Added innobase handler files + other updates for innobase

Docs/manual.texi:
  Changelog
client/mysql.cc:
  Added optional argument to --i-am-a-dummy
sql/handler.cc:
  Fix for innobase
sql/handler.h:
  Fix for innobase
sql/sql_class.cc:
  Fix for innobase
sql/sql_db.cc:
  Fixed that DROP DATABASE works on OS/2

1 files changed, 182 insertions, 0 deletions

diff --git a/sql/ha_innobase.h b/sql/ha_innobase.h
new file mode 100644
index 00000000000..4bd6cc4a0c6
--- /dev/null
+++ b/sql/ha_innobase.h
@@ -0,0 +1,182 @@
+/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
+   && Innobase Oy
+   
+   -This file is modified from ha_berkeley.h of MySQL distribution-
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program 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 General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+#ifdef __GNUC__
+#pragma interface			/* gcc class implementation */
+#endif
+
+/* This file defines the Innobase handler: the interface between MySQL and
+Innobase */
+
+extern "C" {
+#include <data0types.h>
+#include <dict0types.h>
+#include <row0types.h>
+}
+
+typedef struct st_innobase_share {
+  THR_LOCK lock;
+  pthread_mutex_t mutex;
+  char *table_name;
+  uint table_name_length,use_count;
+} INNOBASE_SHARE;
+
+
+/* The class defining a handle to an Innobase table */
+class ha_innobase: public handler
+{
+  	void*	innobase_table_handle;	/* (dict_table_t*) pointer to a table
+					in Innobase data dictionary cache */
+	void*	innobase_prebuilt;	/* (row_prebuilt_t*) prebuilt
+					structs in Innobase, used to save
+					CPU */
+	THD*		user_thd;	/* the thread handle of the user
+					currently using the handle; this is
+					set in external_lock function */
+  	THR_LOCK_DATA 	lock;
+	INNOBASE_SHARE  *share;
+
+  	gptr 		alloc_ptr;
+	byte*		rec_buff;	/* buffer used in converting
+					rows from MySQL format
+					to Innobase format */
+  	byte*		upd_buff;	/* buffer used in updates */
+  	byte*		key_val_buff;	/* buffer used in converting
+  					search key values from MySQL format
+  					to Innobase format */
+	uint		ref_stored_len;	/* length of the key value stored to
+					'ref' buffer of the handle, if any */
+  	ulong 		int_option_flag;
+  	uint 		primary_key;
+	uint		last_dup_key;
+
+	uint		last_match_mode;/* match mode of the latest search:
+					ROW_SEL_EXACT or
+					ROW_SEL_EXACT_PREFIX or undefined */
+	
+	ulong max_row_length(const byte *buf);
+
+	uint store_key_val_for_row(uint keynr, char* buff, const byte* record);
+  	void convert_row_to_innobase(dtuple_t* row, char* record);
+	void convert_row_to_mysql(char*	record, dtuple_t* row);
+	dtuple_t* convert_key_to_innobase(dtuple_t* tuple, byte* buf,
+					dict_index_t* index,
+					KEY* key, byte*	key_ptr, int key_len);
+	int calc_row_difference(upd_t* uvect, byte* old_row, byte* new_row);
+	int update_thd(THD* thd);
+	int change_active_index(uint keynr);
+	int general_fetch(byte* buf, uint direction, uint match_mode);
+
+	/* Init values for the class: */
+ public:
+  	ha_innobase(TABLE *table): handler(table),
+		rec_buff(0),
+    		int_option_flag(HA_READ_NEXT | HA_READ_PREV | HA_READ_ORDER |
+		    HA_REC_NOT_IN_SEQ |
+		    HA_KEYPOS_TO_RNDPOS | HA_LASTKEY_ORDER |
+		    HA_HAVE_KEY_READ_ONLY | HA_READ_NOT_EXACT_KEY |
