Module datafusion::execution

DataFusion query execution

Modules

aggregate	Execution of a simple aggregate relation containing MIN, MAX, COUNT, SUM aggregate functions with optional GROUP BY columns
context	ExecutionContext contains methods for registering data sources and executing SQL queries
expression	Runtime expression support
filter	Execution of a filter (predicate) relation. The SQL clause WHERE expr represents a filter.
limit	Limit relation, to limit the number of rows returned by a relation
projection	Defines the projection relation. A projection determines which columns or expressions are returned from a query. The SQL statement SELECT a, b, a+b FROM t1 is an example of a projection on table t1 where the expressions a, b, and a+b are the projection expressions.
relation	A relation is a representation of a set of tuples. A database table is a type of relation. During query execution, each operation on a relation (such as projection, selection, aggregation) results in a new relation.
table_impl	Implementation of Table API