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@@ -48,7 +48,7 @@ function M.search_promotion_audit_suggestions(msg_body)
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local material_type_param = ""
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if msg_body.material_type~="" then
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- material_type_param = " AND material_type = "..msg_body.material_type
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+ material_type_param = string.format( " AND material_type = '%s' ",msg_body.material_type)
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end
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local material_item_param = ""
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