syncanysql 0.1.7

Simple and easy-to-use sql execution engine

Syncany-SQL

简单易用的SQL执行引擎。

• 可在本地运行MySQL语法结构的SQL
• 支持查询常用mysql、mongodb、postgresql、sqlserver、elasticsearch、influxdb、clickhouse、sqlite数据库及execl、csv、json和普通文本文件
• 支持本地临时数据表逻辑做中间结果保存
• 数据库数据加载使用简单条件过滤及IN条件查询
• 因由本地完成Join匹配所以支持不同库表、不同主机及不同类型数据库间Join关联查询
• Group By分组聚合计算及Order By排序也由本地执行，保证数据库安全性
• 数据写Insert Into支持 ”仅插入 I“、”存在更新否则插入 UI“、”存在更新否则插入其余删除 UDI“、”删除后插入 DI“四种模式
• 大数据量支持批次执行，有Group By或Having条件过滤自动执行Reduce合并结果
• 支持流式执行

---

• 安装
• 特性与限制
• 配置详解
• 驱动依赖
• 示例详解

安装

pip3 install syncanysql

Docker

docker pull sujin190/syncany-sql

查询Nginx日志

-- 查询访问量最高的三个IP
SELECT seg0 AS ip, COUNT(*) AS cnt FROM `file://data/access.log?sep= ` GROUP BY seg0 ORDER BY cnt DESC LIMIT 3;

查询JSON文件

SELECT
    a.site_id,
    b.name AS site_name,
    IF(c.site_amount > 0, c.site_amount, 0) AS site_amount,
    MAX(a.timeout_at) AS timeout_at,
    MAX(a.vip_timeout_at) AS vip_timeout_at,
    now() as `created_at?`
FROM
    (SELECT
        YIELD_ARRAY(sites) AS site_id,
            IF(vip_type = '2', GET_VALUE(rules, 0, 'timeout_time'), '') AS timeout_at,
            IF(vip_type = '1', GET_VALUE(rules, 0, 'timeout_time'), '') AS vip_timeout_at
    FROM
        `data/demo.json`
    WHERE
        start_date >= '2021-01-01') a
        JOIN
    `data/sites.json` b ON a.site_id = b.site_id
        JOIN
    (SELECT
        site_id, SUM(amount) AS site_amount
    FROM
        `data/orders.json`
    WHERE
        status <= 0
    GROUP BY site_id) c ON a.site_id = c.site_id
GROUP BY a.site_id;

Python API

from syncanysql import ScriptEngine

with ScriptEngine() as engine:
    engine.execute('''
        INSERT INTO `top_ips` SELECT
            ip, cnt
        FROM
            (SELECT
                seg0 AS ip, COUNT(*) AS cnt
            FROM
                `file:///var/log/nginx/access.log?sep= `
            GROUP BY seg0) a
        ORDER BY cnt DESC
        LIMIT 3;
    ''')
    print(engine.pop_memory_datas("top_ips"))

License

Syncany-SQL uses the MIT license, see LICENSE file for the details.