alopex_sql/ast/
expr.rs

1use super::span::{Span, Spanned};
2use serde::{Deserialize, Serialize};
3
4#[derive(Debug, Clone, Serialize, Deserialize)]
5pub struct Expr {
6    pub kind: ExprKind,
7    pub span: Span,
8}
9
10impl Expr {
11    pub fn new(kind: ExprKind, span: Span) -> Self {
12        Self { kind, span }
13    }
14}
15
16impl Spanned for Expr {
17    fn span(&self) -> Span {
18        self.span
19    }
20}
21
22#[derive(Debug, Clone, Serialize, Deserialize)]
23#[serde(tag = "variant")]
24#[allow(clippy::large_enum_variant)]
25pub enum ExprKind {
26    Literal {
27        literal: Literal,
28    },
29    ColumnRef {
30        table: Option<String>,
31        column: String,
32    },
33    BinaryOp {
34        left: Box<Expr>,
35        op: BinaryOp,
36        right: Box<Expr>,
37    },
38    UnaryOp {
39        op: UnaryOp,
40        operand: Box<Expr>,
41    },
42    FunctionCall {
43        name: String,
44        args: Vec<Expr>,
45        distinct: bool,
46        star: bool,
47    },
48    Between {
49        expr: Box<Expr>,
50        low: Box<Expr>,
51        high: Box<Expr>,
52        negated: bool,
53    },
54    Like {
55        expr: Box<Expr>,
56        pattern: Box<Expr>,
57        escape: Option<Box<Expr>>,
58        negated: bool,
59    },
60    InList {
61        expr: Box<Expr>,
62        list: Vec<Expr>,
63        negated: bool,
64    },
65    IsNull {
66        expr: Box<Expr>,
67        negated: bool,
68    },
69    VectorLiteral {
70        values: Vec<f64>,
71    },
72    ScalarSubquery {
73        subquery: Box<super::Statement>,
74    },
75    InSubquery {
76        expr: Box<Expr>,
77        subquery: Box<super::Statement>,
78        negated: bool,
79    },
80    Exists {
81        subquery: Box<super::Statement>,
82        negated: bool,
83    },
84    Quantified {
85        expr: Box<Expr>,
86        op: BinaryOp,
87        quantifier: Quantifier,
88        subquery: Box<super::Statement>,
89    },
90}
91
92#[derive(Debug, Clone, Serialize, Deserialize)]
93#[serde(tag = "variant", content = "value")]
94pub enum Literal {
95    Number(String),
96    String(String),
97    Boolean(bool),
98    Null,
99}
100
101#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
102pub enum BinaryOp {
103    Add,
104    Sub,
105    Mul,
106    Div,
107    Mod,
108    Eq,
109    Neq,
110    Lt,
111    Gt,
112    LtEq,
113    GtEq,
114    And,
115    Or,
116    StringConcat,
117}
118
119#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
120pub enum UnaryOp {
121    Not,
122    Minus,
123}
124
125#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
126pub enum Quantifier {
127    Any,
128    All,
129}
alopex_sql/ast/expr.rs

alopex_sql/ast/
expr.rs
