workaround for mySql truncate function

Author: wumpz

src/main/javacc/net/sf/jsqlparser/parser/JSqlParserCC.jj

@@ -1884,6 +1884,9 @@ Function Function():
     	| 
     	// workaround for replace(string) function (name clash with mysql REPLACE expression)
 	    <K_REPLACE> { funcName = "REPLACE"; }
+		| 
+    	// workaround for truncate(string) function (name clash with mysql TRUNCATE expression)
+	    <K_TRUNCATE> { funcName = "TRUNCATE"; }
     ) [ "." tmp=RelObjectName() { funcName+= "." + tmp; } ["." tmp=RelObjectName() { funcName+= "." + tmp; }]]
     "(" [ [<K_DISTINCT> { retval.setDistinct(true); } | <K_ALL> { retval.setAllColumns(true); }] (expressionList=SimpleExpressionList() | "*" { retval.setAllColumns(true); }) ] ")"
 

src/test/java/net/sf/jsqlparser/test/select/SelectTest.java

@@ -901,6 +901,11 @@ public void testProblemFunction2() throws JSQLParserException {
 		String stmt = "SELECT sysdate FROM testtable";
 		assertSqlCanBeParsedAndDeparsed(stmt);
 	}
+	
+	public void testProblemFunction3() throws JSQLParserException {
+		String stmt = "SELECT TRUNCATE(col) FROM testtable";
+		assertSqlCanBeParsedAndDeparsed(stmt);
+	}
 
 	public void testAdditionalLettersGerman() throws JSQLParserException {
 		String stmt = "SELECT colä, colö, colü FROM testtableäöü";