PartitionTableModel (Ignite 2.17.0)

java.lang.Object
- org.apache.ignite.internal.sql.optimizer.affinity.PartitionTableModel

```
public class PartitionTableModel
extends Object
```
Partition join model. Describes how tables are joined with each other.

Field Summary

Fields
Modifier and Type Field Description

static int GRP_NONE
Join group which could not be applied (e.g. for "ALL" case).

Constructor Summary

Constructors
Constructor Description

PartitionTableModel()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addExcludedTable(String alias)`	Add excluded table
`void`	`addJoin(PartitionJoinCondition cond)`	Add equi-join condition.
`void`	`addTable(PartitionTable tbl, PartitionTableAffinityDescriptor aff)`	Add table.
`@Nullable PartitionTableAffinityDescriptor`	`joinGroupAffinity(int grpId)`	Get affinity descriptor for the group.
`@Nullable PartitionTable`	`table(String alias)`	Get table by alias.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - GRP_NONE
```
public static final int GRP_NONE
```
    Join group which could not be applied (e.g. for "ALL" case).
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - PartitionTableModel
```
public PartitionTableModel()
```
- Method Detail
  - addTable
```
public void addTable(PartitionTable tbl,
                     PartitionTableAffinityDescriptor aff)
```
    Add table.
    
    Parameters:
    
    tbl - Table.
    
    aff - Affinity descriptor.
  - table
```
@Nullable
public @Nullable PartitionTable table(String alias)
```
    Get table by alias.
    
    Parameters:
    
    alias - Alias.
    
    Returns:
    
    Table or null if it cannot be used for partition pruning.
  - addExcludedTable
```
public void addExcludedTable(String alias)
```
    Add excluded table
    
    Parameters:
    
    alias - Alias.
  - addJoin
```
public void addJoin(PartitionJoinCondition cond)
```
    Add equi-join condition. Two joined tables may possibly be merged into a single group.
    
    Parameters:
    
    cond - Condition.
  - joinGroupAffinity
```
@Nullable
public @Nullable PartitionTableAffinityDescriptor joinGroupAffinity(int grpId)
```
    Get affinity descriptor for the group.
    
    Parameters:
    
    grpId - Group ID.
    
    Returns:
    
    Affinity descriptor or null if there is no affinity descriptor (e.g. for "NONE" result).