this post was submitted on 01 Jul 2024
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[–] fibojoly@sh.itjust.works 42 points 4 months ago* (last edited 4 months ago) (3 children)

Should be age > (my_age / 2) +7

[–] JackbyDev@programming.dev 21 points 4 months ago (2 children)

Why would there be an age and my_age column on the table GIRLS?

[–] lennivelkant@discuss.tchncs.de 15 points 4 months ago (1 children)

Good point.

Should be age > (@my_age / 2) +7

FTFOP - now my age is some value defined outside the immediate query.

More likely, the GIRLS would be a view of some table persons and you could query my_age from that table too.

[–] fibojoly@sh.itjust.works 0 points 4 months ago* (last edited 4 months ago) (1 children)

Thank you. I assumed the reader would be educated enough to guess I meant a variable. But yeah, should used @my_age

[–] lennivelkant@discuss.tchncs.de 3 points 4 months ago (1 children)

Pretty sure "People who know enough about SQL to know about variables" is a subset of "People who know enough about SQL to be pedantic about it" :p

[–] fibojoly@sh.itjust.works 1 points 4 months ago

A fair point :D

[–] jol@discuss.tchncs.de 8 points 4 months ago (1 children)

Because for each girl you meet, you might tell her a different age.

[–] JackbyDev@programming.dev 2 points 4 months ago

Ah, but if we care at all about normalization and that's calculatable from the other columns (it should be) then it shouldn't be a column. Unless it's expensive and this is a view, of course.

[–] olafurp@lemmy.world 12 points 4 months ago

Found the programmer thread that criticises the data model instead of the t-shirt

[–] Gladaed@feddit.org 5 points 4 months ago (2 children)

Or (my_age - 7) * 2 < age < (my_age / 2) +7`

[–] fibojoly@sh.itjust.works 2 points 4 months ago (1 children)

Uh, no no. The rule is "half my age plus seven". I've no idea what your other term is supposed to represent.

[–] ji17br@lemmy.ml 8 points 4 months ago (1 children)

He’s saying it goes both ways. The upper limit is a women who you would be half her age plus 7.

[–] absGeekNZ@lemmy.nz 1 points 4 months ago

This "rule" only works for a small set of ages from 14 ~ 30ish

If you are 14 then the range for "age" is 14 - 14
If you are 30 then the range for "age" is 22 - 46
If you are 40 then the range for "age" is 27 - 66

At 30 the upper level is 16 years different; while it could work it is a big gap to bridge. It only gets worse the older you get.