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390.1.2
by Monty Taylor
Fixed copyright headers in drizzled/ |
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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*
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1010
by Brian Aker
Replacing Sun employee copyright headers (aka... anything done by a Sun |
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* Copyright (C) 2008 Sun Microsystems
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390.1.2
by Monty Taylor
Fixed copyright headers in drizzled/ |
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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327.1.2
by Brian Aker
Commiting next pass of Table class cleanup. |
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#ifndef DRIZZLED_SJ_TMP_TABLE_H
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#define DRIZZLED_SJ_TMP_TABLE_H
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#include <drizzled/server_includes.h> |
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#include "table.h" |
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/*
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Describes use of one temporary table to weed out join duplicates.
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The temporar
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Used to
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- create a temp table
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- when we reach the weed-out tab, walk through rowid-ed tabs and
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and copy rowids.
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For each table we need
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- rowid offset
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- null bit address.
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*/
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class SJ_TMP_TABLE : public Sql_alloc |
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{
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public: |
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/* Array of pointers to tables that should be "used" */
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class TAB |
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{
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public: |
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struct st_join_table *join_tab; |
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438.1.13
by Brian Aker
uint cleanup. |
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uint32_t rowid_offset; |
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uint16_t null_byte; |
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unsigned char null_bit; |
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327.1.2
by Brian Aker
Commiting next pass of Table class cleanup. |
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};
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TAB *tabs; |
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TAB *tabs_end; |
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438.1.13
by Brian Aker
uint cleanup. |
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uint32_t null_bits; |
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uint32_t null_bytes; |
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uint32_t rowid_len; |
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327.1.2
by Brian Aker
Commiting next pass of Table class cleanup. |
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327.1.5
by Brian Aker
Refactor around classes. TABLE_LIST has been factored out of table.h |
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Table *tmp_table; |
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327.1.2
by Brian Aker
Commiting next pass of Table class cleanup. |
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MI_COLUMNDEF *start_recinfo; |
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MI_COLUMNDEF *recinfo; |
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/* Pointer to next table (next->start_idx > this->end_idx) */
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660.1.3
by Eric Herman
removed trailing whitespace with simple script: |
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SJ_TMP_TABLE *next; |
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327.1.2
by Brian Aker
Commiting next pass of Table class cleanup. |
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};
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660.1.3
by Eric Herman
removed trailing whitespace with simple script: |
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Table *create_duplicate_weedout_tmp_table(Session *session, |
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438.1.13
by Brian Aker
uint cleanup. |
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uint32_t uniq_tuple_length_arg, |
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327.1.2
by Brian Aker
Commiting next pass of Table class cleanup. |
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SJ_TMP_TABLE *sjtbl); |
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#endif /* DRIZZLED_SJ_TMP_TABLE_H */ |