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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. ------------------------------------------------------------------------ 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. ------------------------------------------------------------------------ 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. ------------------------------------------------------------------------ r5102 | marko | 2009-05-25 13:47:14 +0300 (Mon, 25 May 2009) | 1 line branches/zip: Add missing file comments. ------------------------------------------------------------------------ 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 ------------------------------------------------------------------------ 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. ------------------------------------------------------------------------ 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. ------------------------------------------------------------------------ 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. ------------------------------------------------------------------------ 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. ------------------------------------------------------------------------ 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. ------------------------------------------------------------------------ r5134 | marko | 2009-05-27 09:08:43 +0300 (Wed, 27 May 2009) | 1 line branches/zip: Add some Doxygen @return comments. ------------------------------------------------------------------------ r5139 | marko | 2009-05-27 10:01:40 +0300 (Wed, 27 May 2009) | 1 line branches/zip: Add Doxyfile. ------------------------------------------------------------------------ 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. ------------------------------------------------------------------------
91 lines
3.2 KiB
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91 lines
3.2 KiB
Text
/*****************************************************************************
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Copyright (c) 1994, 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/rem0cmp.ic
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Comparison services for records
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Created 7/1/1994 Heikki Tuuri
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************************************************************************/
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/*************************************************************//**
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This function is used to compare two data fields for which we know the
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data type.
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@return 1, 0, -1, if data1 is greater, equal, less than data2, respectively */
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UNIV_INLINE
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int
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cmp_data_data(
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/*==========*/
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ulint mtype, /*!< in: main type */
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ulint prtype, /*!< in: precise type */
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const byte* data1, /*!< in: data field (== a pointer to a memory
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buffer) */
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ulint len1, /*!< in: data field length or UNIV_SQL_NULL */
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const byte* data2, /*!< in: data field (== a pointer to a memory
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buffer) */
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ulint len2) /*!< in: data field length or UNIV_SQL_NULL */
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{
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return(cmp_data_data_slow(mtype, prtype, data1, len1, data2, len2));
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}
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/*************************************************************//**
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This function is used to compare two dfields where at least the first
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has its data type field set.
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@return 1, 0, -1, if dfield1 is greater, equal, less than dfield2,
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respectively */
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UNIV_INLINE
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int
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cmp_dfield_dfield(
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/*==============*/
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const dfield_t* dfield1,/*!< in: data field; must have type field set */
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const dfield_t* dfield2)/*!< in: data field */
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{
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const dtype_t* type;
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ut_ad(dfield_check_typed(dfield1));
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type = dfield_get_type(dfield1);
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return(cmp_data_data(type->mtype, type->prtype,
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(const byte*) dfield_get_data(dfield1),
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dfield_get_len(dfield1),
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(const byte*) dfield_get_data(dfield2),
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dfield_get_len(dfield2)));
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}
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/*************************************************************//**
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This function is used to compare two physical records. Only the common
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first fields are compared.
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@return 1, 0 , -1 if rec1 is greater, equal, less, respectively, than
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rec2; only the common first fields are compared */
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UNIV_INLINE
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int
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cmp_rec_rec(
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/*========*/
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const rec_t* rec1, /*!< in: physical record */
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const rec_t* rec2, /*!< in: physical record */
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const ulint* offsets1,/*!< in: rec_get_offsets(rec1, index) */
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const ulint* offsets2,/*!< in: rec_get_offsets(rec2, index) */
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dict_index_t* index) /*!< in: data dictionary index */
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{
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ulint match_f = 0;
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ulint match_b = 0;
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return(cmp_rec_rec_with_match(rec1, rec2, offsets1, offsets2, index,
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&match_f, &match_b));
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}
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