Description:
Get cluster information and execute a complete HTTP request independently.
Syntax:
hbase_rest(restUrl, method, content; httpHeader1, httpHeader2, …) .
Note:
The external library function (See External Library Guide) gets cluster information and performs a certain operation on data, without creating an HBase connection in advance.
Parameter:
|
restUrl |
The REST URL. |
|
method |
An HTTP method, whose value is GET, PUT, POST or DELETE. |
|
content |
An HTTP request message, which can be omitted when the current method does not submit one |
|
httpHeader1/httpHeader2 |
The HTTP request header; can be omitted. |
Return value:
Table sequence
Example:
|
|
A |
|
|
1 |
=hbase_rest("http://127.0.0.1:3456/namespaces","GET") |
Query data using the GET method. |
|
2 |
<?xml version="1.0" encoding="UTF-8"?>
<TableSchema name="Orders">
<ColumnSchema name="infos" />
<ColumnSchema name="datas" />
</TableSchema> |
|
|
3 |
=hbase_rest("http://127.0.0.1:3456/Orders/schema","PUT",A2;"Content-Type:text/xml","Accept: text/xml") |
Handle data using the PUT method. |