Hash join: Difference between revisions
added Arturo
(Update emacs lisp) |
Drkameleon (talk | contribs) (added Arturo) |
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{age:28, |name|:"Alan", |character|:"Alan", nemesis:"Ghosts"},
{age:28, |name|:"Alan", |character|:"Alan", nemesis:"Zombies"}}</pre>
=={{header|Arturo}}==
<syntaxhighlight lang="arturo">hashJoin: function [t1, t2][
result: []
h: #[]
loop t1 's [
if not? key? h s\1 -> h\[s\1]: []
h\[s\1]: h\[s\1] ++ @[s]
]
loop t2 'r [
loop h\[r\0] 's [
'result ++ @[@[s r]]
]
]
return result
]
table1: [
[27 "Jonah"]
[18 "Alan"]
[28 "Glory"]
[18 "Popeye"]
[28 "Alan"]
]
table2: [
["Jonah" "Whales"]
["Jonah" "Spiders"]
["Alan" "Ghosts"]
["Alan" "Zombies"]
["Glory" "Buffy"]
]
loop hashJoin table1 table2 'row ->
print row</syntaxhighlight>
{{out}}
<pre>[27 Jonah] [Jonah Whales]
[27 Jonah] [Jonah Spiders]
[18 Alan] [Alan Ghosts]
[28 Alan] [Alan Ghosts]
[18 Alan] [Alan Zombies]
[28 Alan] [Alan Zombies]
[28 Glory] [Glory Buffy] </pre>
=={{header|AWK}}==
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