HK$565 per month
Matches entities across versions by identity (name + type + scope)
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ON products USING GIN ((data-'tags')) - extracts value by 'tags' key as JSON(B) and uses GIN to index it, since it is a composite type; it allows using various containment and existence operators for this particular part of the JSON document
Reminders that don't shame you, just bring people back to mind.