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Better error reporting on invalid column type.

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This commit is contained in:
gwenn
2016-05-26 21:03:05 +02:00
parent 9e49452300
commit cabcaf3dcb
9 changed files with 120 additions and 64 deletions
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19
src/lib.rs
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@@ -1066,7 +1066,7 @@ impl<'a, 'stmt> Row<'a, 'stmt> {
pub fn get_checked<I: RowIndex, T: FromSql>(&self, idx: I) -> Result<T> {
let idx = try!(idx.idx(self.stmt));
let value = unsafe { ValueRef::new(&self.stmt.stmt, idx) };
FromSql::column_result(value)
FromSql::column_result(value, idx)
}
/// Return the number of columns in the current row.
@@ -1112,7 +1112,8 @@ impl<'a> ValueRef<'a> {
ffi::SQLITE_FLOAT => ValueRef::Real(ffi::sqlite3_column_double(raw, col)),
ffi::SQLITE_TEXT => {
let text = ffi::sqlite3_column_text(raw, col);
assert!(!text.is_null(), "unexpected SQLITE_TEXT column type with NULL data");
assert!(!text.is_null(),
"unexpected SQLITE_TEXT column type with NULL data");
let s = CStr::from_ptr(text as *const c_char);
// sqlite3_column_text returns UTF8 data, so our unwrap here should be fine.
@@ -1121,14 +1122,16 @@ impl<'a> ValueRef<'a> {
}
ffi::SQLITE_BLOB => {
let blob = ffi::sqlite3_column_blob(raw, col);
assert!(!blob.is_null(), "unexpected SQLITE_BLOB column type with NULL data");
assert!(!blob.is_null(),
"unexpected SQLITE_BLOB column type with NULL data");
let len = ffi::sqlite3_column_bytes(raw, col);
assert!(len >= 0, "unexpected negative return from sqlite3_column_bytes");
assert!(len >= 0,
"unexpected negative return from sqlite3_column_bytes");
ValueRef::Blob(from_raw_parts(blob as *const u8, len as usize))
}
_ => unreachable!("sqlite3_column_type returned invalid value")
_ => unreachable!("sqlite3_column_type returned invalid value"),
}
}
}
@@ -1488,7 +1491,7 @@ mod test {
.collect();
match bad_type.unwrap_err() {
Error::InvalidColumnType => (),
Error::InvalidColumnType(_, _) => (),
err => panic!("Unexpected error {}", err),
}
@@ -1548,7 +1551,7 @@ mod test {
.collect();
match bad_type.unwrap_err() {
CustomError::Sqlite(Error::InvalidColumnType) => (),
CustomError::Sqlite(Error::InvalidColumnType(_, _)) => (),
err => panic!("Unexpected error {}", err),
}
@@ -1610,7 +1613,7 @@ mod test {
});
match bad_type.unwrap_err() {
CustomError::Sqlite(Error::InvalidColumnType) => (),
CustomError::Sqlite(Error::InvalidColumnType(_, _)) => (),
err => panic!("Unexpected error {}", err),
}