JSONata is honestly driving me crazy. I asked something similar a couple of weeks ago, but I still don't know what I'm doing so here I am again.
What I'm working with:
[[ {
"time": "2024-04-26",
"value": 40
},
{
"time": "2024-04-27",
"value": 10
},
{
"time": "2024-04-28",
"value": 20
}
],
[ {
"time": "2024-04-26",
"value_2": 5
},
{
"time": "2024-04-27",
"value_2": 2
},
{
"time": "2024-04-28",
"value_2": 4
}
]]
What I want is to get the distinct values for time and devide the values - value/value_2:
[ {
"time": "2024-04-26",
"value": 8
},
{
"time": "2024-04-27",
"value": 5
},
{
"time": "2024-04-28",
"value": 5
}
]
I tried something like this but I only get the distinct values for time.
$type($) = 'array' ?
(($count($) ) > 0 ?
$map($[0], function($v, $i, $a)
{ { "time": $v.time,
"value": $v.value/ $v.value_2 } })[]: []): undefined
Output:
[
{
"time": "2024-04-26"
},
{
"time": "2024-04-27"
},
{
"time": "2024-04-28"
}
]
How about this:
(
/* convert the array to an map of date to value */
$first := $[0].{time: value};
$second := $[1].{time: value_2};
/* iterate over the keys, lookup the values
$keys($first).{
"time": $,
"value": $lookup($first, $) / $lookup($second, $)
}
)