Display Different texts when counting for mysql union query

Display Different texts when counting for mysql union query



I am using below code to get Count of 2 columns - Reattemptdate & Holddate


<?php
$sql = "SELECT employeename, DATE(reattemptdate) as date,
COUNT(*) as count, 0 as Held FROM orders
WHERE DATE(reattemptdate) = CURDATE()
GROUP BY employeename, date

UNION

SELECT employeename, DATE(holddate) as date,
COUNT(*) as count, 1 as Held FROM orders
WHERE DATE(holddate) = CURDATE()
GROUP BY employeename, date
";
$results = $db_handle->runSelectQuery($sql);
$numrowsresult =$results[0]['count'];


foreach ($results as $result)

echo "Reattempt : ".$result['count']."<br>";



I got result as below , In this first 6 values are from reattemptdate column & next 6 are from holddate column , how to display text Hold instead Reattempt in last 6 lines in below image :



enter image description here




1 Answer
1



You could use logic based on your "Held" column:
Eg:


...
foreach ($results as $result)

if ($result['Held']==0)
$header = "Reattemptdate";
else
$header = "holddate";

echo $header.": ".$result['count']."<br>";



Or add an explicit header to your resultset, something like this:


<?php
$sql = "SELECT employeename, DATE(reattemptdate) as date,
COUNT(*) as count, 0 as Held, 'reattemptdate' as header FROM orders
WHERE DATE(reattemptdate) = CURDATE()
GROUP BY employeename, date

UNION

SELECT employeename, DATE(holddate) as date,
COUNT(*) as count, 1 as Held, 'holddate' as header FROM orders
WHERE DATE(holddate) = CURDATE()
GROUP BY employeename, date
";
$results = $db_handle->runSelectQuery($sql);
$numrowsresult =$results[0]['count'];

foreach ($results as $result)

echo $result['header'].": ".$result['count']."<br>";






Thanks for answer, i got Notice: Undefined index: header in echo $result['header'].": ".$result['count']."<br>";

– vickey colors
Sep 11 '18 at 7:21


Notice: Undefined index: header


echo $result['header'].": ".$result['count']."<br>";






Does it help if you change the case of the Header alias in your sql, to be header?

– Sepster
Sep 11 '18 at 7:25



Header


header






Yes, its working now.... as here : prnt.sc/kt04s0 , how to display one reattempt & one hold value in single line , means reattemptdate : 17, holddate :8 in first line, than others in 2nd, 3rd , 4th lines so on..... because basically i should display values according to employeename.....

– vickey colors
Sep 11 '18 at 7:29



one reattempt & one hold value


reattemptdate : 17, holddate :8






i dont want to display reattemptdate & holddate text, i want to display only values..... please help for that....

– vickey colors
Sep 11 '18 at 7:37


reattemptdate


holddate






Hi Vickey, that sounds like you want a JOIN rather than a UNION. UNION combines rows from multiple queries into a set of rows. But you want to combine COLUMNS from multiple queries into a row.

– Sepster
Sep 11 '18 at 7:37



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