Module adapter 

Structs

DfTableProviderAdapter

Adapt greptime’s TableRef to DataFusion’s [TableProvider].

Functions

dictionary_encode_string_columns

Returns a schema that dictionary encodes selected UTF-8 columns.

is_scan_local 🔒

Returns true if the expression can be safely evaluated by a remote scan. Rejects outer references and column references unknown to the schema.

supports_pk_dictionary_encoding

Returns whether the engine can expose its primary-key strings as dictionaries during scans.