Commit 4b877e00 authored by monty@hundin.mysql.fi's avatar monty@hundin.mysql.fi
Browse files

Added macros for nice TIMESPEC usage. 

Fixes for building MySQL with gcc 3.0
Added SIGNED / UNSIGNED casts
Fixed core dump bug in net_clear() with libmysqld.
Back to using semaphores in query cache.
Added 'Null' and 'Index_type' to SHOW INDEX.
parent 5b77e339

BUILD/FINISH.sh

+2 −1
Original line number Diff line number Diff line
@@ -20,7 +20,8 @@ then 
   (cd gemini && aclocal && autoheader && aclocal && automake && autoconf)

fi



CFLAGS=\"$cflags\" CXX=$CXX CXXFLAGS=\"$cxxflags\" $configure"

CFLAGS=\"$cflags\" CXX=\"$CXX\" CXXFLAGS=\"$cxxflags\" CXXLDFLAGS=\"$CXXLDFLAGS\" \

$configure"



if [ -z "$just_configure" ]

then

BUILD/Makefile.am

0 → 100644
+45 −0
Original line number Diff line number Diff line 
# 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



## Process this file with automake to create Makefile.in



EXTRA_DIST =		FINISH.sh \

			SETUP.sh \

			compile-alpha \

			compile-alpha-ccc \

			compile-alpha-cxx \

			compile-alpha-debug \

			compile-ia64-debug-max \

			compile-pentium \

			compile-pentium-debug \

			compile-pentium-debug-max \

			compile-pentium-debug-no-bdb \

			compile-pentium-debug-openssl \

			compile-pentium-gcov \

			compile-pentium-gprof \

			compile-pentium-max \

			compile-pentium-myodbc \

			compile-pentium-mysqlfs-debug \

			compile-pentium-pgcc \

			compile-pentium-symbols \

			compile-solaris-sparc \

			compile-solaris-sparc-debug \

			compile-solaris-sparc-fortre \

			compile-solaris-sparc-purify



# Don't update the files from bitkeeper

%::SCCS/s.%

BUILD/SETUP.sh

+3 −1
Original line number Diff line number Diff line
@@ -69,7 +69,9 @@ fi 


if gcc -v 2>&1 | grep 'version 3' > /dev/null 2>&1

then

  CXX=c++

  CXX="gcc -DUSE_MYSYS_NEW"

  CXXLDFLAGS="-Wl,--defsym -Wl,__cxa_pure_virtual=0"

else

  CXX=gcc

  CXXLDFLAGS=""

fi

Docs/manual.texi

+74 −13
Original line number Diff line number Diff line
@@ -1754,7 +1754,7 @@ Many embedded MySQL users will benefit from the @emph{dual licensing} 
scheme of MySQL, where besides the GPL license also commercial

licensing is available for those not wishing to be bound by the GPL.

The embedded MySQL library uses the same interface as the normal

client library, so it is convenient and easy to use.

client library, so it is convenient and easy to use. @xref{libmysqld}.





























@node Nutshell Other features, Nutshell Future features, Nutshell Embedded MySQL, MySQL 4.0 In A Nutshell










@@ -8050,6 +8050,11 @@ version 4.0;



























@itemize @bullet















@item













@code{SHOW INDEX} has 2 columns more (@code{Null} and @code{Index_type})













than it had in 3.23.













@item













@code{SIGNED} is a reserved word.













@item















To use @code{MATCH ... AGAINST (... IN BOOLEAN MODE)} with your tables,















you need to rebuild them with @code{ALTER TABLE table_name TYPE=MyISAM},















@strong{even} if they are of @code{MyISAM} type.










@@ -14159,7 +14164,6 @@ MySQL reads default options from the following files on Windows:













@item @strong{Filename} @tab @strong{Purpose}















@item @code{windows-system-directory\my.ini} @tab Global options















@item @code{C:\my.cnf} @tab Global options













@item @code{C:\mysql\data\my.cnf} @tab Server-specific options















@end multitable





























Note that on Windows, you should specify all paths with @code{/} instead of










@@ -18903,13 +18907,16 @@ are returned:













@item @code{Sub_part}            @tab Number of indexed characters if the 















                                      column is only partly indexed. 















