Module polars_core::prelude::stringcache

Available on crate feature dtype-categorical only.

Structs

• IUseStringCache
  RAII for the string cache If an operation creates categoricals and uses them in a join or comparison that operation must hold this cache via let handle = IUseStringCache::hold() The cache is valid until handle is dropped.

Functions

• enable_string_cache
  Use a global string cache for the Categorical Types.
• reset_string_cache
  Reset the global string cache used for the Categorical Types.
• using_string_cache
  Check if string cache is set.
• with_string_cache