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  • Committer: Mark Atwood
  • Date: 2011-08-11 03:05:03 UTC
  • mfrom: (2385.1.12 refactor4)
  • Revision ID: me@mark.atwood.name-20110811030503-rp9xjihc5x3y0x4q
merge lp:~olafvdspek/drizzle/refactor4

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drizzled/join.h
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 * Defines the Join class
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 */
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#ifndef DRIZZLED_JOIN_H
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#define DRIZZLED_JOIN_H
 
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#pragma once
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#include <drizzled/dynamic_array.h>
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#include <drizzled/optimizer/position.h>
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#include <drizzled/session.h>
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#include <drizzled/sql_select.h>
 
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#include <drizzled/tmp_table_param.h>
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#include <bitset>
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namespace drizzled
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{
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class Session;
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class Join :public memory::SqlAlloc
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{
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  Join(const Join &rhs);                        /**< not implemented */
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  Join& operator=(const Join &rhs);             /**< not implemented */
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namespace drizzled {
 
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class Join : public memory::SqlAlloc, boost::noncopyable
 
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{
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  /**
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   * Contains a partial query execution plan which is extended during
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   * cost-based optimization.
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  }
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  inline void init_items_ref_array()
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  {
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    items0= ref_pointer_array + all_fields.elements;
 
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    items0= ref_pointer_array + all_fields.size();
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    memcpy(items0, ref_pointer_array, ref_pointer_array_size);
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    current_ref_pointer_array= items0;
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  }
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  /** Cleanup this Join, possibly for reuse */
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  void cleanup(bool full);
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  void clear();
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  bool save_join_tab();
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  bool init_save_join_tab();
 
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  void save_join_tab();
 
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  void init_save_join_tab();
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  bool send_row_on_empty_set()
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  {
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    return (do_send_rows && tmp_table_param.sum_func_count != 0 &&
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} /* namespace drizzled */
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#endif /* DRIZZLED_JOIN_H */