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Merge work:/home/bk/mysql into donna.mysql.fi:/home/my/bk/mysql
Docs/manual.texi: Auto merged
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bb85c4e3ee
6 changed files with 48 additions and 40 deletions
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@ -30038,9 +30038,14 @@ mysql> TRUNCATE TABLE insert_table;
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mysql> UNLOCK TABLES;
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@end example
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You can use the @code{LOW_PRIORITY} options with @code{INSERT} if you
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want to prioritize retrieval in some specific cases. @xref{INSERT, ,
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@code{INSERT}}.
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You can use the @code{LOW_PRIORITY} options with @code{INSERT},
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@code{UPDATE} or @code{DELETE} or @code{HIGH_PRIORITY} with
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@code{SELECT} if you want to prioritize retrieval in some specific
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cases. You can also start @code{mysqld} with @code{--low-priority-updates}
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to get the same behaveour.
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Using @code{SQL_BUFFER_RESULT} can also help making table locks shorter.
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@xref{SELECT}.
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You could also change the locking code in @file{mysys/thr_lock.c} to use a
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single queue. In this case, write locks and read locks would have the same
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@ -30058,9 +30063,11 @@ high lock speed. For large tables, table locking is MUCH better than
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row locking for most applications, but there are, of course, some
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pitfalls.
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For @code{BDB} tables, @strong{MySQL} only uses table locking if you
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explicitely lock the table with @code{LOCK TABLES} or execute a command that
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will modify every row in the table, like @code{ALTER TABLE}.
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For @code{BDB} and @code{InnoDB} tables, @strong{MySQL} only uses table
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locking if you explicitely lock the table with @code{LOCK TABLES} or
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execute a command that will modify every row in the table, like
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@code{ALTER TABLE}. For these table types we recommend you to not use
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@code{LOCK TABLES} at all.
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In @strong{MySQL} Version 3.23.7 and above, you can insert rows into
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@code{MyISAM} tables at the same time other threads are reading from the
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@ -83,9 +83,9 @@ ctype_extra_sources.c: conf_to_src
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$(srcdir)/ctype_extra_sources.c
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conf_to_src_SOURCES = conf_to_src.c
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conf_to_src_LDADD=
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#for --with-other-libc to ensure static linking
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#note -all-static rather than -static
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#this is needed for libtool to work right
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conf_to_src_LDFLAGS=-all-static
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#force static linking of conf_to_src - essential when linking against
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#custom installation of libc
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conf_to_src_LDFLAGS=@NOINST_LDFLAGS@
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# Don't update the files from bitkeeper
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%::SCCS/s.%
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@ -5,8 +5,6 @@ sum(length(word))
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71
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(@id := id) - id
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0
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Master_Host Master_User Master_Port Connect_retry Log_File Pos Slave_Running Replicate_do_db Replicate_ignore_db Last_errno Last_error Skip_counter
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127.0.0.1 root 9999 1 master-bin.001 939 No 1053 Slave: query ' update t1 set n = n + get_lock('crash_lock', 2)' partially completed on the master and was aborted. There is a chance that your master is inconsistent at this point. If you are sure that your master is ok, run this query manually on the slave and then restart the slave with SET SQL_SLAVE_SKIP_COUNTER=1; SLAVE START; 0
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count(*)
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10
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n
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@ -1,22 +1,21 @@
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source include/master-slave.inc;
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connection master;
