本文介绍如何使用 Java SDK 删除表格存储数据表的单行数据。
前提条件
方法说明
public DeleteRowResponse deleteRow(DeleteRowRequest deleteRowRequest) throws TableStoreException, ClientException
示例代码
以下示例代码用于删除 test_table 表中主键值为 row1 的行数据。
public static void deleteRowExample(SyncClient client) {
// 构造主键
PrimaryKeyBuilder primaryKeyBuilder = PrimaryKeyBuilder.createPrimaryKeyBuilder();
primaryKeyBuilder.addPrimaryKeyColumn("id", PrimaryKeyValue.fromString("row1"));
PrimaryKey primaryKey = primaryKeyBuilder.build();
// 构造删除的行数据
RowDeleteChange rowDeleteChange = new RowDeleteChange("test_table", primaryKey);
// 调用 deleteRow 方法删除行数据
DeleteRowRequest deleteRowRequest = new DeleteRowRequest(rowDeleteChange);
DeleteRowResponse deleteRowResponse = client.deleteRow(deleteRowRequest);
// 返回结果处理
System.out.println("RequestId: " + deleteRowResponse.getRequestId());
System.out.println("Read CU Cost: " + deleteRowResponse.getConsumedCapacity().getCapacityUnit().getReadCapacityUnit());
System.out.println("Write CU Cost: " + deleteRowResponse.getConsumedCapacity().getCapacityUnit().getWriteCapacityUnit());
}
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