[5.2] Consider implicit attributes while guessing column names in exists & unique #12961
+32
−2
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As mentioned here #12947.
This PR handles implicit attributes to guess the column name for the
unique
andexists
validation rules, the result will be like:users.1.email
=>email
1.username
=>username
emails.1
=>emails.1
(unable to guess the name)email
=>email
(as usual)