cdbc_mysql/
row.rs

1use cdbc::column::ColumnIndex;
2use cdbc::error::Error;
3
4use crate::{protocol, MySql, MySqlColumn, MySqlValueFormat, MySqlValueRef};
5use cdbc::row::Row;
6use cdbc::HashMap;
7use std::sync::Arc;
8use cdbc::utils::ustr::UStr;
9
10/// Implementation of [`Row`] for MySQL.
11#[derive(Debug)]
12pub struct MySqlRow {
13    pub(crate) row: protocol::Row,
14    pub(crate) format: MySqlValueFormat,
15    pub(crate) columns: Arc<Vec<MySqlColumn>>,
16    pub(crate) column_names: Arc<HashMap<UStr, usize>>,
17}
18
19
20impl Row for MySqlRow {
21    type Database = MySql;
22
23    fn columns(&self) -> &[MySqlColumn] {
24        &self.columns
25    }
26
27    fn try_get_raw<I>(&self, index: I) -> Result<MySqlValueRef<'_>, Error>
28    where
29        I: ColumnIndex<Self>,
30    {
31        let index = index.index(self)?;
32        let column = &self.columns[index];
33        let value = self.row.get(index);
34
35        Ok(MySqlValueRef {
36            format: self.format,
37            row: Some(&self.row.storage),
38            type_info: column.type_info.clone(),
39            value,
40        })
41    }
42}
43
44impl ColumnIndex<MySqlRow> for &'_ str {
45    fn index(&self, row: &MySqlRow) -> Result<usize, Error> {
46        row.column_names
47            .get(*self)
48            .ok_or_else(|| Error::ColumnNotFound((*self).into()))
49            .map(|v| *v)
50    }
51}
cdbc_mysql/row.rs

cdbc_mysql/
row.rs
