Expand description
Types which can be passed to
update.set
.
This trait can be automatically derived using by adding #[derive(AsChangeset)]
to your struct. Structs which derive this trait must be annotated with
#[table_name = "something"]
. If the field name of your struct differs
from the name of the column, you can annotate the field with
#[column_name = "some_column_name"]
.
By default, any Option
fields on the struct are skipped if their value is
None
. If you would like to assign NULL
to the field instead, you can
annotate your struct with #[changeset_options(treat_none_as_null = "true")]
.
The table which Self::Changeset
will be updating
The update statement this type represents
Convert self
into the actual update statement being executed
impl<Target, A, B, C, D> AsChangeset for (A, B, C, D) where
A: AsChangeset<Target = Target>,
B: AsChangeset<Target = Target>,
C: AsChangeset<Target = Target>,
D: AsChangeset<Target = Target>,
Target: QuerySource,
impl<Target, A, B, C, D, E> AsChangeset for (A, B, C, D, E) where
A: AsChangeset<Target = Target>,
B: AsChangeset<Target = Target>,
C: AsChangeset<Target = Target>,
D: AsChangeset<Target = Target>,
E: AsChangeset<Target = Target>,
Target: QuerySource,
impl<Target, A, B, C, D, E, F> AsChangeset for (A, B, C, D, E, F) where
A: AsChangeset<Target = Target>,
B: AsChangeset<Target = Target>,
C: AsChangeset<Target = Target>,
D: AsChangeset<Target = Target>,
E: AsChangeset<Target = Target>,
F: AsChangeset<Target = Target>,
Target: QuerySource,
impl<Target, A, B, C, D, E, F, G> AsChangeset for (A, B, C, D, E, F, G) where
A: AsChangeset<Target = Target>,
B: AsChangeset<Target = Target>,
C: AsChangeset<Target = Target>,
D: AsChangeset<Target = Target>,
E: AsChangeset<Target = Target>,
F: AsChangeset<Target = Target>,
G: AsChangeset<Target = Target>,
Target: QuerySource,
impl<Target, A, B, C, D, E, F, G, H> AsChangeset for (A, B, C, D, E, F, G, H) where
A: AsChangeset<Target = Target>,
B: AsChangeset<Target = Target>,
C: AsChangeset<Target = Target>,
D: AsChangeset<Target = Target>,
E: AsChangeset<Target = Target>,
F: AsChangeset<Target = Target>,
G: AsChangeset<Target = Target>,
H: AsChangeset<Target = Target>,
Target: QuerySource,
impl<Target, A, B, C, D, E, F, G, H, I> AsChangeset for (A, B, C, D, E, F, G, H, I) where
A: AsChangeset<Target = Target>,
B: AsChangeset<Target = Target>,
C: AsChangeset<Target = Target>,
D: AsChangeset<Target = Target>,
E: AsChangeset<Target = Target>,
F: AsChangeset<Target = Target>,
G: AsChangeset<Target = Target>,
H: AsChangeset<Target = Target>,
I: AsChangeset<Target = Target>,
Target: QuerySource,
impl<Target, A, B, C, D, E, F, G, H, I, J> AsChangeset for (A, B, C, D, E, F, G, H, I, J) where
A: AsChangeset<Target = Target>,
B: AsChangeset<Target = Target>,
C: AsChangeset<Target = Target>,
D: AsChangeset<Target = Target>,
E: AsChangeset<Target = Target>,
F: AsChangeset<Target = Target>,
G: AsChangeset<Target = Target>,
H: AsChangeset<Target = Target>,
I: AsChangeset<Target = Target>,
J: AsChangeset<Target = Target>,
Target: QuerySource,
impl<Target, A, B, C, D, E, F, G, H, I, J, K> AsChangeset for (A, B, C, D, E, F, G, H, I, J, K) where
A: AsChangeset<Target = Target>,
B: AsChangeset<Target = Target>,
C: AsChangeset<Target = Target>,
D: AsChangeset<Target = Target>,
