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1601bdc38a
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r5092 | marko | 2009-05-25 09:54:17 +0300 (Mon, 25 May 2009) | 1 line
branches/zip: Adjust some function comments after r5091.
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r5100 | marko | 2009-05-25 12:09:45 +0300 (Mon, 25 May 2009) | 1 line
branches/zip: Split some long lines that were introduced in r5091.
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r5101 | marko | 2009-05-25 12:42:47 +0300 (Mon, 25 May 2009) | 2 lines
branches/zip: Introduce the macro TEMP_INDEX_PREFIX_STR.
This is to avoid triggering an error in Doxygen.
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r5102 | marko | 2009-05-25 13:47:14 +0300 (Mon, 25 May 2009) | 1 line
branches/zip: Add missing file comments.
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r5103 | marko | 2009-05-25 13:52:29 +0300 (Mon, 25 May 2009) | 10 lines
branches/zip: Add @file comments, and convert decorative
/*********************************
comments to Doxygen /** style like this:
/*****************************//**
This conversion was performed by the following command:
perl -i -e 'while(<ARGV>){if (m|^/\*{30}\**$|) {
s|\*{4}$|//**| if ++$com>1; $_ .= "\@file $ARGV\n" if $com==2}
print; if(eof){$.=0;undef $com}}' */*[ch] include/univ.i
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r5104 | marko | 2009-05-25 14:39:07 +0300 (Mon, 25 May 2009) | 2 lines
branches/zip: Revert ut0auxconf_* to r5102,
that is, make Doxygen ignore these test programs.
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r5105 | marko | 2009-05-25 14:52:20 +0300 (Mon, 25 May 2009) | 2 lines
branches/zip: Enclose some #error checks inside #ifndef DOXYGEN
to prevent bogus Doxygen errors.
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r5106 | marko | 2009-05-25 16:09:24 +0300 (Mon, 25 May 2009) | 2 lines
branches/zip: Add some Doxygen comments, mainly to structs, typedefs,
macros and global variables. Many more to go.
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r5108 | marko | 2009-05-26 00:32:35 +0300 (Tue, 26 May 2009) | 2 lines
branches/zip: lexyy.c: Remove the inadvertently added @file directive.
There is nothing for Doxygen to see in this file, move along.
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r5125 | marko | 2009-05-26 16:28:49 +0300 (Tue, 26 May 2009) | 3 lines
branches/zip: Add some Doxygen comments for many structs, typedefs,
#defines and global variables. Many are still missing.
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r5134 | marko | 2009-05-27 09:08:43 +0300 (Wed, 27 May 2009) | 1 line
branches/zip: Add some Doxygen @return comments.
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r5139 | marko | 2009-05-27 10:01:40 +0300 (Wed, 27 May 2009) | 1 line
branches/zip: Add Doxyfile.
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r5143 | marko | 2009-05-27 10:57:25 +0300 (Wed, 27 May 2009) | 3 lines
branches/zip: buf0buf.h, Doxyfile: Fix the Doxygen translation.
@defgroup is for source code modules, not for field groups.
Tell Doxygen to expand the UT_LIST declarations.
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114 lines
3.7 KiB
C
114 lines
3.7 KiB
C
/*****************************************************************************
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Copyright (c) 1997, 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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/**************************************************//**
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@file include/eval0eval.h
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SQL evaluator: evaluates simple data structures, like expressions, in
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a query graph
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Created 12/29/1997 Heikki Tuuri
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*******************************************************/
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#ifndef eval0eval_h
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#define eval0eval_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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Free the buffer from global dynamic memory for a value of a que_node,
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if it has been allocated in the above function. The freeing for pushed
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column values is done in sel_col_prefetch_buf_free. */
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UNIV_INTERN
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void
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eval_node_free_val_buf(
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/*===================*/
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que_node_t* node); /*!< in: query graph node */
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/*****************************************************************//**
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Evaluates a symbol table symbol. */
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UNIV_INLINE
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void
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eval_sym(
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/*=====*/
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sym_node_t* sym_node); /*!< in: symbol table node */
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/*****************************************************************//**
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Evaluates an expression. */
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UNIV_INLINE
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void
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eval_exp(
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/*=====*/
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que_node_t* exp_node); /*!< in: expression */
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/*****************************************************************//**
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Sets an integer value as the value of an expression node. */
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UNIV_INLINE
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void
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eval_node_set_int_val(
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/*==================*/
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que_node_t* node, /*!< in: expression node */
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lint val); /*!< in: value to set */
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/*****************************************************************//**
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Gets an integer value from an expression node.
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@return integer value */
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UNIV_INLINE
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lint
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eval_node_get_int_val(
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/*==================*/
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que_node_t* node); /*!< in: expression node */
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/*****************************************************************//**
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Copies a binary string value as the value of a query graph node. Allocates a
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new buffer if necessary. */
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UNIV_INLINE
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void
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eval_node_copy_and_alloc_val(
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/*=========================*/
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que_node_t* node, /*!< in: query graph node */
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const byte* str, /*!< in: binary string */
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ulint len); /*!< in: string length or UNIV_SQL_NULL */
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/*****************************************************************//**
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Copies a query node value to another node. */
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UNIV_INLINE
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void
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eval_node_copy_val(
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/*===============*/
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que_node_t* node1, /*!< in: node to copy to */
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que_node_t* node2); /*!< in: node to copy from */
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/*****************************************************************//**
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Gets a iboolean value from a query node.
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@return iboolean value */
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UNIV_INLINE
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ibool
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eval_node_get_ibool_val(
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/*====================*/
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que_node_t* node); /*!< in: query graph node */
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/*****************************************************************//**
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Evaluates a comparison node.
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@return the result of the comparison */
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UNIV_INTERN
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ibool
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eval_cmp(
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/*=====*/
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func_node_t* cmp_node); /*!< in: comparison node */
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#ifndef UNIV_NONINL
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#include "eval0eval.ic"
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#endif
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#endif
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