pub fn bytes_estimate(&self) -> usize {
        self.columns.len() * std::mem::size_of::<Option<BatchColumn>>() +
        self.columns.iter()
            .map(|bc| bc.as_ref().map(|b| b.bytes_estimate()).unwrap_or(0))
            .sum::<usize>()
    }
/// Estimate of total bytes used by this batch
Estimate of total bytes used by this batch
Estimate of total bytes used by this batch
pub fn bytes_estimate(&self) -> usize {
        self.columns.len() * std::mem::size_of::<Option<BatchColumn>>() +
        self.columns.iter()
            .map(|bc| bc.as_ref().map(|b| b.bytes_estimate()).unwrap_or(0))
            .sum::<usize>()
    }
pub fn bytes_estimate ( & self ) -> usize { self . columns . len ( ) * std :: mem :: size_of :: < Option < BatchColumn > > ( ) + self . columns . iter ( ) . map ( | bc | bc . as_ref ( ) . map ( | b | b . bytes_estimate ( ) ) . unwrap_or ( 0 ) ) . sum :: < usize > ( ) }
Estimate of total bytes used by this batch
Estimate of total bytes used by this batch
&self