E: AsChangeset<Target = Target>,
F: AsChangeset<Target = Target>,
G: AsChangeset<Target = Target>,
H: AsChangeset<Target = Target>,
I: AsChangeset<Target = Target>,
J: AsChangeset<Target = Target>,
K: AsChangeset<Target = Target>,
Target: QuerySource,
impl<Target, A, B, C, D, E, F, G, H, I, J, K, L> AsChangeset for (A, B, C, D, E, F, G, H, I, J, K, L) where
A: AsChangeset<Target = Target>,
B: AsChangeset<Target = Target>,
C: AsChangeset<Target = Target>,
D: AsChangeset<Target = Target>,
E: AsChangeset<Target = Target>,
F: AsChangeset<Target = Target>,
G: AsChangeset<Target = Target>,
H: AsChangeset<Target = Target>,
I: AsChangeset<Target = Target>,
J: AsChangeset<Target = Target>,
K: AsChangeset<Target = Target>,
L: AsChangeset<Target = Target>,
Target: QuerySource,
impl<Target, A, B, C, D, E, F, G, H, I, J, K, L, M> AsChangeset for (A, B, C, D, E, F, G, H, I, J, K, L, M) where
A: AsChangeset<Target = Target>,
B: AsChangeset<Target = Target>,
C: AsChangeset<Target = Target>,
D: AsChangeset<Target = Target>,
E: AsChangeset<Target = Target>,
F: AsChangeset<Target = Target>,
G: AsChangeset<Target = Target>,
H: AsChangeset<Target = Target>,
I: AsChangeset<Target = Target>,
J: AsChangeset<Target = Target>,
K: AsChangeset<Target = Target>,
L: AsChangeset<Target = Target>,
M: AsChangeset<Target = Target>,
Target: QuerySource,
impl<Target, A, B, C, D, E, F, G, H, I, J, K, L, M, N> AsChangeset for (A, B, C, D, E, F, G, H, I, J, K, L, M, N) where
A: AsChangeset<Target = Target>,
B: AsChangeset<Target = Target>,
C: AsChangeset<Target = Target>,
D: AsChangeset<Target = Target>,
E: AsChangeset<Target = Target>,
F: AsChangeset<Target = Target>,
G: AsChangeset<Target = Target>,
H: AsChangeset<Target = Target>,
I: AsChangeset<Target = Target>,
J: AsChangeset<Target = Target>,
K: AsChangeset<Target = Target>,
L: AsChangeset<Target = Target>,
M: AsChangeset<Target = Target>,
N: AsChangeset<Target = Target>,
Target: QuerySource,
impl<Target, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O> AsChangeset for (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O) where
A: AsChangeset<Target = Target>,
B: AsChangeset<Target = Target>,
C: AsChangeset<Target = Target>,
D: AsChangeset<Target = Target>,
E: AsChangeset<Target = Target>,
F: AsChangeset<Target = Target>,
G: AsChangeset<Target = Target>,
H: AsChangeset<Target = Target>,
I: AsChangeset<Target = Target>,
J: AsChangeset<Target = Target>,
K: AsChangeset<Target = Target>,
L: AsChangeset<Target = Target>,
M: AsChangeset<Target = Target>,
N: AsChangeset<Target = Target>,
O: AsChangeset<Target = Target>,
Target: QuerySource,
impl<Target, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P> AsChangeset for (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P) where
A: AsChangeset<Target = Target>,
B: AsChangeset<Target = Target>,
C: AsChangeset<Target = Target>,
D: AsChangeset<Target = Target>,
E: AsChangeset<Target = Target>,
F: AsChangeset<Target = Target>,
G: AsChangeset<Target = Target>,
H: AsChangeset<Target = Target>,
I: AsChangeset<Target = Target>,
J: AsChangeset<Target = Target>,
K: AsChangeset<Target = Target>,
L: AsChangeset<Target = Target>,
M: AsChangeset<Target = Target>,
N: AsChangeset<Target = Target>,
O: AsChangeset<Target = Target>,
P: AsChangeset<Target = Target>,
Target: QuerySource,