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IF(type = 'P', amount, amount * -1) as amount. See https://dev.mysql.com/doc/refman/8.0/en/flow-control-functions.html. Additionally, you could handle when the condition is null. In the case of a null amount: IF(type = 'P', IFNULL(amount,0), IFNULL(amount,0) * -1) as amount.
21 Αυγ 2024 · MySQL IF-THEN-ELSE Statement: When the condition checks to be TRUE, the statements between IF-THEN and ELSE execute. On the other hand, the statements (else-statements) between the ELSE and END IF execute. Syntax: IF condition THEN. statements; ELSE. else-statements; END IF; Parameters Used:
1 Ιουν 2022 · MySQL IF-THEN-ELSE statement. To execute statements when a condition in the IF block does not evaluate to true, you can use IF-THEN-ELSE. The syntax looks as follows: IF condition THEN statements; ELSE else-statements; END IF; If a specified condition is: true – statements between IF-THEN and ELSE will be executed; false – statements ...
23 Αυγ 2018 · Excel VBA IF THEN Statement is one of the most useful statements in VBA. In this tutorial, you’ll quickly learn how to work with the IF, THEN, ELSE, ELSEIF as well as the AND statements. This way you can write Excel macros that are dependent on multiple conditions.
7 Μαρ 2024 · This tutorial explains various conditional statements in VBA such as If, Else-If, If-Then, Nested If, And Select Case with examples.
This tutorial shows how to use the IF / ELSE / END IF syntax followed by the alternative SELECT CASE syntax. For all but the simplest conditions the SELECT CASE format will give code which is easier to write, comment and understand. Let's start, then, with the simple IF condition!
1 Φεβ 2010 · Whilst you certainly can use MySQL's IF() control flow function as demonstrated by dbemerlin's answer, I suspect it might be a little clearer to the reader (i.e. yourself, and any future developers who might pick up your code in the future) to use a CASE expression instead:
