{
  safe: (val) => (val != null ? '' + val : ''),
  format_column: (c) => (c.COLUMN_NAME != null ? c.COLUMN_NAME : '?') + ' (' + (c.DATA_TYPE != null ? c.DATA_TYPE : '?') + ')' + (c.COMMENT != null ? (' -- ' + c.COMMENT) : ''),
  format_table: (t) => (t.TABLE_SCHEMA != null ? (t.TABLE_SCHEMA + '.') : '') + (t.TABLE_NAME != null ? t.TABLE_NAME : '?') + (t.TABLE_TYPE != null ? (' [' + t.TABLE_TYPE + ']') : ''),
  format_cortex: (r) => 'Model: ' + (r.model != null ? r.model : '?') + ' Tokens: ' + (r.usage != null && r.usage.total_tokens != null ? '' + r.usage.total_tokens : '?')
}
