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nom parser instead of ad-hoc in examples #20122

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9cd4a45
nom parser instead of ad-hoc in examples
cj-zhukov Feb 3, 2026
f0e76ae
fix typo and add Cargo.lock
cj-zhukov Feb 3, 2026
9314c5d
fix extra symbols () in desc
cj-zhukov Feb 3, 2026
6a7c67d
fix trim in parser and cargo clippy
cj-zhukov Feb 3, 2026
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10 changes: 10 additions & 0 deletions Cargo.lock
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1 change: 1 addition & 0 deletions datafusion-examples/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,7 @@ arrow = { workspace = true }
arrow-schema = { workspace = true }
datafusion = { workspace = true, default-features = true, features = ["parquet_encryption"] }
datafusion-common = { workspace = true }
nom = "8.0.0"
tempfile = { workspace = true }
tokio = { workspace = true, features = ["rt-multi-thread", "parking_lot", "fs"] }

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20 changes: 10 additions & 10 deletions datafusion-examples/README.md
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Expand Up @@ -207,13 +207,13 @@ cargo run --example dataframe -- dataframe

#### Category: Single Process

| Subcommand | File Path | Description |
| ---------- | ------------------------------------------------------- | ----------------------------------------------- |
| adv_udaf | [`udf/advanced_udaf.rs`](examples/udf/advanced_udaf.rs) | Advanced User Defined Aggregate Function (UDAF) |
| adv_udf | [`udf/advanced_udf.rs`](examples/udf/advanced_udf.rs) | Advanced User Defined Scalar Function (UDF) |
| adv_udwf | [`udf/advanced_udwf.rs`](examples/udf/advanced_udwf.rs) | Advanced User Defined Window Function (UDWF) |
| async_udf | [`udf/async_udf.rs`](examples/udf/async_udf.rs) | Asynchronous User Defined Scalar Function |
| udaf | [`udf/simple_udaf.rs`](examples/udf/simple_udaf.rs) | Simple UDAF example |
| udf | [`udf/simple_udf.rs`](examples/udf/simple_udf.rs) | Simple UDF example |
| udtf | [`udf/simple_udtf.rs`](examples/udf/simple_udtf.rs) | Simple UDTF example |
| udwf | [`udf/simple_udwf.rs`](examples/udf/simple_udwf.rs) | Simple UDWF example |
| Subcommand | File Path | Description |
| ---------- | ------------------------------------------------------- | --------------------------------------------- |
| adv_udaf | [`udf/advanced_udaf.rs`](examples/udf/advanced_udaf.rs) | Advanced User Defined Aggregate Function UDAF |
| adv_udf | [`udf/advanced_udf.rs`](examples/udf/advanced_udf.rs) | Advanced User Defined Scalar Function UDF |
| adv_udwf | [`udf/advanced_udwf.rs`](examples/udf/advanced_udwf.rs) | Advanced User Defined Window Function UDWF |
| async_udf | [`udf/async_udf.rs`](examples/udf/async_udf.rs) | Asynchronous User Defined Scalar Function |
| udaf | [`udf/simple_udaf.rs`](examples/udf/simple_udaf.rs) | Simple UDAF example |
| udf | [`udf/simple_udf.rs`](examples/udf/simple_udf.rs) | Simple UDF example |
| udtf | [`udf/simple_udtf.rs`](examples/udf/simple_udtf.rs) | Simple UDTF example |
| udwf | [`udf/simple_udwf.rs`](examples/udf/simple_udwf.rs) | Simple UDWF example |
6 changes: 3 additions & 3 deletions datafusion-examples/examples/udf/main.rs
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Expand Up @@ -28,13 +28,13 @@
//! - `all` — run all examples included in this module
//!
//! - `adv_udaf`
//! (file: advanced_udaf.rs, desc: Advanced User Defined Aggregate Function (UDAF))
//! (file: advanced_udaf.rs, desc: Advanced User Defined Aggregate Function UDAF)
//!
//! - `adv_udf`
//! (file: advanced_udf.rs, desc: Advanced User Defined Scalar Function (UDF))
//! (file: advanced_udf.rs, desc: Advanced User Defined Scalar Function UDF)
//!
//! - `adv_udwf`
//! (file: advanced_udwf.rs, desc: Advanced User Defined Window Function (UDWF))
//! (file: advanced_udwf.rs, desc: Advanced User Defined Window Function UDWF)
//!
//! - `async_udf`
//! (file: async_udf.rs, desc: Asynchronous User Defined Scalar Function)
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