Module datafusion_expr::logical_plan::builder

This module provides a builder for creating LogicalPlans

Structs

• LogicalPlanBuilder
  Builder for logical plans
• LogicalTableSource
  Basic TableSource implementation intended for use in tests and documentation. It is expected that users will provide their own TableSource implementations or use DataFusion’s DefaultTableSource.

Constants

• UNNAMED_TABLE
  Default table name for unnamed table

Functions

• build_join_schema
  Creates a schema for a join operation. The fields from the left side are first
• change_redundant_column
• get_unnested_columns
• project
  Create Projection
• project_with_column_index
• subquery_alias
  Create a SubqueryAlias to wrap a LogicalPlan.
• table_scan
  Create a LogicalPlanBuilder representing a scan of a table with the provided name and schema. This is mostly used for testing and documentation.
• table_scan_with_filters
  Create a LogicalPlanBuilder representing a scan of a table with the provided name and schema, and inlined filters. This is mostly used for testing and documentation.
• union
  Union two logical plans.
• unnest
  Create a LogicalPlan::Unnest plan
• unnest_with_options
  Create a LogicalPlan::Unnest plan with options
• wrap_projection_for_join_if_necessary
  Wrap projection for a plan, if the join keys contains normal expression.