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9805e772
编写于
8月 23, 2023
作者:
M
marui
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
8.23 modify deviceID
Signed-off-by:
N
marui
<
marui83@huawei.com
>
上级
bdc794a7
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
93 addition
and
110 deletion
+93
-110
zh-cn/application-dev/database/data-sync-of-rdb-store.md
zh-cn/application-dev/database/data-sync-of-rdb-store.md
+24
-25
zh-cn/application-dev/reference/apis/js-apis-data-relationalStore.md
...cation-dev/reference/apis/js-apis-data-relationalStore.md
+69
-85
未找到文件。
zh-cn/application-dev/database/data-sync-of-rdb-store.md
浏览文件 @
9805e772
...
...
@@ -44,8 +44,6 @@
-
单个数据库最多支持注册8个订阅数据变化的回调。
-
不支持非系统应用调用需要指定设备的分布式能力接口。
## 接口说明
...
...
@@ -142,34 +140,35 @@
> **说明:**
>
> deviceIds通过调用[dev
Manager.getTrustedDeviceListSync](../reference/apis/js-apis-device-manager.md#gettrusteddevicelistsync)方法得到,deviceManager模块的接口均为系统接口,仅系统应用可用
。
> deviceIds通过调用[dev
iceManager.getAvailableDeviceListSync](../reference/apis/js-apis-distributedDeviceManager.md#getavailabledevicelistsync)方法得到
。
```
js
// 获取deviceIds
import
deviceManager
from
'
@ohos.distributedHardware.deviceManager
'
;
deviceManager
.
createDeviceManager
(
"
com.example.appdatamgrverify
"
,
(
err
,
manager
)
=>
{
if
(
err
)
{
console
.
info
(
`Failed to create device manager. Code:
${
err
.
code
}
,message:
${
err
.
message
}
`
);
return
;
}
let
devices
=
manager
.
getTrustedDeviceListSync
();
let
deviceId
=
devices
[
0
].
deviceId
;
// 构造用于查询分布式表的谓词对象
let
predicates
=
new
relationalStore
.
RdbPredicates
(
'
EMPLOYEE
'
);
// 调用跨设备查询接口,并返回查询结果
store
.
remoteQuery
(
deviceId
,
'
EMPLOYEE
'
,
predicates
,
[
'
ID
'
,
'
NAME
'
,
'
AGE
'
,
'
SALARY
'
,
'
CODES
'
],
function
(
err
,
resultSet
)
{
if
(
err
)
{
console
.
error
(
`Failed to remoteQuery data. Code:
${
err
.
code
}
,message:
${
err
.
message
}
`
);
return
;
}
console
.
info
(
`ResultSet column names:
${
resultSet
.
columnNames
}
, column count:
${
resultSet
.
columnCount
}
`
);
import
deviceManager
from
'
@ohos.distributedDeviceManager
'
;
let
dmInstance
=
null
;
let
deviceId
=
null
;
try
{
dmInstance
=
deviceManager
.
createDeviceManager
(
"
com.example.appdatamgrverify
"
);
let
devices
=
dmInstance
.
getAvailableDeviceListSync
();
deviceId
=
devices
[
0
].
networkId
;
// 构造用于查询分布式表的谓词对象
let
predicates
=
new
relationalStore
.
RdbPredicates
(
'
EMPLOYEE
'
);
// 调用跨设备查询接口,并返回查询结果
store
.
remoteQuery
(
deviceId
,
'
EMPLOYEE
'
,
predicates
,
[
'
ID
'
,
'
NAME
'
,
'
AGE
'
,
'
SALARY
'
,
'
CODES
'
],
function
(
err
,
resultSet
)
{
if
(
err
)
{
console
.
error
(
`Failed to remoteQuery data. Code:
${
err
.
code
}
,message:
${
err
.
message
}
`
);
return
;
}
)
})
console
.
info
(
`ResultSet column names:
${
resultSet
.
columnNames
}
, column count:
${
resultSet
.
columnCount
}
`
);
}
)
}
catch
(
err
)
{
console
.
error
(
"
createDeviceManager errCode:
"
+
err
.
code
+
"
,errMessage:
"
+
err
.
message
);
}
```
## 相关实例
...
...
zh-cn/application-dev/reference/apis/js-apis-data-relationalStore.md
浏览文件 @
9805e772
...
...
