This commit is contained in:
gwenn 2016-02-02 19:12:00 +01:00
parent 55dde134e1
commit f529d130b9
7 changed files with 197 additions and 200 deletions

View File

@ -171,9 +171,7 @@ impl<'a, 'b> Backup<'a, 'b> {
///
/// Will return `Err` if the underlying `sqlite3_backup_init` call returns
/// `NULL`.
pub fn new(from: &'a Connection,
to: &'b mut Connection)
-> Result<Backup<'a, 'b>> {
pub fn new(from: &'a Connection, to: &'b mut Connection) -> Result<Backup<'a, 'b>> {
Backup::new_with_names(from, DatabaseName::Main, to, DatabaseName::Main)
}

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@ -352,7 +352,8 @@ mod test {
{
// ... but it should've written the first 10 bytes
let mut blob = db.blob_open(DatabaseName::Main, "test", "content", rowid, false).unwrap();
let mut blob = db.blob_open(DatabaseName::Main, "test", "content", rowid, false)
.unwrap();
let mut bytes = [0u8; 10];
assert_eq!(10, blob.read(&mut bytes[..]).unwrap());
assert_eq!(b"0123456701", &bytes);
@ -369,7 +370,8 @@ mod test {
{
// ... but it should've written the first 10 bytes
let mut blob = db.blob_open(DatabaseName::Main, "test", "content", rowid, false).unwrap();
let mut blob = db.blob_open(DatabaseName::Main, "test", "content", rowid, false)
.unwrap();
let mut bytes = [0u8; 10];
assert_eq!(10, blob.read(&mut bytes[..]).unwrap());
assert_eq!(b"aaaaaaaaaa", &bytes);

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@ -85,13 +85,18 @@ impl fmt::Display for Error {
match self {
&Error::SqliteFailure(ref err, None) => err.fmt(f),
&Error::SqliteFailure(_, Some(ref s)) => write!(f, "{}", s),
&Error::SqliteSingleThreadedMode => write!(f, "SQLite was compiled or configured for single-threaded use only"),
&Error::SqliteSingleThreadedMode => {
write!(f,
"SQLite was compiled or configured for single-threaded use only")
}
&Error::FromSqlConversionFailure(ref err) => err.fmt(f),
&Error::Utf8Error(ref err) => err.fmt(f),
&Error::NulError(ref err) => err.fmt(f),
&Error::InvalidParameterName(ref name) => write!(f, "Invalid parameter name: {}", name),
&Error::InvalidPath(ref p) => write!(f, "Invalid path: {}", p.to_string_lossy()),
&Error::ExecuteReturnedResults => write!(f, "Execute returned results - did you mean to call query?"),
&Error::ExecuteReturnedResults => {
write!(f, "Execute returned results - did you mean to call query?")
}
&Error::QueryReturnedNoRows => write!(f, "Query returned no rows"),
&Error::GetFromStaleRow => write!(f, "Attempted to get a value from a stale row"),
&Error::InvalidColumnIndex(i) => write!(f, "Invalid column index: {}", i),
@ -111,13 +116,17 @@ impl error::Error for Error {
match self {
&Error::SqliteFailure(ref err, None) => err.description(),
&Error::SqliteFailure(_, Some(ref s)) => s,
&Error::SqliteSingleThreadedMode => "SQLite was compiled or configured for single-threaded use only",
&Error::SqliteSingleThreadedMode => {
"SQLite was compiled or configured for single-threaded use only"
}
&Error::FromSqlConversionFailure(ref err) => err.description(),
&Error::Utf8Error(ref err) => err.description(),
&Error::InvalidParameterName(_) => "invalid parameter name",
&Error::NulError(ref err) => err.description(),
&Error::InvalidPath(_) => "invalid path",
&Error::ExecuteReturnedResults => "execute returned results - did you mean to call query?",
&Error::ExecuteReturnedResults => {
"execute returned results - did you mean to call query?"
}
&Error::QueryReturnedNoRows => "query returned no rows",
&Error::GetFromStaleRow => "attempted to get a value from a stale row",
&Error::InvalidColumnIndex(_) => "invalid column index",

