Fix to get the sqlcode from ibm_db.get_sqlcode api for warnings (ibmdb#1020)

* Fix to get the sqlcode from ibm_db.get_sqlcode api for warning message

Signed-off-by: ek <ek@rocketsoftware.com>

* Update README.md
Signed-off-by: ek <ek@rocketsoftware.com>

* Resolve merge conflicts for warnings
Signed-off-by: ek <ek@rocketsoftware.com>

* Update ibm_db.c

---------

Signed-off-by: ek <ek@rocketsoftware.com>

Author: Earammak

README.md

@@ -49,7 +49,7 @@ If you face problems due to missing python header files while installing the dri
 
 ### Windows:
 
-- If a db2 client or server or dsdriver or clidriver is already installed in the system and user has already set installed path to `PATH` environment variable, then user need to set [environment variable](#envvar) `IBM_DB_HOME` manaully to the installed path before installing `ibm_db`.
+- If a db2 client or server or dsdriver or clidriver is already installed in the system and user has already set installed path to `PATH` environment variable, then user needs to set [environment variable](#envvar) `IBM_DB_HOME` manually to the installed path before installing `ibm_db`.
 
 - To verify it, just execute `db2level` command before installation of `ibm_db`. If it works, note down the install directory path and set system level environment variable `IBM_DB_HOME` as install path shown in output of `db2level` command.
 

ibm_db.c

@@ -815,7 +815,11 @@ static void _python_ibm_db_check_sql_errors(SQLHANDLE handle, SQLSMALLINT hType,
 
                     strncpy(IBM_DB_G(__python_conn_warn_msg), (char *)errMsg, DB2_MAX_ERR_MSG_LEN - 1);
                     IBM_DB_G(__python_conn_warn_msg)[DB2_MAX_ERR_MSG_LEN - 1] = '\0';
-                    break;
+
+                    strncpy(IBM_DB_G(__python_err_code), (char *)errcode, SQL_SQLCODE_SIZE);
+                    IBM_DB_G(__python_err_code)[SQL_SQLCODE_SIZE] = '\0';
+
+                 break;
 
                 case SQL_HANDLE_STMT:
                     snprintf(messageStr, sizeof(messageStr),
@@ -827,6 +831,10 @@ static void _python_ibm_db_check_sql_errors(SQLHANDLE handle, SQLSMALLINT hType,
 
                     strncpy(IBM_DB_G(__python_stmt_warn_msg), (char *)errMsg, DB2_MAX_ERR_MSG_LEN - 1);
                     IBM_DB_G(__python_stmt_warn_msg)[DB2_MAX_ERR_MSG_LEN - 1] = '\0';
+
+                    strncpy(IBM_DB_G(__python_err_code), (char *)errcode, SQL_SQLCODE_SIZE);
+                    IBM_DB_G(__python_err_code)[SQL_SQLCODE_SIZE] = '\0';
+
                     break;
                 }
             }