memory-limited tree

bulk inserts optimization: caching keys in binary tree


include/my_base.h:
  bulk inserts optimization: caching keys in binary tree
include/my_tree.h:
  memory-limited tree
include/myisam.h:
  bulk inserts optimization: caching keys in binary tree
isam/isamlog.c:
  memory-limited tree
isam/pack_isam.c:
  memory-limited tree
myisam/ft_boolean_search.c:
  memory-limited tree
myisam/ft_nlq_search.c:
  memory-limited tree
myisam/ft_parser.c:
  memory-limited tree
myisam/ft_stopwords.c:
  memory-limited tree
myisam/mi_extra.c:
  bulk inserts optimization: caching keys in binary tree
myisam/mi_open.c:
  bulk inserts optimization: caching keys in binary tree
myisam/mi_static.c:
  bulk inserts optimization: caching keys in binary tree
myisam/mi_write.c:
  bulk inserts optimization: caching keys in binary tree
myisam/myisamdef.h:
  bulk inserts optimization: caching keys in binary tree
myisam/myisamlog.c:
  memory-limited tree
myisam/myisampack.c:
  memory-limited tree
mysql-test/mysql-test-run.sh:
  memory-limited tree
mysql-test/t/alter_table.test:
  make it faster
mysys/tree.c:
  memory-limited tree
sql/ha_myisam.cc:
  bulk inserts optimization: caching keys in binary tree
sql/item_sum.cc:
  memory-limited tree
sql/mysqld.cc:
  bulk inserts optimization: caching keys in binary tree
sql/sql_analyse.h:
  memory-limited tree
sql/uniques.cc:
  memory-limited tree

3 files changed, 13 insertions, 7 deletions

diff --git a/include/my_base.h b/include/my_base.h
index aee9f7af3f1..7e63b72c934 100644
--- a/include/my_base.h
+++ b/include/my_base.h
@@ -91,7 +91,9 @@ enum ha_extra_function {
   HA_EXTRA_RESET_STATE,			/* Reset positions */
   HA_EXTRA_IGNORE_DUP_KEY,		/* Dup keys don't rollback everything*/
   HA_EXTRA_NO_IGNORE_DUP_KEY,
-  HA_EXTRA_DONT_USE_CURSOR_TO_UPDATE	/* Cursor will not be used for update */
+  HA_EXTRA_DONT_USE_CURSOR_TO_UPDATE,	/* Cursor will not be used for update */
+  HA_EXTRA_BULK_INSERT_BEGIN,
+  HA_EXTRA_BULK_INSERT_END
 };
 
 	/* The following is parameter to ha_panic() */
diff --git a/include/my_tree.h b/include/my_tree.h
index be95e3ff4d2..d3adbe17e6f 100644
--- a/include/my_tree.h
+++ b/include/my_tree.h
@@ -32,6 +32,9 @@ typedef enum { left_root_right, right_root_left } TREE_WALK;
 typedef uint32 element_count;
 typedef int (*tree_walk_action)(void *,element_count,void *);
 
+typedef enum { free_init, free_free, free_end } TREE_FREE;
+typedef void (*tree_element_free)(void*, TREE_FREE, void *);
+
 #ifdef MSDOS
 typedef struct st_tree_element {
   struct st_tree_element *left,*right;
@@ -49,18 +52,18 @@ typedef struct st_tree_element {
 typedef struct st_tree {
   TREE_ELEMENT *root,null_element;
   TREE_ELEMENT **parents[MAX_TREE_HIGHT];
-  uint offset_to_key,elements_in_tree,size_of_element;
+  uint offset_to_key,elements_in_tree,size_of_element,memory_limit,allocated;
   qsort_cmp2 compare;
-  void* cmp_arg;
+  void* custom_arg;
   MEM_ROOT mem_root;
   my_bool with_delete;
-  void (*free)(void *);
+  tree_element_free free;
 } TREE;
 
 	/* Functions on whole tree */
-void init_tree(TREE *tree,uint default_alloc_size, int element_size,
-	       qsort_cmp2 compare, my_bool with_delete,
-	       void (*free_element)(void*));
+void init_tree(TREE *tree, uint default_alloc_size, uint memory_limit,
+               int size, qsort_cmp2 compare, my_bool with_delete,
+	       tree_element_free free_element, void *custom_arg);
 void delete_tree(TREE*);
 void reset_tree(TREE*);
   /* similar to delete tree, except we do not my_free() blocks in mem_root
diff --git a/include/myisam.h b/include/myisam.h
index 34babba163c..ec141bb5912 100644
--- a/include/myisam.h
+++ b/include/myisam.h
@@ -190,6 +190,7 @@ extern uint myisam_block_size;
 extern my_bool myisam_flush,myisam_delay_key_write,myisam_single_user;
 extern my_bool myisam_concurrent_insert;
 extern my_off_t myisam_max_temp_length,myisam_max_extra_temp_length;
+extern uint myisam_bulk_insert_tree_size;
 
 	/* Prototypes for myisam-functions */