Google BigQuery Connector

This node creates a connection to a Google BigQuery server via its JDBC driver. Due to license restrictions the BigQuery JDBC driver is not part of the KNIME Analytics Platform and needs to be downloaded and registered separately. For more details on where to download and how to register the BigQuery driver see the database documentation.
You need to provide the server's hostname (or IP address), the port, and a database name (project ID). Login credentials are provided via the Google Service Connection input port.

This node uses the selected driver's JDBC URL template to create the concrete database URL. Field validation in the dialog depends on whether the (included) tokens referencing them are mandatory or optional in the template.

Options

Connection settings

Database Dialect: Choose the registered database dialect here.
Driver Name: Choose the registered database driver here. Additional drivers can be registered via KNIME's preference page "KNIME -> Databases". For more details on how to register a new driver see the database documentation.
Hostname: The hostname (or IP address) of a Google BigQuery server. The corresponding driver URL template variable is host.
Port: The port on which the Google BigQuery server is listening. The default port is 443. The corresponding driver URL template variable is port.
Database name: The name (project ID) of the database you want to connect to that should be used for billing. The corresponding driver URL template variable is database.

JDBC Parameters

This tab allows you to define JDBC driver connection parameter. The value of a parameter can be a constant, variable, credential user, credential password or KNIME URL. For more information about the supported driver properties see the Google BigQuery documentation.

Advanced

This tab allows you to define KNIME framework properties such as connection handling, advanced SQL dialect settings or logging options.

Input Type Mapping

This tab allows you to define rules to map from database types to KNIME types.

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

Output Type Mapping

This tab allows you to define rules to map from KNIME types to database types.

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

Input Ports

: A connection that can be used to access various Google services.

Output Ports

: Google BigQuery DB Connection.

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Installation

To use this node in KNIME, install the extension KNIME BigQuery from the below update site following our NodePit Product and Node Installation Guide:

v5.2

A zipped version of the software site can be downloaded here.

Plugin provider: KNIME AG, Zurich, Switzerland

Plugin version: 5.2.1.v202402011442

On NodePit since: 2023-12-06

Last update: 2024-04-15

KNIME versions: Since v4.1

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