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Fix issue jgallagher/rusqlite#174

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This commit is contained in:
gwenn 2016-06-13 20:32:39 +02:00
parent 95050f10a8
commit 9f05147660
1 changed files with 7 additions and 2 deletions
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9
src/lib.rs
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@ -1123,12 +1123,17 @@ impl<'a> ValueRef<'a> {
} }
ffi::SQLITE_BLOB => { ffi::SQLITE_BLOB => {
let blob = ffi::sqlite3_column_blob(raw, col); let blob = ffi::sqlite3_column_blob(raw, col);
assert!(!blob.is_null(), "unexpected SQLITE_BLOB column type with NULL data");
let len = ffi::sqlite3_column_bytes(raw, col); 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");
if len > 0 {
assert!(!blob.is_null(), "unexpected SQLITE_BLOB column type with NULL data");
ValueRef::Blob(from_raw_parts(blob as *const u8, len as usize))
} else {
// The return value from sqlite3_column_blob() for a zero-length BLOB is a NULL pointer.
ValueRef::Blob(&[])
}
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")
} }