dimgigov
e1bae0c7a0
- Add docs/ folder with English (en/) and Bulgarian (bg/) documentation - Create index.md with language switching and links - English docs: installation, quickstart, architecture, baraql, storage, schema, lsm, btree, vector, graph, fts, columnar, transactions, distributed, protocol, udf, api-binary, api-http, api-websocket - Bulgarian docs: installation, quickstart, architecture, baraql, schema, lsm, btree, vector, graph, fts, transactions, distributed - Update README license to BSD 3-Clause - Add LICENSE file with BSD 3-Clause text
1.7 KiB
1.7 KiB
BaraQL - Референция на Езика
BaraQL е SQL-съвместим език за заявки с разширения за графи, вектори и документи.
Основни Заявки
SELECT
SELECT name, age FROM users WHERE age > 18 ORDER BY name LIMIT 10;
INSERT
INSERT users { name := 'Alice', age := 30 };
UPDATE
UPDATE users SET age = 31 WHERE name = 'Alice';
DELETE
DELETE FROM users WHERE name = 'Bob';
Агрегати и Групиране
SELECT department, count(*), avg(salary)
FROM employees
GROUP BY department
HAVING count(*) > 5;
JOINs
-- INNER JOIN
SELECT u.name, o.total
FROM users u
INNER JOIN orders o ON u.id = o.user_id;
-- LEFT JOIN
SELECT u.name, o.total
FROM users u
LEFT JOIN orders o ON u.id = o.user_id;
CTEs (Common Table Expressions)
WITH active_users AS (
SELECT * FROM users WHERE active = true
)
SELECT * FROM active_users;
CASE Изрази
SELECT name,
CASE
WHEN age < 18 THEN 'minor'
WHEN age < 65 THEN 'adult'
ELSE 'senior'
END AS category
FROM users;
Схема
CREATE TYPE Person {
name: str,
age: int32
};
Векторно Търсене
INSERT articles {
title := 'Nim Programming',
embedding := [0.1, 0.2, 0.3, ...]
};
SELECT title FROM articles
ORDER BY cosine_distance(embedding, [0.1, 0.2, 0.3, ...])
LIMIT 5;
Графични Шаблони
MATCH (p:Person)-[:KNOWS]->(friend:Person)
WHERE p.name = 'Alice'
RETURN friend.name;
Пълнотекстово Търсене
SELECT * FROM articles
WHERE MATCH(title, body) AGAINST('database programming');