                                      @code{NULL} if the entire key is indexed.













@item @code{Null}		 $tab Contains 'YES' if the column may contain @code{NULL}.













@item @code{Index_type}		 @tab Index method used.















@item @code{Comment}             @tab Various remarks.  For now, it tells 













                                      whether index is FULLTEXT or not.













in MySQL < 4.0.2 whether index is @code{FULLTEXT} or not.















@end multitable





























Note that as the @code{Cardinality} is counted based on statistics















stored as integers, it's not necessarily accurate for small tables.



























The @code{Null} and @code{Index_type} column was added in MySQL 4.0.2.





























@node SHOW TABLE STATUS, SHOW STATUS, SHOW DATABASE INFO, SHOW















@subsubsection @code{SHOW TABLE STATUS}










@@ -19746,7 +19753,7 @@ subsystem)













@cindex threads, display















@cindex processes, display



























@code{SHOW PROCESSLIST} shows you which threads are running.  You can













@code{SHOW [FULL] PROCESSLIST} shows you which threads are running.  You can















also get this information using the @code{mysqladmin processlist}















command.  If you have the @strong{process} privilege, you can see all















threads.  Otherwise, you can see only your own threads.  @xref{KILL, ,










@@ -21151,7 +21158,7 @@ the following configure options:













You can find the MySQL-max binaries at















@uref{http://www.mysql.com/downloads/mysql-max-3.23.html}.



























The Windows MySQL 3.23 binary distribution includes both the













The Windows MySQL binary distributions includes both the















standard @code{mysqld.exe} binary and the @code{mysqld-max.exe} binary.















@uref{http://www.mysql.com/downloads/mysql-3.23.html}.















@xref{Windows installation}.










@@ -30665,6 +30672,7 @@ make string comparison even more flexible.













@menu















* Arithmetic functions::        Arithmetic Operations















* Mathematical functions::      Mathematical Functions













* Numerical casts::             















@end menu






































@@ -30733,7 +30741,7 @@ in a context where its result is converted to an integer!













@end table









































@node Mathematical functions,  , Arithmetic functions, Numeric Functions













@node Mathematical functions, Numerical casts, Arithmetic functions, Numeric Functions















@subsubsection Mathematical Functions















All mathematical functions return @code{NULL} in case of an error.
























@@ -31130,6 +31138,35 @@ The above happens because 10.28 is actually stored as something like













10.2799999999999999.















@end table



























@node Numerical casts,  , Mathematical functions, Numeric Functions













@subsubsection Casting numbers to signed / unsigned

























@cindex casts, SIGNED













@cindex casts, UNSIGNED

























To cast a string to a numeric value, you don't have to do anything; Just













use the string value as it would be a number:

























@example













mysql> select 1+'1';













        -> 2













@end example

























MySQL support arithmetic with both signed and unsigned 64 bit values.













If you are using an numerical operations (like @code{+}) and one of the













operands are @code{unsigned}, then the result will be unsigned.  You can













override this by using the @code{SIGNED} and @code{UNSIGNED} cast













operators, which will cast the operation to signed respective unsigned













64 bit integer.

























@example













mysql> select UNSIGNED 1-2;













        -> 18446744073709551615













mysql  select SIGNED (UNSIGNED 1-2);













        -> -1













@end example

























@code{SIGNED} and @code{UNSIGNED} where added in MySQL 4.0.2.





























