MatchTracker (Hive Query Language 4.0.0 API)

```
public final class MatchTracker
extends Object
```
Record which hash table slot entries had key matches for FULL OUTER MapJoin. Supports partitioned match trackers for HybridHashTableContainer.

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`addPartition(int partitionId, int logicalHashBucketCount)`
`static int`	`calculateEstimatedMemorySize(int count)`
`void`	`clearPartition(int partitionId)`
`static MatchTracker`	`create(int logicalHashBucketCount)`
`static MatchTracker`	`createPartitioned(int partitionCount)`
`boolean`	`getIsFirstMatch()`
`boolean`	`getIsPartitioned()`
`MatchTracker`	`getPartition(int partitionId)`
`void`	`trackMatch(int logicalSlotNum)`
`void`	`trackPartitionMatch(int partitionId, int logicalSlotNum)`
`boolean`	`wasMatched(int logicalSlotNum)`
`boolean`	`wasPartitionMatched(int partitionId, int logicalSlotNum)`

public static MatchTracker create(int logicalHashBucketCount)

public static MatchTracker createPartitioned(int partitionCount)

public void addPartition(int partitionId,
                         int logicalHashBucketCount)

public void clearPartition(int partitionId)

public MatchTracker getPartition(int partitionId)

public void trackMatch(int logicalSlotNum)

public void trackPartitionMatch(int partitionId,
                                int logicalSlotNum)

public boolean wasMatched(int logicalSlotNum)

public boolean wasPartitionMatched(int partitionId,
                                   int logicalSlotNum)

public static int calculateEstimatedMemorySize(int count)

Class MatchTracker