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Merge tnurnberg@bk-internal.mysql.com:/home/bk/mysql-5.1-maint

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into  mysql.com:/home/tnurnberg/22540/51-22540


sql/log.cc:
  Auto merged
This commit is contained in:
unknown 2007-07-10 18:38:14 +02:00
commit 055b87b343
3 changed files with 17 additions and 173 deletions
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61
mysql-test/extra/binlog_tests/binlog.test
View file

@ -80,72 +80,11 @@ drop table t1;
--replace_regex /\/\* xid=.* \*\//\/* XID *\// /table_id: [0-9]+/table_id: #/ /Server ver: [^,]*,/Server version,/
show binlog events from 0;
set autocommit= 1;
reset master;
create table t1(n int) engine=innodb;
insert into t1 values (1);
insert into t1 values (2);
insert into t1 values (3);
commit;
drop table t1;
--replace_regex /\/\* xid=.* \*\//\/* XID *\// /table_id: [0-9]+/table_id: #/ /Server ver: [^,]*,/Server version,/
show binlog events from 0;
reset master;
create table t1(n int) engine=myisam;
begin;
insert into t1 values (4);
insert into t1 values (5);
insert into t1 values (6);
commit;
drop table t1;
--replace_regex /\/\* xid=.* \*\//\/* XID *\// /table_id: [0-9]+/table_id: #/ /Server ver: [^,]*,/Server version,/
show binlog events from 0;
# now show this also works for SHOW MASTER STATUS
# as this is what "mysqldump --master-data=1" uses.
set autocommit= 1;
reset master;
create table t1(n int) engine=innodb;
show master status;
insert into t1 values (1);
show master status;
insert into t1 values (2);
insert into t1 values (3);
show master status;
commit;
show master status;
drop table t1;
--replace_regex /\/\* xid=.* \*\//\/* XID *\// /table_id: [0-9]+/table_id: #/ /Server ver: [^,]*,/Server version,/
show binlog events from 0;
set autocommit= 0;
reset master;
create table t1(n int) engine=myisam;
show master status;
insert into t1 values (4);
show master status;
insert into t1 values (5);
insert into t1 values (6);
show master status;
commit;
show master status;
drop table t1;
--replace_regex /\/\* xid=.* \*\//\/* XID *\// /table_id: [0-9]+/table_id: #/ /Server ver: [^,]*,/Server version,/
show binlog events from 0;
set session autocommit = @ac;
# now show that nothing breaks if we need to read from the cache more
# than once, resulting in split event-headers
set @bcs = @@binlog_cache_size;
set @ac = @@autocommit;
set global binlog_cache_size=4096;
set autocommit= 0;
reset master;
create table t1 (a int) engine=innodb;

97
mysql-test/suite/binlog/r/binlog_stm_binlog.result
View file

@ -165,105 +165,8 @@ master-bin.000001 361 Query 1 449 use `test`; insert into t1 values (2)
master-bin.000001 449 Query 1 537 use `test`; insert into t1 values (3)
master-bin.000001 537 Xid 1 564 COMMIT /* XID */
master-bin.000001 564 Query 1 640 use `test`; drop table t1
set autocommit= 1;
reset master;
create table t1(n int) engine=innodb;
insert into t1 values (1);
insert into t1 values (2);
insert into t1 values (3);
commit;
drop table t1;
show binlog events from 0;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 4 Format_desc 1 106 Server version, Binlog ver: 4
master-bin.000001 106 Query 1 205 use `test`; create table t1(n int) engine=innodb
master-bin.000001 205 Query 1 293 use `test`; insert into t1 values (1)
master-bin.000001 293 Xid 1 320 COMMIT /* XID */
master-bin.000001 320 Query 1 408 use `test`; insert into t1 values (2)
master-bin.000001 408 Xid 1 435 COMMIT /* XID */
master-bin.000001 435 Query 1 523 use `test`; insert into t1 values (3)
master-bin.000001 523 Xid 1 550 COMMIT /* XID */
master-bin.000001 550 Query 1 626 use `test`; drop table t1
reset master;
create table t1(n int) engine=myisam;
begin;
insert into t1 values (4);
insert into t1 values (5);
insert into t1 values (6);
commit;
drop table t1;
show binlog events from 0;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 4 Format_desc 1 106 Server version, Binlog ver: 4
master-bin.000001 106 Query 1 205 use `test`; create table t1(n int) engine=myisam
master-bin.000001 205 Query 1 293 use `test`; insert into t1 values (4)
master-bin.000001 293 Query 1 381 use `test`; insert into t1 values (5)
master-bin.000001 381 Query 1 469 use `test`; insert into t1 values (6)
master-bin.000001 469 Query 1 545 use `test`; drop table t1
set autocommit= 1;
reset master;
create table t1(n int) engine=innodb;
show master status;
File Position Binlog_Do_DB Binlog_Ignore_DB
master-bin.000001 205
insert into t1 values (1);
show master status;
File Position Binlog_Do_DB Binlog_Ignore_DB
master-bin.000001 320
insert into t1 values (2);
insert into t1 values (3);
show master status;
File Position Binlog_Do_DB Binlog_Ignore_DB
master-bin.000001 550
commit;
show master status;
File Position Binlog_Do_DB Binlog_Ignore_DB
master-bin.000001 550
drop table t1;
show binlog events from 0;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 4 Format_desc 1 106 Server version, Binlog ver: 4
master-bin.000001 106 Query 1 205 use `test`; create table t1(n int) engine=innodb
master-bin.000001 205 Query 1 293 use `test`; insert into t1 values (1)
master-bin.000001 293 Xid 1 320 COMMIT /* XID */
master-bin.000001 320 Query 1 408 use `test`; insert into t1 values (2)
master-bin.000001 408 Xid 1 435 COMMIT /* XID */
master-bin.000001 435 Query 1 523 use `test`; insert into t1 values (3)
master-bin.000001 523 Xid 1 550 COMMIT /* XID */
master-bin.000001 550 Query 1 626 use `test`; drop table t1
set autocommit= 0;
reset master;
create table t1(n int) engine=myisam;
show master status;
File Position Binlog_Do_DB Binlog_Ignore_DB
master-bin.000001 205
insert into t1 values (4);
show master status;
File Position Binlog_Do_DB Binlog_Ignore_DB
master-bin.000001 293
insert into t1 values (5);
insert into t1 values (6);
show master status;
File Position Binlog_Do_DB Binlog_Ignore_DB
master-bin.000001 469
commit;
show master status;
File Position Binlog_Do_DB Binlog_Ignore_DB
master-bin.000001 469
drop table t1;
show binlog events from 0;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 4 Format_desc 1 106 Server version, Binlog ver: 4
master-bin.000001 106 Query 1 205 use `test`; create table t1(n int) engine=myisam
master-bin.000001 205 Query 1 293 use `test`; insert into t1 values (4)
master-bin.000001 293 Query 1 381 use `test`; insert into t1 values (5)
master-bin.000001 381 Query 1 469 use `test`; insert into t1 values (6)
master-bin.000001 469 Query 1 545 use `test`; drop table t1
set session autocommit = @ac;
set @bcs = @@binlog_cache_size;
set @ac = @@autocommit;
set global binlog_cache_size=4096;
set autocommit= 0;
reset master;
create table t1 (a int) engine=innodb;
show binlog events from 0;

