2009-02-17 09:06:49 +00:00
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/*****************************************************************************
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Copyright (c) 1998, 2009, Innobase Oy. All Rights Reserved.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*****************************************************************************/
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2009-05-25 09:52:29 +00:00
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/**************************************************//**
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@file include/eval0proc.h
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2005-10-27 07:29:40 +00:00
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Executes SQL stored procedures and their control structures
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Created 1/20/1998 Heikki Tuuri
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*******************************************************/
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#ifndef eval0proc_h
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#define eval0proc_h
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#include "univ.i"
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#include "que0types.h"
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#include "pars0sym.h"
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#include "pars0pars.h"
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2009-05-25 09:52:29 +00:00
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/**********************************************************************//**
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2009-05-25 05:30:14 +00:00
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Performs an execution step of a procedure node.
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@return query thread to run next or NULL */
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2005-10-27 07:29:40 +00:00
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UNIV_INLINE
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que_thr_t*
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proc_step(
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/*======*/
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2009-05-25 05:30:14 +00:00
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que_thr_t* thr); /*!< in: query thread */
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2009-05-25 09:52:29 +00:00
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/**********************************************************************//**
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2009-05-25 05:30:14 +00:00
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Performs an execution step of an if-statement node.
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@return query thread to run next or NULL */
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2008-02-18 18:38:33 +00:00
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UNIV_INTERN
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2005-10-27 07:29:40 +00:00
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que_thr_t*
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if_step(
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/*====*/
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2009-05-25 05:30:14 +00:00
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que_thr_t* thr); /*!< in: query thread */
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2009-05-25 09:52:29 +00:00
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/**********************************************************************//**
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2009-05-25 05:30:14 +00:00
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Performs an execution step of a while-statement node.
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@return query thread to run next or NULL */
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2008-02-18 18:38:33 +00:00
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UNIV_INTERN
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2005-10-27 07:29:40 +00:00
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que_thr_t*
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while_step(
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/*=======*/
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2009-05-25 05:30:14 +00:00
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que_thr_t* thr); /*!< in: query thread */
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2009-05-25 09:52:29 +00:00
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/**********************************************************************//**
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2009-05-25 05:30:14 +00:00
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Performs an execution step of a for-loop node.
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@return query thread to run next or NULL */
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2008-02-18 18:38:33 +00:00
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UNIV_INTERN
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2005-10-27 07:29:40 +00:00
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que_thr_t*
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for_step(
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/*=====*/
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2009-05-25 05:30:14 +00:00
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que_thr_t* thr); /*!< in: query thread */
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2009-05-25 09:52:29 +00:00
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/**********************************************************************//**
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2009-05-25 05:30:14 +00:00
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Performs an execution step of an assignment statement node.
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@return query thread to run next or NULL */
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2008-02-18 18:38:33 +00:00
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UNIV_INTERN
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2005-10-27 07:29:40 +00:00
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que_thr_t*
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assign_step(
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/*========*/
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2009-05-25 05:30:14 +00:00
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que_thr_t* thr); /*!< in: query thread */
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2009-05-25 09:52:29 +00:00
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/**********************************************************************//**
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2009-05-25 05:30:14 +00:00
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Performs an execution step of a procedure call node.
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@return query thread to run next or NULL */
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2005-10-27 07:29:40 +00:00
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UNIV_INLINE
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que_thr_t*
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proc_eval_step(
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/*===========*/
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2009-05-25 05:30:14 +00:00
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que_thr_t* thr); /*!< in: query thread */
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2009-05-25 09:52:29 +00:00
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/**********************************************************************//**
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2009-05-25 05:30:14 +00:00
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Performs an execution step of an exit statement node.
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@return query thread to run next or NULL */
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2008-02-18 18:38:33 +00:00
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UNIV_INTERN
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2006-04-12 09:32:17 +00:00
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que_thr_t*
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exit_step(
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/*======*/
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2009-05-25 05:30:14 +00:00
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que_thr_t* thr); /*!< in: query thread */
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2009-05-25 09:52:29 +00:00
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/**********************************************************************//**
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2009-05-25 05:30:14 +00:00
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Performs an execution step of a return-statement node.
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@return query thread to run next or NULL */
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2008-02-18 18:38:33 +00:00
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UNIV_INTERN
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2005-10-27 07:29:40 +00:00
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que_thr_t*
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return_step(
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/*========*/
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2009-05-25 05:30:14 +00:00
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que_thr_t* thr); /*!< in: query thread */
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2005-10-27 07:29:40 +00:00
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#ifndef UNIV_NONINL
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#include "eval0proc.ic"
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#endif
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2006-02-23 19:25:29 +00:00
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#endif
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