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Merged in latest plugin-slot-reorg.

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mysys/my_tree.h
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#endif
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#include <drizzled/base.h>              /* get 'enum ha_rkey_function' */
 
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#include <mysys/my_sys.h>
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/* Worst case tree is half full. This gives use 2^(MAX_TREE_HEIGHT/2) leafs */
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#define MAX_TREE_HEIGHT 64
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#define is_tree_inited(tree) ((tree)->root != 0)
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        /* Functions on leafs */
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TREE_ELEMENT *tree_insert(TREE *tree,void *key, uint32_t key_size, 
 
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TREE_ELEMENT *tree_insert(TREE *tree,void *key, uint32_t key_size,
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                          void *custom_arg);
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void *tree_search(TREE *tree, void *key, void *custom_arg);
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int tree_walk(TREE *tree,tree_walk_action action,
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              void *argument, TREE_WALK visit);
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int tree_delete(TREE *tree, void *key, uint32_t key_size, void *custom_arg);
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void *tree_search_key(TREE *tree, const void *key, 
 
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void *tree_search_key(TREE *tree, const void *key,
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                      TREE_ELEMENT **parents, TREE_ELEMENT ***last_pos,
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                      enum ha_rkey_function flag, void *custom_arg);
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void *tree_search_edge(TREE *tree, TREE_ELEMENT **parents, 
 
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void *tree_search_edge(TREE *tree, TREE_ELEMENT **parents,
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                        TREE_ELEMENT ***last_pos, int child_offs);
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void *tree_search_next(TREE *tree, TREE_ELEMENT ***last_pos, int l_offs, 
 
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void *tree_search_next(TREE *tree, TREE_ELEMENT ***last_pos, int l_offs,
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                       int r_offs);
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ha_rows tree_record_pos(TREE *tree, const void *key, 
 
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ha_rows tree_record_pos(TREE *tree, const void *key,
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                     enum ha_rkey_function search_flag, void *custom_arg);
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#define TREE_ELEMENT_EXTRA_SIZE (sizeof(TREE_ELEMENT) + sizeof(void*))