Module datafusion_expr::expr
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Expr module contains core type definition for Expr.
Enums
Expr is a central struct of DataFusion’s query API, and
represent logical expressions such as A + 1, or CAST(c1 AS int).
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.