FHIR search specification support
This document tracks the support for the FHIR search specification supported by the SDK (fhirEngine library) and common example use cases. It will be updated over time.
Search parameter types
The following table summarizes the support (released and planned) for search parameter types within the SDK:
| Support | Notes | |
|---|---|---|
| String | Yes | |
| Number | Yes | |
| Date | Yes | |
| DateTime | Yes | |
| Token | Partial | URI, code, boolean |
| Reference | Yes | See examples |
| Quantity | No | Planned |
| Special | In-progress | TBC |
| Composite | Yes | AND and OR are supported |
Search prefixes
https://www.hl7.org/fhir/search.html#prefix
| Support | Notes | |
|---|---|---|
| eq | Partial | Numerical and date values |
| ne | Partial | Numerical and date values |
| gt | Partial | Numerical and date values |
| lt | Partial | Numerical and date values |
| ge | Partial | Numerical and date values |
| le | Partial | Numerical and date values |
| sa | No | |
| eb | No | |
| ap | No |
Modifiers
https://www.hl7.org/fhir/search.html#modifiers
| Support | Notes | |
|---|---|---|
| :contains | Partial | String |
| :exact | Partial | String |
| :missing, :text, :in, :below, :above, :not-in | No |
Other:
- Search by meta-data - in-progress: https://github.com/google/android-fhir/issues/481