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D s ed
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Excerpt

You can create connections to one or

...

more 

D s conntype
typemysql
 databases from 
D s product
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. For more information on MySQL, see https://www.mysql.com/.


If you are connecting

D s product
to any relational source of data, such as Redshift or Oracle, you must add the
D s item
itemService
to your whitelist for those resources.For more information, see Getting Started with Cloud Dataprep.

Supported Versions: 5.7 and 8.0 Community

  • Read: Supported
  • Write: Supported


Configure

To create this connection:

  • In the Import Data page, click the Plus sign. Then, select the Relational tab. Click the MySQL card
    D s conntype
    typemysql
     card
  • You can also create connections through the Connections page. 
  • See Connections Page.

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PropertyDescription
Host
Enter your fully qualified hostname. Example:

 

Code Block
mysql-server.example.net
PortSet this value to 3306.
Connect String Options

Insert any additional connection parameters, if needed. See below.

User NameUsername to use to connect to the database.
PasswordPassword associated with the above username.
Test ConnectionAfter you have defined the connection credentials type, credentials, and connection string, you can validate those credentials.
Default Column Data Type Inference

Set to disabled to prevent the platform from applying its own type inference to each column on import. The default value is enabled.

Connection NameDisplay name of the connection
Connection DescriptionDescription of the connection, which appears in the application.

...

Connection URL

The properties that you provide are inserted into the following URL, which connects 

D s product
 to the connection:

Code Block
jdbc:mysql://<host>:<port>/<database><connect-string-options>

Connect string options

The connect string options are optional. If you are passing additional properties and values to complete the connection, the connect string options must be structured in the following manner:

...

  • ? : any set of connect string options must begin with a question mark.
  • &all additional property names must be prefixed with an ampersand (&).
  • =property names and values must be separated with an equal sign (=).

Default connect string options

The following connect string options are specified by default.

...

Code Block
useCursorFetch=true;

Driver Information

This connection uses the following driver:

Create via API

This connection can also be created using the API. 

  • Type: jdbc
  • Vendor: mysql

For more information, see 

D s api refdoclink
#operation/createConnection

Troubleshooting

Error messageDescription
1042 - ER_BAD_HOST_ERROR

Unable to connect to host. Please verify the host and port values.

1045 - ER_ACCESS_DENIED_ERROR

Credentials failed to connect. Please verify your credentials.

Tip

Tip: Click the Test Connection button to verify that your credentials are working properly.

Error: zero date value prohibited

Set the following option in the connect string options:

Code Block
zeroDateTimeBehavior=convertToNull
Prepared statement needs to be re-prepared.

Database Cursor is not compatible with PREPARED statements in MySQL. The fix is to set the following in the Connect String Options:

Code Block
useCursorFetch=false

For more information on error messages for this connection type, see https://dev.mysql.com/doc/refman/8.0/en/error-handling.html.

Use

For more information, see Database Browser.

Data Conversion

For more information on how values are converted during input and output with this database, see MySQL Data Type Conversions.

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