com.alicloud.openservices.tablestore.model.condition

接口 ColumnCondition

所有已知实现类:

CompositeColumnValueCondition, SingleColumnValueCondition

public interface ColumnCondition

TableStore supports conditional update functionality, allowing you to set a condition Condition when performing PutRow, UpdateRow, DeleteRow, or BatchWriteRow operations. A Condition includes row existence expectations RowExistenceExpectation and column conditions ColumnCondition. ColumnCondition currently includes SingleColumnValueCondition and CompositeColumnValueCondition, the former is used to set a condition on a specific column value, such as "the value of column A is greater than 0", while the latter can set composite column value conditions, for example, "the value of column A is greater than 0 and the value of column B is less than 'abc'".

方法概要

限定符和类型	方法和说明
ColumnConditionType	getConditionType()
com.aliyun.ots.thirdparty.com.google.protobuf.ByteString	serialize()

方法详细资料

getConditionType

ColumnConditionType getConditionType()

serialize

com.aliyun.ots.thirdparty.com.google.protobuf.ByteString serialize()