array pq\Result::fetchAllCols([int $col = 0])

Fetch all rows of a single column.

Params:

Returns:

Throws:

Example:

<?php

/* Of the following result set:

				id | name
				---|------
				 1 | ann
				 2 | barb 
				 3 | john 
				 4 | mike 
				
*/

$result->fetchAllCols(0);	/* 	this call would fetch:
								array(4) {
									int(1),
									int(2),
									int(3),
									int(4)
								}
							*/
							
$result->fetchAllCols("name");	/* 	this call would fetch:
									array(4) {
										string(3) "ann",
										string(4) "barb",
										string(4) "john",
										string(4) "mike"
									}
								*/