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Merge 3.23.52


innobase/btr/btr0btr.c:
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innobase/btr/btr0cur.c:
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innobase/btr/btr0sea.c:
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innobase/include/btr0btr.h:
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innobase/include/btr0cur.h:
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innobase/include/btr0sea.h:
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innobase/include/buf0buf.h:
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innobase/include/buf0rea.h:
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innobase/include/data0data.h:
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innobase/include/data0data.ic:
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innobase/include/log0log.h:
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innobase/include/log0log.ic:
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innobase/include/os0file.h:
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innobase/include/page0page.h:
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innobase/include/page0page.ic:
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innobase/include/row0mysql.h:
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innobase/include/trx0roll.h:
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innobase/include/trx0sys.h:
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innobase/include/trx0trx.h:
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innobase/include/ut0ut.h:
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innobase/include/univ.i:
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innobase/include/ut0ut.ic:
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innobase/buf/buf0buf.c:
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innobase/buf/buf0rea.c:
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innobase/data/data0data.c:
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innobase/dict/dict0crea.c:
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innobase/dict/dict0dict.c:
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innobase/dict/dict0load.c:
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innobase/dict/dict0mem.c:
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innobase/fsp/fsp0fsp.c:
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innobase/ibuf/ibuf0ibuf.c:
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innobase/lock/lock0lock.c:
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innobase/log/log0log.c:
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innobase/log/log0recv.c:
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innobase/mtr/mtr0log.c:
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innobase/mtr/mtr0mtr.c:
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innobase/os/os0file.c:
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innobase/page/page0cur.c:
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innobase/page/page0page.c:
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innobase/rem/rem0cmp.c:
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innobase/row/row0ins.c:
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innobase/row/row0mysql.c:
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innobase/row/row0purge.c:
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innobase/row/row0upd.c:
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innobase/srv/srv0srv.c:
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innobase/srv/srv0start.c:
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innobase/trx/trx0roll.c:
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innobase/trx/trx0sys.c:
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innobase/trx/trx0trx.c:
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innobase/trx/trx0undo.c:
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innobase/ut/ut0mem.c:
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innobase/ut/ut0ut.c:
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This commit is contained in:
unknown
2002-06-22 20:41:14 +03:00
parent b7b988b3c3
commit 1081513a12
52 changed files with 1884 additions and 766 deletions
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52
innobase/include/trx0sys.h
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@ -24,6 +24,14 @@ Created 3/26/1996 Heikki Tuuri
#include "fsp0fsp.h"
#include "read0types.h"
/* In a MySQL replication slave, in crash recovery we store the master log
file name and position here. We have successfully got the updates to InnoDB
up to this position. If .._pos is -1, it means no crash recovery was needed,
or there was no master log position info inside InnoDB. */
extern char trx_sys_mysql_master_log_name[];
extern ib_longlong trx_sys_mysql_master_log_pos;
/* The transaction system */
extern trx_sys_t* trx_sys;
@ -229,13 +237,18 @@ trx_in_trx_list(
trx_t* in_trx);/* in: trx */
/*********************************************************************
Updates the offset information about the end of the MySQL binlog entry
which corresponds to the transaction just being committed. */
which corresponds to the transaction just being committed. In a MySQL
replication slave updates the latest master binlog position up to which
replication has proceeded. */
void
trx_sys_update_mysql_binlog_offset(
/*===============================*/
trx_t* trx, /* in: transaction being committed */
mtr_t* mtr); /* in: mtr */
char* file_name,/* in: MySQL log file name */
ib_longlong offset, /* in: position in that log file */
ulint field, /* in: offset of the MySQL log info field in
the trx sys header */
mtr_t* mtr); /* in: mtr */
/*********************************************************************
Prints to stderr the MySQL binlog offset info in the trx system header if
the magic number shows it valid. */
@ -243,15 +256,17 @@ the magic number shows it valid. */
void
trx_sys_print_mysql_binlog_offset(void);
/*===================================*/
/*********************************************************************
Prints to stderr the MySQL master log offset info in the trx system header if
the magic number shows it valid. */
void
trx_sys_print_mysql_master_log_pos(void);
/*====================================*/
/* The automatically created system rollback segment has this id */
#define TRX_SYS_SYSTEM_RSEG_ID 0
/* Max number of rollback segments: the number of segment specification slots
in the transaction system array; rollback segment id must fit in one byte,
therefore 256 */
#define TRX_SYS_N_RSEGS 256
/* Space id and page no where the trx system file copy resides */
#define TRX_SYS_SPACE 0 /* the SYSTEM tablespace */
#define TRX_SYS_PAGE_NO FSP_TRX_SYS_PAGE_NO
@ -277,22 +292,29 @@ therefore 256 */
segment specification slots */
/*-------------------------------------------------------------*/
#define TRX_SYS_MYSQL_LOG_NAME_LEN 32
/* Max number of rollback segments: the number of segment specification slots
in the transaction system array; rollback segment id must fit in one byte,
therefore 256; each slot is currently 8 bytes in size */
#define TRX_SYS_N_RSEGS 256
#define TRX_SYS_MYSQL_LOG_NAME_LEN 512
#define TRX_SYS_MYSQL_LOG_MAGIC_N 873422344
/* The offset of the MySQL replication info on the trx system header page;
this contains the same fields as TRX_SYS_MYSQL_LOG_INFO below */
#define TRX_SYS_MYSQL_MASTER_LOG_INFO (UNIV_PAGE_SIZE - 2000)
/* The offset of the MySQL binlog offset info on the trx system header page */
#define TRX_SYS_MYSQL_LOG_INFO (UNIV_PAGE_SIZE - 300)
#define TRX_SYS_MYSQL_LOG_INFO (UNIV_PAGE_SIZE - 1000)
#define TRX_SYS_MYSQL_LOG_MAGIC_N_FLD 0 /* magic number which shows
if we have valid data in the
MySQL binlog info; the value
is ..._MAGIC_N if yes */
#define TRX_SYS_MYSQL_LOG_NAME 4 /* MySQL log file name */
#define TRX_SYS_MYSQL_LOG_OFFSET_HIGH (4 + TRX_SYS_MYSQL_LOG_NAME_LEN)
/* high 4 bytes of the offset
#define TRX_SYS_MYSQL_LOG_OFFSET_HIGH 4 /* high 4 bytes of the offset
within that file */
#define TRX_SYS_MYSQL_LOG_OFFSET_LOW (8 + TRX_SYS_MYSQL_LOG_NAME_LEN)
/* low 4 bytes of the offset
#define TRX_SYS_MYSQL_LOG_OFFSET_LOW 8 /* low 4 bytes of the offset
within that file */
#define TRX_SYS_MYSQL_LOG_NAME 12 /* MySQL log file name */
/* The offset of the doublewrite buffer header on the trx system header page */
#define TRX_SYS_DOUBLEWRITE (UNIV_PAGE_SIZE - 200)