mysql_udf_http_golang

MySQL or MariaDB UDF(User-Defined Functions) HTTP Client Plugin

Setup

Clone Source

git clone https://github.com/2rebi/mysql_udf_http_golang.git udf
cd udf

Auto Build

bash ./install.sh {username} {password}

{username} replace your MySQL or MariaDB Username.
{password} replace your MySQL or MariaDB Password(Optional).

Manual Build

bash ./build.sh

Build output is http.so, move file to plugin_dir path.
if you don't know plugin_dir path.
Command input this on MySQL, MariaDB connection.

SHOW VARIABLES LIKE 'plugin_dir';

Ex)

$ mysql -u root -p
Enter password:

And

MariaDB [(none)]> SHOW VARIABLES LIKE 'plugin_dir';
+---------------+-----------------------------------------------+
| Variable_name | Value                                         |
+---------------+-----------------------------------------------+
| plugin_dir    | /usr/local/Cellar/mariadb/10.3.12/lib/plugin/ |
+---------------+-----------------------------------------------+
1 row in set (0.001 sec)

and http.so move to Value path.

mv ./http.so /usr/local/Cellar/mariadb/10.3.12/lib/plugin/

Finally, execute query

Http Help

CREATE FUNCTION http_help RETURNS STRING SONAME 'http.so';

Http Get Method

CREATE FUNCTION http_get RETURNS STRING SONAME 'http.so';

Http Post Method

CREATE FUNCTION http_post RETURNS STRING SONAME 'http.so';

Usage

- Help

SELECT http_help();

- GET Method

Prototype

SELECT http_get(url, options...);

Simple Request

SELECT http_get('http://example.com');

Return

{
    "Body" : String(HTML(Default), Base64, Hexdecimal)
}

Output Option

SELECT http_get('http://example.com', '-O FULL');

Return

{
    "Proto"  : String(Http Version, HTTP/1.0, HTTP/1.1, HTTP/2.0),
    "Status" : String(Status Code, 200 OK, 404 NOT FOUND...),
    "Header" : JSON(`{Key : Array, ...}`),
    "Body"   : String(HTML(Default), Base64, Hexdecimal)
}

-O {outputType} Define kind of result.
PROTO, STATUS or STATUS_CODE, HEADER, BODY(default), FULL
-O PROTO|STATUS|HEADER|BODY same this -O FULL.

Custom Header

SELECT http_get('http://example.com', '-O FULL', '-H CustomKey:CustomValue', '-H Authorization:Bearer a1b2c3d4-123e-5678-9fgh-ijk098765432')

Like this

GET / HTTP/1.1
Host: example.com
CustomKey: CustomValue
Authorization: Bearer a1b2c3d4-123e-5678-9fgh-ijk098765432
User-Agent: Go-http-client/1.1
Accept-Encoding: gzip

Option param input -H {key}:{value}.

- POST Method

Prototype

SELECT http_post(url, contentType, body, options...)

Simple Request(No Body)

SELECT http_post('http://example.com', '', '');

Simple Request(Json Body)

SELECT http_post('http://example.com', 'application/json', '{"Hello":"World"}');

Like this

POST / HTTP/1.1
Host: example.com
Content-Type: application/json
Content-Length: 17
User-Agent: Go-http-client/1.1
Accept-Encoding: gzip


{"Hello":"World"}

- Raw Method

Prototype

SELECT http_raw(method, url, body, options...)

PUT

SELECT http_raw('PUT', url, body, options...)

PATCH

SELECT http_raw('PATCH', url, body, options...)

DELETE

SELECT http_raw('DELETE', url, body, options...)

License

THE BEER-WARE LICENSE (Revision 42)

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