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nullkey
4ed7b90eac
`metadata->'similar_questions'::text` parses as
`metadata -> ('similar_questions'::text)` because `::` binds tighter
than `->`, so the expression yields jsonb instead of text. ILIKE on
jsonb then fails with "operator does not exist: jsonb ~~* unknown",
returning 1007 Internal server error for `search_field=similar_questions`
and `search_field=answers`. The `standard_question` branch was unaffected
because it uses `->>` (text) directly.
Wrap the json access in parens so the cast applies to the extracted
value: `(metadata->'similar_questions')::text ILIKE ?`. The MySQL
branch uses JSON_EXTRACT and is unchanged.
Fixes #1264