Module datafusion::prelude [−][src]
A “prelude” for users of the datafusion crate.
Like the standard library’s prelude, this module simplifies importing of common items. Unlike the standard prelude, the contents of this module must be imported manually:
use datafusion::prelude::*;
Re-exports
pub use crate::dataframe::DataFrame; | |
pub use crate::execution::context::ExecutionConfig; | |
pub use crate::execution::context::ExecutionContext; | |
pub use crate::physical_plan::csv::CsvReadOptions; |
Enums
| JoinType | Join type |
| Partitioning | Logical partitioning schemes supported by the repartition operator. |
Functions
| array | returns an array of fixed size with each argument on it. |
| ascii | |
| avg | Create an expression to represent the avg() aggregate function |
| bit_length | |
| btrim | |
| character_length | |
| chr | |
| col | Create a column expression based on a column name |
| concat | |
| concat_ws | |
| count | Create an expression to represent the count() aggregate function |
| create_udf | Creates a new UDF with a specific signature and specific return type.
This is a helper function to create a new UDF.
The function |
| in_list | Create an in_list expression |
| initcap | |
| left | |
| length | |
| lit | Create a literal expression |
| lower | |
| lpad | |
| ltrim | |
| max | Create an expression to represent the max() aggregate function |
| md5 | |
| min | Create an expression to represent the min() aggregate function |
| octet_length | |
| regexp_replace | |
| repeat | |
| replace | |
| reverse | |
| right | |
| rpad | |
| rtrim | |
| sha224 | |
| sha256 | |
| sha384 | |
| sha512 | |
| split_part | |
| starts_with | |
| strpos | |
| substr | |
| sum | Create an expression to represent the sum() aggregate function |
| to_hex | |
| translate | |
| trim | |
| upper |