_filter
Last updated
Last updated
Aidbox offers the partial support of FHIR _filter API. However, we tend to use other search capabilities like AidboxQuery, SearchQuery, or Search resource for complex queries. They offer better expressiveness with SQL and better performance.
Operation | String | Number | Date | Token | Reference | Quantity |
---|---|---|---|---|---|---|
* token search is case sensitive
** number search doesn't support implicit precision
*** support only numbers, not system with code
Aidbox supports forward chained search parameters in _filter query and dot expressions.
You can compose logical expressions using parentheses
Aidbox requires to specify chain targets explicitly:
eq
+
+**
+
+*
n/a
+***
ne
-
+**
+
-
n/a
+***
co
+
-
-
n/a
n/a
n/a
sw
+
n/a
n/a
n/a
n/a
n/a
ew
+
n/a
n/a
n/a
n/a
n/a
gt/ge/lt/le
-
+
+
n/a
n/a
+***
po
n/a
n/a
-
n/a
n/a
n/a
ss
n/a
n/a
n/a
-
n/a
n/a
sb
n/a
n/a
n/a
-
n/a
n/a
in
n/a
n/a
n/a
-
n/a
n/a
re
n/a
n/a
n/a
n/a
-
n/a