Function binary_op_precedence

src/sql-parser/src/ast/defs/expr.rs:705–715

The precedence of a binary operator, mirroring `Parser::get_next_precedence`. A namespaced `OPERATOR(...)` binds at `OTHER`, like the parser.

(op: &Op)

/// The precedence of a binary operator, mirroring `Parser::get_next_precedence`.
/// A namespaced `OPERATOR(...)` binds at `OTHER`, like the parser.
fn binary_op_precedence(op: &Op) -> u8 {
    if op.namespace.is_some() {
        return prec::OTHER;
    }
    match op.op.as_str() {
        "=" | "<" | "<=" | "<>" | "!=" | ">" | ">=" => prec::CMP,
        "+" | "-" => prec::PLUS_MINUS,
        "*" | "/" | "%" => prec::MULTIPLY_DIVIDE,
        _ => prec::OTHER,
    }
}

/// The precedence at which a prefix operator (`Op` with no second operand)
/// parses its operand, mirroring `Parser::parse_prefix`: `-`/`+` at