@@ -798,7 +798,8 @@ inDevices(devices: Array<string>): RdbPredicates
> **说明:**
>
> 其中devices通过调用[deviceManager.getAvailableDeviceListSync](js-apis-distributedDeviceManager.md#getAvailableDeviceListSync)方法得到。数据库同步时调用Sync接口,需要在入参谓词中调用inDevices接口选择设备。如果不调用inDevices接口即默认连接组网内所有的设备。
> 其中devices通过调用[deviceManager.getAvailableDeviceListSync](js-apis-distributedDeviceManager.md#getavailabledevicelistsync)方法得到。
数据库同步时调用Sync接口,需要在入参谓词中调用inDevices接口选择设备。如果不调用inDevices接口即默认连接组网内所有的设备。
**系统能力:**
SystemCapability.DistributedDataManager.RelationalStore.Core
...
...
@@ -817,22 +818,20 @@ inDevices(devices: Array<string>): RdbPredicates
**示例:**
```
js
import
deviceManager
from
'
@ohos.distributed
Hardware.d
eviceManager
'
;
import
deviceManager
from
'
@ohos.distributed
D
eviceManager
'
;
let
dmInstance
=
null
;
let
deviceIds
=
[];
deviceManager
.
createDeviceManager
(
"
com.example.appdatamgrverify
"
,
(
err
,
manager
)
=>
{
if
(
err
)
{
console
.
log
(
"
create device manager failed, err=
"
+
err
);
return
;
}
dmInstance
=
manager
;
let
devices
=
dmInstance
.
getAvailableDeviceListSync
();
for
(
var
i
=
0
;
i
<
devices
.
length
;
i
++
)
{
deviceIds
[
i
]
=
devices
[
i
].
networkId
;
}
})
try
{
dmInstance
=
deviceManager
.
createDeviceManager
(
"
com.example.appdatamgrverify
"
);
let
devices
=
dmInstance
.
getAvailableDeviceListSync
();
for
(
var
i
=
0
;
i
<
devices
.
length
;
i
++
)
{
deviceIds
[
i
]
=
devices
[
i
].
networkId
;
}
}
catch
(
err
)
{
console
.
error
(
"
createDeviceManager errCode:
"
+
err
.
code
+
"
,errMessage:
"
+
err
.
message
);
}
let
predicates
=
new
relationalStore
.
RdbPredicates
(
"
EMPLOYEE
"
);
predicates
.
inDevices
(
deviceIds
);
```
...
...
@@ -844,9 +843,6 @@ inAllDevices(): RdbPredicates
同步分布式数据库时连接到组网内所有的远程设备。
> **说明:**
>
>如果不调用inAllDevices接口即默认连接组网内所有的远程设备。
**系统能力:**
SystemCapability.DistributedDataManager.RelationalStore.Core
...
...
@@ -2737,7 +2733,7 @@ remoteQuery(device: string, table: string, predicates: RdbPredicates, columns: A
> **说明:**
>
> 其中device通过调用[deviceManager.getAvailableDeviceListSync](js-apis-distributedDeviceManager.md#get
AvailableDeviceListS
ync)方法得到。
> 其中device通过调用[deviceManager.getAvailableDeviceListSync](js-apis-distributedDeviceManager.md#get
availabledevicelists
ync)方法得到。
**系统能力:**
SystemCapability.DistributedDataManager.RelationalStore.Core
...
...
@@ -2762,19 +2758,17 @@ remoteQuery(device: string, table: string, predicates: RdbPredicates, columns: A
**示例:**
```
js
import
deviceManager
from
'
@ohos.distributed
Hardware.d
eviceManager
'
;
import
deviceManager
from
'
@ohos.distributed
D
eviceManager
'
;
let
dmInstance
=
null
;
let
deviceId
=
null
;
deviceManager
.
createDeviceManager
(
"
com.example.appdatamgrverify
"
,
(
err
,
manager
)
=>
{
if
(
err
)
{
console
.
log
(
"
create device manager failed, err=
"
+
err
);
return
;
}
dmInstance
=
manager
;
let
devices
=
dmInstance
.
getAvailableDeviceListSync
();
deviceId
=
devices
[
0
].
networkId
;
})
try
{
dmInstance
=
deviceManager
.
createDeviceManager
(
"
com.example.appdatamgrverify
"
);
let
devices
=
dmInstance
.
getAvailableDeviceListSync
();
deviceId
=
devices
[
0
].
networkId
;
}
catch
(
err
)
{
console
.
error
(
"
createDeviceManager errCode:
"
+
err
.
code
+
"
,errMessage:
"
+
err
.
message
);
}
let
predicates
=
new
relationalStore
.
RdbPredicates
(
'
EMPLOYEE
'
);
predicates
.
greaterThan
(
"
id
"
,
0
);
...
...
