Method evaluate_case_expression

graphlite/src/exec/executor.rs:4811–4824

Evaluate a CASE expression

(
        &self,
        case_expr: &crate::ast::CaseExpression,
        context: &ExecutionContext,
    )

    /// Evaluate a CASE expression
    fn evaluate_case_expression(
        &self,
        case_expr: &crate::ast::CaseExpression,
        context: &ExecutionContext,
    ) -> Result<Value, ExecutionError> {
        use crate::ast::CaseType;

        match &case_expr.case_type {
            CaseType::Simple(simple_case) => self.evaluate_simple_case(simple_case, context),
            CaseType::Searched(searched_case) => {
                self.evaluate_searched_case(searched_case, context)
            }
        }
    }

    /// Evaluate a simple CASE expression (CASE expr WHEN value1 THEN result1 ...)
    fn evaluate_simple_case(