumedCapacity.TOTAL); RetryResult<QueryResult> retryResult = getRetryDriver().runWithRetry( new Callable<QueryResult>() { @Override public QueryResult call() { log.debug("Executing DynamoDB query: " + queryRequest); return dynamoDB.query(queryRequest); } }, reporter, PrintCounter.DynamoDBReadThrottle); return retryResult; }
public RetryResult<QueryResult> queryTable( String tableName, DynamoDBQueryFilter dynamoDBQueryFilter, Map<String, AttributeValue> exclusiveStartKey, long limit, Reporter reporter) { final QueryRequest queryRequest = new QueryRequest() .withTableName(tableName) .withExclusiveStartKey(exclusiveStartKey) .withKeyConditions(dynamoDBQueryFilter.getKeyConditions()) .withLimit(Ints.checkedCast(limit)) .withReturnConsumedCapacity(ReturnConsumedCapacity.TOTAL); RetryResult<QueryResult> retryResult = getRetryDriver().runWithRetry( new Callable<QueryResult>() { @Override public QueryResult call() { log.debug("Executing DynamoDB query: " + queryRequest); return dynamoDB.query(queryRequest); } }, reporter, PrintCounter.DynamoDBReadThrottle); return retryResult; }
.withReturnConsumedCapacity(ReturnConsumedCapacity.TOTAL).withExclusiveStartKey(lastEvaluatedKey);
private static void findRepliesForAThreadSpecifyOptionalLimit(String forumName, String threadSubject) { Map<String, AttributeValue> lastEvaluatedKey = null; do { QueryRequest queryRequest = new QueryRequest() .withTableName(tableName) .withKeyConditions(makeReplyKeyConditions(forumName, threadSubject)) .withLimit(1) .withExclusiveStartKey(lastEvaluatedKey); QueryResult result = client.query(queryRequest); for (Map<String, AttributeValue> item : result.getItems()) { printItem(item); } lastEvaluatedKey = result.getLastEvaluatedKey(); } while (lastEvaluatedKey != null); }
try { final QueryRequest rqst = this.request.withExclusiveStartKey( this.result.getLastEvaluatedKey() );
try { final QueryRequest rqst = this.request.withExclusiveStartKey( this.result.getLastEvaluatedKey() );
public static QueryRequest copyQueryRequest(QueryRequest queryRequest) { QueryRequest copiedQueryRequest = new QueryRequest().withAttributesToGet(queryRequest.getAttributesToGet()) .withConsistentRead(queryRequest.getConsistentRead()) .withExclusiveStartKey(queryRequest.getExclusiveStartKey()).withIndexName(queryRequest.getIndexName()) .withKeyConditions(queryRequest.getKeyConditions()).withLimit(queryRequest.getLimit()) .withReturnConsumedCapacity(queryRequest.getReturnConsumedCapacity()) .withScanIndexForward(queryRequest.getScanIndexForward()).withSelect(queryRequest.getSelect()) .withTableName(queryRequest.getTableName()); return copiedQueryRequest; } }
protected <T> QueryRequest createQueryRequestFromExpression(Class<T> clazz, DynamoDBQueryExpression<T> xpress, DynamoDBMapperConfig config) { final DynamoDBMapperTableModel<T> model = getTableModel(clazz, config); QueryRequest req = new QueryRequest(); req.setConsistentRead(xpress.isConsistentRead()); req.setTableName(getTableName(clazz, xpress.getHashKeyValues(), config)); req.setIndexName(xpress.getIndexName()); req.setKeyConditionExpression(xpress.getKeyConditionExpression()); processKeyConditions(req, xpress, model); req.withScanIndexForward(xpress.isScanIndexForward()) .withLimit(xpress.getLimit()) .withExclusiveStartKey(xpress.getExclusiveStartKey()) .withQueryFilter(xpress.getQueryFilter()) .withConditionalOperator(xpress.getConditionalOperator()) .withSelect(xpress.getSelect()) .withProjectionExpression(xpress.getProjectionExpression()) .withFilterExpression(xpress.getFilterExpression()) .withExpressionAttributeNames(xpress.getExpressionAttributeNames()) .withExpressionAttributeValues(xpress.getExpressionAttributeValues()) .withReturnConsumedCapacity(xpress.getReturnConsumedCapacity()) .withRequestMetricCollector(config.getRequestMetricCollector()) ; return applyUserAgent(req); }