my7ym commented on a change in pull request #1104: [CALCITE-2900]
RewriteRexShuttle generates wrong type during flatten for structured type when
visitInputRef
URL: https://github.com/apache/calcite/pull/1104#discussion_r266269245
##########
File path: core/src/test/java/org/apache/calcite/tools/PlannerTest.java
##########
@@ -996,6 +997,66 @@ private void checkBushy(String sql, String expected)
throws Exception {
assertThat(toString(transform), containsString(expected));
}
+ private void checkFlattenTypesOnNestedColumn(String sql, String expected)
throws Exception {
+ final SchemaPlus rootSchema = Frameworks.createRootSchema(true);
+ final SqlParser.Config sqlParserConfig = SqlParser.configBuilder()
+ .setCaseSensitive(false)
+ .setUnquotedCasing(Casing.UNCHANGED)
+ .setQuotedCasing(Casing.UNCHANGED)
+ .build();
+ final FrameworkConfig config = Frameworks.newConfigBuilder()
+ .parserConfig(sqlParserConfig)
+ .defaultSchema(
+ CalciteAssert.addSchema(rootSchema,
+ CalciteAssert.SchemaSpec.BOOKSTORE))
+ .traitDefs((List<RelTraitDef>) null)
+ .build();
+ final Planner planner = Frameworks.getPlanner(config);
+ SqlNode parse = planner.parse(sql);
+ SqlNode validate = planner.validate(parse);
+ RelNode convert = planner.rel(validate).rel;
+ assertThat(toString(convert), containsString(expected));
+ }
+
+ /** Test case for
+ * <a
href="https://issues.apache.org/jira/browse/CALCITE-2900";>[CALCITE-2900]
+ * RewriteRexShuttle generates wrong type during flatten for structured type
when
+ * visitInputRef</a>. */
+ @Test
+ public void testFlattenTypesWithFieldAccessOnFirstLevel() throws Exception {
+ String sql = ""
Review comment:
Thanks for detailed review and good catch! Will make the tests simpler and
will try to add low-level tests
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