datafusion-39.0.0
- datafusion 39.0.0
- Permalink
- 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 ^0.16 normal optional
  arrow ^52.0.0 normal
  arrow-array ^52.0.0 normal
  arrow-ipc ^52.0.0 normal
  arrow-schema ^52.0.0 normal
  async-compression ^0.4.0 normal optional
  async-trait ^0.1.73 normal
  bytes ^1.4 normal
  bzip2 ^0.4.3 normal optional
  chrono ^0.4.34 normal
  dashmap ^5.5.0 normal
  datafusion-common ^39.0.0 normal
  datafusion-common-runtime ^39.0.0 normal
  datafusion-execution ^39.0.0 normal
  datafusion-expr ^39.0.0 normal
  datafusion-functions ^39.0.0 normal
  datafusion-functions-aggregate ^39.0.0 normal
  datafusion-functions-array ^39.0.0 normal optional
  datafusion-optimizer ^39.0.0 normal
  datafusion-physical-expr ^39.0.0 normal
  datafusion-physical-expr-common ^39.0.0 normal
  datafusion-physical-plan ^39.0.0 normal
  datafusion-sql ^39.0.0 normal
  flate2 ^1.0.24 normal optional
  futures ^0.3 normal
  glob ^0.3.0 normal
  half ^2.2.1 normal
  hashbrown ^0.14 normal
  indexmap ^2.0.0 normal
  itertools ^0.12 normal
  log ^0.4 normal
  num-traits ^0.2 normal optional
  num_cpus ^1.13.0 normal
  object_store ^0.10.1 normal
  parking_lot ^0.12 normal
  parquet ^52.0.0 normal optional
  paste ^1.0.15 normal
  pin-project-lite ^0.2.7 normal
  rand ^0.8 normal
  sqlparser ^0.47 normal
  tempfile ^3 normal
  tokio ^1.36 normal
  tokio-util ^0.7.4 normal optional
  url ^2.2 normal
  uuid ^1.7 normal
  xz2 ^0.1 normal optional
  zstd ^0.13 normal optional
  arrow-buffer ^52.0.0 dev
  async-trait ^0.1.73 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 ^0.11 dev
  half ^2.2.1 dev
  paste ^1.0 dev
  postgres-protocol ^0.6.4 dev
  postgres-types ^0.2.4 dev
  rand ^0.8 dev
  rand_distr ^0.4.3 dev
  regex ^1.8 dev
  rstest ^0.21.0 dev
  rust_decimal ^1.27.0 dev
  serde_json ^1 dev
  thiserror ^1.0.44 dev
  tokio ^1.36 dev
  tokio-postgres ^0.7.7 dev
  nix ^0.29.0 dev
- Versions
- 100% of the crate is documented
Platform
- i686-unknown-linux-gnu
- x86_64-unknown-linux-gnu
Feature flags

Rust

datafusion39.0.0

In datafusion::functions::unicode::expr_fn

Function datafusion::functions::unicode::expr_fn::left

pub fn left(string: Expr, n: Expr) -> Expr

Expand description

returns the first n characters in the string