sqltool 0.4.1

功能强大的数据库迁移、同步、运维工具,支持自动分库分表、慢查询检测、数据对比、备份恢复,提供多语言SDK
Documentation
/// Redis 连接实现
use crate::databases::DatabaseConnection;
use crate::models::TableSchema;
use anyhow::Result;
use async_trait::async_trait;
use redis::Client;

/// Redis 连接结构
pub struct RedisConnection {
    client: Client,
}

impl RedisConnection {
    pub async fn new(connection_string: &str) -> Result<Self> {
        let client = Client::open(connection_string)?;
        Ok(Self { client })
    }
}

#[async_trait]
impl DatabaseConnection for RedisConnection {
    async fn get_table_schema(&self, _table_name: &str) -> Result<TableSchema> {
        Ok(TableSchema {
            name: _table_name.to_string(),
            fields: vec![],
            foreign_keys: vec![],
            indexes: vec![],
        })
    }

    async fn get_all_tables(&self) -> Result<Vec<String>> {
        Ok(vec![])
    }

    async fn execute(&self, _sql: &str) -> Result<()> {
        Ok(())
    }

    async fn query(&self, _sql: &str) -> Result<Vec<serde_json::Value>> {
        Ok(vec![])
    }

    async fn begin_transaction(&self) -> Result<()> {
        Ok(())
    }

    async fn commit_transaction(&self) -> Result<()> {
        Ok(())
    }

    async fn rollback_transaction(&self) -> Result<()> {
        Ok(())
    }
}

pub fn sql_to_redis_command(sql: &str) -> Result<Vec<String>> {
    let sql = sql.trim();
    let upper_sql = sql.to_uppercase();
    
    if upper_sql.starts_with("SELECT") {
        let parts: Vec<&str> = sql.split_whitespace().collect();
        if parts.len() >= 4 {
            let key = parts[3].trim_matches(|c| c == '`' || c == '\'' || c == '"');
            return Ok(vec![format!("GET {}", key)]);
        }
    } else if upper_sql.starts_with("INSERT") {
        return Ok(vec!["SET key value".to_string()]);
    } else if upper_sql.starts_with("DELETE") {
        return Ok(vec!["DEL key".to_string()]);
    }
    
    Err(anyhow::anyhow!("Unsupported SQL command for Redis"))
}