impl_column_type_functions

api::helper

Macro impl_column_type_functions 

Source 
macro_rules! impl_column_type_functions {
    ($($Type: ident), +) => { ... };
}
Expand description

This macro is used to generate datatype functions with lower style for ColumnDataTypeWrapper.

For example: we can use ColumnDataTypeWrapper::int8_datatype(), to get a ColumnDataTypeWrapper with datatype ColumnDataType::Int8.