Important

Helios features are now enabled during weekly update windows and are no longer directly tied to SingleStore engine releases. Refer to the release notes to view the latest features available in your Helios cluster.

BIT_XOR

Syntax

Aggregate Function

SQL

BIT_XOR (<expr1>, <expr2>)

Window Function

BIT_XOR(col | expr) OVER (
    [PARTITION BY (col | expr), ...]
    [ORDER BY (col | expr), ...]

Arguments

expression: expressions must be integer data types.

Return Type

This will result in a one if two of the corresponding bits are different. If the bits are the same it will return a zero.

Examples

Aggregate Function

SQL

CREATE TABLE ba_numeric_sample (group_name varchar(10), ltr_val int);
INSERT INTO ba_numeric_sample VALUES
  ('alpha', 111), ('beta', 110), ('gamma', 000), ('delta', 001);

SQL

SELECT group_name, BIT_XOR(001) FROM ba_numeric_sample GROUP BY group_name;

+-------------------------+
|group_name | BIT_AND(001)|
+-------------------------+
|alpha      | 1           |
+-----------|-------------+
|beta       | 1           |
+-----------|-------------+
|delta      | 1           |
+-----------|-------------+
|gamma      | 1           |
+-----------+-------------+

Window Function

SQL

CREATE TABLE player_scores(player_name VARCHAR(50), player_id VARCHAR(10),
    1st_qtr_score DECIMAL(5,2), 2nd_qtr_score DECIMAL(5,2),
    3rd_qtr_score DECIMAL(5,2), 4th_qtr_score DECIMAL(5,2),
    yearly_total AS 1st_qtr_score + 2nd_qtr_score + 3rd_qtr_score + 4th_qtr_score PERSISTED DECIMAL(5,2));

INSERT INTO player_scores VALUES
    ('Steve', '119','22.50','72.00', '63.00', '45.00'),
    ('Jack', '432', '90.10', '78.00','88.20', '92.20'),
    ('Jim', '779','75.00', '68.90','55.70', '72.00'),
    ('Eve', '189','91.50', '88.10', '95.00', '94.50'),
    ('Shelia','338', '75.60', '72.00', '81.10', '78.40'),
    ('June', '521', '81.00', '87.30','76.80','82.20'),
    ('Martin', '674','98.80', '95.10', '88.00', '96.40')

SQL

SELECT player_name, 1st_qtr_score, 2nd_qtr_score,
bit_xor(3rd_qtr_score) OVER (ORDER BY 2nd_qtr_score)
FROM player_scores
ORDER BY player_name;

+-------------+---------------+---------------+-----------------------------+
| player_name | 1st_qtr_score | 2nd_qtr_score | BIT_XOR(3rd_qtr_score) OVER |
|             |               |               | (ORDER BY 2nd_qtr_score)    |
+-------------+---------------+---------------+-----------------------------+
| Eve         |         91.50 |         88.10 |                          28 |
| Jack        |         90.10 |         78.00 |                          14 |
| Jim         |         75.00 |         68.90 |                          56 |
| June        |         81.00 |         87.30 |                          67 |
| Martin      |         98.80 |         95.10 |                          68 |
| Shelia      |         75.60 |         72.00 |                          86 |
| Steve       |         22.50 |         72.00 |                          86 |
+-------------+---------------+---------------+-----------------------------+

BIT_XOR

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Syntax

Aggregate Function

Window Function

Arguments

Return Type

Examples

Aggregate Function

Window Function

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