The bitwise_and() Scalar Function : bitwise operators « Data Types « SQL Server / T-SQL Tutorial






  1. SQL Server / T-SQL Tutorial
  2. Data Types
  3. bitwise operators
3>
4> CREATE FUNCTION dbo.bitwise_and
5> (
6>   @arg1 varbinary(8),
7>   @arg2 varbinary(8)
8> ) RETURNS varbinary(8)
9> AS
10> BEGIN
11>   DECLARE
12>     @result   AS varbinary(8000),
13>     @numbytes AS int,
14>     @curpos   AS int
15>   SET @result   = 0x
16>   SET @numbytes = DATALENGTH(@arg2)
17>   SET @curpos   = 1
18>   WHILE @curpos <= @numbytes
19>   BEGIN
20>     SELECT
21>       @result = @result + CAST(SUBSTRING(@arg1, @curpos, 1) &
22>                                CAST(SUBSTRING(@arg2, @curpos, 1) AS tinyint)
23>                                AS binary(1))
24>     SET @curpos = @curpos + 1
25>   END
26>   RETURN @result
27> END
28> GO
1> GRANT EXECUTE ON dbo.bitwise_and TO public
2> GO
1>
2> SELECT dbo.bitwise_and(0x00000001000000010000000100000001,
3>                        0xffffffffffffffffffffffffffffffff)
4>
5> drop function dbo.bitwise_and
6> GO





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0x0000000100000001





(1 rows affected)
1>








5.3.bitwise operators
5.3.1.Selecting data using bitwise operators.
5.3.2.Testing numeric values with bitwise operators.
5.3.3.Bitwise NOT (~) Validity Table
5.3.4.Legal Bitwise Operation
5.3.5.Retrieving Index Properties by Using the Bitwise AND (&) Operator
5.3.6.Bitwise AND (&)
5.3.7.Bitwise OR (|)
5.3.8.Exclusive Or (^)
5.3.9.Bitwise NOT (~)
5.3.10.The bitwise_not() Scalar Function
5.3.11.The bitwise_and() Scalar Function
5.3.12.The bitwise_or() Scalar Function
5.3.13.The bitwise_xor() Scalar Function