---
warning: DO NOT CHANGE THIS MANUALLY, THIS IS GENERATED BY https://github.com/duckdb/community-extensions repository, check README there
title: mpduck
excerpt: |
  DuckDB Community Extensions
  Read and write FIS Prophet files (.rpt, .prn, .fac)

extension:
  name: mpduck
  description: Read and write FIS Prophet files (.rpt, .prn, .fac)
  version: 1.0.0
  language: C++
  build: cmake
  license: MIT
  maintainers:
    - MatthewMooreZA

repo:
  github: MatthewMooreZA/mpduck
  andium: fca5bd23355a269e00d259607fb3f0d9505b7ca1
  ref: 162fb299afd7ff370dc56b2efc6ca1e200df9537
  variegata: 162fb299afd7ff370dc56b2efc6ca1e200df9537

docs:
  hello_world: |
    INSTALL mpduck;
    LOAD mpduck;

    -- Query a single FIS Prophet file directly by extension
    SELECT * FROM 'model_points.rpt';
    SELECT * FROM 'model_points.prn';
    SELECT * FROM 'model_points.fac';

    -- Use glob patterns directly in FROM
    SELECT * FROM 'data/*.rpt';

    -- Use read_mpfile() explicitly for a single file or glob
    SELECT * FROM read_mpfile('model_points.rpt');
    SELECT * FROM read_mpfile('data/*.rpt');

    -- Combine files whose columns or types differ
    SELECT * FROM read_mpfile('data/*.rpt', union_by_name = true);

    -- Read multiple files or globs with read_mpfile()
    SELECT * FROM read_mpfile(['mp_2024.rpt', 'mp_2025.rpt']);
    SELECT * FROM read_mpfile(['region_a*.rpt', 'region_b*.rpt']);

    -- Export data to FIS Prophet format (format auto-detected from extension)
    COPY (SELECT * FROM my_table) TO 'output.rpt';
    COPY (SELECT * FROM my_table) TO 'output.prn';
    COPY (SELECT * FROM my_table) TO 'output.fac';

    -- Export with explicit format
    COPY (SELECT * FROM my_table) TO 'output.rpt' (FORMAT mpfile);

    -- Embed key-value metadata at the top of the output file
    COPY (SELECT * FROM my_table) TO 'output.rpt' (
        KV_METADATA {run_date: '2024-01-01', version: '1.0'}
    );

    -- Omit the VARIABLE_TYPES schema row
    COPY (SELECT * FROM my_table) TO 'output.rpt' (INCLUDE_TYPES false);

  extended_description: |
    mpduck is a DuckDB extension for reading and writing FIS Prophet files in
    `.rpt`, `.prn`, and `.fac` formats, enabling data interchange for actuarial workflows.

extension_star_count: 1
extension_star_count_pretty: 1
extension_download_count: 594
extension_download_count_pretty: 594
image: '/images/community_extensions/social_preview/preview_community_extension_mpduck.png'
layout: community_extension_doc
---
### Compatibility Matrix

This table covers all DuckDB releases that have not reached [end-of-life](https://duckdb.org/release_calendar), including LTS releases, and shows the 2 most recent patch releases of each. Older patch releases are not listed, but the extension may be available for them as well.

<div class="extension_compatibility_table"></div>

| Platform | 1.4.4 | 1.4.5 | 1.5.5 | 1.5.6 | 2.0.0 |
| :--- | :---: | :---: | :---: | :---: | :---: |
| Linux AMD64 | ❌ | ❌ | ❌ | ❌ | ✅ |
| Linux ARM64 | ❌ | ❌ | ❌ | ❌ | ✅ |
| macOS AMD64 | ❌ | ❌ | ❌ | ❌ | ❌ |
| macOS ARM64 | ❌ | ❌ | ❌ | ❌ | ✅ |
| Windows AMD64 | ❌ | ❌ | ❌ | ❌ | ✅ |
| Windows ARM64 | ❌ | ❌ | ❌ | ❌ | ❌ |
| WebAssembly | ❌ | ❌ | ❌ | ❌ | ✅ |

### Installing and Loading
```sql
INSTALL {{ page.extension.name }} FROM community;
LOAD {{ page.extension.name }};
```

{% if page.docs.hello_world %}
### Example
```sql
{{ page.docs.hello_world }}```
{% endif %}

{% if page.docs.extended_description %}
### About {{ page.extension.name }}
{{ page.docs.extended_description }}
{% endif %}
### Added Functions

<div class="extension_functions_table"></div>

| function_name | function_type | description | comment | examples |
|---------------|---------------|-------------|---------|----------|
| read_mpfile   | table         | NULL        | NULL    |          |

### Overloaded Functions

<div class="extension_functions_table"></div>

This extension does not add any function overloads.

### Added Types

<div class="extension_types_table"></div>

This extension does not add any types.

### Added Settings

<div class="extension_settings_table"></div>

|      name      |                       description                       | input_type | scope  | aliases | typed_value |
|----------------|---------------------------------------------------------|------------|--------|---------|-------------|
| temp_directory | Set the directory to which temporary files are written. | VARCHAR    | GLOBAL | []      | post.db.tmp |