Method is_system

src/sql/src/names.rs:404–409

(&self)

    const TEMPORARY_SCHEMA_ID: u64 = 0;

    pub fn is_system(&self) -> bool {
        match self {
            SchemaSpecifier::Temporary => false,
            SchemaSpecifier::Id(id) => id.is_system(),
        }
    }

    pub fn is_user(&self) -> bool {
        match self {