summaryrefslogtreecommitdiff
path: root/include/my_handler.h
diff options
context:
space:
mode:
authorunknown <bar@gw.udmsearch.izhnet.ru>2002-04-25 13:36:55 +0500
committerunknown <bar@gw.udmsearch.izhnet.ru>2002-04-25 13:36:55 +0500
commit139a73cade4827ca2a41d6cfc9db379b2c696fa3 (patch)
tree5b8a058772659a40e41e2025e66f79531e604613 /include/my_handler.h
parent0e4445850dd29493d61e06650a7b2a430ca42ec8 (diff)
downloadmariadb-git-139a73cade4827ca2a41d6cfc9db379b2c696fa3.tar.gz
RB-Tree indexes support in HEAP tables
Renamed _hp_func -> hp_func mi_key_cmp moved to /mysys/my_handler.c New tests for HEAP tables heap/_check.c: RB-tree index Renamed _hp_func -> hp_func heap/_rectest.c: RB-tree index Renamed _hp_func -> hp_func heap/heapdef.h: RB-tree index Renamed _hp_func -> hp_func heap/hp_block.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_clear.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_close.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_create.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_delete.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_hash.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_open.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_panic.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_rename.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_rfirst.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_rkey.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_rlast.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_rnext.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_rprev.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_rrnd.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_rsame.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_scan.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_test1.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_test2.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_update.c: RB-tree index Renamed _hp_func -> hp_func heap/hp_write.c: RB-tree index Renamed _hp_func -> hp_func include/Makefile.am: New include include/heap.h: RB-Tree index include/my_tree.h: new search functions new custom_arg argument include/myisam.h: Removed MI_KEYSEG isam/isamlog.c: Add custom_arg isam/pack_isam.c: Add custom_arg myisam/ft_nlq_search.c: Add custom_arg myisam/ft_parser.c: Add custom_arg myisam/ft_stopwords.c: Add custom_arg myisam/mi_search.c: Remove mi_key_cmp myisam/mi_write.c: Add custom_arg myisam/myisamdef.h: Remove mi_key_cmp myisam/myisamlog.c: Add custom_arg myisam/myisampack.c: Add custom_arg mysys/Makefile.am: New file my_handler.c mysys/tree.c: custom_arg new search functions sql/ha_heap.cc: RBTree sql/ha_myisam.cc: RBTree sql/item_sum.cc: custom_arg sql/sql_analyse.cc: custom_arg sql/sql_class.h: custom_arg sql/sql_table.cc: Remove duplicate code sql/sql_yacc.yy: UNDEF by default sql/table.cc: Remove dirty hack
Diffstat (limited to 'include/my_handler.h')
-rw-r--r--include/my_handler.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/include/my_handler.h b/include/my_handler.h
new file mode 100644
index 00000000000..ddbb33cd93f
--- /dev/null
+++ b/include/my_handler.h
@@ -0,0 +1,63 @@
+/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with this library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ MA 02111-1307, USA */
+
+#ifndef _my_handler_h
+#define _my_handler_h
+
+#include "my_global.h"
+#include "my_base.h"
+#include "m_ctype.h"
+#include "myisampack.h"
+
+typedef struct st_MI_KEYSEG /* Key-portion */
+{
+ uint8 type; /* Type of key (for sort) */
+ uint8 language;
+ uint8 null_bit; /* bitmask to test for NULL */
+ uint8 bit_start,bit_end; /* if bit field */
+ uint16 flag;
+ uint16 length; /* Keylength */
+ uint32 start; /* Start of key in record */
+ uint32 null_pos; /* position to NULL indicator */
+ CHARSET_INFO *charset;
+} MI_KEYSEG;
+
+#define get_key_length(length,key) \
+{ if ((uchar) *(key) != 255) \
+ length= (uint) (uchar) *((key)++); \
+ else \
+ { length=mi_uint2korr((key)+1); (key)+=3; } \
+}
+
+#define get_key_pack_length(length,length_pack,key) \
+{ if ((uchar) *(key) != 255) \
+ { length= (uint) (uchar) *((key)++); length_pack=1; }\
+ else \
+ { length=mi_uint2korr((key)+1); (key)+=3; length_pack=3; } \
+}
+
+extern int _mi_compare_text(CHARSET_INFO *, uchar *, uint, uchar *, uint ,
+ my_bool);
+extern int _mi_key_cmp(register MI_KEYSEG *keyseg, register uchar *a,
+ register uchar *b, uint key_length, uint nextflag,
+ uint *diff_pos);
+
+extern int hp_rb_key_cmp(register MI_KEYSEG *keyseg, register uchar *a,
+ register uchar *b, uint key_length, uint nextflag,
+ uint *diff_pos);
+
+#endif /* _my_handler_h */