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BenSchZA/filter_association.ex

Last active August 17, 2020 08:46
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Filter by has_many association
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filter_association.ex
from(record in Domain.DHR.DeviceHistoryRecord,
left_join: failures in assoc(record, :failures), on: failures.device_history_record_id == entry.id,
where: ilike(failures.type, ^"%#{query}%"),
distinct: entry.id
)
@BenSchZA
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I'd like to query all DeviceHistoryRecords that have a failure of the given type. failures has a has_many/belongs_to relationship with the DeviceHistoryRecord.

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