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Merge of mwl #106 into 5.3.

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This commit is contained in:
Igor Babaev
2011-06-15 21:48:38 -07:00
parent a9d73e093a ab411f8f1c
commit 078b59f5bc
101 changed files with 4492 additions and 1107 deletions
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94
sql/mysql_priv.h
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@ -61,12 +61,15 @@ class Parser_state;
QT_ORDINARY -- ordinary SQL query.
QT_IS -- SQL query to be shown in INFORMATION_SCHEMA (in utf8 and without
character set introducers).
character set introducers).
QT_VIEW_INTERNAL -- view internal representation (like QT_ORDINARY except
ORDER BY clause)
*/
enum enum_query_type
{
QT_ORDINARY,
QT_IS
QT_IS,
QT_VIEW_INTERNAL
};
/* TODO convert all these three maps to Bitmap classes */
@ -515,7 +518,6 @@ protected:
#define OPTION_PROFILING (ULL(1) << 33)
/**
Maximum length of time zone name that we support
(Time zone name is char(64) in db). mysqlbinlog needs it.
@ -566,36 +568,37 @@ protected:
#define OPTIMIZER_SWITCH_INDEX_MERGE_INTERSECT 8
#define OPTIMIZER_SWITCH_INDEX_MERGE_SORT_INTERSECT 16
#define OPTIMIZER_SWITCH_INDEX_COND_PUSHDOWN 32
#define OPTIMIZER_SWITCH_FIRSTMATCH 64
#define OPTIMIZER_SWITCH_LOOSE_SCAN 128
#define OPTIMIZER_SWITCH_MATERIALIZATION 256
#define OPTIMIZER_SWITCH_IN_TO_EXISTS 512
#define OPTIMIZER_SWITCH_SEMIJOIN 1024
#define OPTIMIZER_SWITCH_PARTIAL_MATCH_ROWID_MERGE (1<<11)
#define OPTIMIZER_SWITCH_PARTIAL_MATCH_TABLE_SCAN (1<<12)
#define OPTIMIZER_SWITCH_SUBQUERY_CACHE (1<<13)
#define OPTIMIZER_SWITCH_DERIVED_MERGE 64
#define OPTIMIZER_SWITCH_DERIVED_WITH_KEYS 128
#define OPTIMIZER_SWITCH_FIRSTMATCH 256
#define OPTIMIZER_SWITCH_LOOSE_SCAN 512
#define OPTIMIZER_SWITCH_MATERIALIZATION 1024
#define OPTIMIZER_SWITCH_IN_TO_EXISTS (1<<11)
#define OPTIMIZER_SWITCH_SEMIJOIN (1<<12)
#define OPTIMIZER_SWITCH_PARTIAL_MATCH_ROWID_MERGE (1<<13)
#define OPTIMIZER_SWITCH_PARTIAL_MATCH_TABLE_SCAN (1<<14)
#define OPTIMIZER_SWITCH_SUBQUERY_CACHE (1<<15)
/** If this is off, MRR is never used. */
#define OPTIMIZER_SWITCH_MRR (1ULL << 14)
#define OPTIMIZER_SWITCH_MRR (1ULL << 16)
/**
If OPTIMIZER_SWITCH_MRR is on and this is on, MRR is used depending on a
cost-based choice ("automatic"). If OPTIMIZER_SWITCH_MRR is on and this is
off, MRR is "forced" (i.e. used as long as the storage engine is capable of
doing it).
