Inhaltsverzeichnis
2.1 Osnove OData
OData1) (Open Data Protocol) je REST2) temeljen standard za upite podataka, razvijen od strane OASIS-a3).
Zašto OData?
OData verzija
Data Gateway podržava OData v4.016).
Service Document
GET /odata/demo
Navodi sve dostupne Entity Setove (tablice/View-ove).
Metapodaci
GET /odata/demo/$metadata
Vraća shemu u EDMX7) formatu.
Upit Entity Seta
GET /odata/demo/Customers GET /odata/demo/Customers?$top=10 GET /odata/demo/Customers?$filter=Country eq 'Germany'
Opcije upita
| Opcija | Opis | Primjer |
|---|---|---|
| $filter | Filtrira rezultate | $filter=Price gt 100 |
| $select | Odabire stupce | $select=Name,Price |
| $orderby | Sortira rezultate | $orderby=Name desc |
| $top | Ograničava broj | $top=10 |
| $skip | Preskače zapise | $skip=20 |
| $count | Broji rezultate | $count=true |
| $expand | Učitava relacije | $expand=Orders |
Nastavak
- Sintaksa filtera za složene upite
- Straničenje za velike količine podataka
Izvori
1)
OData - Open Data Protocol: https://www.odata.org/
2)
Representational State Transfer: https://de.wikipedia.org/wiki/Representational_State_Transfer
3)
OASIS Open: https://www.oasis-open.org/
4)
OData Query Options: https://docs.oasis-open.org/odata/odata/v4.01/odata-v4.01-part2-url-conventions.html
5)
Common Schema Definition Language: https://docs.oasis-open.org/odata/odata-csdl-json/v4.01/odata-csdl-json-v4.01.html
6)
OData Version 4.01 Specification: https://docs.oasis-open.org/odata/odata/v4.01/odata-v4.01-part1-protocol.html
7)
Entity Data Model XML: https://docs.oasis-open.org/odata/odata-csdl-xml/v4.01/odata-csdl-xml-v4.01.html
Zuletzt geändert: 29.01.2026. u 23:32
