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docs: add migration for search_name_* tables

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Sarah Hoffmann
2020-11-26 09:18:33 +01:00
parent 1f07d63dc5
commit 62bee4ed37
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docs/admin/Migration.md
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@@ -8,6 +8,18 @@ SQL statements should be executed from the PostgreSQL commandline. Execute
## 3.5.0 -> master
### Change of layout of search_name_* tables
The table need a different index for nearest place lookup. Recreate the
indexs suing the following shell script:
```bash
for table in `psql -d nominatim -c "SELECT tablename FROM pg_tables WHERE tablename LIKE 'search_name_%'" -tA | grep -v search_name_blank`;
do
psql -d nominatim -c "DROP INDEX idx_${table}_centroid_place; CREATE INDEX idx_${table}_centroid_place ON ${table} USING gist (centroid) WHERE ((address_rank >= 2) AND (address_rank <= 25)); DROP INDEX idx_${table}_centroid_street; CREATE INDEX idx_${table}_centroid_street ON ${table} USING gist (centroid) WHERE ((address_rank >= 26) AND (address_rank <= 27))";
done
```
### Removal of html output
The debugging UI is no longer directly provided with Nominatim. Instead we