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#[macro_use]
extern crate diesel;
mod functions {
use diesel::sql_types::*;
sql_function! {
fn similarity<T: IntoNullable>(x: T, y: T) -> Float;
}
sql_function! {
fn word_similarity<T: IntoNullable>(x: T, y: T) -> Float;
}
}
mod dsl {
use diesel::expression::{AsExpression, Expression};
mod predicates {
use diesel::pg::Pg;
use diesel::sql_types::*;
diesel_infix_operator!(Similar, " % ", Bool, backend: Pg);
diesel_infix_operator!(WordSimilar, " <% ", Bool, backend: Pg);
diesel_infix_operator!(WordSimilarComm, " %> ", Bool, backend: Pg);
diesel_infix_operator!(Distance, " <-> ", Float, backend: Pg);
diesel_infix_operator!(WordDistance, " <<-> ", Float, backend: Pg);
diesel_infix_operator!(WordDistanceComm, " <->> ", Float, backend: Pg);
}
use self::predicates::*;
pub trait TrgmExtensions: Expression + Sized {
fn similar<T: AsExpression<Self::SqlType>>(self, other: T) -> Similar<Self, T::Expression> {
Similar::new(self, other.as_expression())
}
}
impl<T: Expression> TrgmExtensions for T {}
}
pub use self::dsl::*;
pub use self::functions::*;