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This document introduces the basic syntax and examples of bitwise operation functions.
Function | Syntax | Description |
bit_count(x, bits) | Returns the number of ones in x in binary representation. | |
bitwise_and(x, y) | Returns the result of the bitwise AND operation on x and y in binary representation. | |
bitwise_not(x) | Inverts all bits of x in binary representation. | |
bitwise_or(x, y) | Returns the result of the bitwise OR operation on x and y in binary representation. | |
bitwise_xor(x, y) | Returns the result of the bitwise XOR operation on x and y in binary representation. |
bit_count
The
bit_count function is used to return the number of ones in x.Syntax
bit_count(x, bits)
Parameter description
Parameter | Description |
x | The parameter value is of the bigint type. |
bits | Number of bits, for example, 64 bits. |
Return value type
Bigint
Example
Compute the binary representation of the number 24 and return the number of ones in the binary number.
Query and analysis statement
* | SELECT bit_count(24, 64)
Query and analysis result
2
bitwise_and
The
bitwise_and function is used to return the result of the bitwise AND operation on x and y in binary representation.Syntax
bitwise_and(x, y)
Parameter description
Parameter | Description |
x | The parameter value is of the bigint type. |
y | The parameter value is of the bigint type. |
Return value type
Bigint
Example
Perform an AND operation on numbers 3 and 5 in binary form.
Query and analysis statement
* | SELECT bitwise_and(3, 5)
Query and analysis result
1
bitwise_not
The
bitwise_not function is used to invert all bits of x in binary representation.Syntax
bitwise_not(x)
Parameter description
Parameter | Description |
x | The parameter value is of the bigint type. |
Return value type
Bigint
Example
Invert all bits of the number 4 in binary form.
Query and analysis statement
* | SELECT bitwise_not(4)
Query and analysis result
-5
bitwise_or
The
bitwise_or function is used to return the result of the bitwise OR operation on x and y in binary representation.Syntax
bitwise_or(x, y)
Parameter description
Parameter | Description |
x | The parameter value is of the bigint type. |
y | The parameter value is of the bigint type. |
Return value type
Bigint
Example
Perform an OR operation on numbers 3 and 5 in binary representation.
Query and analysis statement
* | SELECT bitwise_or(3, 5)
Query and analysis result
7
bitwise_xor
The
bitwise_xor function is used to return the result of the bitwise XOR operation on x and y in binary representation.Syntax
bitwise_xor(x, y)
Parameter description
Parameter | Description |
x | The parameter value is of the bigint type. |
y | The parameter value is of the bigint type. |
Return value type
Bigint
Example
Perform an XOR operation on numbers 3 and 5 in binary representation.
Query and analysis statement
* | SELECT bitwise_xor(3, 5)
Query and analysis result
6
Yes
No
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