Fix for Bug#22473405, GETOBJECT(STRING , CLASS<T>) METHOD RETURNS ERROR FOR POOLED CONNECTION.

Change-Id: I94a059abeeb5b242c03536a9c84cd8df4aed6bbe

Author: fjssilva

CHANGES

@@ -3,6 +3,8 @@
 
 Version 9.4.0
 
+  - Fix for Bug#22473405, GETOBJECT(STRING , CLASS<T>) METHOD RETURNS ERROR FOR POOLED CONNECTION.
+
   - WL#17009, Upgrade 3rd party libraries and tools.
 
   - Fix for Bug#118201 (Bug#37971552), A potential bug in Mysql Connector/J.

src/main/user-impl/java/com/mysql/cj/jdbc/CallableStatementWrapper.java

@@ -1717,7 +1717,7 @@ public void setNClob(String parameterName, Reader reader) throws SQLException {
     @Override
     public <T> T getObject(int parameterIndex, Class<T> type) throws SQLException {
         if (this.wrappedStmt != null) {
-            return null; // TODO
+            return ((CallableStatement) this.wrappedStmt).getObject(parameterIndex, type);
         }
         throw SQLError.createSQLException(Messages.getString("Statement.AlreadyClosed"), MysqlErrorNumbers.SQLSTATE_CONNJ_GENERAL_ERROR,
                 this.exceptionInterceptor);
@@ -1726,7 +1726,7 @@ public <T> T getObject(int parameterIndex, Class<T> type) throws SQLException {
     @Override
     public <T> T getObject(String parameterName, Class<T> type) throws SQLException {
         if (this.wrappedStmt != null) {
-            return null; // TODO
+            return ((CallableStatement) this.wrappedStmt).getObject(parameterName, type);
         }
         throw SQLError.createSQLException(Messages.getString("Statement.AlreadyClosed"), MysqlErrorNumbers.SQLSTATE_CONNJ_GENERAL_ERROR,
                 this.exceptionInterceptor);

src/test/java/testsuite/regression/CallableStatementRegressionTest.java

@@ -52,6 +52,7 @@
 import com.mysql.cj.conf.PropertyKey;
 import com.mysql.cj.exceptions.MysqlErrorNumbers;
 import com.mysql.cj.jdbc.JdbcConnection;
+import com.mysql.cj.jdbc.MysqlConnectionPoolDataSource;
 import com.mysql.cj.util.StringUtils;
 
 import testsuite.BaseTestCase;
@@ -2105,4 +2106,27 @@ void testBug20279578() throws Exception {
         }
     }
 
+    /**
+     * Tests fix for Bug#22473405, GETOBJECT(STRING , CLASS<T>) METHOD RETURNS ERROR FOR POOLED CONNECTION.
+     *
+     * @throws Exception
+     */
+    @Test
+    void testBug22473405() throws Exception {
+        createProcedure("testBug22473405", "(OUT p INT) BEGIN SELECT 1 INTO p; END");
+        MysqlConnectionPoolDataSource ds = new MysqlConnectionPoolDataSource();
+        ds.setURL(dbUrl);
+        Connection testConn = ds.getPooledConnection().getConnection();
+
+        CallableStatement cstmt = testConn.prepareCall("{CALL testBug22473405(?)}");
+        cstmt.registerOutParameter(1, java.sql.Types.INTEGER);
+        cstmt.execute();
+        assertEquals(1, cstmt.getObject(1, Integer.class));
+
+        cstmt = testConn.prepareCall("{CALL testBug22473405(?)}");
+        cstmt.registerOutParameter(1, java.sql.Types.INTEGER);
+        cstmt.execute();
+        assertEquals(1, cstmt.getObject(1, Integer.class));
+    }
+
 }