~drizzle-trunk/drizzle/development

1 by brian
clean slate
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/******************************************************
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Executes SQL stored procedures and their control structures
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(c) 1998 Innobase Oy
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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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/**************************************************************************
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Performs an execution step of a procedure node. */
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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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				/* out: query thread to run next or NULL */
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	que_thr_t*	thr);	/* in: query thread */
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/**************************************************************************
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Performs an execution step of an if-statement node. */
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que_thr_t*
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if_step(
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/*====*/
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				/* out: query thread to run next or NULL */
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	que_thr_t*	thr);	/* in: query thread */
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/**************************************************************************
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Performs an execution step of a while-statement node. */
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que_thr_t*
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while_step(
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/*=======*/
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				/* out: query thread to run next or NULL */
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	que_thr_t*	thr);	/* in: query thread */
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/**************************************************************************
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Performs an execution step of a for-loop node. */
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que_thr_t*
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for_step(
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/*=====*/
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				/* out: query thread to run next or NULL */
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	que_thr_t*	thr);	/* in: query thread */
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/**************************************************************************
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Performs an execution step of an assignment statement node. */
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que_thr_t*
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assign_step(
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/*========*/
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				/* out: query thread to run next or NULL */
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	que_thr_t*	thr);	/* in: query thread */
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/**************************************************************************
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Performs an execution step of a procedure call node. */
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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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				/* out: query thread to run next or NULL */
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	que_thr_t*	thr);	/* in: query thread */
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/**************************************************************************
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Performs an execution step of an exit statement node. */
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que_thr_t*
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exit_step(
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/*======*/
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				/* out: query thread to run next or NULL */
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	que_thr_t*	thr);	/* in: query thread */
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/**************************************************************************
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Performs an execution step of a return-statement node. */
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que_thr_t*
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return_step(
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/*========*/
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				/* out: query thread to run next or NULL */
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	que_thr_t*	thr);	/* in: query thread */
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#ifndef UNIV_NONINL
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#include "eval0proc.ic"
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#endif
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#endif