Module udfs 

Various UDFs providing DataFusion’s sql parsing with some ClickHouse specific functionality.

self::eval::ClickHouseEval is a sort of ‘escape-hatch’ to allow passing syntax directly to ClickHouse as SQL.

Modules

apply

ScalarUDFImpl for ClickHouseApplyUDF

clickhouse

Custom clickhouse UDF implementation that allows intelligent “pushdown” to execute ClickHouse functions directly on the remote server.

eval

functions

List of functions to create the various ClickHouse-specific UDFs.

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Functions

register_clickhouse_functions

Registers ClickHouse-specific UDFs with the provided SessionContext.