LakeShen commented on code in PR #3382:
URL: https://github.com/apache/calcite/pull/3382#discussion_r1299451839
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core/src/test/java/org/apache/calcite/test/RelMetadataTest.java:
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@@ -700,6 +700,16 @@ final RelMetadataFixture sql(String sql) {
sql(sql).assertThatRowCount(is(7d), is(0D), is(7d));
}
+ /** Test case for
+ * <a
href="https://issues.apache.org/jira/browse/CALCITE-5944";>[CALCITE-5944]
+ * RelMdRowCount can return more accurate rowCount. </a>. */
+ @Test void testRowCountSample() {
+ sql("select * from emp tablesample bernoulli(50) repeatable(1)")
Review Comment:
Could you add the test for getMaxRowCount(Sample rel, RelMetadataQuery mq)
and getMinRowCount(Sample rel, RelMetadataQuery mq)?
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