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Add cool processing of empty resultsets

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This commit is contained in:
Alexey Milovidov 2022-05-02 03:48:48 +02:00
parent cdf858c6af
commit 0b9f8d81e4
1 changed files with 26 additions and 1 deletions
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27
programs/server/play.html
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@ -279,6 +279,19 @@
white-space: pre-wrap;
}
td.empty-result
{
text-align: center;
vertical-align: middle;
}
div.empty-result
{
opacity: 10%;
font-size: 7vw;
font-family: Liberation Sans, DejaVu Sans, sans-serif;
}
/* The style for SQL NULL */
.null
{
@ -697,6 +710,18 @@
const td = renderCell(cell, col_idx, {is_transposed: true});
tr.appendChild(td);
}
if (response.data.length == 0 && col_idx == 0)
{
/// If result is empty, show this fact with a style.
let td = document.createElement('td');
td.rowSpan = response.meta.length;
td.className = 'empty-result';
let div = document.createElement('div');
div.appendChild(document.createTextNode("empty result"));
div.className = 'empty-result';
td.appendChild(div);
tr.appendChild(td);
}
tbody.appendChild(tr);
}
let table = document.getElementById('data-table');
@ -705,7 +730,7 @@
function renderTable(response)
{
if (response.data.length == 1 && response.meta.length >= 5) {
if (response.data.length <= 1 && response.meta.length >= 5) {
renderTableTransposed(response)
return;
}