Index One Column Not Working

Couchbase Server
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1

CREATE INDEX Siparisler ON Test2(cariHesapKodu,tarih DESC) WHERE (fisNo is not null)

Index create success.

Query works with cariHesapKodu index use but tarih column not use.

use index
Explain Select * From Test2 Where fisNo IS NOT NULL AND cariHesapKodu="" ORDER BY tarih DESC LIMIT 20 OFFSET 0

Not use index
Explain Select * From Test2 Where fisNo IS NOT NULL AND cariHesapKodu="" AND tarih >=“2010-01-01T00:00:00” ORDER BY tarih DESC LIMIT 20 OFFSET 0

2

The DESC keyword in CREATE INDEX is a placeholder. It is currently not supported.