1.64.0 (2024-06-29)

Features

• spanner: Add field lock_hint in spanner.proto (3df3c04)
• spanner: Add field order_by in spanner.proto (3df3c04)
• spanner: Add LockHint feature (#10382) (64bdcb1)
• spanner: Add OrderBy feature (#10289) (07b8bd2)
• spanner: Add support of checking row not found errors from ReadRow and ReadRowUsingIndex (#10405) (5cb0c26)

Bug Fixes

• spanner: Fix data-race caused by TrackSessionHandle (#10321) (23c5fff), refs #10320
• spanner: Fix negative values for max_in_use_sessions metrics (#10449) (a1e198a)
• spanner: Prevent possible panic for Session not found errors (#10386) (ba9711f), refs #10385