tkalkirill commented on code in PR #12926:
URL: https://github.com/apache/ignite/pull/12926#discussion_r3026361820
##########
modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/schema/SchemaHolderImpl.java:
##########
@@ -301,12 +311,22 @@ private static Object
affinityIdentity(CacheConfiguration<?, ?> ccfg) {
IndexDescriptor idxDesc
) {
IgniteCacheTable tbl = table(schemaName, tblName);
- assert tbl != null;
+ assert tbl != null : String.format("schemaName=%s, tableName=%s,
idxName=%s", schemaName, tblName, idxName);
RelCollation idxCollation = deriveSecondaryIndexCollation(idxDesc,
tbl);
IgniteIndex idx = new CacheIndexImpl(idxCollation, idxName,
idxDesc.index(), tbl);
tbl.addIndex(idx);
+
+ // For a composite PK index, we need to create another proxy index
that will expand the passed boundaries into
+ // index keys for BinaryObject/Key classes. That is, _key ->
idx_field_0, idx_field_1, etc.
+ if (idxDesc.isPk() && idxDesc.isComposite()) {
+ RelCollation keyFieldCollation = deriveKeyFieldIndexCollation(tbl);
Review Comment:
Okay, but if I replace it with `RelCollations.EMPTY`, I don't see the index
being used in tests at all.
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