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use test;
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drop table if exists t1;
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drop table if exists t1,t3;
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create table t1 (word char(20) not null);
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load data infile '../../std_data/words.dat' into table t1;
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drop table if exists foo;
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set password = password('foo');
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set password = password('');
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create table foo(n int);
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insert into foo values(1),(2);
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create table t3(n int);
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insert into t3 values(1),(2);
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save_master_pos;
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connection slave;
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sync_with_master;
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use test;
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select * from foo;
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select * from t3;
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select sum(length(word)) from t1;
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connection master;
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drop table t1;
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drop table t1,t3;
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save_master_pos;
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connection slave;
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sync_with_master;
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@ -59,8 +58,12 @@ connection slave;
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sync_with_master ;
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#give the slave a chance to exit
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sleep 0.5;
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--replace_result 9306 9999 3334 9999 3335 9999
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show slave status;
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# The following test can't be done because the result of Pos will differ
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# on different computes
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# --replace_result 9306 9999 3334 9999 3335 9999
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# show slave status;
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set sql_slave_skip_counter=1;
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slave start;
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select count(*) from t1;
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@ -36,7 +36,7 @@ while ($#ARGV >= $[ && $ARGV[0] =~ /^-/) {
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{
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$opt_a = 1;
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}
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elsif ($ARGV[0] eq "-?" || $ARGV[0] eq "-I")
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elsif ($ARGV[0] eq "-?" || $ARGV[0] eq "-I" || $ARGV[0] eq "--help")
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{
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&usage;
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}
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@ -107,7 +107,7 @@ EOF
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sub usage {
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print <<EOF;
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Usage: $0 [-signal] [-?Ift] pattern
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Usage: $0 [-signal] [-?Ift] [--help] pattern
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Options: -I or -? "info" -f "force" -t "test".
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Version 1.0
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@ -66,22 +66,22 @@ uchar NEAR to_lower_ujis[]=
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'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
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'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
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'x', 'y', 'z', '{', '|', '}', '~', '\177',
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'\200','\201','\202','\203','\204','\205','\206','\207',
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'\210','\211','\212','\213','\214','\215','\216','\217',
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'\220','\221','\222','\223','\224','\225','\226','\227',
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'\230','\231','\232','\233','\234','\235','\236','\237',
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'\240','\241','\242','\243','\244','\245','\246','\247',
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'\250','\251','\252','\253','\254','\255','\256','\257',
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'\260','\261','\262','\263','\264','\265','\266','\267',
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'\270','\271','\272','\273','\274','\275','\276','\277',
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'\300','\301','\302','\303','\304','\305','\306','\307',
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'\310','\311','\312','\313','\314','\315','\316','\317',
