-- =====================================================================
-- 安全巡检记录表：增加 巡检人ID、签收人ID
-- 说明：巡检人名称(PatrolMan)、签收人名称(Receiver)列已存在，忽略。
--       本次仅补齐 巡检人ID(PatrolManId)、签收人ID(ReceiverId)。
-- 幂等：若列已存在则跳过（存在忽略，不存在则加入），可重复执行。
-- =====================================================================

-- 巡检人ID
IF NOT EXISTS (
    SELECT 1 FROM sys.columns
    WHERE object_id = OBJECT_ID(N'[dbo].[HSSE_SafetyPatrol]') AND name = N'PatrolManId'
)
BEGIN
    ALTER TABLE [dbo].[HSSE_SafetyPatrol] ADD [PatrolManId] nvarchar(50) COLLATE Chinese_PRC_CI_AS NULL;
END
GO

-- 签收人ID
IF NOT EXISTS (
    SELECT 1 FROM sys.columns
    WHERE object_id = OBJECT_ID(N'[dbo].[HSSE_SafetyPatrol]') AND name = N'ReceiverId'
)
BEGIN
    ALTER TABLE [dbo].[HSSE_SafetyPatrol] ADD [ReceiverId] nvarchar(50) COLLATE Chinese_PRC_CI_AS NULL;
END
GO

-- 巡检人ID 中文注释（幂等：注释不存在才添加）
IF NOT EXISTS (
    SELECT 1 FROM sys.extended_properties
    WHERE major_id = OBJECT_ID(N'[dbo].[HSSE_SafetyPatrol]')
      AND minor_id = COLUMNPROPERTY(OBJECT_ID(N'[dbo].[HSSE_SafetyPatrol]'), N'PatrolManId', 'ColumnId')
      AND name = N'MS_Description'
)
    EXEC sp_addextendedproperty
    'MS_Description', N'巡检人ID',
    'SCHEMA', N'dbo',
    'TABLE', N'HSSE_SafetyPatrol',
    'COLUMN', N'PatrolManId';
GO

-- 签收人ID 中文注释（幂等：注释不存在才添加）
IF NOT EXISTS (
    SELECT 1 FROM sys.extended_properties
    WHERE major_id = OBJECT_ID(N'[dbo].[HSSE_SafetyPatrol]')
      AND minor_id = COLUMNPROPERTY(OBJECT_ID(N'[dbo].[HSSE_SafetyPatrol]'), N'ReceiverId', 'ColumnId')
      AND name = N'MS_Description'
)
    EXEC sp_addextendedproperty
    'MS_Description', N'签收人ID',
    'SCHEMA', N'dbo',
    'TABLE', N'HSSE_SafetyPatrol',
    'COLUMN', N'ReceiverId';
GO