tuteng opened a new pull request #3268: Optimization of binlog to pulsar use 
canal
URL: https://github.com/apache/pulsar/pull/3268
 
 
   ### Motivation
   
   Optimization of mysql binlog to pulsar use canal
   
   ### Modifications
   
   Add MessageUtils for parse columns
   Support query of presto sql
   
   ### Result
   
   #### INSERT
   mysql:
   ```
   MariaDB [aaa]> insert into users321(name, extra) values('xxxddxxxmm', 'ddd');
   ```
   python consumer:
   ```
   {u'timestamp': u'2018-12-31 00:31:24', u'message': 
u'[{"data":null,"database":"","es":1546234283000,"id":58,"isDdl":false,"mysqlType":null,"old":null,"sql":"insert
 into users321(name, extra) values(\'xxxddxxxmm\', 
\'ddd\')","sqlType":null,"table":"","ts":1546234284669,"type":"QUERY"},{"data":[{"isKey":"1","isNull":"0","index":"0","mysqlType":"int(11)","columnName":"id","columnValue":"34","updated":"1"},{"isKey":"0","isNull":"0","index":"1","mysqlType":"varchar(50)","columnName":"name","columnValue":"xxxddxxxmm","updated":"1"},{"isKey":"0","isNull":"0","index":"2","mysqlType":"varchar(50)","columnName":"extra","columnValue":"ddd","updated":"1"}],"database":"aaa","es":1546234283000,"id":58,"isDdl":false,"mysqlType":null,"old":null,"sql":"","sqlType":null,"table":"users321","ts":1546234284670,"type":"INSERT"}]',
 u'id': 58}
   ```
   presto sql:
   ```
   presto> select id, timestamp, message from 
pulsar."public/default".my_topic_test where id=58;
    id |      timestamp      |
   
----+---------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
    58 | 2018-12-31 00:31:24 | 
[{"data":null,"database":"","es":1546234283000,"id":58,"isDdl":false,"mysqlType":null,"old":null,"sql":"insert
 into users321(name, extra) values('xxxddxxxmm', 'ddd')","sqlType"
   ```
   
   

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