Convert JSON array in MySQL to rows

Question

UPDATE: This is now possible in MySQL 8 via the JSON_TABLE function: https://dev.mysql.com/doc/refman/8.0/en/json-table-functions.html

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Answer 1

simple example:

select subtotal, sku
from t1,
     json_table(t1.refund_line_items,
                '$[*]' columns (
                    subtotal double path '$.subtotal',
                    sku char(50) path '$.line_item.sku'
                    )
         ) refunds