refactored outer not from sqlconditions, regularconditions to condition

Author: wumpz

README.md

@@ -55,6 +55,7 @@ Also I would like to know about needed examples or documentation stuff.
 
 ## Extensions in the latest SNAPSHOT version 2.0
 
+* **change of parsing** for not within condition: outer not is represented now by NotExpression
 * support of named parameters for execute: **EXEC procedure @param = 'foo'**
 * support multivalue set statement
 * support of **describe**

src/main/jjtree/net/sf/jsqlparser/parser/JSqlParserCC.jjt

@@ -2171,14 +2171,12 @@ Expression RegularCondition() #RegularCondition:
     Expression result = null;
     Expression leftExpression;
     Expression rightExpression;
-    //boolean not = false;
     int oracleJoin=EqualsTo.NO_ORACLE_JOIN;
     int oraclePrior=EqualsTo.NO_ORACLE_PRIOR;
     boolean binary = false;
 }
 {
     [ LOOKAHEAD(2) <K_PRIOR> { oraclePrior = EqualsTo.ORACLE_PRIOR_START; }]
-    //[ <K_NOT> { not = true; } ]
     leftExpression=ComparisonItem() { result = leftExpression; }
 
     [ "(" "+" ")" { oracleJoin=EqualsTo.ORACLE_JOIN_RIGHT; } ]
@@ -2218,8 +2216,6 @@ Expression RegularCondition() #RegularCondition:
         BinaryExpression regCond = (BinaryExpression) result;
         regCond.setLeftExpression(leftExpression);
         regCond.setRightExpression(rightExpression);
-        //if (not)
-        //    regCond.setNot();
 
         if (oracleJoin>0)
             ((SupportsOldOracleJoinSyntax)result).setOldOracleJoinSyntax(oracleJoin);
@@ -2302,19 +2298,9 @@ Expression LikeExpression() #LikeExpression:
     Expression rightExpression = null;
 }
 {
-    //(
-        //LOOKAHEAD(3) 
-        (
-            leftExpression=SimpleExpression()
-            [<K_NOT> { result.setNot(); } ] ( <K_LIKE> | <K_ILIKE> { result.setCaseInsensitive(true); } ) rightExpression=SimpleExpression()
-            [<K_ESCAPE> token=<S_CHAR_LITERAL> { result.setEscape((new StringValue(token.image)).getValue()); }]
-        )
-   /*     |
-        (
-            [<K_NOT> { result.setNot(); } ] leftExpression=SimpleExpression() ( <K_LIKE> | <K_ILIKE> { result.setCaseInsensitive(true); } ) rightExpression=SimpleExpression()
-            [<K_ESCAPE> token=<S_CHAR_LITERAL> { result.setEscape((new StringValue(token.image)).getValue()); }]
-        )
-    )*/
+    leftExpression=SimpleExpression()
+    [<K_NOT> { result.setNot(); } ] ( <K_LIKE> | <K_ILIKE> { result.setCaseInsensitive(true); } ) rightExpression=SimpleExpression()
+    [<K_ESCAPE> token=<S_CHAR_LITERAL> { result.setEscape((new StringValue(token.image)).getValue()); }]
     {
         result.setLeftExpression(leftExpression);
         result.setRightExpression(rightExpression);
@@ -2329,13 +2315,8 @@ Expression IsNullExpression():
     Expression leftExpression = null;
 }
 {
-    (
-    /* <K_NOT> { result.setNot(true); } leftExpression=SimpleExpression() 
-        ( <K_ISNULL> { result.setUseIsNull(true); } | <K_IS> <K_NULL> )
-    | */
     leftExpression=SimpleExpression() 
         (<K_ISNULL> { result.setUseIsNull(true); } | <K_IS> [<K_NOT> { result.setNot(true); } ] <K_NULL> )
-    )
 
     {
         result.setLeftExpression(leftExpression);
@@ -2349,7 +2330,6 @@ Expression ExistsExpression():
     Expression rightExpression = null;
 }
 {
-    // [<K_NOT> { result.setNot(true); } ] 
     <K_EXISTS> rightExpression=SimpleExpression()
     {
         result.setRightExpression(rightExpression);