Translate SQL script from MySQL to MaxDB

[Alejandro D. Burne]

Is there any logical function (IF ????) to translate this sentence???
 
SELECT MONTH(MLPL.FechaComprobante) AS Mes, 
SUM(IF(CLP.DebitoCredito='C',MLPL.Importe,0)) AS Haberes, 
SUM(IF(CLP.DebitoCredito='D',MLPL.Importe,0)) AS Deducciones, 
SUM(IF(CLP.CodigoConceptoLiqProf=270,MLPL.Importe,0)) AS InstBecario, 
SUM(IF(CLP.CodigoConceptoLiqProf=395,MLPL.Importe,0)) AS Ganancias 
FROM MovimientosLiqProfesionales MLP INNER JOIN
MovimientosLiqProfesionalesLiquidados MLPL
ON MLP.CodigoMovLiqProf=MLPL.CodigoMovLiqProf 
INNER JOIN ConceptosLiqProfesionales CLP 
ON MLP.CodigoConceptoLiqProf=CLP.CodigoConceptoLiqProf 
WHERE ...
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