Module 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

• add_group_by_exprs_from_dependencies
  Add additional “synthetic” group by expressions based on functional dependencies.
• build_join_schema
  Creates a schema for a join operation. The fields from the left side are first
• change_redundant_column
• get_struct_unnested_columns
• get_unnested_columns
• project
  Create Projection
• 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_filter_and_fetch
  Create a LogicalPlanBuilder representing a scan of a table with the provided name and schema, filters, and inlined fetch. 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 LogicalPlans.
• unnest
  Create a LogicalPlan::Unnest plan
• unnest_with_options
  Create a LogicalPlan::Unnest plan with options This function receive a list of columns to be unnested because multiple unnest can be performed on the same column (e.g unnest with different depth) The new schema will contains post-unnest fields replacing the original field
• validate_unique_names
  Errors if one or more expressions have equal names.
• wrap_projection_for_join_if_necessary
  Wrap projection for a plan, if the join keys contains normal expression.