IF EXISTS (SELECT * FROM sys.columns where object_id = OBJECT_ID(N'[AKUZ].[T_CDA_SECTION_DOCINFO_POISONING]') and name = 'FirstAntiEpidemicMeasuresAndAdditionalInfo')
	UPDATE [AKUZ].T_CDA_SECTION_DOCINFO_POISONING SET [FirstAntiEpidemicMeasuresAndAdditionalInfo] = '' WHERE [FirstAntiEpidemicMeasuresAndAdditionalInfo] IS NULL
	ALTER TABLE [AKUZ].T_CDA_SECTION_DOCINFO_POISONING ALTER COLUMN [FirstAntiEpidemicMeasuresAndAdditionalInfo] varchar(max) NOT NULL
GO