Pablu/go-sqlite3
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bug fix: Byte slices belong to the caller and so must be copies.

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With the exeption of slices in the result type sql.RawBytes,
new calls to Sqlite must not corrupt slices.
This commit is contained in:
Thomas Leske
2012-08-20 17:20:58 +02:00
parent 8f1b649756
commit a4e5e7a617
1 changed files with 8 additions and 1 deletions
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9
sqlite3.go
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@@ -297,7 +297,14 @@ func (rc *SQLiteRows) Next(dest []driver.Value) error {
case C.SQLITE_BLOB: case C.SQLITE_BLOB:
n := int(C.sqlite3_column_bytes(rc.s.s, C.int(i))) n := int(C.sqlite3_column_bytes(rc.s.s, C.int(i)))
p := C.sqlite3_column_blob(rc.s.s, C.int(i)) p := C.sqlite3_column_blob(rc.s.s, C.int(i))
dest[i] = (*[1 << 30]byte)(unsafe.Pointer(p))[0:n] switch dest[i].(type) {
case sql.RawBytes:
dest[i] = (*[1 << 30]byte)(unsafe.Pointer(p))[0:n]
default:
slice := make([]byte, n)
copy(slice[:], (*[1 << 30]byte)(unsafe.Pointer(p))[0:n])
dest[i] = slice
}
case C.SQLITE_NULL: case C.SQLITE_NULL:
dest[i] = nil dest[i] = nil
case C.SQLITE_TEXT: case C.SQLITE_TEXT: