Ash.Filter.parse

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Link to this function

parse(resource, statement, aggregates \\ %{}, calculations \\ %{}, context \\ %{})

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Parses a filter statement

See the module documentation for more information on the supported formats for filter statements.

Important

If you are trying to validate a filter supplied from an external/untrusted source, be sure to use parse_input/2 instead! The only difference is that it only accepts filters over public attributes/relationships.

Aggregates and calculations

Since custom aggregates/calculations can be added to a query, and they must be explicitly loaded into a query, the filter parser does not parse them by default. If you wish to support parsing filters over aggregates/calculations, provide them as the third argument. The best way to do this is to build a query with them added/loaded, and then use the aggregates and calculations keys on the query.

NOTE

A change was made recently that will automatically load any aggregates/calculations that are used in a filter, but if you are using this function you still need to pass them in.

Ash.Filter.parse(MyResource, [id: 1], query.aggregates, query.calculations)