get owner for star select item.

sharding-core/src/main/java/io/shardingjdbc/core/parsing/parser/clause/SelectListClauseParser.java

@@ -83,7 +83,10 @@ public class SelectListClauseParser implements SQLClauseParser {
             result = parseAggregationSelectItem(selectStatement);
             parseRestSelectItem(selectStatement);
         } else {
-            result = new CommonSelectItem(SQLUtil.getExactlyValue(parseCommonSelectItem(selectStatement) + parseRestSelectItem(selectStatement)), aliasExpressionParser.parseSelectItemAlias());
+            SelectItem selectItem = parseCommonOrStarSelectItem(selectStatement);
+            result = selectItem instanceof StarSelectItem ? selectItem
+                    : new CommonSelectItem(SQLUtil.getExactlyValue(selectItem.getExpression()
+                    + parseRestSelectItem(selectStatement)), aliasExpressionParser.parseSelectItemAlias());
         }
         return result;
     }
@@ -110,17 +113,13 @@ public class SelectListClauseParser implements SQLClauseParser {
         return new StarSelectItem(Optional.<String>absent());
     }
     
-    private boolean isAggregationSelectItem() {
-        return lexerEngine.equalAny(DefaultKeyword.MAX, DefaultKeyword.MIN, DefaultKeyword.SUM, DefaultKeyword.AVG, DefaultKeyword.COUNT);
-    }
-    
-    private SelectItem parseAggregationSelectItem(final SelectStatement selectStatement) {
-        AggregationType aggregationType = AggregationType.valueOf(lexerEngine.getCurrentToken().getLiterals().toUpperCase());
+    private SelectItem parseStarSelectItem(final String owner) {
         lexerEngine.nextToken();
-        return new AggregationSelectItem(aggregationType, lexerEngine.skipParentheses(selectStatement), aliasExpressionParser.parseSelectItemAlias());
+        aliasExpressionParser.parseSelectItemAlias();
+        return new StarSelectItem(Optional.fromNullable(owner));
     }
     
-    private String parseCommonSelectItem(final SelectStatement selectStatement) {
+    private SelectItem parseCommonOrStarSelectItem(final SelectStatement selectStatement) {
         String literals = lexerEngine.getCurrentToken().getLiterals();
         int position = lexerEngine.getCurrentToken().getEndPosition() - literals.length();
         StringBuilder result = new StringBuilder();
@@ -135,10 +134,24 @@ public class SelectListClauseParser implements SQLClauseParser {
             }
             result.append(lexerEngine.getCurrentToken().getLiterals());
             lexerEngine.nextToken();
+            if (lexerEngine.equalAny(Symbol.STAR)) {
+                return parseStarSelectItem(literals);
+            }
             result.append(lexerEngine.getCurrentToken().getLiterals());
             lexerEngine.nextToken();
         }
-        return result.toString();
+        return new CommonSelectItem(result.toString(), Optional.<String>absent());
+        
+    }
+    
+    private boolean isAggregationSelectItem() {
+        return lexerEngine.equalAny(DefaultKeyword.MAX, DefaultKeyword.MIN, DefaultKeyword.SUM, DefaultKeyword.AVG, DefaultKeyword.COUNT);
+    }
+    
+    private SelectItem parseAggregationSelectItem(final SelectStatement selectStatement) {
+        AggregationType aggregationType = AggregationType.valueOf(lexerEngine.getCurrentToken().getLiterals().toUpperCase());
+        lexerEngine.nextToken();
+        return new AggregationSelectItem(aggregationType, lexerEngine.skipParentheses(selectStatement), aliasExpressionParser.parseSelectItemAlias());
     }
     
     private String parseRestSelectItem(final SelectStatement selectStatement) {
@@ -146,7 +159,8 @@ public class SelectListClauseParser implements SQLClauseParser {
         while (lexerEngine.equalAny(Symbol.getOperators())) {
             result.append(lexerEngine.getCurrentToken().getLiterals());
             lexerEngine.nextToken();
-            result.append(parseCommonSelectItem(selectStatement));
+            SelectItem selectItem = parseCommonOrStarSelectItem(selectStatement);
+            result.append(selectItem.getExpression());
         }
         return result.toString();
     }