datafusion-expr-42.1.0
- datafusion-expr 42.1.0
- Docs.rs crate page
- Apache-2.0
- Links
- Homepage
- Repository
- crates.io
- Source
- Owners
- andygrove
- kou
- nevi-me
- alamb
- xudong963
- Dependencies
- ahash ^0.8 normal
  arrow ^53.1.0 normal
  arrow-array ^53.1.0 normal
  arrow-buffer ^53.1.0 normal
  chrono ^0.4.34 normal
  datafusion-common ^42.1.0 normal
  datafusion-expr-common ^42.1.0 normal
  datafusion-functions-aggregate-common ^42.1.0 normal
  datafusion-physical-expr-common ^42.1.0 normal
  paste ^1.0 normal
  serde_json ^1 normal
  sqlparser ^0.50.0 normal
  strum ^0.26.1 normal
  strum_macros ^0.26.0 normal
  ctor ^0.2.0 dev
  env_logger ^0.11 dev
- Versions
- 84.18% of the crate is documented
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docs.rs

Rust

datafusion_expr42.1.0

In datafusion_expr::expr_fn

datafusion_expr::expr_fn

Function is_unknown

pub fn is_unknown(expr: Expr) -> Expr

Expand description

Create is unknown expression