Module planner

ContextProvider and ExprPlanner APIs to customize SQL query planning

Structs

• RawBinaryExpr
  An operator with two arguments to plan
• RawDictionaryExpr
  A Dictionary literal expression { key: value, ...}
• RawFieldAccessExpr
  An expression with GetFieldAccess to plan

Enums

• PlannerResult
  Result of planning a raw expr with ExprPlanner

Traits

• ContextProvider
  Provides the SQL query planner meta-data about tables and functions referenced in SQL statements, without a direct dependency on other DataFusion structures
• ExprPlanner
  This trait allows users to customize the behavior of the SQL planner