Trait evento_query::Cursor

pub trait Cursor: Sized {
    // Required methods
    fn keys() -> Vec<&'static str>;
    fn bind<'q, O>(
        self,
        query: QueryAs<'_, Postgres, O, PgArguments>
    ) -> QueryAs<'_, Postgres, O, PgArguments>
       where O: for<'r> FromRow<'r, <Postgres as Database>::Row> + 'q + Send + Unpin + Cursor;
    fn serialize(&self) -> Vec<String>;
    fn deserialize(values: Vec<&str>) -> Result<Self, CursorError>;

    // Provided methods
    fn serialize_utc(value: DateTime<Utc>) -> String { ... }
    fn deserialize_as<F: Into<String>, D: FromStr>(
        field: F,
        value: Option<&&str>
    ) -> Result<D, CursorError> { ... }
    fn deserialize_as_utc<F: Into<String>>(
        field: F,
        value: Option<&&str>
    ) -> Result<DateTime<Utc>, CursorError> { ... }
    fn to_cursor(&self) -> String { ... }
    fn from_cursor<C: Into<String>>(cursor: C) -> Result<Self, CursorError> { ... }
    fn to_pg_filter(backward: bool) -> String { ... }
    fn to_pg_filter_with_pos(backward: bool, pos: usize) -> String { ... }
    fn to_pg_filter_opts(
        backward: bool,
        keys: Option<Vec<&str>>,
        pos: Option<usize>
    ) -> String { ... }
    fn to_pg_order(backward: bool) -> String { ... }
}

Required Methods

fn keys() -> Vec<&'static str>

fn bind<'q, O>( self, query: QueryAs<'_, Postgres, O, PgArguments> ) -> QueryAs<'_, Postgres, O, PgArguments>where O: for<'r> FromRow<'r, <Postgres as Database>::Row> + 'q + Send + Unpin + Cursor,

fn serialize(&self) -> Vec<String>

fn deserialize(values: Vec<&str>) -> Result<Self, CursorError>

Provided Methods

fn serialize_utc(value: DateTime<Utc>) -> String

fn deserialize_as<F: Into<String>, D: FromStr>( field: F, value: Option<&&str> ) -> Result<D, CursorError>

fn deserialize_as_utc<F: Into<String>>( field: F, value: Option<&&str> ) -> Result<DateTime<Utc>, CursorError>

fn to_cursor(&self) -> String

fn from_cursor<C: Into<String>>(cursor: C) -> Result<Self, CursorError>

fn to_pg_filter(backward: bool) -> String

fn to_pg_filter_with_pos(backward: bool, pos: usize) -> String

fn to_pg_filter_opts( backward: bool, keys: Option<Vec<&str>>, pos: Option<usize> ) -> String

fn to_pg_order(backward: bool) -> String

Implementors