Github user JamesRTaylor commented on a diff in the pull request:
https://github.com/apache/phoenix/pull/281#discussion_r151014126
--- Diff:
phoenix-core/src/main/java/org/apache/phoenix/execute/HashJoinPlan.java ---
@@ -290,6 +291,25 @@ public FilterableStatement getStatement() {
return statement;
}
+ @Override
+ public Cost getCost() throws SQLException {
+ Long byteCount = getEstimatedBytesToScan();
+ if (byteCount == null) {
+ return Cost.ZERO;
+ }
+
+ Cost cost = new Cost(0, 0, byteCount);
+ Cost lhsCost = delegate.getCost();
+ if (keyRangeExpressions != null) {
+ lhsCost = lhsCost.multiplyBy(0.01);
--- End diff --
Why the 0.01? More comments would be good.
---
