Github user jihoonson commented on a diff in the pull request:
https://github.com/apache/tajo/pull/13#discussion_r13899451
--- Diff:
tajo-algebra/src/main/java/org/apache/tajo/algebra/WindowFunctionExpr.java ---
@@ -64,7 +65,7 @@ public int hashCode() {
}
@Override
- boolean equalsTo(Expr expr) {
+ public boolean equalsTo(Expr expr) {
--- End diff --
Each variable is compared with the corresponding variable of other instance.
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