# Requirements
### Minimal versions
python 3.7
postgresql 11

### Database schema
includes GIN index column `geodata_search_idx`
```sql
ALTER TABLE geodata ADD COLUMN geodata_search_ts TSVECTOR
GENERATED ALWAYS AS (to_tsvector('russian', geodata.description) STORED
```
(use coalese() if multiple)
```sql
CREATE INDEX geodata_search_idx ON geodata USING GIN (geodata_search_ts);
```