Oracle encapsulates restful interfaces into views

oracleThe environment sometimes requires access to third-party distributionswebservice接口,Sometimes we have a whim,It would be nice to have access to these interfaces as if it were a local table,The following is the implementation method

数据示例

The following is a simple instance returned by an interface

{
    
    "code": 200,
    "data": [
        {
    
            "parent": "B01",
            "name": "xxxxx",
            "code": "B0101",
            "enable_flag": "Y",
            "los_date": ""
        },
        {
    
            "parent": "B0101",
            "name": "gggggggggg",
            "code": "B010105",
            "enable_flag": "Y",
            "los_date": ""
        }
    ]
}

具体实现

这里用到了两个工具：oracle apex 和 三方开源库 pljson,轻松实现

CREATE OR REPLACE VIEW XXXXX_V AS
SELECT json.status_code,
         budget_dept_code,
         budget_dept_name,
         parent_code,
         enable_flag,
         end_active_date
    FROM TABLE(pljson_table.json_table(apex_web_service.make_rest_request(p_url         => 'https://blog.csdn.net/x6_9x',
                                                                          p_http_method => 'GET',
                                                                          p_wallet_path => xxx_ysx_yyds.get_wallet_path,
                                                                          p_wallet_pwd  => xxx_ysx_yyds.get_wallet_pwd),
                                       pljson_varray('code',
                                                     'data[*].code',
                                                     'data[*].name',
                                                     'data[*].parent',
                                                     'data[*].enable_flag',
                                                     'data[*].los_date'),
                                       pljson_varray('status_code',
                                                     'budget_dept_code',
                                                     'budget_dept_name',
                                                     'parent_code',
                                                     'enable_flag',
                                                     'end_active_date'),
                                       table_mode => 'nested')) json

   ORDER BY 2;

If it is to be consumedhttps接口,则需要配置oracleWallet import certificate,Interfaces with parameters are also supported here,可以把参数放到where条件中,具体可以参考apex_web_service.make_rest_request的用法
This is achieved like writingsql一样来访问webservice数据