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Viewing changes to drizzled/optimizer/sel_imerge.h

  • Committer: Package Import Robot
  • Author(s): Clint Byrum
  • Date: 2012-06-19 10:46:49 UTC
  • mfrom: (1.1.6)
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20120619104649-e2l0ggd4oz3um0f4
Tags: upstream-7.1.36-stable
Import upstream version 7.1.36-stable

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drizzled/optimizer/sel_imerge.h
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#include <drizzled/memory/sql_alloc.h>
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namespace drizzled
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{
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namespace optimizer
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{
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class RangeParameter;
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class SEL_TREE;
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class SEL_ARG;
 
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namespace drizzled {
 
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namespace optimizer {
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/*
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  SEL_IMERGE is a list of possible ways to do index merge, i.e. it is
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     0 - OK
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     -1 - Out of memory.
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   */
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  int or_sel_tree(RangeParameter *param, SEL_TREE *tree);
 
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  void or_sel_tree(RangeParameter *param, SEL_TREE *tree);
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  /*
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     Perform OR operation on this SEL_IMERGE and supplied optimizer::SEL_TREE new_tree,
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     and (*this) should be discarded.
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     -1  An error occurred.
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   */
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  int or_sel_tree_with_checks(optimizer::RangeParameter *param, optimizer::SEL_TREE *new_tree);
 
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  int or_sel_tree_with_checks(RangeParameter&, SEL_TREE&);
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  /*
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     Perform OR operation on this index_merge and supplied index_merge list.
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     should be discarded.
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     -1 - An error occurred
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   */
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  int or_sel_imerge_with_checks(optimizer::RangeParameter *param, SEL_IMERGE* imerge);
 
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  int or_sel_imerge_with_checks(RangeParameter&, SEL_IMERGE&);
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};
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