Beast Mode for Sum Function
Best Answer
-
SUM only takes a single argument. You'll need to add them together. Note that I'm adding 3 sums together as it will handle nulls otherwise if I add
CURRENT_INVENTORY
+NONCURRENT_INVENTORY
+OLD_INVENTORY
and if any one of those values is null then the entire value will be null causing incorrect summations.SUM(CASE WHEN YEAR(`DATE`) = year(CURRENT_DATE()) THEN `CURRENT_INVENTORY` ELSE 0 END) + SUM(CASE WHEN YEAR(`DATE`) = year(CURRENT_DATE()) THEN `NONCURRENT_INVENTORY` ELSE 0 END) + SUM(CASE WHEN YEAR(`DATE`) = year(CURRENT_DATE()) THEN `OLD_INVENTORY` ELSE 0 END)
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Answers
-
SUM only takes a single argument. You'll need to add them together. Note that I'm adding 3 sums together as it will handle nulls otherwise if I add
CURRENT_INVENTORY
+NONCURRENT_INVENTORY
+OLD_INVENTORY
and if any one of those values is null then the entire value will be null causing incorrect summations.SUM(CASE WHEN YEAR(`DATE`) = year(CURRENT_DATE()) THEN `CURRENT_INVENTORY` ELSE 0 END) + SUM(CASE WHEN YEAR(`DATE`) = year(CURRENT_DATE()) THEN `NONCURRENT_INVENTORY` ELSE 0 END) + SUM(CASE WHEN YEAR(`DATE`) = year(CURRENT_DATE()) THEN `OLD_INVENTORY` ELSE 0 END)
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**Did this solve your problem? Accept it as a solution!**1 -
Thank you so much @GrantSmith and @MichelleH ..Really appreciate your help!
0 -
@ozarkram - I think that @GrantSmith 's approach is a better option here. He has included safeguards for any null values. If you choose @MichelleH's solution you will get a null value if any of the three fields are null.
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