registerFunctionModifier(SourceSystemFunctions.LEFT, new LeftOrRightFunctionModifier(getLanguageFactory()));
registerFunctionModifier(SourceSystemFunctions.RIGHT, new LeftOrRightFunctionModifier(getLanguageFactory()));
registerFunctionModifier(SourceSystemFunctions.SUBSTRING, new AliasModifier("substr")); //$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.UCASE, new AliasModifier("upper")); //$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.DAYNAME, new MonthOrDayNameFunctionModifier(getLanguageFactory(), "Day"));//$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.DAYOFWEEK, new ExtractFunctionModifier());
registerFunctionModifier(SourceSystemFunctions.DAYOFMONTH, new ExtractFunctionModifier());
registerFunctionModifier(SourceSystemFunctions.DAYOFYEAR, new ExtractFunctionModifier());
registerFunctionModifier(SourceSystemFunctions.HOUR, new ExtractFunctionModifier());
registerFunctionModifier(SourceSystemFunctions.MINUTE, new ExtractFunctionModifier());
registerFunctionModifier(SourceSystemFunctions.MONTH, new ExtractFunctionModifier());
registerFunctionModifier(SourceSystemFunctions.MONTHNAME, new MonthOrDayNameFunctionModifier(getLanguageFactory(), "Month"));//$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.QUARTER, new ExtractFunctionModifier());
registerFunctionModifier(SourceSystemFunctions.SECOND, new ExtractFunctionModifier());
registerFunctionModifier(SourceSystemFunctions.WEEK, new ExtractFunctionModifier());
registerFunctionModifier(SourceSystemFunctions.YEAR, new ExtractFunctionModifier());
registerFunctionModifier(SourceSystemFunctions.LOCATE, new LocateFunctionModifier(getLanguageFactory()));