May 14, 2026

Feature Spanner supports the FACTORIZED_MODE join hint. You can control which sides of a join to factorize (deduplicate) before executing the join by using the FACTORIZE_LEFT , FACTORIZE_RIGHT , or FACTORIZE_BOTH hint values. For more information, see Factorized mode . Announcement The Spanner change streams default retention period has been increased from 1 day to 7 days. This change affects both new and existing change streams that don’t have a retention period explicitly set. You can always…