# Class Extensions

OptimaJet.Workflow.SQLite.Extensions

Extension methods for SQLite exception handling.

Namespace: [OptimaJet.Workflow.SQLite](https://api.workflowengine.io/sqlite/OptimaJet.Workflow.SQLite/)

```csharp
public static class Extensions
```

## Methods

`public static PersistenceProviderQueryException ToQueryException(this Exception exception, bool suppressRetry = false)` 

Converts an exception to a PersistenceProviderQueryException, preserving retry information if the original exception is already a PersistenceProviderQueryException.

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `exception` | `Exception` | The exception to convert. |
| `suppressRetry` | `Boolean` | If set to `true`, the resulting exception will not allow retry. |

### Returns

| Type | Description |
| --- | --- |
| `PersistenceProviderQueryException` | A PersistenceProviderQueryException wrapping the original exception. |

`public static bool IsDuplicateKeyException(this PersistenceProviderQueryException exception)` 

Determines whether the specified PersistenceProviderQueryException is caused by a duplicate key violation.

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `exception` | `PersistenceProviderQueryException` | The exception to check. |

### Returns

| Type | Description |
| --- | --- |
| `Boolean` | `true` if the inner exception is a SQLite duplicate key error (error code 19); otherwise, `false`. |

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