nizhikov commented on pull request #9618:
URL: https://github.com/apache/ignite/pull/9618#issuecomment-1000291426
@vladErmakov07 I still don't quite understand the use-case and fix.
Extend your test a bit and stuck:
```
@Test
public void testCacheSecondaryCompositeIndex() throws Exception {
inlineSize = 70;
startGrid();
String cacheName = "TEST";
List<QueryIndex> indexes = Collections.singletonList(
new QueryIndex("val_obj",
QueryIndexType.SORTED).setInlineSize(inlineSize)
);
grid().createCache(new CacheConfiguration<>()
.setName(cacheName)
.setSqlSchema(cacheName)
.setAffinity(new RendezvousAffinityFunction(false, 4))
.setQueryEntities(Collections.singleton(new QueryEntity()
.setTableName(cacheName)
.setKeyType(Integer.class.getName())
.setKeyFieldName("id")
.setValueType("TEST_VAL_SECONDARY_COMPOSITE")
.addQueryField("id", Integer.class.getName(), null)
.addQueryField("val_obj", Object.class.getName(), null)
.setIndexes(indexes)
))
);
BinaryObjectBuilder bob =
grid().binary().builder("TEST_VAL_SECONDARY_COMPOSITE");
BinaryObjectBuilder bobInner = grid().binary().builder("inner");
bobInner.setField("inner_k", 0);
bobInner.setField("inner_uuid", UUID.randomUUID());
bob.setField("val_obj", bobInner.build());
IgniteCache<Object, Object> cache = grid().cache(cacheName);
cache.put(0, bob.build());
BinaryObjectBuilder alice =
grid().binary().builder("TEST_VAL_SECONDARY_COMPOSITE");
BinaryObjectBuilder aliceInner = grid().binary().builder("inner2");
aliceInner.setField("inner_k2", 0);
aliceInner.setField("inner_uuid2", UUID.randomUUID());
cache.put(1, alice.build());
List<List<?>> rows = execSql(cache.withKeepBinary(), "SELECT id,
val_obj FROM " + cacheName);
assertEquals(2, rows.size());
for (List<?> row : rows) {
assertNotNull(row.get(0));
assertNotNull("id = " + row.get(0), row.get(1));
}
}
```
The test fail with the following exception.
Looks like we can't read rows written the way you proposed.
Am I miss something? What is use-case to have `Object` indexes?
```
java.lang.AssertionError: id = 1
at org.junit.Assert.fail(Assert.java:88)
at org.junit.Assert.assertTrue(Assert.java:41)
at org.junit.Assert.assertNotNull(Assert.java:712)
at
org.apache.ignite.testframework.junits.JUnitAssertAware.assertNotNull(JUnitAssertAware.java:184)
at
org.apache.ignite.internal.processors.cache.index.BasicIndexTest.testCacheSecondaryCompositeIndex(BasicIndexTest.java:1584)
```
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