kgyrtkirk commented on a change in pull request #1941:
URL: https://github.com/apache/calcite/pull/1941#discussion_r420604462
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File path: core/src/test/java/org/apache/calcite/test/RelOptRulesTest.java
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@@ -1010,6 +1011,39 @@ private void
basePushFilterPastAggWithGroupingSets(boolean unchanged)
sql(sql).with(program).check();
}
+ @Test void testSortRemoveRowCountBased() {
+ final HepProgram program = new HepProgramBuilder()
+ .addRuleInstance(SortRemoveRule.INSTANCE)
+ .build();
+ final String sql = "select count(*) as c\n"
+ + "from sales.emp\n"
+ + "where deptno = 10\n"
+ + "limit 10";
+ sql(sql).with(program).check();
+ }
+
+ @Test void testSortRemoveRowCountBasedZeroLimit() {
+ final HepProgram program = new HepProgramBuilder()
+ .addRuleInstance(SortRemoveRule.INSTANCE)
Review comment:
only 2 of them...I think we might not be able to check core features of
some rules because the RelBuiilder may fix it beforehand.
at some point we should either have to introduce a switch to disable
`RelBuilder` being smart...or make the current one a derivative of a basic one.
but anyway...this is outside of the scope of this change - I'll file a
ticket for it
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