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Describe (get information about) a table

Pragya Keshap answered on February 13, 2023 Popularity 3/10 Helpfulness 1/10

answer Describe (get information about) a table

Describe (get information about) a table

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    public static void describeDymamoDBTable(DynamoDbClient ddb,String tableName ) {

        DescribeTableRequest request = DescribeTableRequest.builder()
                .tableName(tableName)
                .build();

        try {
            TableDescription tableInfo =
                    ddb.describeTable(request).table();

            if (tableInfo != null) {
                System.out.format("Table name  : %s\n",
                        tableInfo.tableName());
                System.out.format("Table ARN   : %s\n",
                        tableInfo.tableArn());
                System.out.format("Status      : %s\n",
                        tableInfo.tableStatus());
                System.out.format("Item count  : %d\n",
                        tableInfo.itemCount().longValue());
                System.out.format("Size (bytes): %d\n",
                        tableInfo.tableSizeBytes().longValue());

                ProvisionedThroughputDescription throughputInfo =
                        tableInfo.provisionedThroughput();
                System.out.println("Throughput");
                System.out.format("  Read Capacity : %d\n",
                        throughputInfo.readCapacityUnits().longValue());
                System.out.format("  Write Capacity: %d\n",
                        throughputInfo.writeCapacityUnits().longValue());

                List<AttributeDefinition> attributes =
                        tableInfo.attributeDefinitions();
                System.out.println("Attributes");

                for (AttributeDefinition a : attributes) {
                    System.out.format("  %s (%s)\n",
                            a.attributeName(), a.attributeType());
                }
            }
        } catch (DynamoDbException e) {
            System.err.println(e.getMessage());
            System.exit(1);
        }
        System.out.println("\nDone!");
    }

https://github.com/awsdocs/aws-doc-sdk-examples/blob/main/javav2/example_code/dynamodb/src/main/java/com/example/dynamodb/DescribeTable.java

Popularity 3/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: describe java

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Contributed on Feb 13 2023

Pragya Keshap

0 Answers Avg Quality 2/10

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