15781: Adds documentation on 'contains' filter.

Arvados-DCO-1.1-Signed-off-by: Lucas Di Pentima <lucas@di-pentima.com.ar>

diff --git a/doc/api/methods.html.textile.liquid b/doc/api/methods.html.textile.liquid
index 175463c3253a36c73ff10bff6f62e3f97f261f3a..b10af8d6c7947861663d5d21cd78133e49429d21 100644 (file)
--- a/doc/api/methods.html.textile.liquid
+++ b/doc/api/methods.html.textile.liquid
@@ -130,6 +130,7 @@ table(table table-bordered table-condensed).
 |@like@, @ilike@|string|SQL pattern match, single character match is @_@ and wildcard is @%@, ilike is case-insensitive|@["properties.my_subproperty", "like", "d00220fb%"]@|
 |@in@, @not in@|array of strings|Set membership|@["properties.my_subproperty", "in", ["fizz", "buzz"]]@|
 |@exists@|boolean|Test if a subproperty is present or not (determined by operand).|@["properties.my_subproperty", "exists", true]@|
+|@contains@|string, number|Test if a value is present on a subproperty either by exact match or set membership.|@["properties.list_property","contains","some_value"]@|
 
 Note that exclusion filters @!=@ and @not in@ will return records for which the property is not defined at all.  To restrict filtering to records on which the subproperty is defined, combine with an @exists@ filter.