Module datafusion::execution::context

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Expand description

SessionContext contains methods for registering data sources and executing queries

Structs

  • ExecutionProps
    Holds per-query execution properties and data (such as statment starting timestamps).
  • SessionConfig
    Configuration options for Execution context
  • SessionContext
    Main interface for executing queries with DataFusion. Maintains the state of the connection between a user and an instance of the DataFusion engine.
  • SessionState
    Execution context for registering data sources and executing queries
  • TaskContext
    Task Execution Context

Traits

  • DataFilePaths
    DataFilePaths adds a method to convert strings and vector of strings to vector of ListingTableUrl URLs. This allows methods such SessionContext::read_csv and [SessionContext::read_avro`] to take either a single file or multiple files.
  • QueryPlanner
    A planner used to add extensions to DataFusion logical and physical plans.

Functions