Module datafusion::execution

source ·
Expand description

Shared state for query planning and execution.

Re-exports§

  • pub use crate::datasource::file_format::options;

Modules§

  • cache
  • config
  • context
    SessionContext contains methods for registering data sources and executing queries
  • disk_manager
    Manages files generated during query execution, files are hashed among the directories listed in RuntimeConfig::local_dirs.
  • memory_pool
    MemoryPool for memory management during query execution, [proxy] for help with allocation accounting.
  • object_store
    ObjectStoreRegistry holds all the object stores at Runtime with a scheme for each store. This allows the user to extend DataFusion with different storage systems such as S3 or HDFS and query data inside these systems.
  • registry
    FunctionRegistry trait
  • runtime_env
    Execution RuntimeEnv environment that manages access to object store, memory manager, disk manager.

Structs§

  • DiskManager
    Manages files generated during query execution, e.g. spill files generated while processing dataset larger than available memory.
  • TaskContext
    Task Execution Context

Traits§

Type Aliases§