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/*PGR-GNU*****************************************************************
File: e_report.h
Function's developer:
Copyright (c) 2016 Celia Virginia Vergara Castillo
Mail: vicky_vergara@hotmail.com
------
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
********************************************************************PGR-GNU*/
#ifndef INCLUDE_C_COMMON_E_REPORT_H_
#define INCLUDE_C_COMMON_E_REPORT_H_
#pragma once
/*! @name Postgres ereport
* Send notice or error to postgreSQL (cleans the char *)
*
* From the C++ err_msg, log_msg, notice_msg are returned as a (char *),
*
* Before exiting the C code the pointers need to be freed:
* - This task can be done when there is no error,
* - Call to ERROR, gives the control back to postgreSQL
* - leaves a leak
*
* on C++ side, the message to be returned;
* ~~~~{.c}
* std::ostringstream log;
* log << "the message";
* *log_msg = to_pg_msg(log.str());
* ~~~~
*
*
*
* when there is ERROR then postgreSQL takes over control
* The char* messages are cleared automaticalyy with pfree.
*
* @warning When error: Free all data not created with palloc before calling
*
*/
/*! @brief notice & error
*
* ~~~~{.c}
* pgr_notice(&log_msg, ¬ice_msg, &error_msg);
*
* precondition: before calling ereport
* assert(!*log_msg);
* assert(!*notice_msg);
* assert(!*error_msg);
* ~~~~
*/
void
pgr_global_report(
char** log_msg,
char** notice_msg,
char** error_msg);
/* @brief throws postgres error when first string is not null */
void pgr_throw_error(char*, char*);
#endif // INCLUDE_C_COMMON_E_REPORT_H_
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