/// Return the estimated size for each column in the specific table.
/// Note there may be multiple entries for each column.
///
/// If no such table exists in this chunk, an empty Vec is returned.
Return the estimated size for each column in the specific table.
Note there may be multiple entries for each column.

If no such table exists in this chunk, an empty Vec is returned.
Return the estimated size for each column in the specific table . Note there may be multiple entries for each column . If no such table exists in this chunk an empty Vec is returned .
pub fn column_sizes(&self, table_name: &str) -> Vec<ChunkColumnSummary> {
        let chunk_data = self.chunk_data.read();
        chunk_data
            .data
            .get(table_name)
            .map(|table| table.column_sizes())
            .unwrap_or_default()
    }
pub fn column_sizes ( & self , table_name : & str ) -> Vec < ChunkColumnSummary > { let chunk_data = self . chunk_data . read ( ) ; chunk_data . data . get ( table_name ) . map ( | table | table . column_sizes ( ) ) . unwrap_or_default ( ) }
Return the estimated size for each column in the specific table.
Return the estimated size for each column in the specific table .
&self
table_name
&str