dbwong commented on a change in pull request #442: PHOENIX-5122: PHOENIX-4322
breaks client backward compatibility
URL: https://github.com/apache/phoenix/pull/442#discussion_r258683896
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File path:
phoenix-core/src/main/java/org/apache/phoenix/expression/RowValueConstructorExpression.java
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@@ -46,14 +47,30 @@
private ImmutableBytesWritable literalExprPtr;
private int partialEvalIndex = -1;
private int estimatedByteSize;
+
+ // The boolean field that indicated the object is a literal constant,
+ // has been repurposed to a bitset and now holds additional information.
+ // This is to facilitate b/w compat to 4.13 clients.
+ // @see <a
href="https://issues.apache.org/jira/browse/PHOENIX-5122";>PHOENIX-5122</a>
+ private BitSet extraFields;
+
+ private enum ExtraFieldPosition {
Review comment:
I dislike the ordinal Enum approach as it makes this enum order dependant
and for example adding a field to the beginning here could cause backwards
compatibility problems as well. I'd prefer a enum constant with values.
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