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!377 inform for local data changed

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Merge pull request !377 from LeiiYB/master
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openharmony_ci 2024-04-23 10:34:12 +00:00 committed by Gitee
commit 27d0c92066
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1 changed files with 9 additions and 1 deletions
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10
distributeddatamgr/relational_store/include/relational_store.h
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@ -554,6 +554,12 @@ typedef enum Rdb_SubscribeType {
* @brief Subscription to cloud data change details.
*/
RDB_SUBSCRIBE_TYPE_CLOUD_DETAILS,
/**
* @brief Subscription to local data change details.
* @since 12
*/
RDB_SUBSCRIBE_TYPE_LOCAL_DETAILS,
} Rdb_SubscribeType;
/**
@ -613,10 +619,12 @@ typedef struct Rdb_DataObserver {
/**
* @brief Registers an observer for the database.
* When data in the distributed database changes, the callback will be invoked.
* When data in the distributed database or the local database changes, the callback will be invoked.
*
* @param store Represents a pointer to an {@link OH_Rdb_Store} instance.
* @param type Indicates the subscription type, which is defined in {@link Rdb_SubscribeType}.
* If its value is RDB_SUBSCRIBE_TYPE_LOCAL_DETAILS, the callback will be invoked for data changes
* in the local database.
* @param observer The {@link Rdb_DataObserver} of change events in the database.
* @return Returns the status code of the execution. See {@link OH_Rdb_ErrCode}.
* @see OH_Rdb_Store.