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pub mod ops;
mod ord;
mod impls;
#[doc(hidden)]
pub mod structs {
pub mod data_types {
pub use super::super::impls::date_and_time::{PgTimestamp, PgDate, PgTime, PgInterval};
pub use super::super::impls::floats::PgNumeric;
}
}
pub use self::ord::SqlOrd;
use row::Row;
use std::error::Error;
use std::io::Write;
#[derive(Clone, Copy, Default)] pub struct Bool;
pub type SmallSerial = SmallInt;
pub type Serial = Integer;
pub type BigSerial = BigInt;
#[derive(Clone, Copy, Default)] pub struct SmallInt;
#[doc(hidden)] pub type Int2 = SmallInt;
#[derive(Clone, Copy, Default)] pub struct Integer;
#[doc(hidden)] pub type Int4 = Integer;
#[derive(Clone, Copy, Default)] pub struct BigInt;
#[doc(hidden)] pub type Int8 = BigInt;
#[derive(Clone, Copy, Default)] pub struct Float;
#[doc(hidden)] pub type Float4 = Float;
#[derive(Clone, Copy, Default)] pub struct Double;
#[doc(hidden)] pub type Float8 = Double;
#[derive(Clone, Copy, Default)] pub struct Numeric;
#[derive(Clone, Copy, Default)] pub struct Oid;
#[derive(Clone, Copy, Default)] pub struct VarChar;
#[doc(hidden)] pub type Varchar = VarChar;
#[derive(Clone, Copy, Default)] pub struct Text;
#[derive(Clone, Copy, Default)] pub struct Binary;
#[derive(Clone, Copy, Default)] pub struct Date;
#[derive(Clone, Copy, Default)] pub struct Interval;
#[derive(Clone, Copy, Default)] pub struct Time;
#[derive(Clone, Copy, Default)] pub struct Timestamp;
#[derive(Clone, Copy, Default)] pub struct Nullable<T: NativeSqlType>(T);
#[derive(Clone, Copy, Default)] pub struct Array<T: NativeSqlType>(T);
pub trait NativeSqlType {
fn oid(&self) -> u32;
fn array_oid(&self) -> u32;
fn new() -> Self where Self: Sized;
}
pub trait FromSql<A: NativeSqlType>: Sized {
fn from_sql(bytes: Option<&[u8]>) -> Result<Self, Box<Error>>;
}
pub trait FromSqlRow<A: NativeSqlType>: Sized {
fn build_from_row<T: Row>(row: &mut T) -> Result<Self, Box<Error>>;
}
impl<A, T> FromSqlRow<A> for T where
A: NativeSqlType,
T: FromSql<A>,
{
fn build_from_row<R: Row>(row: &mut R) -> Result<Self, Box<Error>> {
Self::from_sql(row.take())
}
}
#[derive(Debug, PartialEq, Eq)]
pub enum IsNull {
Yes,
No,
}
pub trait ToSql<A: NativeSqlType> {
fn to_sql<W: Write>(&self, out: &mut W) -> Result<IsNull, Box<Error>>;
}
impl<'a, A, T> ToSql<A> for &'a T where
A: NativeSqlType,
T: ToSql<A>,
{
fn to_sql<W: Write>(&self, out: &mut W) -> Result<IsNull, Box<Error>> {
(*self).to_sql(out)
}
}