32
sql/log.cc
View file

@ -3942,7 +3942,7 @@ int MYSQL_BIN_LOG::write_cache(IO_CACHE *cache, bool lock_log, bool sync_log)
if (reinit_io_cache(cache, READ_CACHE, 0, 0, 0))
return ER_ERROR_ON_WRITE;
uint bytes= my_b_bytes_in_cache(cache), group, carry, hdr_offs;
uint length= my_b_bytes_in_cache(cache), group, carry, hdr_offs;
long val;
uchar header[LOG_EVENT_HEADER_LEN];
@ -3999,7 +3999,7 @@ int MYSQL_BIN_LOG::write_cache(IO_CACHE *cache, bool lock_log, bool sync_log)
/* if there is anything to write, process it. */
if (likely(bytes > 0))
if (likely(length > 0))
{
/*
process all event-headers in this (partial) cache.
@ -4008,18 +4008,18 @@ int MYSQL_BIN_LOG::write_cache(IO_CACHE *cache, bool lock_log, bool sync_log)
very next iteration, just "eventually").
*/
while (hdr_offs < bytes)
while (hdr_offs < length)
{
/*
partial header only? save what we can get, process once
we get the rest.
*/
if (hdr_offs + LOG_EVENT_HEADER_LEN > bytes)
if (hdr_offs + LOG_EVENT_HEADER_LEN > length)
{
carry= bytes - hdr_offs;
carry= length - hdr_offs;
memcpy(header, (char *)cache->read_pos + hdr_offs, carry);
bytes= hdr_offs;
length= hdr_offs;
}
else
{
@ -4039,21 +4039,23 @@ int MYSQL_BIN_LOG::write_cache(IO_CACHE *cache, bool lock_log, bool sync_log)
}
/*
Adjust hdr_offs. Note that this doesn't mean it will necessarily
be valid in the next iteration; if the current event is very long,
it may take a couple of read-iterations (and subsequent fixings
of hdr_offs) for it to become valid again.
if we had a split header, hdr_offs was already fixed above.
Adjust hdr_offs. Note that it may still point beyond the segment
read in the next iteration; if the current event is very long,
it may take a couple of read-iterations (and subsequent adjustments
of hdr_offs) for it to point into the then-current segment.
If we have a split header (!carry), hdr_offs will be set at the
beginning of the next iteration, overwriting the value we set here:
*/
if (carry == 0)
hdr_offs -= bytes;
hdr_offs -= length;
}
/* Write data to the binary log file */
if (my_b_write(&log_file, cache->read_pos, bytes))
if (my_b_write(&log_file, cache->read_pos, length))
return ER_ERROR_ON_WRITE;
cache->read_pos=cache->read_end; // Mark buffer used up
} while ((bytes=my_b_fill(cache)));
} while ((length= my_b_fill(cache)));
DBUG_ASSERT(carry == 0);
if (sync_log)
flush_and_sync();