BIT_SHIFT_RIGHT
All functions > BITWISE > BIT_SHIFT_RIGHT
Returns the bitstring shifted right by N positions, filling with zeros on the left.
Signatures
Returns: Bitstring shifted right by N positions
BIT_SHIFT_RIGHT(bitstring: BITSTRING, n: BIGINT) → BITSTRING sql
| Parameter | Type | Required | Description |
|---|---|---|---|
bitstring | BITSTRING | Yes | Bitstring to shift |
n | BIGINT | Yes | Number of positions to shift right |
Notes
- Bits shifted beyond the right end are discarded
- New bits on the left are filled with zeros
- The length of the result is the same as the input
- Returns NULL if either input is NULL
Examples
FeatureQL
SELECT
f1 := BIT_SHIFT_RIGHT('1001011'::BITSTRING, 3)::VARCHAR, -- Shift right by 3
f2 := BIT_SHIFT_RIGHT('1000'::BITSTRING, 2)::VARCHAR, -- Shift right by 2
f3 := BIT_SHIFT_RIGHT('0001'::BITSTRING, 1)::VARCHAR -- Low bit shifted out
;Result
| f1 VARCHAR | f2 VARCHAR | f3 VARCHAR |
|---|---|---|
| 0001001 | 0010 | 0000 |
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