Use this REST request to update a record in the ESP window. This REST request is a POST type request.
http://serverDetails/espws/restservice/stream/<stream/windowname>?action=update&workspace=<workspaceName>&project=<projectName>
Element | Description |
---|---|
defaultCluster |
(Optional) Specify a default cluster for the REST server to which you are connecting. This element contains the credentialselement below. If you specify this element, the workspace name specified in the URI is ignored. Specify either this element or the connectionDetails element. If you specify both elements, you will receive an error. |
credentials | (Optional) Specify a value based on the type of authentication the
ESP Server is using.
|
connectionDetails |
(Required only if defaultCluster is not specified) Element containing clusterName, port, and authentication details below. Specify either this element or the defaultCluster element. If you specify both elements, you will receive an error. |
clusterName |
Type: string (Required if no default is specified) The name of the cluster on which the project that you wish to update is running. |
port |
Type: integer (Required) Specify the port on which the cluster is running. |
authentication |
(Required) Element containing authentication details (type, data, and sslEnabled). |
type |
Type: string (Required) Specify the type of authentication the ESP Server is using. Valid values are user, RSA, and Kerberos. |
data |
Type: string (Required) Specify a value based on the type of authentication you specified in the
type element. For example,
|
sslEnabled |
Type: boolean (Required) Specify whether SSL is enabled on the cluster on which the project is running. The default value is false. |
Element | Description |
---|---|
content |
(Required) Element containing content details for the REST request. |
<primaryKey> |
(Required) Specify the window's PRIMARY KEY and a unique value. The format is "<primarykeyname>":<uniquevalue>. For example, "pKey":"1". If you do not specify a unique value, the request returns an error unless you are performing an update. The PRIMARY KEY is specified in the CCL of the project. |
<columnname> |
(Optional) Specify a column to which you wish to publish data. The format is "<columnname>":"<value>". For example, "amount":"10". If a column is specified in the request content but does not exist in the stream or window schema, the column is ignored. If you do not specify existing column schema in the request content, these columns are filled with a NULL value by default. |
http://localhost:9091/espws/restservice/stream/mystream?action=update&workspace=default&project=my_project
{ "defaultCluster" : { "credentials" : "<username>:<password>" } } }, "content": { "id": "10", "description": "buy_item", "amount": "10" } }
{
"connectionDetails": {
" clusterName ": "iltlvl231",
"port": "19011",
"authentication": {
"type": "user",
"data": "lroot:<password>",
"sslEnabled": "true"
}
},
"content": {
"id": "10",
"description": "buy_item",
"amount": "10"
}
}