HeuristicPrimaryKeyFinder (Geotools modules 31-SNAPSHOT API)

Object
- PrimaryKeyFinder
- - HeuristicPrimaryKeyFinder

```
public class HeuristicPrimaryKeyFinder
extends PrimaryKeyFinder
```
Looks up the primary key using the DatabaseMetaData for the specified table, looking both for primary keys and unique indexes. The sequence lookup is performed in conjuction with the sql dialect

Author:

Andrea Aime - OpenGeo

Field Summary

Fields
Modifier and Type Field Description

protected static Logger LOGGER

Constructor Summary

Constructors
Constructor Description

HeuristicPrimaryKeyFinder()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`PrimaryKey`	`getPrimaryKey(JDBCDataStore store, String databaseSchema, String tableName, Connection cx)`	Returns the `PrimaryKey`, or `null` if a specific type could not be determined (the datastore will fall back on `NullPrimaryKey` in that case.

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

- Field Detail
  - LOGGER
```
protected static final Logger LOGGER
```
- Constructor Detail
  - HeuristicPrimaryKeyFinder
```
public HeuristicPrimaryKeyFinder()
```
- Method Detail
  - getPrimaryKey
```
public PrimaryKey getPrimaryKey(JDBCDataStore store,
                                String databaseSchema,
                                String tableName,
                                Connection cx)
                         throws SQLException
```
    Description copied from class: PrimaryKeyFinder
    
    Returns the PrimaryKey, or null if a specific type could not be determined (the datastore will fall back on NullPrimaryKey in that case. It is advised to return
    
    Specified by:
    
    getPrimaryKey in class PrimaryKeyFinder
    
    Throws:
    
    SQLException