chunweilei commented on a change in pull request #1690: [CALCITE-3524] Add
methods for creating RexSubQueries in RelBuilder
URL: https://github.com/apache/calcite/pull/1690#discussion_r361353321
##########
File path: core/src/test/java/org/apache/calcite/test/RelBuilderTest.java
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@@ -3048,4 +3048,30 @@ private void checkExpandTable(RelBuilder builder,
Matcher<RelNode> matcher) {
+ " LogicalTableScan(table=[[scott, DEPT]])\n";
assertThat(root, hasTree(expected));
}
+
+ @Test public void testRexSubQueryIn() {
+
+ final RelBuilder builder = RelBuilder.create(config().build());
+ RelNode root = builder.scan("EMP")
+ .filter(
+ builder.in(
+ builder.scan("DEPT")
+ .filter(
+ builder.call(SqlStdOperatorTable.EQUALS,
+ builder.field("DNAME"),
+ builder.literal("AAA")))
+ .project(builder.field("DEPTNO"))
+ .build(),
+ ImmutableList.of(builder.field("DEPTNO"))))
+ .build();
+
Review comment:
Could you please add a comment about the equivalent sql for better
understanding?
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