Skip to main content

Mysql : Rollup command ..last row of the result will show the total of sum and count function

Rollup command ..last row of the result will show the total of sum and count function


SELECT month,sum(star),sum(rating),count(*) FROM `rolluptest` group by month with rollup


+-------+-----------+-------------+----------+
| month | sum(star) | sum(rating) | count(*) |
+-------+-----------+-------------+----------+
| Feb   |        19 |           4 |        3 |
| Jan   |         9 |           4 |        2 |
| Mar   |         1 |           3 |        1 |
| NULL  |        29 |          11 |        6 |
+-------+-----------+-------------+----------+

Comments

Popular posts from this blog

Reading Large JSON file through PHP Script

 <?php /* cat mexico.geojson | wc sed ':a;N;$!ba;s/\n/ /g' mexico.geojson  > mexico.geojson_out1 cat mexico.geojson_out1 | wc http://localhost/Utility/cord/largefile.php?filename=mexico.geojson_out1 sed -E 's/\{ "type": "FeatureCollection", "name": "mexico_administrative_osm_province_boundaries", "crs": \{ "type": "name", "properties": \{ "name": "urn:ogc:def:crs:OGC:1.3:CRS84" \} \}, "features": \[//g' ./mexico.geojson_out1  > mexico.geojson_out2 http://localhost/Utility/cord/largefile.php?filename=mexico.geojson_out2 sed -E 's/(\[|\{|\}|\])/ \1 /g' ./mexico.geojson_out2 > ./output/mexico.geojson_output http://localhost/Utility/cord/largefile.php?filename=output/mexico.geojson_output */ ini_set('max_execution_time', '500'); //300 seconds = 5 minutes ini_set('memory_limit', '1G');   //ini_set('max_execution...

Custom Sorting Array List in PHP

 <?php $order = array("Z","Srilanka","34", "Canada", "India", "USA"); $array = array(     array('id' => 7867867, 'title' => 'USA'),     array('id' => 3452342, 'title' => 'India'),     array('id' => 1231233, 'title' => 'Srilanka'),     array('id' => 5867867, 'title' => 'Z'), ); usort($array, function ($a, $b) use ($order) {     $pos_a = array_search($a['title'], $order);     $pos_b = array_search($b['title'], $order);     return $pos_a - $pos_b; }); print_r($array); ?>