datafusion-28.0.0
- datafusion 28.0.0
- Docs.rs crate page
- Apache-2.0
- Links
- Homepage
- Repository
- crates.io
- Source
- Owners
- andygrove
- kou
- kszucs
- nevi-me
- alamb
- Dependencies
- ahash ^0.8 normal
  apache-avro ^0.14 normal
  arrow ^43.0.0 normal
  arrow-array ^43.0.0 normal
  arrow-schema ^43.0.0 normal
  async-compression ^0.4.0 normal
  async-trait ^0.1.41 normal
  bytes ^1.4 normal
  bzip2 ^0.4.3 normal
  chrono ^0.4.23 normal
  dashmap ^5.4.0 normal
  datafusion-common ^28.0.0 normal
  datafusion-execution ^28.0.0 normal
  datafusion-expr ^28.0.0 normal
  datafusion-optimizer ^28.0.0 normal
  datafusion-physical-expr ^28.0.0 normal
  datafusion-sql ^28.0.0 normal
  flate2 ^1.0.24 normal
  futures ^0.3 normal
  glob ^0.3.0 normal
  half ^2.1 normal
  hashbrown ^0.14 normal
  indexmap ^2.0.0 normal
  itertools ^0.11 normal
  lazy_static ^1.4.0 normal
  log ^0.4 normal
  num-traits ^0.2 normal
  num_cpus ^1.13.0 normal
  object_store ^0.6.1 normal
  parking_lot ^0.12 normal
  parquet ^43.0.0 normal
  percent-encoding ^2.2.0 normal
  pin-project-lite ^0.2.7 normal
  rand ^0.8 normal
  smallvec ^1.6 normal
  sqlparser ^0.35 normal
  tempfile ^3 normal
  tokio ^1.0 normal
  tokio-util ^0.7.4 normal
  url ^2.2 normal
  uuid ^1.0 normal
  xz2 ^0.1 normal
  zstd ^0.12 normal
  async-trait ^0.1.53 dev
  bigdecimal ^0.4.1 dev
  criterion ^0.5 dev
  csv ^1.1.6 dev
  ctor ^0.2.0 dev
  doc-comment ^0.3 dev
  env_logger ^0.10 dev
  half ^2.2.1 dev
  postgres-protocol ^0.6.4 dev
  postgres-types ^0.2.4 dev
  regex ^1.5.4 dev
  rstest ^0.18.0 dev
  rust_decimal ^1.27.0 dev
  sqllogictest ^0.15.0 dev
  thiserror ^1.0.37 dev
  tokio-postgres ^0.7.7 dev
  nix ^0.26.1 dev
- Versions
- 100% of the crate is documented
Go to latest version
Platform
- i686-unknown-linux-gnu
- x86_64-unknown-linux-gnu
Feature flags

Rust

In datafusion::prelude

Function datafusion::prelude::is_unknown

pub fn is_unknown(expr: Expr) -> Expr

Expand description

Create is unknown expression