jackwener commented on code in PR #17691:
URL: https://github.com/apache/doris/pull/17691#discussion_r1133181012
##########
fe/fe-core/src/test/java/org/apache/doris/nereids/rules/rewrite/logical/EliminateUnnecessaryProjectTest.java:
##########
@@ -55,57 +52,49 @@ protected void runBeforeAll() throws Exception {
}
@Test
- public void testEliminateNonTopUnnecessaryProject() {
+ void testEliminateNonTopUnnecessaryProject() {
LogicalPlan unnecessaryProject = new
LogicalPlanBuilder(PlanConstructor.newLogicalOlapScan(0, "t1", 0))
.project(ImmutableList.of(1, 0))
.filter(BooleanLiteral.FALSE)
.build();
- CascadesContext cascadesContext =
MemoTestUtils.createCascadesContext(unnecessaryProject);
- cascadesContext.topDownRewrite(new EliminateUnnecessaryProject());
-
- Plan actual = cascadesContext.getMemo().copyOut();
- Assertions.assertTrue(actual.child(0) instanceof LogicalProject);
+ PlanChecker.from(MemoTestUtils.createConnectContext(),
unnecessaryProject)
+ .applyTopDown(new EliminateUnnecessaryProject())
+ .matches(logicalProject());
Review Comment:
please use matchesFromRoot in this test class
##########
fe/fe-core/src/test/java/org/apache/doris/nereids/util/PlanChecker.java:
##########
@@ -126,6 +127,12 @@ public PlanChecker applyTopDown(RuleFactory ruleFactory) {
return applyTopDown(ruleFactory.buildRules());
}
+ public PlanChecker applyTopDown(CustomRewriter customRewriter) {
Review Comment:
👍
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