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  • Committer: Monty Taylor
  • Date: 2009-04-14 19:16:51 UTC
  • mto: (997.2.5 mordred)
  • mto: This revision was merged to the branch mainline in revision 994.
  • Revision ID: mordred@inaugust.com-20090414191651-ltbww6hpqks8k7qk
Clarified instructions in README.

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drizzled/sql_derived.cc
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  Derived tables
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  These were introduced by Sinisa <sinisa@mysql.com>
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*/
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#include "config.h"
 
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#include "drizzled/server_includes.h"
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#include "drizzled/sql_select.h"
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namespace drizzled
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{
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/*
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  Call given derived table processor (preparing or filling tables)
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    */
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    if ((res= derived_result->create_result_table(session, &unit->types, false,
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                                                  create_options,
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                                                  orig_table_list->alias)))
 
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                                                  orig_table_list->alias,
 
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                                                  false)))
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      goto exit;
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    table= derived_result->table;
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      orig_table_list->table_name=        table->s->table_name.str;
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      orig_table_list->table_name_length= table->s->table_name.length;
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      table->derived_select_number= first_select->select_number;
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      table->s->tmp_table= message::Table::TEMPORARY;
 
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      table->s->tmp_table= NON_TRANSACTIONAL_TMP_TABLE;
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      orig_table_list->db= (char *)"";
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      orig_table_list->db_length= 0;
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      /* Force read of table stats in the optimizer */
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      table->cursor->info(HA_STATUS_VARIABLE);
 
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      table->file->info(HA_STATUS_VARIABLE);
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      /* Add new temporary table to list of open derived tables */
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      table->next= session->derived_tables;
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      session->derived_tables= table;
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  }
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  return res;
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}
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} /* namespace drizzled */