Hi

Below is the script I used to create table in Mysql


CREATE TABLE `sample` (

  `id` varchar(45) NOT NULL,

  `a` decimal(10,3) DEFAULT NULL,

  `b` decimal(10,3) DEFAULT NULL,

  `c` decimal(10,3) DEFAULT NULL,

  `d` decimal(10,3) DEFAULT NULL,

  PRIMARY KEY (`id`)

) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;



 Table data

Id- 1

a- 0.002

b- 2.250

c- 0.789

d- 0.558

On Thu, Jul 2, 2020, 19:50 Ricardo Ferreira <rifer...@riferrei.com> wrote:

> Vishnu,
>
> I think is hard to troubleshoot things without the proper context. In
> your case, could you please share an example of the rows contained in
> the table `sample`? As well as its DDL?
>
> -- Ricardo
>
> On 7/2/20 9:29 AM, vishnu murali wrote:
> > I go through that documentation
> >
> > Where it described like DECIMAL is not supported in MySQL  like this .
> >
> > And also no example for MySQL so is there any other sample with MySQL
> >
> >
> >
> > On Thu, Jul 2, 2020, 18:49 Robin Moffatt <ro...@confluent.io> wrote:
> >
> >> Check out this article where it covers decimal handling:
> >>
> >>
> https://www.confluent.io/blog/kafka-connect-deep-dive-jdbc-source-connector/#bytes-decimals-numerics
> >>
> >>
> >> --
> >>
> >> Robin Moffatt | Senior Developer Advocate | ro...@confluent.io | @rmoff
> >>
> >>
> >> On Thu, 2 Jul 2020 at 13:54, vishnu murali <vishnumurali9...@gmail.com>
> >> wrote:
> >>
> >>> Hi Guys,
> >>>
> >>> I am having some problem while reading from MySQL using JDBC source and
> >>> received like below
> >>> Anyone know what is the reason and how to solve this ?
> >>>
> >>> "a": "Aote",
> >>>
> >>>    "b": "AmrU",
> >>>
> >>>    "c": "AceM",
> >>>
> >>>    "d": "Aote",
> >>>
> >>>
> >>> Instead of
> >>>
> >>> "a": 0.002,
> >>>
> >>>    "b": 0.465,
> >>>
> >>>    "c": 0.545,
> >>>
> >>>    "d": 0.100
> >>>
> >>>
> >>> It's my configuration
> >>>
> >>>
> >>> {
> >>>
> >>>      "name": "sample",
> >>>
> >>>      "config": {
> >>>
> >>>          "connector.class":
> >> "io.confluent.connect.jdbc.JdbcSourceConnector",
> >>>          "connection.url": "jdbc:mysql://localhost:3306/sample",
> >>>
> >>>          "connection.user": "xxxx",
> >>>
> >>>          "connection.password": "xxx",
> >>>
> >>>          "topic.prefix": "dample-",
> >>>
> >>>          "poll.interval.ms": 3600000,
> >>>
> >>>          "table.whitelist": "sample",
> >>>
> >>>          "schemas.enable": "false",
> >>>
> >>>          "mode": "bulk",
> >>>
> >>>          "value.converter.schemas.enable": "false",
> >>>
> >>>          "numeric.mapping": "best_fit",
> >>>
> >>>          "value.converter":
> "org.apache.kafka.connect.json.JsonConverter",
> >>>
> >>>          "transforms": "createKey,extractInt",
> >>>
> >>>          "transforms.createKey.type":
> >>> "org.apache.kafka.connect.transforms.ValueToKey",
> >>>
> >>>          "transforms.createKey.fields": "ID",
> >>>
> >>>          "transforms.extractInt.type":
> >>> "org.apache.kafka.connect.transforms.ExtractField$Key",
> >>>
> >>>          "transforms.extractInt.field": "ID"
> >>>
> >>>      }
> >>>
> >>> }
> >>>
>

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