fixes #295

Author: wumpz

src/main/java/net/sf/jsqlparser/util/TablesNamesFinder.java

@@ -58,9 +58,8 @@ public class TablesNamesFinder implements SelectVisitor, FromItemVisitor, Expres
     private static final String NOT_SUPPORTED_YET = "Not supported yet.";
     private List<String> tables;
     /**
-     * There are special names, that are not table names but are parsed as
-     * tables. These names are collected here and are not included in the tables
-     * - names anymore.
+     * There are special names, that are not table names but are parsed as tables. These names are
+     * collected here and are not included in the tables - names anymore.
      */
     private List<String> otherItemNames;
 
@@ -246,7 +245,11 @@ public void visit(GreaterThanEquals greaterThanEquals) {
 
     @Override
     public void visit(InExpression inExpression) {
-        inExpression.getLeftExpression().accept(this);
+        if (inExpression.getLeftExpression() != null) {
+            inExpression.getLeftExpression().accept(this);
+        } else if (inExpression.getLeftItemsList() != null) {
+            inExpression.getLeftItemsList().accept(this);
+        }
         inExpression.getRightItemsList().accept(this);
     }
 
@@ -661,6 +664,6 @@ public void visit(TimeKeyExpression timeKeyExpression) {
 
     @Override
     public void visit(DateTimeLiteralExpression literal) {
-        
+
     }
 }

src/test/java/net/sf/jsqlparser/util/TablesNamesFinderTest.java

@@ -374,4 +374,15 @@ public void testGetTableListIssue284() throws Exception {
         assertTrue(tableList.contains("DUAL"));
         assertTrue(tableList.contains("TEST1"));
 	}
+    
+    @Test
+    public void testUpdateGetTableListIssue295() throws JSQLParserException {
+        Update statement = (Update) CCJSqlParserUtil.parse("UPDATE component SET col = 0 WHERE (component_id,ver_num) IN (SELECT component_id,ver_num FROM component_temp)");
+        TablesNamesFinder tablesNamesFinder = new TablesNamesFinder();
+		List<String> tableList = tablesNamesFinder.getTableList(statement);
+		assertEquals(2, tableList.size());
+        assertTrue(tableList.contains("component"));
+        assertTrue(tableList.contains("component_temp"));
+        
+    }
 }