WMDE-leszek edited the task description. (Show Details)
EDIT DETAILS...2. Populate new column at the same time than the current one (ideally with code, but if you do not want to touch code, it can even be made with a trigger) + populate old values with maintenance...4. At some point in the future,
WMDE-leszek edited the task description. (Show Details)
EDIT DETAILS...**Background:**
General plan for the whole schema change is:
1. Add term_entity_id_s VARBINARY(32) to wb_terms. All values NULL
2. Populate term_entity_id_s based on existing data in wb_termsCurrent schema change plan (as
WMDE-leszek edited the task description. (Show Details)
EDIT DETAILS...There will be no code writing to and reading from the new column until the process of adding the column is complete.
**Background:**
General plan for the whole schema change is:
1. Add term_entity_id_s VARBINARY(32) to
WMDE-leszek edited the task description. (Show Details)
EDIT DETAILS...https://gerrit.wikimedia.org/r/#/c/341322/1/repo/sql/AddTermsFullEntityId.sql is a draft of the change we want to do.
There will be no code writing to and reading from the new column until the process of adding the column is