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use std::mem;
use std::sync::Arc;
use std::sync::mpsc::Sender;
#[doc(inline)]
pub use postgres_shared::stmt::Column;
use StatementNew;
use types::Type;
pub struct Statement {
close_sender: Sender<(u8, String)>,
name: String,
params: Vec<Type>,
columns: Arc<Vec<Column>>,
}
impl StatementNew for Statement {
fn new(close_sender: Sender<(u8, String)>,
name: String,
params: Vec<Type>,
columns: Arc<Vec<Column>>)
-> Statement {
Statement {
close_sender: close_sender,
name: name,
params: params,
columns: columns,
}
}
fn columns_arc(&self) -> &Arc<Vec<Column>> {
&self.columns
}
fn name(&self) -> &str {
&self.name
}
}
impl Drop for Statement {
fn drop(&mut self) {
let name = mem::replace(&mut self.name, String::new());
let _ = self.close_sender.send((b'S', name));
}
}
impl Statement {
pub fn parameters(&self) -> &[Type] {
&self.params
}
pub fn columns(&self) -> &[Column] {
&self.columns
}
}