CREATE OR ALTER PROCEDURE [dbo].[Sp_HazardFactor_Statistics]     
	@year NVARCHAR(20)=NULL,  
	@month NVARCHAR(20)=NULL,
	@unitId NVARCHAR(200)=NULL,
	@projectId NVARCHAR(200)=NULL
AS  
BEGIN
	SET NOCOUNT ON;
	WITH CTE AS (
		SELECT 
			ROW_NUMBER() OVER (
				PARTITION BY tba.Year,tba.Month,tba.WorkPlace,tba.JobStep,tba.Hazard,tba.Consequence,tba.Illegality,
				tba.BaseRiskSeverity,tba.BaseRiskProbability,tba.BaseRiskScore,tba.BaseRiskLevel,tba.BaseRiskAcceptabity,
				tba.NetRiskControlMeasures,tba.NetRiskSeverity,tba.NetRiskProbability,tba.NetRiskScore,tba.NetRiskLevel,
				tba.NetRiskAcceptabity,tba.AdditionalControlMeasures 
				ORDER BY CompileDate desc
			) as rn,
			--tbb.ProjectName,
			tba.BaseRiskLevel 
		FROM HazardFactor_Safety AS tba WITH(NOLOCK) 
		--LEFT JOIN Base_Project AS tbb WITH(NOLOCK) ON tbb.ProjectId = tba.ProjectId 
		WHERE 1=1 
			AND tba.State = 1 
			AND tba.Year = @year 
			AND tba.Month = @month 
			--单位条件：@unitId为空查所有，有值则过滤单位
			AND (@unitId IS NULL OR @unitId = '' OR tba.UnitId = @unitId)
			--项目条件：为空不过滤
			AND (@projectId IS NULL OR @projectId = '' OR tba.ProjectId = @projectId)
	) 
	SELECT BaseRiskLevel AS Title,COUNT(1) AS Num
	FROM CTE 
	WHERE rn = 1
	GROUP BY BaseRiskLevel
END