SELECT T0.[ItemCode], T0.[ItemName], T0.[FrgnName]
FROM OITM T0
WHERE (T0.[ItemCode] LIKE '%%[%1]%%'
		OR '[%1]' = '')
	AND (T0.[ItemName] LIKE '%%[%2]%%'
		OR '[%2]' = '')
	AND (T0.[FrgnName] LIKE '%%[%3]%%'
		OR '[%3]' = '')

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