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Ingy döt Net 2025-08-11 18:05:26 -07:00
parent 4d5544505c
commit 4924dd0264
3073 changed files with 55820 additions and 4408 deletions
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Task/Pick-random-element/DuckDB/pick-random-element.duckdb Normal file
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# PRN in range(0,n)
create or replace function prn(n) as trunc(random() * n)::BIGINT;
create or replace function list_random(lst) as
lst[ 1 + prn(length(lst)) ] ;
## Example:
select histogram( r )
from (select list_random( [1,2,3] ) as r from range(0,1000) _(n));