hsyuan commented on a change in pull request #1271: [CALCITE-3112]Support
Window in RelToSqlConverter.
URL: https://github.com/apache/calcite/pull/1271#discussion_r294531247
##########
File path:
core/src/test/java/org/apache/calcite/rel/rel2sql/RelToSqlConverterTest.java
##########
@@ -1654,6 +1675,19 @@ private void checkLiteral2(String expression, String
expected) {
sql(query).ok(expected);
}
+ /** Test case for
+ * <a
href="https://issues.apache.org/jira/browse/CALCITE-3112";>[CALCITE-3112]
+ * Support Window in RelToSqlConverter</a>. */
+ @Test public void testLeadFunctionForPrintingOfFrameBoundaryWithWindow() {
+ String query = "SELECT lead(\"employee_id\",1,'NA') over "
+ + "(partition by \"hire_date\" order by \"employee_id\") FROM
\"employee\"";
+ String expected = "SELECT LEAD(\"employee_id\", 1, 'NA') OVER "
+ + "(PARTITION BY \"hire_date\" "
+ + "ORDER BY \"employee_id\") AS \"$0\"\n"
+ + "FROM \"foodmart\".\"employee\"";
+ sql(query).includeWindow(true).ok(expected);
+ }
+
Review comment:
You can put these test cases together, so that you don't need to repeat the
comments and JIRA link many times.
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