Allow MyXQL to decode array fields using :json
columns types in MariaDB.
#668
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This change allows to use
:json
type columns to store an arrays of elements in MariaDB-backed applications.For MySQL databases it was already working because that engine supports a
json
column type, but for MariaDB it is created aslongtext
because the engine does not properly support JSON.That difference avoided
ecto_sql
to be able to load those values from the database, causing an exception.Closes #667