feat(db): add scalar extraction functions for SearchCriteria JSON

NEW/src/JdeScoping.Database/Scripts/045_CreateScalarExtractionFunctions.sql

@@ -0,0 +1,65 @@
+-- Migration: 045_CreateScalarExtractionFunctions
+-- Scalar functions to extract simple values from Search.Criteria JSON
+
+-- fn_GetSearchMinimumDt: Extract MinimumDt datetime
+IF OBJECT_ID('dbo.fn_GetSearchMinimumDt', 'FN') IS NOT NULL
+    DROP FUNCTION dbo.fn_GetSearchMinimumDt;
+GO
+
+CREATE FUNCTION dbo.fn_GetSearchMinimumDt(@SearchId INT)
+RETURNS DATETIME2(7)
+AS
+BEGIN
+    DECLARE @Result DATETIME2(7);
+
+    SELECT @Result = TRY_CONVERT(DATETIME2(7), JSON_VALUE(s.Criteria, '$.MinimumDt'))
+    FROM dbo.Search s
+    WHERE s.ID = @SearchId
+      AND s.Criteria IS NOT NULL
+      AND ISJSON(s.Criteria) = 1;
+
+    RETURN @Result;
+END
+GO
+
+-- fn_GetSearchMaximumDt: Extract MaximumDt datetime
+IF OBJECT_ID('dbo.fn_GetSearchMaximumDt', 'FN') IS NOT NULL
+    DROP FUNCTION dbo.fn_GetSearchMaximumDt;
+GO
+
+CREATE FUNCTION dbo.fn_GetSearchMaximumDt(@SearchId INT)
+RETURNS DATETIME2(7)
+AS
+BEGIN
+    DECLARE @Result DATETIME2(7);
+
+    SELECT @Result = TRY_CONVERT(DATETIME2(7), JSON_VALUE(s.Criteria, '$.MaximumDt'))
+    FROM dbo.Search s
+    WHERE s.ID = @SearchId
+      AND s.Criteria IS NOT NULL
+      AND ISJSON(s.Criteria) = 1;
+
+    RETURN @Result;
+END
+GO
+
+-- fn_GetSearchExtractMisData: Extract ExtractMisData boolean
+IF OBJECT_ID('dbo.fn_GetSearchExtractMisData', 'FN') IS NOT NULL
+    DROP FUNCTION dbo.fn_GetSearchExtractMisData;
+GO
+
+CREATE FUNCTION dbo.fn_GetSearchExtractMisData(@SearchId INT)
+RETURNS BIT
+AS
+BEGIN
+    DECLARE @Result BIT;
+
+    SELECT @Result = TRY_CONVERT(BIT, JSON_VALUE(s.Criteria, '$.ExtractMisData'))
+    FROM dbo.Search s
+    WHERE s.ID = @SearchId
+      AND s.Criteria IS NOT NULL
+      AND ISJSON(s.Criteria) = 1;
+
+    RETURN @Result;
+END
+GO