@@ -2807,7 +2801,7 @@ remoteQuery(device: string, table: string, predicates: RdbPredicates, columns: A
> **说明:**
>
> 其中device通过调用[deviceManager.getAvailableDeviceListSync](js-apis-distributedDeviceManager.md#get
AvailableDeviceListS
ync)方法得到。
> 其中device通过调用[deviceManager.getAvailableDeviceListSync](js-apis-distributedDeviceManager.md#get
availabledevicelists
ync)方法得到。
**系统能力:**
SystemCapability.DistributedDataManager.RelationalStore.Core
...
...
@@ -2837,19 +2831,17 @@ remoteQuery(device: string, table: string, predicates: RdbPredicates, columns: A
**示例:**
```
js
import
deviceManager
from
'
@ohos.distributed
Hardware.d
eviceManager
'
;
import
deviceManager
from
'
@ohos.distributed
D
eviceManager
'
;
let
dmInstance
=
null
;
let
deviceId
=
null
;
deviceManager
.
createDeviceManager
(
"
com.example.appdatamgrverify
"
,
(
err
,
manager
)
=>
{
if
(
err
)
{
console
.
log
(
"
create device manager failed, err=
"
+
err
);
return
;
}
dmInstance
=
manager
;
let
devices
=
dmInstance
.
getAvailableDeviceListSync
();
deviceId
=
devices
[
0
].
networkId
;
})
try
{
dmInstance
=
deviceManager
.
createDeviceManager
(
"
com.example.appdatamgrverify
"
);
let
devices
=
dmInstance
.
getAvailableDeviceListSync
();
deviceId
=
devices
[
0
].
networkId
;
}
catch
(
err
)
{
console
.
error
(
"
createDeviceManager errCode:
"
+
err
.
code
+
"
,errMessage:
"
+
err
.
message
);
}
let
predicates
=
new
relationalStore
.
RdbPredicates
(
'
EMPLOYEE
'
);
predicates
.
greaterThan
(
"
id
"
,
0
);
...
...
@@ -3688,7 +3680,7 @@ obtainDistributedTableName(device: string, table: string, callback: AsyncCallbac
> **说明:**
>
> 其中device通过调用[deviceManager.getAvailableDeviceListSync](js-apis-distributedDeviceManager.md#get
AvailableDeviceListS
ync)方法得到。
> 其中device通过调用[deviceManager.getAvailableDeviceListSync](js-apis-distributedDeviceManager.md#get
availabledevicelists
ync)方法得到。
**需要权限:**
ohos.permission.DISTRIBUTED_DATASYNC
...
...
@@ -3713,19 +3705,17 @@ obtainDistributedTableName(device: string, table: string, callback: AsyncCallbac
**示例:**
```
js
import
deviceManager
from
'
@ohos.distributed
Hardware.d
eviceManager
'
;
import
deviceManager
from
'
@ohos.distributed
D
eviceManager
'
;
let
dmInstance
=
null
;
let
deviceId
=
null
;
deviceManager
.
createDeviceManager
(
"
com.example.appdatamgrverify
"
,
(
err
,
manager
)
=>
{
if
(
err
)
{
console
.
log
(
"
create device manager failed, err=
"
+
err
);
return
;
}
dmInstance
=
manager
;
let
devices
=
dmInstance
.
getAvailableDeviceListSync
();
deviceId
=
devices
[
0
].
networkId
;
})
try
{
dmInstance
=
deviceManager
.
createDeviceManager
(
"
com.example.appdatamgrverify
"
);
let
devices
=
dmInstance
.
getAvailableDeviceListSync
();
deviceId
=
devices
[
0
].
networkId
;
}
catch
(
err
)
{
console
.
error
(
"
createDeviceManager errCode:
"
+
err
.
code
+
"
,errMessage:
"
+
err
.
message
);
}
store
.
obtainDistributedTableName
(
deviceId
,
"
EMPLOYEE
"
,
function
(
err
,
tableName
)
{
if
(
err
)
{
...
...
@@ -3744,7 +3734,7 @@ store.obtainDistributedTableName(deviceId, "EMPLOYEE", function (err, tableName)
> **说明:**
>
> 其中device通过调用[deviceManager.getAvailableDeviceListSync](js-apis-distributedDeviceManager.md#get
AvailableDeviceListS
ync)方法得到。
> 其中device通过调用[deviceManager.getAvailableDeviceListSync](js-apis-distributedDeviceManager.md#get
availabledevicelists
ync)方法得到。
**需要权限:**
ohos.permission.DISTRIBUTED_DATASYNC
...
...
