fixes #936

fixes #938

Author: wumpz

README.md

@@ -73,6 +73,8 @@ Also I would like to know about needed examples or documentation stuff.
 * support for **ALTER TABLE COLUMN DROP NOT NULL**
 * allow **order** as column name
 * support for table function in **IN** expression
+* allow complex expressions within all of a **case when** statement
+* support for parameters in **create index** statement
 
 ## Extensions of JSqlParser releases
 

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

@@ -1321,6 +1321,11 @@ public void testIssue235SimplifiedCase4() throws JSQLParserException {
     public void testIssue862CaseWhenConcat() throws JSQLParserException {
         assertSqlCanBeParsedAndDeparsed("SELECT c1, CASE c1 || c2 WHEN '091' THEN '2' ELSE '1' END AS c11 FROM T2");
     }
+    
+    @Test
+    public void testExpressionsInCaseBeforeWhen() throws JSQLParserException {
+        assertSqlCanBeParsedAndDeparsed("SELECT a FROM tbl1 LEFT JOIN tbl2 ON CASE tbl1.col1 WHEN tbl1.col1 = 1 THEN tbl1.col2 = tbl2.col2 ELSE tbl1.col3 = tbl2.col3 END");
+    }
 
     @Test
     @Ignore