1
你好,我需要通过应用inner join
提取公共数据,这是在@sql
变量的每个循环中获得的。我想对@sql
第一个循环获得的结果应用inner join
到第二个等。多个动态选择语句的内部连接
例如我已经设置值:
[email protected]@[email protected]#maal#saal,[email protected]@6nn#mm
上Attributes
variable`so它运行两次,则可以运行多次。每个获得的结果都应该是内部连接的,最终结果应该是存储其他表。
DECLARE @Attributes NVARCHAR(4000)
SET @Attributes = '[email protected]@[email protected]#maal#saal,[email protected]@6nn#mm'
DECLARE @ItemAttributes NVARCHAR(4000)
DECLARE @tblAttributes TABLE (
RowNum INT identity(1, 1)
,Attribute NVARCHAR(1000)
)
INSERT INTO @tblAttributes (Attribute)
SELECT RTRIM(LTRIM(items))
FROM split(@Attributes, ',')
DECLARE @Counter INT
,@RowCount INT
DECLARE @sql NVARCHAR(2000)
SELECT @RowCount = count(RowNum)
FROM @tblAttributes
SET @Counter = 1
WHILE (
@Counter <= @RowCount
OR @Counter = 1
)
BEGIN
SELECT @ItemAttributes = Attribute
FROM @tblAttributes
WHERE RowNum = @Counter
DECLARE @tblAttr TABLE (
RowNum INT identity(1, 1)
,Attr NVARCHAR(1000)
)
INSERT INTO @tblAttr (Attr)
SELECT RTRIM(LTRIM(items))
FROM split(@ItemAttributes, '@')
DECLARE @AttributeID INT
DECLARE @InputTypeID INT
DECLARE @ValidationTypeID INT
DECLARE @AttributeValue NVARCHAR(4000)
SELECT @AttributeID = Attr
FROM @tblAttr
WHERE RowNum = 1
SELECT @InputTypeID = Attr
FROM @tblAttr
WHERE RowNum = 2
SELECT @ValidationTypeID = Attr
FROM @tblAttr
WHERE RowNum = 3
SELECT @AttributeValue = Attr
FROM @tblAttr
WHERE RowNum = 4
IF (@InputTypeID = 1)
BEGIN
IF (@ValidationTypeID = 3)
BEGIN
SELECT @sql = 'SELECT DISTINCT(ItemID) FROM dbo.Aspx_ItemAttributesValue_Decimal
WHERE AttributeValue IN(' + @AttributeValue + ') AND AttributeID [email protected] AND (IsDeleted=0 OR IsDeleted IS NULL)'
END
ELSE
IF (@ValidationTypeID = 5)
BEGIN
SELECT @sql = 'SELECT DISTINCT(ItemID) FROM dbo.Aspx_ItemAttributesValue_Int
WHERE AttributeValue IN(' + @AttributeValue + ') AND AttributeID [email protected] AND (IsDeleted=0 OR IsDeleted IS NULL)'
END
ELSE
BEGIN
SELECT @sql = 'SELECT DISTINCT(ItemID) FROM dbo.Aspx_ItemAttributesValue_Nvarchar
WHERE AttributeValue IN(' + @AttributeValue + ') AND AttributeID [email protected] AND (IsDeleted=0 OR IsDeleted IS NULL)'
END
END
IF (
@InputTypeID = 5
OR @InputTypeID = 6
OR @InputTypeID = 9
OR @InputTypeID = 10
OR @InputTypeID = 11
OR @InputTypeID = 12
)
BEGIN
SELECT @sql = 'SELECT DISTINCT(ItemID) FROM dbo.Aspx_ItemAttributesValue_Options
WHERE AttributeValue IN(' + @AttributeValue + ') AND AttributeID [email protected] AND (IsDeleted=0 OR IsDeleted IS NULL)'
END
IF (@InputTypeID = 7)
BEGIN
SELECT @sql = 'SELECT DISTINCT(ItemID) FROM dbo.Aspx_ItemAttributesValue_Decimal
WHERE AttributeValue IN(' + @AttributeValue + ') AND AttributeID [email protected] AND (IsDeleted=0 OR IsDeleted IS NULL)'
END
SET @Counter = @Counter + 1
END
SELECT DISTINCT(条目标识号)FROM dbo.Aspx_ItemAttributesValue_Options WHERE的AttributeValue IN( '棉花')AND属性Id = 5 AND ISNULL(请将isDeleted,0)= 0 INNER JOIN SELECT DISTINCT(ItemID)FROM dbo.Aspx_ItemAttributesValue_Options WHERE AttributeValue IN('Man')AND AttributeID = 6 AND ISNULL(IsDeleted,0)= 0.上面的代码只返回两个select语句,问题是我该如何加入动态选择语句。 –
最后感谢我的解决方案...! –