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@ -182,9 +182,7 @@ impl Connection {
///
/// Will return `Err` if `path` cannot be converted to a C-compatible string or if the
/// underlying SQLite open call fails.
pub fn open_with_flags<P: AsRef<Path>>(path: P,
flags: OpenFlags)
-> Result<Connection> {
pub fn open_with_flags<P: AsRef<Path>>(path: P, flags: OpenFlags) -> Result<Connection> {
let c_path = try!(path_to_cstring(path.as_ref()));
InnerConnection::open_with_flags(&c_path, flags).map(|db| {
Connection {
@ -359,7 +357,11 @@ impl Connection {
///
/// Will return `Err` if `sql` cannot be converted to a C-compatible string or if the
/// underlying SQLite call fails.
pub fn query_row_and_then<T, E, F>(&self, sql: &str, params: &[&ToSql], f: F) -> result::Result<T, E>
pub fn query_row_and_then<T, E, F>(&self,
sql: &str,
params: &[&ToSql],
f: F)
-> result::Result<T, E>
where F: FnOnce(Row) -> result::Result<T, E>,
E: convert::From<Error>
{
@ -542,9 +544,7 @@ impl Default for OpenFlags {
}
impl InnerConnection {
fn open_with_flags(c_path: &CString,
flags: OpenFlags)
-> Result<InnerConnection> {
fn open_with_flags(c_path: &CString, flags: OpenFlags) -> Result<InnerConnection> {
unsafe {
// Before opening the database, we need to check that SQLite hasn't been
// compiled or configured to be in single-threaded mode. If it has, we're
@ -663,10 +663,7 @@ impl InnerConnection {
unsafe { ffi::sqlite3_last_insert_rowid(self.db()) }
}
fn prepare<'a>(&mut self,
conn: &'a Connection,
sql: &str)
-> Result<Statement<'a>> {
fn prepare<'a>(&mut self, conn: &'a Connection, sql: &str) -> Result<Statement<'a>> {
if sql.len() >= ::std::i32::MAX as usize {
return Err(error_from_sqlite_code(ffi::SQLITE_TOOBIG, None));
}
@ -790,7 +787,7 @@ impl<'conn> Statement<'conn> {
} else {
Ok(self.conn.changes())
}
},
}
ffi::SQLITE_ROW => Err(Error::ExecuteReturnedResults),
_ => Err(self.conn.decode_result(r).unwrap_err()),
}
@ -839,10 +836,7 @@ impl<'conn> Statement<'conn> {
/// # Failure
///
/// Will return `Err` if binding parameters fails.
pub fn query_map<'a, T, F>(&'a mut self,
params: &[&ToSql],
f: F)
-> Result<MappedRows<'a, F>>
pub fn query_map<'a, T, F>(&'a mut self, params: &[&ToSql], f: F) -> Result<MappedRows<'a, F>>
where F: FnMut(&Row) -> T
{
let row_iter = try!(self.query(params));
@ -1450,7 +1444,7 @@ mod test {
if version >= 3007016 {
assert_eq!(err.extended_code, ffi::SQLITE_CONSTRAINT_NOTNULL)
}
},
}
err => panic!("Unexpected error {}", err),
}
}

View File

@ -37,11 +37,7 @@ impl Connection {
///
/// Will return `Err` if `sql` cannot be converted to a C-compatible string or if the
/// underlying SQLite call fails.
pub fn query_row_named<T, F>(&self,
sql: &str,
params: &[(&str, &ToSql)],
f: F)
-> Result<T>
pub fn query_row_named<T, F>(&self, sql: &str, params: &[(&str, &ToSql)], f: F) -> Result<T>
where F: FnOnce(Row) -> T
{
let mut stmt = try!(self.prepare(sql));
@ -91,9 +87,7 @@ impl<'conn> Statement<'conn> {
/// which case `query` should be used instead), or the underling SQLite call fails.
pub fn execute_named(&mut self, params: &[(&str, &ToSql)]) -> Result<c_int> {
try!(self.bind_parameters_named(params));
unsafe {
self.execute_()
}
unsafe { self.execute_() }
}
/// Execute the prepared statement with named parameter(s), returning an iterator over the
@ -118,9 +112,7 @@ impl<'conn> Statement<'conn> {
/// # Failure
///
/// Will return `Err` if binding parameters fails.
pub fn query_named<'a>(&'a mut self,
params: &[(&str, &ToSql)])
-> Result<Rows<'a>> {
pub fn query_named<'a>(&'a mut self, params: &[(&str, &ToSql)]) -> Result<Rows<'a>> {
self.reset_if_needed();
try!(self.bind_parameters_named(params));
@ -198,8 +190,10 @@ mod test {
let mut stmt = db.prepare("INSERT INTO test (x, y) VALUES (:x, :y)").unwrap();
stmt.execute_named(&[(":x", &"one")]).unwrap();
let result: Option<String> = db.query_row("SELECT y FROM test WHERE x = 'one'", &[],
|row| row.get(0)).unwrap();
let result: Option<String> = db.query_row("SELECT y FROM test WHERE x = 'one'",
&[],
|row| row.get(0))
.unwrap();
assert!(result.is_none());
}
@ -213,8 +207,10 @@ mod test {
stmt.execute_named(&[(":x", &"one")]).unwrap();
stmt.execute_named(&[(":y", &"two")]).unwrap();
let result: String = db.query_row("SELECT x FROM test WHERE y = 'two'", &[],
|row| row.get(0)).unwrap();
let result: String = db.query_row("SELECT x FROM test WHERE y = 'two'",
&[],
|row| row.get(0))
.unwrap();
assert_eq!(result, "one");
}
}

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@ -47,9 +47,7 @@ pub struct Transaction<'conn> {
impl<'conn> Transaction<'conn> {
/// Begin a new transaction. Cannot be nested; see `savepoint` for nested transactions.
pub fn new(conn: &Connection,
behavior: TransactionBehavior)
-> Result<Transaction> {
pub fn new(conn: &Connection, behavior: TransactionBehavior) -> Result<Transaction> {
let query = match behavior {
TransactionBehavior::Deferred => "BEGIN DEFERRED",
TransactionBehavior::Immediate => "BEGIN IMMEDIATE",