Map a normalized (uppercased, whitespace-stripped) SQL type to a JSON schema fragment.
Returns { schema, warning } so the caller can surface "unmapped type" notes via x-warning on the property.
{ schema, warning }
x-warning
Map a normalized (uppercased, whitespace-stripped) SQL type to a JSON schema fragment.
Returns
{ schema, warning }so the caller can surface "unmapped type" notes viax-warningon the property.