Function mz_coord::coord::describe

pub fn describe<S: Append>(
    catalog: &Catalog<S>, 
    stmt: Statement<Raw>, 
    param_types: &[Option<ScalarType>], 
    session: &Session
) -> Result<StatementDesc, CoordError>

Creates a description of the statement stmt.

This function is identical to sql::plan::describe except this is also supports describing FETCH statements which need access to bound portals through the session.