public Optional < String > parseSelectItemAlias ( ) { if ( lexerEngine . skipIfEqual ( DefaultKeyword . AS ) ) { return parseWithAs ( null , false , null ) ; } if ( lexerEngine . equalAny ( getDefaultAvailableKeywordsForSelectItemAlias ( ) ) || lexerEngine . equalAny ( getCustomizedAvailableKeywordsForSelectItemAlias ( ) ) ) { return parseAlias ( null , false , null ) ; } return Optional . absent ( ) ; }
Parse alias for select item .