derive_sql/traits/
update.rs

1use super::*;
2
3pub trait UpdateFlavoredStatement {
4  fn update_stmt<C, R>(&self, conn: &C) -> Result<String>
5  where C: Connection<R>, R: Row;
6
7  fn update_with_filter_stmt<C, R, F>(&self, conn: &C, filter: &F) -> Result<String>
8  where C: Connection<R>, R: Row, F: traits::FlavoredFilter
9  {
10    statement_with_conn_filter_order_limit_offset_options::<_, _, _, structs::order::None>(self.update_stmt(conn)?,
11      conn, Some(filter), None, None, None)
12  }
13
14  fn update_with_filter_order_limit_offset_stmt<C, R, F, O>(&self, conn: &C, filter: &F, order: &O, limit: usize, offset: usize) -> Result<String>
15  where C: Connection<R>, R: Row, F: FlavoredFilter, O: FlavoredOrder,
16  {
17    statement_with_conn_filter_order_limit_offset_options(self.update_stmt(conn)?,
18      conn, Some(filter), Some(order), Some(limit), Some(offset))
19  }
20}
21
22pub trait UpdateStatement {
23  fn update_stmt(&self) -> Result<String>;
24
25  fn update_with_filter_stmt<F>(&self, filter: &F) -> Result<String>
26  where F: Filter
27  {
28    statement_with_filter_order_limit_offset_options::<_, structs::order::None>(self.update_stmt()?,
29    Some(filter), None, None, None)
30  }
31
32  fn update_with_filter_order_limit_offset_stmt<F, O>(&self, filter: &F, order: &O, limit: usize, offset: usize) -> Result<String>
33  where F: Filter, O: Order,
34  {
35    statement_with_filter_order_limit_offset_options(self.update_stmt()?,
36    Some(filter), Some(order), Some(limit), Some(offset))
37  }
38}
39
40impl<U> UpdateFlavoredStatement for U
41where U: UpdateStatement
42{
43  fn update_stmt<C, R>(&self, _conn: &C) -> Result<String>
44  where C: Connection<R>, R: Row
45  {
46    UpdateStatement::update_stmt(self)
47  }
48}
49
50pub trait Update<C, R, T> 
51where C: Connection<R>,
52      R: Row,
53{
54  fn update(&self, conn: &mut C, object: &T) -> Result<()>;
55
56  fn update_with_filter<F>(&self, conn: &mut C, filter: &F, object: &T) -> Result<()>
57  where F: traits::FlavoredFilter;
58
59  fn update_with_filter_order_limit_offset<F, O>(&self, conn: &mut C, filter: &F, order: &O, limit: usize, offset: usize, object: &T) -> Result<()>
60  where F: traits::FlavoredFilter, O: FlavoredOrder;
61
62}
derive_sql/traits/update.rs

derive_sql/traits/
update.rs
