Function compute_all_files_statistics 

pub fn compute_all_files_statistics(
    file_groups: Vec<FileGroup>,
    table_schema: SchemaRef,
    collect_stats: bool,
    inexact_stats: bool,
) -> Result<(Vec<FileGroup>, Statistics)>

Computes statistics for all files across multiple file groups.

This function:

1. Computes statistics for each individual file group
2. Summary statistics across all file groups
3. Optionally marks statistics as inexact

Parameters

• file_groups - Vector of file groups to process
• table_schema - Schema of the table
• collect_stats - Whether to collect statistics
• inexact_stats - Whether to mark the resulting statistics as inexact

Returns

A tuple containing:

• The processed file groups with their individual statistics attached
• The summary statistics across all file groups, aka all files summary statistics