libduckdb_sys

Function duckdb_init_get_column_index

Source 
pub unsafe extern "C" fn duckdb_init_get_column_index(
    info: duckdb_init_info,
    column_index: idx_t,
) -> idx_t
Expand description

Returns the column index of the projected column at the specified position.

This function must be used if projection pushdown is enabled to figure out which columns to emit.

@param info The info object @param column_index The index at which to get the projected column index, from 0..duckdb_init_get_column_count(info) @return The column index of the projected column.