kvql - bahasa kueri mirip SQL untuk DB key-value

• Dapat melakukan pencarian, penyisipan, dan penghapusan dengan SELECT, PUT, DELETE

# Kueri sederhana, ambil semua pasangan key-value yang berisi prefiks key 'k'  
select * where key ^= 'k'  
  
# Proyeksi dan ekspresi kondisi kompleks   
select key, int(value) + 1 where key in ('k1', 'k2', 'k3') & is_int(value)  
  
# Kueri agregasi   
select count(1), sum(int(value)) as sum, substr(key, 0, 2) as kprefix where key between 'k' and 'l' group by kprefix order by sum desc  
  
# JSON   
select key, json(value)['x']['y'] where key ^= 'k' & int(json(value)['test']) >= 1  
select key, json(value)['list'][1] where key ^= 'k'  
  
# Memfilter berdasarkan nama field yang didefinisikan dalam pernyataan select   
select key, int(value) as f1 where f1 > 10  
select key, split(value) as f1 where 'a' in f1  
select key, value, l2_distance(list(1,2,3,4), json(value)) as l2_dis where key ^= 'embedding_json' & l2_dis > 0.6 order by l2_dis desc limit 5  
  
# Menambahkan data   
put ('k1', 'v1'), ('k2', upper('v' + key))  
  
# Menghapus data dengan filter dan membatasi jumlah baris yang dihapus   
delete where key ^= 'prefix' and value ~= '^val_' limit 10  
delete where key in ('k1', 'k2', 'k3')