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'\320','\321','\322','\323','\324','\325','\326','\327',
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'\330','\331','\332','\333','\334','\335','\336','\337',
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'\340','\341','\342','\343','\344','\345','\346','\347',
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'\350','\351','\352','\353','\354','\355','\356','\357',
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'\360','\361','\362','\363','\364','\365','\366','\367',
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'\370','\371','\372','\373','\374','\375','\376','\377',
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(uchar) '\200',(uchar) '\201',(uchar) '\202',(uchar) '\203',(uchar) '\204',(uchar) '\205',(uchar) '\206',(uchar) '\207',
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(uchar) '\210',(uchar) '\211',(uchar) '\212',(uchar) '\213',(uchar) '\214',(uchar) '\215',(uchar) '\216',(uchar) '\217',
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(uchar) '\220',(uchar) '\221',(uchar) '\222',(uchar) '\223',(uchar) '\224',(uchar) '\225',(uchar) '\226',(uchar) '\227',
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(uchar) '\230',(uchar) '\231',(uchar) '\232',(uchar) '\233',(uchar) '\234',(uchar) '\235',(uchar) '\236',(uchar) '\237',
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(uchar) '\240',(uchar) '\241',(uchar) '\242',(uchar) '\243',(uchar) '\244',(uchar) '\245',(uchar) '\246',(uchar) '\247',
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(uchar) '\250',(uchar) '\251',(uchar) '\252',(uchar) '\253',(uchar) '\254',(uchar) '\255',(uchar) '\256',(uchar) '\257',
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(uchar) '\260',(uchar) '\261',(uchar) '\262',(uchar) '\263',(uchar) '\264',(uchar) '\265',(uchar) '\266',(uchar) '\267',
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(uchar) '\270',(uchar) '\271',(uchar) '\272',(uchar) '\273',(uchar) '\274',(uchar) '\275',(uchar) '\276',(uchar) '\277',
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(uchar) '\300',(uchar) '\301',(uchar) '\302',(uchar) '\303',(uchar) '\304',(uchar) '\305',(uchar) '\306',(uchar) '\307',
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(uchar) '\310',(uchar) '\311',(uchar) '\312',(uchar) '\313',(uchar) '\314',(uchar) '\315',(uchar) '\316',(uchar) '\317',
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(uchar) '\320',(uchar) '\321',(uchar) '\322',(uchar) '\323',(uchar) '\324',(uchar) '\325',(uchar) '\326',(uchar) '\327',
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(uchar) '\330',(uchar) '\331',(uchar) '\332',(uchar) '\333',(uchar) '\334',(uchar) '\335',(uchar) '\336',(uchar) '\337',
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(uchar) '\340',(uchar) '\341',(uchar) '\342',(uchar) '\343',(uchar) '\344',(uchar) '\345',(uchar) '\346',(uchar) '\347',
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(uchar) '\350',(uchar) '\351',(uchar) '\352',(uchar) '\353',(uchar) '\354',(uchar) '\355',(uchar) '\356',(uchar) '\357',
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(uchar) '\360',(uchar) '\361',(uchar) '\362',(uchar) '\363',(uchar) '\364',(uchar) '\365',(uchar) '\366',(uchar) '\367',
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(uchar) '\370',(uchar) '\371',(uchar) '\372',(uchar) '\373',(uchar) '\374',(uchar) '\375',(uchar) '\376',(uchar) '\377'
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};
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uchar NEAR to_upper_ujis[]=
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@ -117,7 +117,7 @@ uchar NEAR to_upper_ujis[]=
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(uchar) '\340',(uchar) '\341',(uchar) '\342',(uchar) '\343',(uchar) '\344',(uchar) '\345',(uchar) '\346',(uchar) '\347',
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(uchar) '\350',(uchar) '\351',(uchar) '\352',(uchar) '\353',(uchar) '\354',(uchar) '\355',(uchar) '\356',(uchar) '\357',
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(uchar) '\360',(uchar) '\361',(uchar) '\362',(uchar) '\363',(uchar) '\364',(uchar) '\365',(uchar) '\366',(uchar) '\367',
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(uchar) '\370',(uchar) '\371',(uchar) '\372',(uchar) '\373',(uchar) '\374',(uchar) '\375',(uchar) '\376',(uchar) '\377',
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(uchar) '\370',(uchar) '\371',(uchar) '\372',(uchar) '\373',(uchar) '\374',(uchar) '\375',(uchar) '\376',(uchar) '\377'
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};
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uchar NEAR sort_order_ujis[]=
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@ -153,7 +153,7 @@ uchar NEAR sort_order_ujis[]=
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(uchar) '\340',(uchar) '\341',(uchar) '\342',(uchar) '\343',(uchar) '\344',(uchar) '\345',(uchar) '\346',(uchar) '\347',
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(uchar) '\350',(uchar) '\351',(uchar) '\352',(uchar) '\353',(uchar) '\354',(uchar) '\355',(uchar) '\356',(uchar) '\357',
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(uchar) '\360',(uchar) '\361',(uchar) '\362',(uchar) '\363',(uchar) '\364',(uchar) '\365',(uchar) '\366',(uchar) '\367',
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(uchar) '\370',(uchar) '\371',(uchar) '\372',(uchar) '\373',(uchar) '\374',(uchar) '\375', (uchar) (uchar) '\376', (uchar) '\377',
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(uchar) '\370',(uchar) '\371',(uchar) '\372',(uchar) '\373',(uchar) '\374',(uchar) '\375', (uchar) (uchar) '\376', (uchar) '\377'
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};
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