Module udfs

Module udfs 

Source
Expand description

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.