message: fix: show question mark icon when can not infer datatype
diff: @@ -23,7 +23,7 @@ export type ColumnTypeLabelProps = {
  };
  export function ColumnTypeLabel({ type }: ColumnTypeLabelProps) {
  - let stringIcon = '';
  + let stringIcon;
  if (typeof type !== 'string') {
  stringIcon = '?';
  } else if (type === '' || type === 'expression') {
  @@ -38,7 +38,7 @@ export function ColumnTypeLabel({ type }: ColumnTypeLabelProps) {
  stringIcon = 'T/F';
  } else if (type.match(/.*time.*/i)) {
  stringIcon = 'time';
  - } else if (type.match(/unknown/i)) {
  + } else {
  stringIcon = '?';
  }
  