IF NOT EXISTS (SELECT 1 FROM SYSCOLUMNS WHERE ID = OBJECT_ID('EST_PROD_IMP_LIBERACAO_ALCADA_PENDENTE') AND name = 'TRANSF_COMERCIAL_FLUTUANTE')
begin
ALTER TABLE dbo.EST_PROD_IMP_LIBERACAO_ALCADA_PENDENTE ADD
	TRANSF_COMERCIAL_FLUTUANTE int NOT NULL CONSTRAINT DF_EST_PROD_IMP_LIBERACAO_ALCADA_PENDENTE_TRANSF_COMERCIAL_FLUTUANTE DEFAULT 0
end
