jinxing64 commented on a change in pull request #1520: [CALCITE-3428] Refine
RelMdColumnUniqueness for Filter by considering…
URL: https://github.com/apache/calcite/pull/1520#discussion_r336762671
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File path: core/src/test/java/org/apache/calcite/test/RelOptRulesTest.java
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@@ -3986,7 +3986,7 @@ private HepProgram getTransitiveProgram() {
.addRuleInstance(AggregateProjectMergeRule.INSTANCE)
.build();
final String sql = "select e.job,d.name\n"
- + "from (select * from sales.emp where empno = 10) as e\n"
+ + "from (select * from sales.emp where ename = 'A') as e\n"
Review comment:
From this point of view, we can also see this PR can help optimize and
simplify result plans.
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