Method decode

src/repr/src/optimize.rs:198–216

(v: &str)

    }

    fn decode(v: &str) -> Self {
        // Accept both the Rust spelling (`true`/`false`, what `encode` and
        // `CREATE CLUSTER ... FEATURES` produce) and the canonical system-var /
        // PostgreSQL spellings (`on`/`off`, ...). A cluster-coherent scoped
        // override may arrive as the var's canonical `on`/`off`.
        match v.trim().to_lowercase().as_str() {
            "t" | "true" | "on" | "1" | "y" | "yes" => true,
            "f" | "false" | "off" | "0" | "n" | "no" => false,
            // The writer only stores values that passed `canonicalize`, so this
            // arm is unreachable in practice. Log rather than panic anyway: a
            // stored bad value reaching the plan path would otherwise crash the
            // optimizer on every query for the affected cluster. Fall back to
            // `false`.
            other => {
                mz_ore::soft_panic_or_log!("invalid boolean optimizer feature override: {other:?}");
                false
            }
        }
    }
}

#[cfg(test)]