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[JDBC] Implement DataSource login timeout

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
66/100
Issue type
Feature
Clarity
Mostly clear
Activity status
Active
Tech stack
java
Domain
databases

Research direction

Start with ArrowFlightJdbcDataSource.setLoginTimeout(int), getLoginTimeout(), and the DataSource.getConnection() path; compare them with the existing connectTimeoutMs behavior. Add coverage for the default, setter/getter, timeout enforcement, SQLTimeoutException, and cleanup of partially created resources. Done means zero preserves default behavior and nonzero login timeouts cancel failed attempts without leaks.

Written by the indexing model from the issue text.

Description

Describe the enhancement requested

ArrowFlightJdbcDataSource.setLoginTimeout(int) currently throws SQLFeatureNotSupportedException, and getLoginTimeout() always returns 0.

Implement the JDBC DataSource login-timeout contract:

  • Store and return the timeout configured for each ArrowFlightJdbcDataSource instance.
  • Apply a nonzero timeout to connection establishment through DataSource.getConnection().
  • Preserve the JDBC semantics of zero: use the default system timeout if one exists; otherwise, do not impose a timeout.
  • If the timeout expires, attempt to cancel the connection attempt and throw SQLTimeoutException.
  • Clean up any allocator, channel, or partially constructed client when the attempt is cancelled or times out.
  • Add tests for the default value, setter/getter behavior, timeout enforcement, exception type, and resource cleanup.

This is distinct from #494/#495. The existing connectTimeoutMs property configures Netty socket connection attempts; the JDBC login timeout applies to the overall database connection attempt exposed by DataSource.getConnection().

Context: #1027 and the follow-up discussion.

Related DriverManager work: https://github.com/apache/arrow-java/issues/1268

Dominant language
Java
Stars
95
Forks
154
Avg merge
2d 10h
Merged PRs (30d)
11

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