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/*****************************************************************************
Copyright (C) 1998, 2009, Innobase Oy. All Rights Reserved.
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; version 2 of the License.
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
St, Fifth Floor, Boston, MA 02110-1301 USA
*****************************************************************************/
/**************************************************//**
@file include/eval0proc.h
Executes SQL stored procedures and their control structures
Created 1/20/1998 Heikki Tuuri
*******************************************************/
#pragma once
#ifndef eval0proc_h
#define eval0proc_h
#include "univ.i"
#include "que0types.h"
#include "pars0sym.h"
#include "pars0pars.h"
/**********************************************************************//**
Performs an execution step of a procedure node.
@return query thread to run next or NULL */
UNIV_INLINE
que_thr_t*
proc_step(
/*======*/
que_thr_t* thr); /*!< in: query thread */
/**********************************************************************//**
Performs an execution step of an if-statement node.
@return query thread to run next or NULL */
UNIV_INTERN
que_thr_t*
if_step(
/*====*/
que_thr_t* thr); /*!< in: query thread */
/**********************************************************************//**
Performs an execution step of a while-statement node.
@return query thread to run next or NULL */
UNIV_INTERN
que_thr_t*
while_step(
/*=======*/
que_thr_t* thr); /*!< in: query thread */
/**********************************************************************//**
Performs an execution step of a for-loop node.
@return query thread to run next or NULL */
UNIV_INTERN
que_thr_t*
for_step(
/*=====*/
que_thr_t* thr); /*!< in: query thread */
/**********************************************************************//**
Performs an execution step of an assignment statement node.
@return query thread to run next or NULL */
UNIV_INTERN
que_thr_t*
assign_step(
/*========*/
que_thr_t* thr); /*!< in: query thread */
/**********************************************************************//**
Performs an execution step of a procedure call node.
@return query thread to run next or NULL */
UNIV_INLINE
que_thr_t*
proc_eval_step(
/*===========*/
que_thr_t* thr); /*!< in: query thread */
/**********************************************************************//**
Performs an execution step of an exit statement node.
@return query thread to run next or NULL */
UNIV_INTERN
que_thr_t*
exit_step(
/*======*/
que_thr_t* thr); /*!< in: query thread */
/**********************************************************************//**
Performs an execution step of a return-statement node.
@return query thread to run next or NULL */
UNIV_INTERN
que_thr_t*
return_step(
/*========*/
que_thr_t* thr); /*!< in: query thread */
#ifndef UNIV_NONINL
#include "eval0proc.ic"
#endif
#endif
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