BITWISE_SHIFT_LEFT()
All functions > BITWISE > BITWISE_SHIFT_LEFT()
Returns the bitstring shifted left by N positions, filling with zeros on the right.
Signatures
Returns: Shifted bitstring, or NULL if either operand is NULL
BITWISE_SHIFT_LEFT(expr: BITSTRING, n: BIGINT) → BITSTRING sql
| Parameter | Type | Required | Description |
|---|---|---|---|
expr | BITSTRING | Yes | Input bitstring |
n | BIGINT | Yes | Number of bit positions to shift |
Notes
- Bits shifted beyond the left end are discarded
- New bits on the right are filled with zeros
- The length of the result is the same as the input
- Returns NULL if either input is NULL
Related operators
Examples
FeatureQL
SELECT
f1 := BITWISE_SHIFT_LEFT('1001011'::BITSTRING, 3)::VARCHAR -- Shift left by 3
;Result
| f1 VARCHAR |
|---|
| 1011000 |
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