---
warning: DO NOT CHANGE THIS MANUALLY, THIS IS GENERATED BY https://github.com/duckdb/community-extensions repository, check README there
title: gdx
excerpt: |
  DuckDB Community Extensions
  Read GAMS GDX files directly into DuckDB

extension:
  name: gdx
  description: Read GAMS GDX files directly into DuckDB
  version: 0.1.0
  language: C++
  build: cmake
  license: MIT
  maintainers:
    - chrispahm
  # Exclude platforms that don't build due to C++17/std::byte conflicts
  excluded_platforms: "linux_arm64;linux_amd64_musl;windows_amd64_mingw"

repo:
  github: chrispahm/duckdb-gdx
  ref: 23ae8f1e130ab0cad03d8d0edabd52aba9265979

docs:
  hello_world: |
    SELECT * FROM read_gdx('transport.gdx', 'demand');
  extended_description: |
    Read GAMS GDX (General Algebraic Modeling System Data Exchange) files
    directly in DuckDB. For more information, see the
    [documentation](https://github.com/chrispahm/duckdb-gdx).
extension_star_count: 1
extension_star_count_pretty: 1
extension_download_count: 633
extension_download_count_pretty: 633
image: '/images/community_extensions/social_preview/preview_community_extension_gdx.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 |
|-------------------|---------------|-------------|---------|----------|
| gdx_domain_values | table         | NULL        | NULL    |          |
| gdx_preload       | pragma        | NULL        | NULL    |          |
| gdx_symbols       | table         | NULL        | NULL    |          |
| read_gdx          | 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>

This extension does not add any settings.