JiajunBernoulli commented on code in PR #3289:
URL: https://github.com/apache/calcite/pull/3289#discussion_r1249076667
##########
core/src/test/java/org/apache/calcite/test/RelOptRulesTest.java:
##########
@@ -223,6 +224,38 @@ private static boolean skipItem(RexNode expr) {
&& "item".equalsIgnoreCase(((RexCall) expr).getOperator().getName());
}
+ @Test void testRepeat() {
+ HepProgramBuilder builder = new HepProgramBuilder();
+ builder.addRuleClass(ReduceExpressionsRule.class);
+ HepPlanner hepPlanner = new HepPlanner(builder.build());
+ hepPlanner.addRule(CoreRules.PROJECT_REDUCE_EXPRESSIONS);
+
+ final String sql = "select REPEAT('abc', 2)";
+ fixture()
+ .withOperatorTable(
Review Comment:
Can you use
[withFactory](https://github.com/apache/calcite/blob/301f770a66ef3d26c9d4e8d274eae0f92a819e00/core/src/test/java/org/apache/calcite/test/RelOptRulesTest.java#L558)?
For example
```
sql(sql)
.withFactory(t ->
t.withOperatorTable(opTab ->
SqlValidatorTest.operatorTableFor(SqlLibrary.ORACLE)))
```
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