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Viewing changes to drizzled/filesort.h

  • 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/filesort.h
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  This will replace Table_ident.
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  */
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#ifndef DRIZZLED_FILESORT_H
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#define DRIZZLED_FILESORT_H
 
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#pragma once
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namespace drizzled {
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class Session;
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class Table;
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class SortField;
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namespace optimizer {
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class SqlSelect;
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}
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class SortParam;
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class FileSort {
 
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class FileSort 
 
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{
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  Session &_session;
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  uint32_t sortlength(SortField *sortorder, uint32_t s_length, bool *multi_byte_charset);
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  ha_rows find_all_keys(SortParam *param, 
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                        optimizer::SqlSelect *select,
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                        unsigned char **sort_keys,
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                        internal::IO_CACHE *buffpek_pointers,
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                        internal::IO_CACHE *tempfile, internal::IO_CACHE *indexfile);
 
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                        internal::io_cache_st *buffpek_pointers,
 
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                        internal::io_cache_st *tempfile, internal::io_cache_st *indexfile);
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  int merge_buffers(SortParam *param,internal::IO_CACHE *from_file,
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                    internal::IO_CACHE *to_file, unsigned char *sort_buffer,
 
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  int merge_buffers(SortParam *param,internal::io_cache_st *from_file,
 
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                    internal::io_cache_st *to_file, unsigned char *sort_buffer,
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                    buffpek *lastbuff,
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                    buffpek *Fb,
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                    buffpek *Tb,int flag);
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                  unsigned char *sort_buffer,
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                  buffpek *buffpek,
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                  uint32_t maxbuffer,
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                  internal::IO_CACHE *tempfile,
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                  internal::IO_CACHE *outfile);
 
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                  internal::io_cache_st *tempfile,
 
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                  internal::io_cache_st *outfile);
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  int merge_many_buff(SortParam *param, unsigned char *sort_buffer,
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                      buffpek *buffpek,
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                      uint32_t *maxbuffer, internal::IO_CACHE *t_file);
 
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                      uint32_t *maxbuffer, internal::io_cache_st *t_file);
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  uint32_t read_to_buffer(internal::IO_CACHE *fromfile, buffpek *buffpek,
 
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  uint32_t read_to_buffer(internal::io_cache_st *fromfile, buffpek *buffpek,
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                          uint32_t sort_length);
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} /* namespace drizzled */
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#endif /* DRIZZLED_FILESORT_H */