Function insert_rows_backup_row 

pub fn insert_rows_backup_row(
    audit: &Option<Arc<AuditDb>>,
    ts: &str,
    connection_name: &str,
    database: Option<&str>,
    table: &str,
    kind: &str,
    rows_json: Option<&str>,
    schema_sql: Option<&str>,
    row_count: u64,
    truncated: bool,
    bytes: u64,
) -> Result<i64>

Insert a rows/combined backup row (used by the MySQL path).