playcoin | Allows modifying the 3DS Play Coin counter
kandi X-RAY | playcoin Summary
kandi X-RAY | playcoin Summary
3DSx Play Coin Setter.
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QUESTION
CREATE OR REPLACE FUNCTION "public"."sxfun"("jcbh" text)
RETURNS "pg_catalog"."int4" AS $BODY$
declare leftplayer TEXT;
declare rightplayer TEXT;
declare leftcoin int;
BEGIN
SELECT player1 into leftplayer,player2 into rightplayer FROM table1 WHERE id=$1;
SELECT SUM(playcoin) into leftcoin FROM table2 WHERE playname=leftplayer
COMMIT;
END$BODY$
LANGUAGE plpgsql VOLATILE
COST 100
...ANSWER
Answered 2020-Oct-31 at 10:22You are missing a return statement. In PL/pgSQL, declare
starts a block, there is no need to repeat the keyword for every variable. And you can't commit in a function - and you don't need it to begin with.
As documented in the manual you need to use return
to return a value from a function.
To store multiple columns into multiple variables, you need to separate them with a comma, not repeat the INTO
clause.
Note that sum()
returns a bigint, so your variable and return type should also be defined as bigint.
QUESTION
I'm hoping somebody experienced can point out where/if I am missing some crucial syntax.
My program works fine (because 95% of it was created by a CS50 professor), with one exception - I cannot seem to get the player and flag files/classes to reference each other to show that my Mario character has reached the final flag.
Specifically, the function "Flag:victory(player)" does not appear to be pulling information from the player file/class, while player has a similar function that is able to access Flag, although I don't see any difference between the two files as to why Flag is not behaving properly.
ANSWER
Answered 2020-Aug-13 at 11:37You're using 'self.player' which is a brand new player at the init() (which is a different player than the one you want) You need to use 'player' that you passed as an argument to check if player.victory is true.
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