replaceStreamData: accept uninitialized filter/decode_parms

These mean to leave the original values alone. This is needed for
reconstructing streams from JSON given that the stream data and stream
dictionary may appear in any order in the JSON.

1 files changed, 6 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 41c4671b..95ed40c7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2022-05-17  Jay Berkenbilt  <ejb@ql.org>
+
+        * Allow passing *uninitialized* (not null) objects to
+        replaceStreamData as filter and/or decode_parms to leave any
+        existing values for /Filter and /DecodeParms untouched.
+
 2022-05-15  Jay Berkenbilt  <ejb@ql.org>
 
         * Add QUtil::is_long_long to test whether a string can be