Re: Fix \crosstabview to honor \pset display_true/display_false

Hello,

On 2026-Jun-26, Chao Li wrote:

> I didn’t take this part from your proposal, so an empty cell still shows nothing:
> ```
> @@ -442,7 +421,7 @@ printCrosstab(const PGresult *result,
> 	for (i = 0; i < cont.cellsadded; i++)
> 	{
> 		if (cont.cells[i] == NULL)
> -			cont.cells[i] = "";
> +			cont.cells[i] = printDisplayValue(&popt, InvalidOid, NULL, "");
> 	}
> ```

Yeah, this particular hunk wasn't intended for commit, so leaving it out
was the right thing to do.

> Your proposed test has NULL in the row and column headers, but not in
> the value column. I added a NULL value too, so the test case
> explicitly demonstrates the display difference between a NULL value
> and an empty cell.

Yeah, that's perfect, thanks.

> PFA v4: addressed Álvaro's comments.

Pushed now, thanks.

-- 
Álvaro Herrera         PostgreSQL Developer  —  https://www.EnterpriseDB.com/