@@ -3774,19 +3764,17 @@ store.obtainDistributedTableName(deviceId, "EMPLOYEE", function (err, tableName)
**示例:**
```
js
import
deviceManager
from
'
@ohos.distributed
Hardware.d
eviceManager
'
;
import
deviceManager
from
'
@ohos.distributed
D
eviceManager
'
;
let
dmInstance
=
null
;
let
deviceId
=
null
;
deviceManager
.
createDeviceManager
(
"
com.example.appdatamgrverify
"
,
(
err
,
manager
)
=>
{
if
(
err
)
{
console
.
log
(
"
create device manager failed, err=
"
+
err
);
return
;
}
dmInstance
=
manager
;
let
devices
=
dmInstance
.
getAvailableDeviceListSync
();
deviceId
=
devices
[
0
].
networkId
;
})
try
{
dmInstance
=
deviceManager
.
createDeviceManager
(
"
com.example.appdatamgrverify
"
);
let
devices
=
dmInstance
.
getAvailableDeviceListSync
();
deviceId
=
devices
[
0
].
networkId
;
}
catch
(
err
)
{
console
.
error
(
"
createDeviceManager errCode:
"
+
err
.
code
+
"
,errMessage:
"
+
err
.
message
);
}
let
promise
=
store
.
obtainDistributedTableName
(
deviceId
,
"
EMPLOYEE
"
);
promise
.
then
((
tableName
)
=>
{
...
...
@@ -3825,21 +3813,19 @@ sync(mode: SyncMode, predicates: RdbPredicates, callback: AsyncCallback<Array
**示例:**
```
js
import
deviceManager
from
'
@ohos.distributed
Hardware.d
eviceManager
'
;
import
deviceManager
from
'
@ohos.distributed
D
eviceManager
'
;
let
dmInstance
=
null
;
let
deviceIds
=
[];
deviceManager
.
createDeviceManager
(
"
com.example.appdatamgrverify
"
,
(
err
,
manager
)
=>
{
if
(
err
)
{
console
.
log
(
"
create device manager failed, err=
"
+
err
);
return
;
}
dmInstance
=
manager
;
let
devices
=
dmInstance
.
getAvailableDeviceListSync
();
for
(
var
i
=
0
;
i
<
devices
.
length
;
i
++
)
{
deviceIds
[
i
]
=
devices
[
i
].
networkId
;
}
})
try
{
dmInstance
=
deviceManager
.
createDeviceManager
(
"
com.example.appdatamgrverify
"
);
let
devices
=
dmInstance
.
getAvailableDeviceListSync
();
for
(
var
i
=
0
;
i
<
devices
.
length
;
i
++
)
{
deviceIds
[
i
]
=
devices
[
i
].
networkId
;
}
}
catch
(
err
)
{
console
.
error
(
"
createDeviceManager errCode:
"
+
err
.
code
+
"
,errMessage:
"
+
err
.
message
);
}
let
predicates
=
new
relationalStore
.
RdbPredicates
(
'
EMPLOYEE
'
);
predicates
.
inDevices
(
deviceIds
);
...
...
@@ -3889,21 +3875,19 @@ store.sync(relationalStore.SyncMode.SYNC_MODE_PUSH, predicates, function (err, r
**示例:**
```
js
import
deviceManager
from
'
@ohos.distributed
Hardware.d
eviceManager
'
;
import
deviceManager
from
'
@ohos.distributed
D
eviceManager
'
;
let
dmInstance
=
null
;
let
deviceIds
=
[];
deviceManager
.
createDeviceManager
(
"
com.example.appdatamgrverify
"
,
(
err
,
manager
)
=>
{
if
(
err
)
{
console
.
log
(
"
create device manager failed, err=
"
+
err
);
return
;
}
dmInstance
=
manager
;
let
devices
=
dmInstance
.
getAvailableDeviceListSync
();
for
(
var
i
=
0
;
i
<
devices
.
length
;
i
++
)
{
deviceIds
[
i
]
=
devices
[
i
].
networkId
;
}
})
try
{
dmInstance
=
deviceManager
.
createDeviceManager
(
"
com.example.appdatamgrverify
"
);
let
devices
=
dmInstance
.
getAvailableDeviceListSync
();
for
(
var
i
=
0
;
i
<
devices
.
length
;
i
++
)
{
deviceIds
[
i
]
=
devices
[
i
].
networkId
;
}
}
catch
(
err
)
{
console
.
error
(
"
createDeviceManager errCode:
"
+
err
.
code
+
"
,errMessage:
"
+
err
.
message
);
}
let
predicates
=
new
relationalStore
.
RdbPredicates
(
'
EMPLOYEE
'
);
predicates
.
inDevices
(
deviceIds
);
...
...
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