*/
#define OPTIMIZER_SWITCH_MRR_COST_BASED (1ULL << 15)
#define OPTIMIZER_SWITCH_MRR_SORT_KEYS (1ULL << 16)
#define OPTIMIZER_SWITCH_OUTER_JOIN_WITH_CACHE (1ULL << 17)
#define OPTIMIZER_SWITCH_SEMIJOIN_WITH_CACHE (1ULL << 18)
#define OPTIMIZER_SWITCH_JOIN_CACHE_INCREMENTAL (1ULL << 19)
#define OPTIMIZER_SWITCH_JOIN_CACHE_HASHED (1ULL << 20)
#define OPTIMIZER_SWITCH_JOIN_CACHE_BKA (1ULL << 21)
#define OPTIMIZER_SWITCH_OPTIMIZE_JOIN_BUFFER_SIZE (1ULL << 22)
#define OPTIMIZER_SWITCH_MRR_COST_BASED (1ULL << 17)
#define OPTIMIZER_SWITCH_MRR_SORT_KEYS (1ULL << 18)
#define OPTIMIZER_SWITCH_OUTER_JOIN_WITH_CACHE (1ULL << 19)
#define OPTIMIZER_SWITCH_SEMIJOIN_WITH_CACHE (1ULL << 20)
#define OPTIMIZER_SWITCH_JOIN_CACHE_INCREMENTAL (1ULL << 21)
#define OPTIMIZER_SWITCH_JOIN_CACHE_HASHED (1ULL << 22)
#define OPTIMIZER_SWITCH_JOIN_CACHE_BKA (1ULL << 23)
#define OPTIMIZER_SWITCH_OPTIMIZE_JOIN_BUFFER_SIZE (1ULL << 24)
#ifdef DBUG_OFF
# define OPTIMIZER_SWITCH_LAST (1ULL << 23)
# define OPTIMIZER_SWITCH_LAST (1ULL << 25)
#else
# define OPTIMIZER_SWITCH_TABLE_ELIMINATION (1ULL << 23)
# define OPTIMIZER_SWITCH_LAST (1ULL << 24)
# define OPTIMIZER_SWITCH_TABLE_ELIMINATION (1ULL << 25)
# define OPTIMIZER_SWITCH_LAST (1ULL << 26)
#endif
#ifdef DBUG_OFF
@ -610,6 +613,8 @@ enabled by default, add OPTIMIZER_SWITCH_MATERIALIZATION
OPTIMIZER_SWITCH_INDEX_MERGE_SORT_UNION | \
OPTIMIZER_SWITCH_INDEX_MERGE_INTERSECT | \
OPTIMIZER_SWITCH_INDEX_COND_PUSHDOWN | \
OPTIMIZER_SWITCH_DERIVED_MERGE | \
OPTIMIZER_SWITCH_DERIVED_WITH_KEYS | \
OPTIMIZER_SWITCH_FIRSTMATCH | \
OPTIMIZER_SWITCH_LOOSE_SCAN | \
OPTIMIZER_SWITCH_IN_TO_EXISTS | \
@ -630,6 +635,8 @@ enabled by default, add OPTIMIZER_SWITCH_MATERIALIZATION
OPTIMIZER_SWITCH_INDEX_MERGE_SORT_UNION | \
OPTIMIZER_SWITCH_INDEX_MERGE_INTERSECT | \
OPTIMIZER_SWITCH_INDEX_COND_PUSHDOWN | \
OPTIMIZER_SWITCH_DERIVED_MERGE | \
OPTIMIZER_SWITCH_DERIVED_WITH_KEYS | \
OPTIMIZER_SWITCH_TABLE_ELIMINATION | \
OPTIMIZER_SWITCH_FIRSTMATCH | \
OPTIMIZER_SWITCH_LOOSE_SCAN | \
@ -1405,11 +1412,9 @@ int mysql_explain_select(THD *thd, SELECT_LEX *sl, char const *type,
select_result *result);
bool mysql_union(THD *thd, LEX *lex, select_result *result,
SELECT_LEX_UNIT *unit, ulong setup_tables_done_option);
bool mysql_handle_derived(LEX *lex, bool (*processor)(THD *thd,
LEX *lex,
TABLE_LIST *table));
bool mysql_derived_prepare(THD *thd, LEX *lex, TABLE_LIST *t);
bool mysql_derived_filling(THD *thd, LEX *lex, TABLE_LIST *t);
bool mysql_handle_derived(LEX *lex, uint phases);
bool mysql_handle_single_derived(LEX *lex, TABLE_LIST *derived, uint phases);
bool mysql_handle_list_of_derived(LEX *lex, TABLE_LIST *dt_list, uint phases);
bool check_table_file_presence(char *old_path, char *path,
const char *db,
const char *table_name,
@ -1423,6 +1428,11 @@ Field *create_tmp_field(THD *thd, TABLE *table,Item *item, Item::Type type,
bool make_copy_field,
uint convert_blob_length);
bool open_tmp_table(TABLE *table);
bool create_internal_tmp_table(TABLE *table, KEY *keyinfo,
ENGINE_COLUMNDEF *start_recinfo,
ENGINE_COLUMNDEF **recinfo,
ulonglong options);
void sp_prepare_create_field(THD *thd, Create_field *sql_field);
int prepare_create_field(Create_field *sql_field,
uint *blob_columns,
