jpisaac 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_r259481923
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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 think adding enum constant with values does not help with backward
compatibility - since we cannot alter the bit positions anyway. The only
benefit of enum with values is for placement in the definition.
Not sure if there is any value in that, since placement should match with
ordinals ideally.
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