Function relation_desc

src/clusterd-test-driver/src/script.rs:207–219

Build a [`RelationDesc`] from column specs.

(columns: &[ColumnSpec])

/// Build a [`RelationDesc`] from column specs.
fn relation_desc(columns: &[ColumnSpec]) -> anyhow::Result<RelationDesc> {
    let mut builder = RelationDesc::builder();
    for col in columns {
        builder = builder.with_column(
            col.name.as_str(),
            SqlColumnType {
                scalar_type: scalar_type_from_str(&col.ty)?,
                nullable: col.nullable,
            },
        );
    }
    Ok(builder.finish())
}

/// Strip surrounding double quotes from a token, if present.
fn unquote(s: &str) -> &str {