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只要语句中使用了With CTE as 这种递归，就会报错，java.sql.SQLException: Connection is read-only. Queries leading to data modification are not allowed
加上@Transactional(readOnly=true)，也不行，只能强制标识为@Transactional(readOnly=f…
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Currently it's very easy to create duplicate contacts. When I add another one, it simply adds another contact w/ different color in the list. There should be some sort of way to prevent/distinguish pe…
xasos updated
4 years ago
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Why can't I find the lecture slide resources over here? How does this work?
PNR-1 updated
7 years ago
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### What happened?
It's hard to tell whether it's a problem with `DISTINCT ON` or some other mechanic a but a certain combination of steps causes an issue where the columns for a `DISTINCT ON` and `O…
syko updated
6 months ago
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### Description
Minimal condition query segments would be useful, and can be based exclusively around named parameters or flag variables.
For example, two conditionals in this statement, one cou…
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Pokud ke stránce existuje textový přepis, zobrazí se na celou šířku obrazovky jako zespoda vyjíždějící okno/lišta. Výsledek je ale ten, že řádky jsou přes celou šířku obrazovky a strašně špatně se to …
zabak updated
2 years ago
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Came to this from the HN discusson 'against SQL'.
In
The translation of this...
print Continent {
... // Include existing fields
density: population / area /…
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While using dash.js 3.1.1. to pay back LL-DASH streams, the player was forced to handle several errors which it did not do in an elegant way.
, sum(costit)
from sale_agg_cs_top
where
dt = '2021-01-01'::date
and it = 0…