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Viewing changes to drizzled/join_table.h

  • Committer: Monty Taylor
  • Date: 2009-12-27 00:49:03 UTC
  • mto: This revision was merged to the branch mainline in revision 1255.
  • Revision ID: mordred@inaugust.com-20091227004903-maw7ktxu6i6hye9b
Moved mem_root functions into drizzled::memory:: namespace.

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drizzled/join_table.h
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#include "drizzled/join_cache.h"
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#include "drizzled/optimizer/key_use.h"
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#include "drizzled/records.h"
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#include <bitset>
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namespace drizzled
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{
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/* Values for JoinTable::packed_info */
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#define TAB_INFO_HAVE_VALUE 1
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#define TAB_INFO_USING_INDEX 2
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    embedding_map(0)
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  {}
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  Table *table;
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  optimizer::KeyUse *keyuse; /**< pointer to first used key */
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  optimizer::SqlSelect *select;
 
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  drizzled::optimizer::KeyUse *keyuse; /**< pointer to first used key */
 
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  drizzled::optimizer::SqlSelect *select;
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  COND *select_cond;
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  optimizer::QuickSelectInterface *quick;
 
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  drizzled::optimizer::QuickSelectInterface *quick;
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  /**
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    The value of select_cond before we've attempted to do Index Condition
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    Pushdown. We may need to restore everything back if we first choose one
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  Read_record_func read_first_record;
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  Next_select_func next_select;
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  ReadRecord    read_record;
 
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  READ_RECORD   read_record;
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  /*
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    Currently the following two fields are used only for a [NOT] IN subquery
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    if it is executed by an alternative full table scan when the left operand of
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    the subquery predicate is evaluated to NULL.
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  */
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  Read_record_func save_read_first_record; /**< to save read_first_record */
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  int (*save_read_record) (ReadRecord *); /**< to save read_record.read_record */
 
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  int (*save_read_record) (READ_RECORD *); /**< to save read_record.read_record */
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  double worst_seeks;
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  key_map       const_keys; /**< Keys with constant part */
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  key_map       checked_keys; /**< Keys checked in find_best */
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  */
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  ha_rows limit;
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  table_reference_st    ref;
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  JoinCache cache;
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  Join *join;
 
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  JOIN_CACHE cache;
 
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  JOIN *join;
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  /**
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     ptr  - this join tab should do an InsideOut scan. Points
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  {
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    return (select && select->quick &&
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            (select->quick->get_type() ==
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             optimizer::QuickSelectInterface::QS_TYPE_GROUP_MIN_MAX));
 
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             drizzled::optimizer::QuickSelectInterface::QS_TYPE_GROUP_MIN_MAX));
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  }
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  void readCachedRecord();
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};
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} /* namespace drizzled */
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#endif /* DRIZZLED_JOIN_TABLE_H */