| 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_terms
3. Create index on term_entity_s
4. Create index on term_language, term_entity_id_s, term_type, term_search_key(16)
5. Drop old column term_entity_id from wb_terms.
6. Rename term_entity_id_s to term_entity_id
...
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 wb_terms. All values NULL
2. Populate term_entity_id_s based on existing data in wb_terms
3. Create index on term_entity_s
4. Create index on term_language, term_entity_id_s, term_type, term_search_key(16)
5. Drop old column term_entity_id from wb_terms.
6. Rename term_entity_id_s to term_entity_id
TASK DETAIL
EMAIL PREFERENCES
To: WMDE-leszek
Cc: jcrespo, Marostegui, Lydia_Pintscher, Aklapper, daniel, WMDE-leszek, Minhnv-2809, D3r1ck01, Izno, Luke081515, Wikidata-bugs, aude, Mbch331, Jay8g, Krenair
Cc: jcrespo, Marostegui, Lydia_Pintscher, Aklapper, daniel, WMDE-leszek, Minhnv-2809, D3r1ck01, Izno, Luke081515, Wikidata-bugs, aude, Mbch331, Jay8g, Krenair
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