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  • Committer: Brian Aker
  • Date: 2009-12-06 01:55:53 UTC
  • mfrom: (1238.1.5 push)
  • Revision ID: brian@gaz-20091206015553-cva833q4gvwj11ob
Bundle for staging.

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drizzled/sql_update.cc
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  Single table and multi table updates of tables.
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  Multi-table updates were introduced by Sinisa & Monty
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*/
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#include <drizzled/server_includes.h>
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#include <drizzled/sql_select.h>
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#include <drizzled/error.h>
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#include <drizzled/probes.h>
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#include <drizzled/sql_base.h>
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#include <drizzled/field/timestamp.h>
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#include <drizzled/sql_parse.h>
 
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#include "drizzled/server_includes.h"
 
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#include "drizzled/sql_select.h"
 
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#include "drizzled/error.h"
 
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#include "drizzled/probes.h"
 
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#include "drizzled/sql_base.h"
 
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#include "drizzled/field/timestamp.h"
 
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#include "drizzled/sql_parse.h"
 
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#include "drizzled/optimizer/range.h"
 
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#include "drizzled/records.h"
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#include <list>
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using namespace std;
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using namespace drizzled;
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/**
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  Re-read record if more columns are needed for error message.
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  ha_rows       updated, found;
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  key_map       old_covering_keys;
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  Table         *table;
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  SQL_SELECT    *select;
 
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  optimizer::SQL_SELECT *select= NULL;
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  READ_RECORD   info;
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  Select_Lex    *select_lex= &session->lex->select_lex;
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  uint64_t     id;
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  /* Update the table->cursor->stats.records number */
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  table->cursor->info(HA_STATUS_VARIABLE | HA_STATUS_NO_LOCK);
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  select= make_select(table, 0, 0, conds, 0, &error);
 
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  select= optimizer::make_select(table, 0, 0, conds, 0, &error);
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  if (error || !limit ||
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      (select && select->check_quick(session, false, limit)))
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  {
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  }
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  if (!select && limit != HA_POS_ERROR)
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  {
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    if ((used_index= get_index_for_order(table, order, limit)) != MAX_KEY)
 
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    if ((used_index= optimizer::get_index_for_order(table, order, limit)) != MAX_KEY)
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      need_sort= false;
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  }
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  /* If running in safe sql mode, don't allow updates without keys */
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      }
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      else
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      {
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        select= new SQL_SELECT;
 
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        select= new optimizer::SQL_SELECT;
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        select->head=table;
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      }
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      if (reinit_io_cache(&tempfile,READ_CACHE,0L,0,0))