---
title: "system.db.clearQueryCache"
description: "Clears the cache for a Named Query in a project."
---

# system.db.clearQueryCache

> Clears the cache for a Named Query in a project.

This function is used in **Python Scripting**.

## Description

This clears the caches for specified Named Queries in a project, or all Named Queries if no arguments are provided. 

## Client Permission Restrictions

This scripting function has no [Client Permission](ignition-modules\vision\vision-project-properties\vision-project-properties.md#vision-permissions-properties) restrictions.

## Syntax

`system.db.clearQueryCache(project, path)`

### Parameters

Type | Parameter | Description 
------- | ------- | -----
String | `project` | The project that contains the named query whose cache needs to be cleared. An error will be thrown if no local project is found.
String | `path` | The path to the named query whose cache needs to be cleared.

### Returns
Nothing

### Scope
Gateway, Vision Client, Perspective Session

## Code Examples

```python title="Clear a Named Query Cache within a Project"
projectName = "myProject"
namedQueryPath = "folder/selectFromInventory"
 
system.db.clearQueryCache(projectName, namedQueryPath)
```

```python title="Clear All Named Query Caches"
# Clear all of the Named Query caches from the default project. 
# Note that this includes caches generated from elsewhere on the Gateway.

system.db.clearQueryCache()
```