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IF
If the first argument is true, returns second argument. If the first argument is false or NULL, returns third argument.
IF (val, iftrue, iffalse)
Arguments
- Any SQL objects
Return Type
If the val evaluates to true, returns iftrue. Otherwise iffalse.
Examples
memsql> select if(0, 'a', 'b'), if('1', 'a', 'b'), if(NULL, 'a', 'b');
+-----------------+-------------------+--------------------+
| if(0, 'a', 'b') | if('1', 'a', 'b') | if(NULL, 'a', 'b') |
+-----------------+-------------------+--------------------+
| b | a | b |
+-----------------+-------------------+--------------------+
