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Introduce a RefCell in CachedStatement.

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This commit is contained in:
Gwenael Treguier 2015-12-16 20:10:31 +01:00
parent 9257987b37
commit ff02213b53
1 changed files with 4 additions and 3 deletions
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7
src/cache.rs
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@ -1,6 +1,7 @@
//! Prepared statements cache for faster execution. //! Prepared statements cache for faster execution.
extern crate lru_cache; extern crate lru_cache;
use std::cell::RefCell;
use {Result, Connection, Statement}; use {Result, Connection, Statement};
use self::lru_cache::LruCache; use self::lru_cache::LruCache;
@ -15,7 +16,7 @@ pub struct StatementCache<'conn> {
pub struct CachedStatement<'conn> { pub struct CachedStatement<'conn> {
stmt: Statement<'conn>, stmt: Statement<'conn>,
cache: &'conn StatementCache<'conn>, cache: RefCell<StatementCache<'conn>>,
pub cacheable : bool, pub cacheable : bool,
} }
@ -23,8 +24,8 @@ impl<'conn> Drop for CachedStatement<'conn> {
#[allow(unused_must_use)] #[allow(unused_must_use)]
fn drop(&mut self) { fn drop(&mut self) {
if self.cacheable { if self.cacheable {
// FIXME cannot borrow immutable borrowed content `*self.cache` as mutable // FIXME: cannot move out of type `cache::CachedStatement<'conn>`, which defines the `Drop` trait [E0509]
//self.cache.release(self.stmt, false); //self.cache.borrow_mut().release(self.stmt, false);
} else { } else {
self.stmt.finalize_(); self.stmt.finalize_();
} }