+		    HA_LONGLONG_KEYS | HA_NULL_KEY | HA_NO_BLOBS |
+		    HA_NOT_EXACT_COUNT |
+		    HA_NO_WRITE_DELAYED |
+		    HA_PRIMARY_KEY_IN_READ_INDEX | HA_DROP_BEFORE_CREATE),
+    		last_dup_key((uint) -1)
+  	{
+  	}
+  	~ha_innobase() {}
+
+  	const char* table_type() const { return("Innobase");}
+  	const char** bas_ext() const;
+ 	ulong option_flag() const { return int_option_flag; }
+  	uint max_record_length() const { return HA_MAX_REC_LENGTH; }
+  	uint max_keys()          const { return MAX_KEY; }
+  	uint max_key_parts()     const { return MAX_REF_PARTS; }
+  	uint max_key_length()    const { return MAX_KEY_LENGTH; }
+  	bool fast_key_read()	 { return 1;}
+  	bool has_transactions()  { return 1;}
+
+  	int open(const char *name, int mode, int test_if_locked);
+  	void initialize(void);
+  	int close(void);
+  	double scan_time();
+
+  	int write_row(byte * buf);
+  	int update_row(const byte * old_data, byte * new_data);
+  	int delete_row(const byte * buf);
+
+  	int index_init(uint index);
+  	int index_end();
+  	int index_read(byte * buf, const byte * key,
+		 	uint key_len, enum ha_rkey_function find_flag);
+  	int index_read_idx(byte * buf, uint index, const byte * key,
+		     	uint key_len, enum ha_rkey_function find_flag);
+  	int index_next(byte * buf);
+  	int index_next_same(byte * buf, const byte *key, uint keylen);
+  	int index_prev(byte * buf);
+  	int index_first(byte * buf);
+  	int index_last(byte * buf);
+
+  	int rnd_init(bool scan=1);
+  	int rnd_end();
+  	int rnd_next(byte *buf);
+  	int rnd_pos(byte * buf, byte *pos);
+
+  	void position(const byte *record);
+  	void info(uint);
+  	int extra(enum ha_extra_function operation);
+  	int reset(void);
+  	int external_lock(THD *thd, int lock_type);
+  	void position(byte *record);
+  	ha_rows records_in_range(int inx,
+			   const byte *start_key,uint start_key_len,
+			   enum ha_rkey_function start_search_flag,
+			   const byte *end_key,uint end_key_len,
+			   enum ha_rkey_function end_search_flag);
+
+  	int create(const char *name, register TABLE *form,
+					HA_CREATE_INFO *create_info);
+  	int delete_table(const char *name);
+	int rename_table(const char* from, const char* to);
+
+  	THR_LOCK_DATA **store_lock(THD *thd, THR_LOCK_DATA **to,
+			     		enum thr_lock_type lock_type);
+};
+
+extern bool innobase_skip;
+extern uint innobase_init_flags, innobase_lock_type;
+extern ulong innobase_cache_size;
+extern char *innobase_home, *innobase_tmpdir, *innobase_logdir;
+extern long innobase_lock_scan_time;
+extern long innobase_mirrored_log_groups, innobase_mirrored_log_groups;
+extern long innobase_log_file_size, innobase_log_buffer_size;
+extern long innobase_buffer_pool_size, innobase_additional_mem_pool_size;
+extern long innobase_file_io_threads;
+extern char *innobase_data_home_dir, *innobase_data_file_path;
+extern char *innobase_log_group_home_dir, *innobase_log_arch_dir;
+extern bool innobase_flush_log_at_trx_commit,innobase_log_archive;
+
+extern TYPELIB innobase_lock_typelib;
+
+bool innobase_init(void);
+bool innobase_end(void);
+bool innobase_flush_logs(void);
+
+int innobase_commit(THD *thd);
+int innobase_rollback(THD *thd);
+int innobase_close_connection(THD *thd);
+