ALTER TABLE [dbo].[mom_eam_equipment_report_repair] DROP CONSTRAINT [DF__mom_eam_e__err_u__00AD44A9]
    GO

ALTER TABLE [dbo].[mom_eam_equipment_report_repair] ALTER COLUMN [err_uda5] text NULL
    GO

    IF ((SELECT COUNT(*) FROM ::fn_listextendedproperty('MS_Description',
    'SCHEMA', N'dbo',
    'TABLE', N'mom_eam_equipment_report_repair',
    'COLUMN', N'err_uda5')) > 0)
    EXEC sp_updateextendedproperty
    'MS_Description', N'验收意见',
    'SCHEMA', N'dbo',
    'TABLE', N'mom_eam_equipment_report_repair',
    'COLUMN', N'err_uda5'
    ELSE
    EXEC sp_addextendedproperty
    'MS_Description', N'验收意见',
    'SCHEMA', N'dbo',
    'TABLE', N'mom_eam_equipment_report_repair',
    'COLUMN', N'err_uda5'