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mod set_version;
mod list_data_sources;
pub use self::list_data_sources::{DataSourceInfo, DriverInfo};
use super::{Result, Return, ffi, GetDiagRec, Raii, Handle, EnvAllocError};
use std::marker::PhantomData;
use std;
pub enum NoVersion {}
pub enum Version3 {}
pub struct Environment<V> {
raii: Raii<ffi::Env>,
state: PhantomData<V>,
}
impl<V> Handle for Environment<V> {
type To = ffi::Env;
unsafe fn handle(&self) -> ffi::SQLHENV {
self.raii.handle()
}
}
impl Environment<NoVersion> {
pub fn new() -> std::result::Result<Environment<NoVersion>, EnvAllocError> {
match unsafe { Raii::new() } {
Return::Success(env) => {
Ok(Environment {
raii: env,
state: PhantomData,
})
}
Return::SuccessWithInfo(env) => {
warn!("{}", env.get_diag_rec(1).unwrap());
Ok(Environment {
raii: env,
state: PhantomData,
})
}
Return::Error => Err(EnvAllocError),
}
}
pub fn set_odbc_version_3(mut self) -> Result<Environment<Version3>> {
self.raii.set_odbc_version_3().into_result(&self)?;
Ok(Environment {
raii: self.raii,
state: PhantomData,
})
}
}