vibesql_ast/
operators.rs

1//! Operator enums for SQL expressions
2
3/// Binary operators for SQL expressions
4#[derive(Debug, Clone, Copy, PartialEq, Eq)]
5pub enum BinaryOperator {
6    // Arithmetic
7    Plus,
8    Minus,
9    Multiply,
10    Divide,
11    IntegerDivide, // DIV (MySQL-specific integer division)
12    Modulo,
13
14    // Comparison
15    Equal,
16    NotEqual,
17    LessThan,
18    LessThanOrEqual,
19    GreaterThan,
20    GreaterThanOrEqual,
21
22    // Logical
23    And,
24    Or,
25
26    // String
27    Concat, /* || */
28
29    // Bitwise
30    BitwiseAnd, // &
31    BitwiseOr,  // |
32    LeftShift,  // <<
33    RightShift, // >>
34
35    // Vector distance operators (pgvector compatible)
36    CosineDistance,       // <-> (1 - cosine_similarity)
37    NegativeInnerProduct, // <#> (negative dot product for MIPS)
38    L2Distance,           // <=> (Euclidean distance)
39
40    // JSON operators (SQLite/PostgreSQL compatible)
41    JsonExtract,     // -> (extract JSON value)
42    JsonExtractText, // ->> (extract as text)
43
44                          /* Note: LIKE and IN are not simple binary operators. They are
45                           * implemented as Expression variants in
46                           * expression.rs due to their complex structure:
47                           * - LIKE: Pattern matching with wildcards (%, _)
48                           * - IN: Subquery or value list support */
49}
50
51impl BinaryOperator {
52    /// Returns true if this operator is represented as a word (AND, OR, DIV)
53    /// rather than a symbol (+, -, <, etc.)
54    ///
55    /// Word operators require spaces around them in SQL, while symbolic
56    /// operators do not (though spaces are optional).
57    pub fn is_word_operator(&self) -> bool {
58        matches!(self, BinaryOperator::And | BinaryOperator::Or | BinaryOperator::IntegerDivide)
59    }
60}
61
62/// Unary operators for SQL expressions
63#[derive(Debug, Clone, Copy, PartialEq, Eq)]
64pub enum UnaryOperator {
65    Not,        // NOT
66    Minus,      // - (negation)
67    Plus,       // + (unary plus)
68    BitwiseNot, // ~ (bitwise NOT)
69    IsNull,     // IS NULL
70    IsNotNull,  // IS NOT NULL
71}
vibesql_ast/operators.rs

vibesql_ast/
operators.rs
