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Code Activity

WL#2985 "Partition Pruning"

Browse Source 
sql/ha_ndbcluster.cc:
  WL#2985 "Partition Pruning": added part_info->used_partitions initialization
sql/ha_partition.cc:
  WL#2985 "Partition Pruning": added part_info->used_partitions initialization
sql/handler.h:
  WL#2985 "Partition Pruning": 
  Added function prototypes
  in partition_info:
   - Added 'used_partitions' bitmap
   - Added comments
sql/item.h:
  WL#2985 "Partition Pruning": 
  - added enum monotonicity_info
  - added virtual Item::get_monotonicity_info()
sql/item_timefunc.cc:
  WL#2985 "Partition Pruning": 
  - added Item_func_to_days::get_monotonicity_info()
  - added Item_func_year::get_monotonicity_info()
sql/item_timefunc.h:
  WL#2985 "Partition Pruning": 
  - added Item_func_to_days::get_monotonicity_info()
  - added Item_func_year::get_monotonicity_info()
sql/opt_range.cc:
  WL#2985 "Partition Pruning":
  - Split out PARAM structure into PARAM and RANGE_OPT_PARAM part.
  - Added partition pruning module code.
sql/opt_range.h:
  WL#2985 "Partition Pruning": 
  Added prune_partitions() function declaration. This is the entry point for partition pruning 
  module
sql/sql_class.cc:
  WL#2985 "Partition Pruning": added support for "EXPLAIN PARTITIONS SELECT ..."
sql/sql_lex.h:
  WL#2985 "Partition Pruning": added support for "EXPLAIN PARTITIONS SELECT ..."
sql/sql_partition.cc:
  WL#2985 "Partition Pruning": 
   - Added get_list_array_idx_for_endpoint and get_range_... functions to support partition 
     pruning on "partition_field < const"-like intervals.
   - Added partition_info::used_partitions bitmap.
   - Added make_used_partitions_str function
   - Fixed BUG#15819
sql/sql_select.cc:
  WL#2985 "Partition Pruning": 
  - Added prune_partitions() invocation right before the range analysis
  - Added code to handle return value from prune_partitions()
  - Added support for "EXPLAIN PARTITIONS SELECT ..."
sql/sql_yacc.yy:
  #2985 "Partition Pruning": added support for "EXPLAIN PARTITIONS SELECT ..."
This commit is contained in:
unknown
2005-12-22 12:29:00 +03:00
parent cdfd9f7f6f
commit f19fb8709c
15 changed files with 1743 additions and 48 deletions
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9
sql/opt_range.h
View File

@@ -249,6 +249,7 @@ public:
struct st_qsel_param;
class PARAM;
class SEL_ARG;
/*
@@ -283,12 +284,12 @@ protected:
QUICK_RANGE_SELECT *get_quick_select_for_ref(THD *thd, TABLE *table,
struct st_table_ref *ref,
ha_rows records);
friend bool get_quick_keys(struct st_qsel_param *param,
friend bool get_quick_keys(PARAM *param,
QUICK_RANGE_SELECT *quick,KEY_PART *key,
SEL_ARG *key_tree,
char *min_key, uint min_key_flag,
char *max_key, uint max_key_flag);
friend QUICK_RANGE_SELECT *get_quick_select(struct st_qsel_param*,uint idx,
friend QUICK_RANGE_SELECT *get_quick_select(PARAM*,uint idx,
SEL_ARG *key_tree,
MEM_ROOT *alloc);
friend class QUICK_SELECT_DESC;
@@ -718,4 +719,8 @@ QUICK_RANGE_SELECT *get_quick_select_for_ref(THD *thd, TABLE *table,
ha_rows records);
uint get_index_for_order(TABLE *table, ORDER *order, ha_rows limit);
#ifdef WITH_PARTITION_STORAGE_ENGINE
bool prune_partitions(THD *thd, TABLE *table, Item *pprune_cond);
#endif
#endif