Amazon Redshift Connector

Options

Hostname

The hostname (or IP address) of an Amazon Redshift server. The corresponding driver URL template variable is host.

Port

The port on which the Amazon Redshift server is listening. The default port is 5439. The corresponding driver URL template variable is port.

Database name

The name of the database you want to connect to. The corresponding driver URL template variable is database.

Credentials

Username and password for authenticating with the Amazon Redshift database.

Database dialect

Choose the registered database dialect here.

Use latest driver version available

If selected, upon execution the node will automatically use the driver with the latest (highest) driver version that is available for the current database type. This has the advantage that you do not need to touch the workflow after a driver update. However, the workflow might break in the rare case that the behavior of the driver e.g. type mapping changes with the newer version.

Database driver

Choose the JDBC driver to connect to the database here. You can select a specific version of the registered drivers via the drop-down list. Additional drivers can be registered via KNIME's preference page "KNIME -> Databases".

JDBC parameters

This section allows you to define JDBC driver connection parameters. The value of a parameter can be a constant, credential username, credential password, file path or KNIME URL. For more information about the supported driver properties see the Amazon Redshift documentation.

Input mapping by name

Columns that match the given name (or regular expression) and database type will be mapped to the specified KNIME type.

• Column selection type: The option allows you to select how the column is matched.
  • Manual: Use the exact name of the column
  • Regex: Allow regex expressions to select multiple columns
• Column name: The name or regex expression.
• Database type: SQL type to map from.
• Mapping to: Datatype to map to.

Input mapping by type

Columns that match the given database type will be mapped to the specified KNIME type.

• From type: SQL type to map from.
• To type: Datatype to map to.

Output mapping by name

Columns that match the given name (or regular expression) and KNIME type will be mapped to the specified database type.

• Column selection type: The option allows you to select how the column is matched.
  • Manual: Use the exact name of the column
  • Regex: Allow regex expressions to select multiple columns
• Column name: The name or regex expression.
• Source type: Datatype to map from.
• Mapping to: SQL type to map to.

Output mapping by type

Columns that match the given KNIME type will be mapped to the specified database type.

• From type: Datatype to map from.
• To type: SQL type to map to.

Additional settings

This tab allows you to define KNIME framework properties such as connection handling, advanced SQL dialect settings or logging options. The available properties depend on the selected database type and driver. For more information about the supported parameters see the KNIME Database Extension Guide.

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Workflows

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Links

• Database documentation

  docs.knime.com/latest/db_extension_guide/index.html#register_jdbc

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