rrdb 0.0.2

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use crate::ast::{dml::expressions::subquery::SubqueryExpression, types::TableName};

use serde::{Deserialize, Serialize};

#[derive(Deserialize, Serialize, Clone, Debug, PartialEq)]
pub struct FromClause {
    pub from: FromTarget,
    pub alias: Option<String>,
}

impl FromClause {}

#[derive(Deserialize, Serialize, Clone, Debug, PartialEq)]
pub enum FromTarget {
    Table(TableName),             // 일반 테이블 참조
    Subquery(SubqueryExpression), // 서브쿼리 참조
}

impl FromTarget {}