[英]SQL Stored Procedure adding to statement
問題:
我想將一個值@Test傳遞到存儲過程中,我知道當@Test是某些值時,一切都很好。 但是我想在一個@Test值下過濾表/ Gridview中的幾個值。
即用戶搜索“紅色”,我想顯示“紅色”,“粉紅色”等...
我敢肯定一定有很多例子,但我已經搜索但沒有找到它們。 我已經嘗試過BEGIN和IF語句。
如果.net,我會添加一個If @Text ='Pink'然后sql = sql&...語句...
到目前為止,我有...
SELECT * FROM TblColours
WHERE
Room LIKE '%' + @sRoom + '%'
or Colours LIKE '%' + @sColours + '%'
IF @sColours = 'Pink'
or Colours = 'Red'
or Colours = 'Shade of Pink'
END
我同意安德魯(Andrew)的觀點,將顏色及其分組存儲在單獨的表中會容易得多-看起來可能類似於以下內容(使用了兩個新表,即#Colours和#Colourgroups)。
-- SETUP TABLES AND VALUES
----------------------------------------------------------------------------------------------
IF OBJECT_ID('tempdb.dbo.#Colours') IS NOT NULL DROP TABLE #Colours
IF OBJECT_ID('tempdb.dbo.#TblColours') IS NOT NULL DROP TABLE #TblColours
IF OBJECT_ID('tempdb..#ColourGroups') IS NOT NULL DROP TABLE #ColourGroups
CREATE TABLE #Colours
( Id INT NOT NULL PRIMARY KEY CLUSTERED
,GroupId INT NOT NULL
,Name VARCHAR(50) NOT NULL)
CREATE TABLE #ColourGroups
( Id INT NOT NULL PRIMARY KEY CLUSTERED
,Name VARCHAR(50) NOT NULL)
CREATE TABLE #TblColours
( Room VARCHAR(50) NOT NULL
,ColourId INT NOT NULL)
INSERT #Colours
SELECT * FROM
(SELECT 1 AS Id, 1 AS GroupId, 'Red' AS Name UNION
SELECT 2 AS Id, 2 AS GroupId, 'Orange' AS Name UNION
SELECT 3 AS Id, 3 AS GroupId, 'Yellow' AS Name UNION
SELECT 4 AS Id, 1 AS GroupId, 'Pink' AS Name UNION
SELECT 5 AS Id, 1 AS GroupId, 'Scarlet' AS Name UNION
SELECT 6 AS Id, 1 AS GroupId, 'Rose' AS Name) AS SomeRandomColours
ORDER BY Id
INSERT #ColourGroups
SELECT * FROM
(SELECT 1 AS Id, 'Red' AS Name UNION
SELECT 2 AS Id, 'Orange' AS Name UNION
SELECT 3 AS Id, 'Yellow' AS Name) AS SomePossibleGroups
ORDER BY Id
INSERT #TblColours Values ('Gail''s Bedroom', 6)
INSERT #TblColours Values ('The Horrid Bathroom', 2)
INSERT #TblColours Values ('The Main DrawingRoom', 5)
INSERT #TblColours Values ('Paul and Barbara''s Bedroom', 4)
INSERT #TblColours Values ('Paul''s Study', 1)
----------------------------------------------------------------------------------------------
-- Include Derived colour working back from the group if you want to find all the colours in
-- the same group as your search.
DECLARE
@sRoom VARCHAR(50) = 'Barbara'
,@sColours VARCHAR(50) = 'Pink'
SELECT DISTINCT
Room.Room
,Colour.Name
FROM #TblColours AS Room
INNER JOIN #Colours AS Colour ON Room.ColourId = Colour.Id
INNER JOIN #ColourGroups AS ColourGroup ON Colour.GroupId = ColourGroup.Id
INNER JOIN #Colours AS DerivedColour ON ColourGroup.Id = DerivedColour.GroupId
WHERE
Room LIKE '%' + @sRoom + '%'
OR Colour.Name = @sColours
OR ColourGroup.Name = @sColours
OR DerivedColour.Name = @sColours
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