Module datafusion_expr::expr

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Expand description

Expr module contains core type definition for Expr.

Structs

AggregateFunction
Aggregate function
Between
BETWEEN expression
BinaryExpr
Binary expression
Case
CASE expression
Cast
Cast expression
GetIndexedField
Returns the field of a [arrow::array::ListArray] or [arrow::array::StructArray] by key
Like
LIKE expression
Sort
SORT expression
TryCast
TryCast Expression
WindowFunction
Window function

Enums

Expr
Expr is a central struct of DataFusion’s query API, and represent logical expressions such as A + 1, or CAST(c1 AS int).
GroupingSet
Grouping sets See https://www.postgresql.org/docs/current/queries-table-expressions.html#QUERIES-GROUPING-SETS for Postgres definition. See https://spark.apache.org/docs/latest/sql-ref-syntax-qry-select-groupby.html for Apache Spark definition.