@ -1730,17 +1740,21 @@ bool get_key_map_from_key_list(key_map *map, TABLE *table,
bool insert_fields(THD *thd, Name_resolution_context *context,
const char *db_name, const char *table_name,
List_iterator<Item> *it, bool any_privileges);
void make_leaves_list(List<TABLE_LIST> &list, TABLE_LIST *tables,
bool full_table_list, TABLE_LIST *boundary);
bool setup_tables(THD *thd, Name_resolution_context *context,
List<TABLE_LIST> *from_clause, TABLE_LIST *tables,
TABLE_LIST **leaves, bool select_insert);
List<TABLE_LIST> &leaves, bool select_insert,
bool full_table_list);
bool setup_tables_and_check_access(THD *thd,
Name_resolution_context *context,
List<TABLE_LIST> *from_clause,
TABLE_LIST *tables,
TABLE_LIST **leaves,
List<TABLE_LIST> &leaves,
bool select_insert,
ulong want_access_first,
ulong want_access);
ulong want_access,
bool full_table_list);
int setup_wild(THD *thd, TABLE_LIST *tables, List<Item> &fields,
List<Item> *sum_func_list, uint wild_num);
bool setup_fields(THD *thd, Item** ref_pointer_array,
@ -1759,7 +1773,7 @@ inline bool setup_fields_with_no_wrap(THD *thd, Item **ref_pointer_array,
thd->lex->select_lex.no_wrap_view_item= FALSE;
return res;
}
int setup_conds(THD *thd, TABLE_LIST *tables, TABLE_LIST *leaves,
int setup_conds(THD *thd, TABLE_LIST *tables, List<TABLE_LIST> &leaves,
COND **conds);
void wrap_ident(THD *thd, Item **conds);
int setup_ftfuncs(SELECT_LEX* select);
@ -1782,7 +1796,8 @@ inline int open_and_lock_tables(THD *thd, TABLE_LIST *tables)
/* simple open_and_lock_tables without derived handling for single table */
TABLE *open_n_lock_single_table(THD *thd, TABLE_LIST *table_l,
thr_lock_type lock_type);
bool open_normal_and_derived_tables(THD *thd, TABLE_LIST *tables, uint flags);
bool open_normal_and_derived_tables(THD *thd, TABLE_LIST *tables, uint flags,
uint dt_phases);
int lock_tables(THD *thd, TABLE_LIST *tables, uint counter, bool *need_reopen);
int decide_logging_format(THD *thd, TABLE_LIST *tables);
TABLE *open_temporary_table(THD *thd, const char *path, const char *db,
@ -1812,6 +1827,7 @@ void flush_tables();
bool is_equal(const LEX_STRING *a, const LEX_STRING *b);
char *make_default_log_name(char *buff,const char* log_ext);
char *make_once_alloced_filename(const char *basename, const char *ext);
void unfix_fields(List<Item> &items);
#ifdef WITH_PARTITION_STORAGE_ENGINE
uint fast_alter_partition_table(THD *thd, TABLE *table,
@ -2703,7 +2719,7 @@ Item * all_any_subquery_creator(Item *left_expr,
inline void setup_table_map(TABLE *table, TABLE_LIST *table_list, uint tablenr)
{
table->used_fields= 0;
table->const_table= 0;
table_list->reset_const_table();
table->null_row= 0;
table->status= STATUS_NO_RECORD;
table->maybe_null= table_list->outer_join;
@ -2719,6 +2735,14 @@ inline void setup_table_map(TABLE *table, TABLE_LIST *table_list, uint tablenr)
table->force_index_order= table->force_index_group= 0;
table->covering_keys= table->s->keys_for_keyread;
table->merge_keys.clear_all();
TABLE_LIST *orig= table_list->select_lex ?
table_list->select_lex->master_unit()->derived : 0;
if (!orig || !orig->is_merged_derived())
{
/* Tables merged from derived were set up already.*/
table->covering_keys= table->s->keys_for_keyread;
table->merge_keys.clear_all();
}
}