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RussellSpitzer merged 1 commit into from
Apr 22, 2025
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update links to daft docs #12860

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36 changes: 18 additions & 18 deletions docs/docs/daft.md
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Expand Up @@ -22,7 +22,7 @@ title: "Daft"

[Daft](https://www.getdaft.io/) is a distributed query engine written in Python and Rust, two fast-growing ecosystems in the data engineering and machine learning industry.

It exposes its flavor of the familiar [Python DataFrame API](https://www.getdaft.io/projects/docs/en/latest/api_docs/dataframe.html) which is a common abstraction over querying tables of data in the Python data ecosystem.
It exposes its flavor of the familiar [Python DataFrame API](https://www.getdaft.io/projects/docs/en/latest/api/dataframe/) which is a common abstraction over querying tables of data in the Python data ecosystem.

Daft DataFrames are a powerful interface to power use-cases across ML/AI training, batch inference, feature engineering and traditional analytics. Daft's tight integration with Iceberg unlocks novel capabilities for both traditional analytics and Pythonic ML workloads on your data catalog.

Expand Down Expand Up @@ -125,21 +125,21 @@ Daft and Iceberg have compatible type systems. Here are how types are converted
| Iceberg | Daft |
|---------|------|
| **Primitive Types** |
| `boolean` | [`daft.DataType.bool()`](https://www.getdaft.io/projects/docs/en/latest/api_docs/datatype.html#daft.DataType.bool) |
| `int` | [`daft.DataType.int32()`](https://www.getdaft.io/projects/docs/en/latest/api_docs/datatype.html#daft.DataType.int32) |
| `long` | [`daft.DataType.int64()`](https://www.getdaft.io/projects/docs/en/latest/api_docs/datatype.html#daft.DataType.int64) |
| `float` | [`daft.DataType.float32()`](https://www.getdaft.io/projects/docs/en/latest/api_docs/datatype.html#daft.DataType.float32) |
| `double` | [`daft.DataType.float64()`](https://www.getdaft.io/projects/docs/en/latest/api_docs/datatype.html#daft.DataType.float64) |
| `decimal(precision, scale)` | [`daft.DataType.decimal128(precision, scale)`](https://www.getdaft.io/projects/docs/en/latest/api_docs/datatype.html#daft.DataType.decimal128) |
| `date` | [`daft.DataType.date()`](https://www.getdaft.io/projects/docs/en/latest/api_docs/datatype.html#daft.DataType.date) |
| `time` | [`daft.DataType.time(timeunit="us")`](https://www.getdaft.io/projects/docs/en/latest/api_docs/datatype.html#daft.DataType.int64) |
| `timestamp` | [`daft.DataType.timestamp(timeunit="us", timezone=None)`](https://www.getdaft.io/projects/docs/en/latest/api_docs/datatype.html#daft.DataType.timestamp) |
| `timestampz` | [`daft.DataType.timestamp(timeunit="us", timezone="UTC")`](https://www.getdaft.io/projects/docs/en/latest/api_docs/datatype.html#daft.DataType.timestamp) |
| `string` | [`daft.DataType.string()`](https://www.getdaft.io/projects/docs/en/latest/api_docs/datatype.html#daft.DataType.string) |
| `uuid` | [`daft.DataType.binary()`](https://www.getdaft.io/projects/docs/en/latest/api_docs/datatype.html#daft.DataType.binary) |
| `fixed(L)` | [`daft.DataType.binary()`](https://www.getdaft.io/projects/docs/en/latest/api_docs/datatype.html#daft.DataType.binary) |
| `binary` | [`daft.DataType.binary()`](https://www.getdaft.io/projects/docs/en/latest/api_docs/datatype.html#daft.DataType.binary) |
| `boolean` | [`daft.DataType.bool()`](https://www.getdaft.io/projects/docs/en/latest/api/datatypes/#daft.datatype.DataType.bool) |
| `int` | [`daft.DataType.int32()`](https://www.getdaft.io/projects/docs/en/latest/api/datatypes/#daft.datatype.DataType.int32) |
| `long` | [`daft.DataType.int64()`](https://www.getdaft.io/projects/docs/en/latest/api/datatypes/#daft.datatype.DataType.int64) |
| `float` | [`daft.DataType.float32()`](https://www.getdaft.io/projects/docs/en/latest/api/datatypes/#daft.datatype.DataType.float32) |
| `double` | [`daft.DataType.float64()`](https://www.getdaft.io/projects/docs/en/latest/api/datatypes/#daft.datatype.DataType.float64) |
| `decimal(precision, scale)` | [`daft.DataType.decimal128(precision, scale)`](https://www.getdaft.io/projects/docs/en/latest/api/datatypes/#daft.datatype.DataType.decimal128) |
| `date` | [`daft.DataType.date()`](https://www.getdaft.io/projects/docs/en/latest/api/datatypes/#daft.datatype.DataType.date) |
| `time` | [`daft.DataType.time(timeunit="us")`](https://www.getdaft.io/projects/docs/en/latest/api/datatypes/#daft.datatype.DataType.int64) |
| `timestamp` | [`daft.DataType.timestamp(timeunit="us", timezone=None)`](https://www.getdaft.io/projects/docs/en/latest/api/datatypes/#daft.datatype.DataType.timestamp) |
| `timestampz` | [`daft.DataType.timestamp(timeunit="us", timezone="UTC")`](https://www.getdaft.io/projects/docs/en/latest/api/datatypes/#daft.datatype.DataType.timestamp) |
| `string` | [`daft.DataType.string()`](https://www.getdaft.io/projects/docs/en/latest/api/datatypes/#daft.datatype.DataType.string) |
| `uuid` | [`daft.DataType.binary()`](https://www.getdaft.io/projects/docs/en/latest/api/datatypes/#daft.datatype.DataType.binary) |
| `fixed(L)` | [`daft.DataType.binary()`](https://www.getdaft.io/projects/docs/en/latest/api/datatypes/#daft.datatype.DataType.fixed_size_binary) |
| `binary` | [`daft.DataType.binary()`](https://www.getdaft.io/projects/docs/en/latest/api/datatypes/#daft.datatype.DataType.binary) |
| **Nested Types** |
| `struct(**fields)` | [`daft.DataType.struct(**fields)`](https://www.getdaft.io/projects/docs/en/latest/api_docs/datatype.html#daft.DataType.struct) |
| `list(child_type)` | [`daft.DataType.list(child_type)`](https://www.getdaft.io/projects/docs/en/latest/api_docs/datatype.html#daft.DataType.list) |
| `map(K, V)` | [`daft.DataType.map(K, V)`](https://www.getdaft.io/projects/docs/en/latest/api_docs/datatype.html#daft.DataType.map) |
| `struct(**fields)` | [`daft.DataType.struct(**fields)`](https://www.getdaft.io/projects/docs/en/latest/api/datatypes/#daft.datatype.DataType.struct) |

@ebyhr ebyhr Apr 22, 2025

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Why does fields contain leading **? Is it for Python or Rust syntax?

@RussellSpitzer RussellSpitzer Apr 22, 2025

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Python Kwargs - https://book.pythontips.com/en/latest/args_and_kwargs.html#usage-of-kwargs

| `list(child_type)` | [`daft.DataType.list(child_type)`](https://www.getdaft.io/projects/docs/en/latest/api/datatypes/#daft.datatype.DataType.list) |
| `map(K, V)` | [`daft.DataType.map(K, V)`](https://www.getdaft.io/projects/docs/en/latest/api/datatypes/#daft.datatype.DataType.map) |