fix(Data::Binder: Skip reset for null Binder #4109

Author: aleks-f

Data/SQLite/testsuite/src/SQLiteTest.cpp

@@ -256,7 +256,7 @@ SQLiteTest::~SQLiteTest()
 
 void SQLiteTest::testBind()
 {
-	int f1 = -1;
+	std::vector<int> vf1;
 	Session session(Poco::Data::SQLite::Connector::KEY, "dummy.db");
 	session << "DROP TABLE IF EXISTS test", now;
 	session << "CREATE TABLE test (f1 INTEGER)", now;
@@ -265,12 +265,17 @@ void SQLiteTest::testBind()
 	statement << "INSERT INTO test(f1) VALUES(?)";
 	statement.addBind(Poco::Data::Keywords::bind(1, "f1"));
 	statement.execute();
-	session << "SELECT f1 FROM test", into(f1), now;
-	assertTrue (f1 == 1);
+	session << "SELECT f1 FROM test", into(vf1), now;
+	assertTrue (vf1.size() == 1);
+	assertTrue (vf1[0] == 1);
 	statement.removeBind("f1");
 	statement.addBind(Poco::Data::Keywords::bind(2, "f1"));
 	statement.execute();
-	assertTrue (f1 == 2);
+	vf1.clear();
+	session << "SELECT f1 FROM test", into(vf1), now;
+	assertTrue (vf1.size() == 2);
+	assertTrue (vf1[0] == 1);
+	assertTrue (vf1[1] == 2);
 }
 
 
@@ -3501,6 +3506,7 @@ CppUnit::Test* SQLiteTest::suite()
 {
 	CppUnit::TestSuite* pSuite = new CppUnit::TestSuite("SQLiteTest");
 
+	CppUnit_addTest(pSuite, SQLiteTest, testBind);
 	CppUnit_addTest(pSuite, SQLiteTest, testBinding);
 	CppUnit_addTest(pSuite, SQLiteTest, testZeroRows);
 	CppUnit_addTest(pSuite, SQLiteTest, testSimpleAccess);

Data/include/Poco/Data/Binding.h

@@ -98,8 +98,7 @@ class Binding: public AbstractBinding
 	{
 		_bound = false;
 		AbstractBinder::Ptr pBinder = getBinder();
-		poco_assert_dbg (!pBinder.isNull());
-		pBinder->reset();
+		if (pBinder) pBinder->reset();
 	}
 
 private:
@@ -168,12 +167,10 @@ class CopyBinding: public AbstractBinding
 	{
 		_bound = false;
 		AbstractBinder::Ptr pBinder = getBinder();
-		poco_assert_dbg (!pBinder.isNull());
-		pBinder->reset();
+		if (pBinder) pBinder->reset();
 	}
 
 private:
-	//typedef typename TypeWrapper<T>::TYPE ValueType;
 	ValPtr _pVal;
 	bool   _bound;
 };
@@ -230,8 +227,7 @@ class Binding<const char*>: public AbstractBinding
 	{
 		_bound = false;
 		AbstractBinder::Ptr pBinder = getBinder();
-		poco_assert_dbg (!pBinder.isNull());
-		pBinder->reset();
+		if (pBinder) pBinder->reset();
 	}
 
 private:
@@ -292,8 +288,7 @@ class CopyBinding<const char*>: public AbstractBinding
 	{
 		_bound = false;
 		AbstractBinder::Ptr pBinder = getBinder();
-		poco_assert_dbg (!pBinder.isNull());
-		pBinder->reset();
+		if (pBinder) pBinder->reset();
 	}
 
 private: