Function line_col_to_offset 

pub fn line_col_to_offset(
    sql: &str,
    line: usize,
    column: usize,
) -> Option<usize>

Calculates the byte offset for a given line and column in SQL text.

This is useful for converting line:column positions (from parse errors) to byte offsets for the Span type.

Arguments

• sql - The SQL source text
• line - Line number (1-indexed)
• column - Column number (1-indexed)