statement.c | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/statement.c b/statement.c
index e7f816f..4867eda 100644
--- a/statement.c
+++ b/statement.c
@@ -296,7 +296,10 @@ PGAPI_FreeStmt(HSTMT hstmt,
 		if (stmt->execute_parent)
 			stmt->execute_parent->execute_delegate = NULL;
 		/* Destroy the statement and free any results, cursors, etc. */
-		SC_Destructor(stmt);
+		//SC_Destructor(stmt);		
+		/*if the connection was give up,return SQL_ERROR.*/
+		if(SC_Destructor(stmt) == FALSE)
+			return SQL_ERROR;
 	}
 	else if (fOption == SQL_UNBIND)
 		SC_unbind_cols(stmt);
@@ -477,6 +480,7 @@ SC_Constructor(ConnectionClass *conn)
 char
 SC_Destructor(StatementClass *self)
 {
+	char cRet = TRUE;
 	CSTR func	= "SC_Destructor";
 	QResultClass	*res = SC_get_Result(self);
 
@@ -498,6 +502,13 @@ SC_Destructor(StatementClass *self)
 
 	SC_initialize_stmts(self, TRUE);
 
+	
+	if(self->hdbc && !self->hdbc->pqconn)
+	{
+		SC_set_error(self, STMT_COMMUNICATION_ERROR, "connection error.", func);
+		cRet = FALSE;
+	}
+
         /* Free the parsed table information */
 	SC_initialize_cols_info(self, FALSE, TRUE);
 
@@ -524,8 +535,8 @@ SC_Destructor(StatementClass *self)
 	free(self);
 
 	MYLOG(0, "leaving\n");
-
-	return TRUE;
+	
+	return cRet;
 }
 
 void