@node Date and time functions, Other Functions, Numeric Functions, Functions















@subsection Date and Time Functions










@@ -31608,10 +31645,11 @@ mysql> select NOW() + 0;













@item UNIX_TIMESTAMP()















@itemx UNIX_TIMESTAMP(date)















If called with no argument, returns a Unix timestamp (seconds since













@code{'1970-01-01 00:00:00'} GMT). If @code{UNIX_TIMESTAMP()} is called with













a @code{date} argument, it returns the value of the argument as seconds since













@code{'1970-01-01 00:00:00'} GMT.  @code{date} may be a @code{DATE} string,













a @code{DATETIME} string, a @code{TIMESTAMP}, or a number in the format













@code{'1970-01-01 00:00:00'} GMT) as an unsigned integer. If













@code{UNIX_TIMESTAMP()} is called with a @code{date} argument, it













returns the value of the argument as seconds since @code{'1970-01-01













00:00:00'} GMT.  @code{date} may be a @code{DATE} string, a













@code{DATETIME} string, a @code{TIMESTAMP}, or a number in the format















@code{YYMMDD} or @code{YYYYMMDD} in local time:





























@example









@@ -31622,11 +31660,14 @@ mysql> select UNIX_TIMESTAMP('1997-10-04 22:23:00');













@end example





























When @code{UNIX_TIMESTAMP} is used on a @code{TIMESTAMP} column, the function













will receive the value directly, with no implicit













will return the internal timestamp value directly, with no implicit















``string-to-unix-timestamp'' conversion.















If you give @code{UNIX_TIMESTAMP()} a wrong or out-of-range date, it will















return 0.



























If you want to subtract @code{UNIX_TIMESTAMP()} columns,













@xref{Numerical casts}.



























@findex FROM_UNIXTIME()















@item FROM_UNIXTIME(unix_timestamp)















Returns a representation of the @code{unix_timestamp} argument as a value in










@@ -43140,6 +43181,11 @@ No UDF functions.













No stack trace on core dump.















@item















No internal RAID support.













@item













You can set this up as a server or a master (no replication).













@item













You can't connect to the embedded server from an outside process with













sockets or TCP/IP.















@end itemize





























Some of these limitations can be changed by editing the @file{mysql_embed.h}









@@ -43148,6 +43194,8 @@ include file and recompiling MySQL.













@node libmysqld options, libmysqld TODO, libmysqld restrictions, libmysqld















@subsubsection Using Option Files with the Embedded Server



























@cindex defaults, embedded



























The following is the recommended way to use option files to make it easy















to switch between a client/server application and one where MySQL is















embedded. @xref{Option files}.










@@ -43881,7 +43929,7 @@ is not the case, you should run the script



























@menu















* UDF calling::                 UDF Calling Sequences













* UDF aggr. calling::           UDF Calling Sequences for aggregate functions













* UDF aggr. calling ::          















* UDF arguments::               Argument Processing















* UDF return values::           Return Values and Error Handling















* UDF compiling::               Compiling and Installing User-definable Functions










@@ -47845,11 +47893,24 @@ Our TODO section contains what we plan to have in 4.0. @xref{TODO MySQL 4.0}.













@cindex changes, version 4.0





























@menu













* News-4.0.2::                  Changes in release 4.0.2















* News-4.0.1::                  Changes in release 4.0.1















* News-4.0.0::                  Changes in release 4.0.0















@end menu



























@node News-4.0.1, News-4.0.0, News-4.0.x, News-4.0.x













@node News-4.0.2, News-4.0.1, News-4.0.x, News-4.0.x













@appendixsubsec Changes in release 4.0.2

























@itemize @bullet













@item













Added cast functions @code{SIGNED} and @code{UNSIGNED}.













@item













Changed order of how keys are created in tables.













@item













Added a new columns @code{Null} and @code{Index_type} to @code{SHOW INDEX}.













@end itemize

























@node News-4.0.1, News-4.0.0, News-4.0.2, News-4.0.x















@appendixsubsec Changes in release 4.0.1





























@itemize @bullet

























Makefile.am



+2
−1






























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@@ -23,7 +23,8 @@ EXTRA_DIST =		INSTALL-SOURCE README \













			COPYING COPYING.LIB MIRRORS















SUBDIRS =		include @docs_dirs@ @readline_dir@ \















			@thread_dirs@ pstack @sql_client_dirs@ \













			@sql_server_dirs@ @libmysqld_dirs@ scripts tests man \













			@sql_server_dirs@ @libmysqld_dirs@ scripts man \













			tests BUILD \















			@bench_dirs@ support-files @fs_dirs@ @tools_dirs@































# Relink after clean