max(sum(expr))

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max(sum(expr))

Postby 9ae6 » Fri Jul 24, 2020 7:50 pm

Hello,

I would like to use max function with sum(cash_hand_player_statistics.amt_won) then I have tried :
max(sum(cash_hand_player_statistics.amt_won)) but it is not a valid SQL as you can see in my attached  files.

How can I do it please ^^,

Best regards,
9ae6
Attachments
max_amt_won.jpg
9ae6
 
Posts: 21
Joined: Mon Jul 23, 2012 6:28 am

Re: max(sum(expr))

Postby WhiteRider » Sat Jul 25, 2020 3:54 am

What exactly are you trying to do here? "Sum" creates a single value (the total across all hands) so there is no "max" of that.
If you want to find the highest amount won in a single hand then you can just use:

max( cash_hand_player_statistics.amt_won )
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Re: max(sum(expr))

Postby 9ae6 » Sat Jul 25, 2020 12:04 pm

I am trying to create a loss limit indicator that tells me when to quit the game.
Then I don't want the highest amount won in a single hand

but

really the highest amount won from "net result" ( then the max after the sum of all amount won)


Any ideas?

Best regards,
9ae6
9ae6
 
Posts: 21
Joined: Mon Jul 23, 2012 6:28 am

Re: max(sum(expr))

Postby WhiteRider » Sat Jul 25, 2020 5:42 pm

So you want to know the most you were up in the session? I'm not sure how to do that I'm afraid. It may be possible, but it would need a pretty advanced expression I think, and it's beyond my PostgreSQL ability.
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Re: max(sum(expr))

Postby 9ae6 » Sun Jul 26, 2020 6:00 am

So you want to know the most you were up in the session?

Exactly

For example :
With loss limit = 100$
If I go up to +300$ and after I go down to +200$ then I leave the game because (300 - 200 = 100) I have lost 100$ from highest point.
If I go up to +80$ .....................................-20$ ......................................................(+80 - (-20) = 100)....................
etc.
9ae6
 
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Re: max(sum(expr))

Postby WhiteRider » Sun Jul 26, 2020 8:49 am

Thanks for clarifying. I do not know how to do that I'm afraid, but one of the PostgreSQL experts on the forum may be able to help you.
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Re: max(sum(expr))

Postby 9ae6 » Sun Jul 26, 2020 12:02 pm

but one of the PostgreSQL experts on the forum may be able to help you.

Thanks so how can I contact him?
9ae6
 
Posts: 21
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Re: max(sum(expr))

Postby WhiteRider » Sun Jul 26, 2020 1:40 pm

A few users of this forum are very good at PostgreSQL and if one of them sees this they may be able to help, but I didn't mean anyone specific, sorry for the confusion.

That data isn't stored in the database directly so it would take an advanced query to calculate it, if it is even possible.
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Re: max(sum(expr))

Postby 9ae6 » Sun Aug 02, 2020 8:59 am

Hello,

Finally I have found myself. It is not 100% perfect because

Code: Select all
cash_hand_player_statistics.amt_before


without "max" is not cacheable then I have found another solution that works 99%.
Indeed if I not leave the game when I reach the loss limit and after I win a lot of money then the color stay "red". It is better than nothing.

Here my method to do it :

1°/I create the column "amt_max_stack_bb" with the expression :
Code: Select all
max(cash_hand_player_statistics.amt_before / cash_limit.amt_bb)


2°/I create the stat "max_stack_bb" with the expression :
Code: Select all
amt_max_stack_bb

3°/I create the stat "net_result" with the expression :
Code: Select all
amt_won

4°I create the stat "net_result_bb" with the expression
Code: Select all
amt_bb_won


4°/ Now in the section color condition of the stat "net_result", I need to compare money with money then I put:

RED :
Code: Select all
#net_result_bb# <= #max_stack_bb# - 200
(200 because I buyin 100bb and I want a 100bb loss limit then -100 -100 = -200. If you want a 200bb loss limit then put -300 because -100 -200 = -300 etc)

YELLOW :
Code: Select all
#net_result_bb# < 0


GREEN
Code: Select all
#net_result_bb#  > 0


My main problem is that I can not do so much since
Code: Select all
cash_hand_player_statistics.amt_before
is not cacheable.

So if someone has an idea to do it cacheable or another method to have a loss limit please let us know that would be cool 8-)


Best regards,
9ae6
Attachments
losslimit.jpg
losslimit
9ae6
 
Posts: 21
Joined: Mon Jul 23, 2012 6:28 am


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