Module datafusion_physical_expr::utils

Structs

• ExprTreeNode

Functions

• build_dag
• collect_columns
  Recursively extract referenced Columns within a PhysicalExpr.
• expr_list_eq_any_order
  Compare the two expr lists are equal no matter the order. For example two InListExpr can be considered to be equals no matter the order:
• expr_list_eq_strict_order
  Strictly compare the two expr lists are equal in the given order.
• normalize_expr_with_equivalence_properties
• normalize_out_expr_with_alias_schema
  Normalize the output expressions based on Alias Map and SchemaRef.
• normalize_sort_expr_with_equivalence_properties
• ordering_satisfy
  Checks whether given ordering requirements are satisfied by provided PhysicalSortExprs.
• ordering_satisfy_concrete
• reassign_predicate_columns
  Re-assign column indices referenced in predicate according to given schema. This may be helpful when dealing with projections.
• sort_expr_list_eq_strict_order
  Strictly compare the two sort expr lists in the given order.
• split_conjunction
  Assume the predicate is in the form of CNF, split the predicate to a Vec of PhysicalExprs.