database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-08-01 03:47:19 +03:00
Code Activity

memory-limited tree

Browse Source 
bulk inserts optimization: caching keys in binary tree
This commit is contained in:
serg@serg.mysql.com
2001-07-02 21:18:57 +02:00
parent 3c7cc2285c
commit 15b6738474
24 changed files with 262 additions and 97 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
sql/sql_analyse.h
View File

@ -114,9 +114,9 @@ public:
max_arg(""), sum(0),
must_be_blob(0), was_zero_fill(0),
was_maybe_zerofill(0), can_be_still_num(1)
{ init_tree(&tree, 0, sizeof(String), a->binary ?
{ init_tree(&tree, 0, 0, sizeof(String), a->binary ?
(qsort_cmp2) stringcmp2 : (qsort_cmp2) sortcmp2,
0, (void (*)(void*)) free_string); };
0, (tree_element_free) free_string, NULL); };
void add();
void get_opt_type(String*, ha_rows);
@ -154,8 +154,8 @@ class field_real: public field_info
public:
field_real(Item* a, analyse* b) :field_info(a,b),
min_arg(0), max_arg(0), sum(0), sum_sqr(0), max_notzero_dec_len(0)
{ init_tree(&tree, 0, sizeof(double),
(qsort_cmp2) compare_double2, 0, NULL); }
{ init_tree(&tree, 0, 0, sizeof(double),
(qsort_cmp2) compare_double2, 0, NULL, NULL); }
void add();
void get_opt_type(String*, ha_rows);
@ -200,8 +200,8 @@ class field_longlong: public field_info
public:
field_longlong(Item* a, analyse* b) :field_info(a,b),
min_arg(0), max_arg(0), sum(0), sum_sqr(0)
{ init_tree(&tree, 0, sizeof(longlong),
(qsort_cmp2) compare_longlong2, 0, NULL); }
{ init_tree(&tree, 0, 0, sizeof(longlong),
(qsort_cmp2) compare_longlong2, 0, NULL, NULL); }
void add();
void get_opt_type(String*, ha_rows);
@ -245,8 +245,8 @@ class field_ulonglong: public field_info
public:
field_ulonglong(Item* a, analyse * b) :field_info(a,b),
min_arg(0), max_arg(0), sum(0),sum_sqr(0)
{ init_tree(&tree, 0, sizeof(ulonglong),
(qsort_cmp2) compare_ulonglong2, 0, NULL); }
{ init_tree(&tree, 0, 0, sizeof(ulonglong),
(qsort_cmp2) compare_ulonglong2, 0, NULL, NULL); }
void add();
void get_opt_type(String*, ha_rows);
String *get_min_arg(String *s) { s->set(min_arg); return s; }