Collection.or()
Syntax
Parameters
indexOrPrimaryKey: String
Name of an index or primary key registered in Version.stores()
Return Value
WhereClause
Sample
Limitations
The sort order of the resulting collection will be undefined since the collection works on multiple indexes. To canonicalize the sort order, use the Collection.sortBy() method.
Implementation Details
This is implemented using parallel query execution and duplicate removals. For details, read this article