| Name | Description | Type | Package | Framework |
| FilterSelectivityEstimator | Class | org.apache.hadoop.hive.ql.optimizer.calcite.stats | Apache Hive | |
| HiveRelMdCollation | Class | org.apache.hadoop.hive.ql.optimizer.calcite.stats | Apache Hive | |
| HiveRelMdDistinctRowCount | Class | org.apache.hadoop.hive.ql.optimizer.calcite.stats | Apache Hive | |
| HiveRelMdDistribution | Class | org.apache.hadoop.hive.ql.optimizer.calcite.stats | Apache Hive | |
| HiveRelMdMemory | Class | org.apache.hadoop.hive.ql.optimizer.calcite.stats | Apache Hive | |
| HiveRelMdParallelism | Class | org.apache.hadoop.hive.ql.optimizer.calcite.stats | Apache Hive | |
| HiveRelMdRowCount | Class | org.apache.hadoop.hive.ql.optimizer.calcite.stats | Apache Hive | |
| HiveRelMdSelectivity | Class | org.apache.hadoop.hive.ql.optimizer.calcite.stats | Apache Hive | |
| HiveRelMdSize | Class | org.apache.hadoop.hive.ql.optimizer.calcite.stats | Apache Hive | |
| HiveRelMdUniqueKeys | Class | org.apache.hadoop.hive.ql.optimizer.calcite.stats | Apache Hive | |