user
39 lines
1.1 KiB
Transact-SQL
39 lines
1.1 KiB
Transact-SQL
USE [Database]
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IF OBJECT_ID('[Functions].[product_with_barcode_stock]') IS NOT NULL
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DROP FUNCTION [Functions].[product_with_barcode_stock];
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GO
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CREATE FUNCTION [Functions].[product_with_barcode_stock](
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@barcode AS BIGINT
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)
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RETURNS INT AS
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BEGIN
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DECLARE @product_inflow_sum AS INT;
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SET @product_inflow_sum = (
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SELECT ISNULL(SUM([count]), 0) AS [sum]
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FROM [Tables].[product_inflow_records]
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WHERE [barcode] = @barcode
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);
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DECLARE @result AS INT;
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WITH [counts] AS (
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SELECT [POR].[count] AS [outflow_count], [PWOR].[count] AS [write_off_count]
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FROM [Tables].[products] AS [P]
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LEFT OUTER JOIN [Tables].[product_outflow_records] AS [POR]
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ON [POR].[barcode] = [P].[barcode]
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LEFT OUTER JOIN [Tables].[product_write_off_records] AS [PWOR]
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ON [PWOR].[barcode] = [P].[barcode]
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GROUP BY
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GROUPING SETS
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(
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([POR].[count]),
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([PWOR].[count])
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)
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)
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SELECT @result = (
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@product_inflow_sum - ISNULL(SUM([outflow_count]), 0) - ISNULL(SUM([write_off_count]), 0)
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)
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FROM [counts];
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RETURN @result;
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END
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GO |