feat(jdbc): add HttpTransportOptions timeout configuration

[keshavdandeva]

b/454382967

Adds support for configuring HttpConnectTimeout and HttpReadTimeout in the BigQuery JDBC driver via connection properties or the JDBC URL. This allows users to control the connect and read timeouts for the underlying HTTP transport (default: 60,000ms)

[gemini-code-assist]

Summary of Changes

Hello @keshavdandeva, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request empowers users of the BigQuery JDBC driver with greater control over network communication by enabling the configuration of HTTP connection and read timeouts. This enhancement allows for fine-tuning the driver's behavior to better suit various network environments and performance requirements, preventing long-running or stalled connections from impacting application responsiveness.

Highlights

• HTTP Timeout Configuration: Introduced HttpConnectTimeout and HttpReadTimeout properties for the BigQuery JDBC driver.
• Configurability: Users can now specify these timeouts via connection properties or directly in the JDBC URL.
• Default Values: Both connect and read timeouts default to 60,000 milliseconds (60 seconds) if not explicitly set.
• Underlying Transport Control: These settings directly influence the connect and read timeouts of the underlying HTTP transport.

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[gemini-code-assist]

Code Review

This pull request adds support for configuring HttpConnectTimeout and HttpReadTimeout in the BigQuery JDBC driver. The implementation is generally sound and follows existing patterns. However, I've identified a potential breaking change where a default 60-second timeout is applied to all connections, which could impact users with long-running queries. I've provided suggestions across two files to address this by applying timeouts only when explicitly configured by the user. Additionally, I've noted a minor gap in test coverage for the new functionality.