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Subquery code cleanups:

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- Make functions that operate on SJ_TMP_TABLE be member functions
- Make Loose_scan_opt data members private
This commit is contained in:
Sergey Petrunya
2011-11-25 23:54:36 +04:00
parent b796833e8d
commit 8325848b6e
4 changed files with 48 additions and 56 deletions
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10
sql/opt_subselect.h
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@ -40,7 +40,6 @@ ulonglong get_bound_sj_equalities(TABLE_LIST *sj_nest,
class Loose_scan_opt
{
public:
/* All methods must check this before doing anything else */
bool try_loosescan;
@ -71,6 +70,7 @@ public:
uint best_max_loose_keypart;
public:
Loose_scan_opt():
try_loosescan(FALSE),
bound_sj_equalities(0),
@ -288,10 +288,6 @@ void fix_semijoin_strategies_for_picked_join_order(JOIN *join);
bool setup_sj_materialization_part1(JOIN_TAB *sjm_tab);
bool setup_sj_materialization_part2(JOIN_TAB *sjm_tab);
TABLE *create_duplicate_weedout_tmp_table(THD *thd, uint uniq_tuple_length_arg,
SJ_TMP_TABLE *sjtbl);
int do_sj_reset(SJ_TMP_TABLE *sj_tbl);
int do_sj_dups_weedout(THD *thd, SJ_TMP_TABLE *sjtbl);
/*
Temporary table used by semi-join DuplicateElimination strategy
@ -359,6 +355,10 @@ public:
ENGINE_COLUMNDEF *recinfo;
SJ_TMP_TABLE *next_flush_table;
int sj_weedout_delete_rows();
int sj_weedout_check_row(THD *thd);
bool create_sj_weedout_tmp_table(THD *thd);
};
int setup_semijoin_dups_elimination(JOIN *join, ulonglong options,