Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /home/zhenxiangba/zhenxiangba.com/public_html/phproxy-improved-master/index.php on line 456
datafusion::functions_aggregate::expr_fn - Rust

Module datafusion::functions_aggregate::expr_fn

Expand description

Fluent-style API for creating Exprs

Functions§

covar_samp
Computes the sample covariance.
first_value
Returns the first value in a group of values.