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Default value population for new fields in rotated or extended tables do not target specific table shards. This generates poorly performing UNION queries to acquire the datasets to update. Steps to Reproduce 1. Activate SQL debugging. 2. Add a new field with a default value to a rotated/extended table. 3. Observe the queries to get the sys_id chunks. These are UNIONing all tables (e.g. sys_email0000, sys_email0001) instead of using only the required shard one at the time.
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PRB1079294
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