Merge hundin:/my/mysql-4.0 into bitch.mysql.fi:/my/mysql-4.0

Contact us at @email{trademark@@mysql.com} to inquire about special

arrangements to fit your needs.

@menu

* When need MySQL logo permission::  

* MySQL AB Partnership Logos::  

* Using MySQL word in presentations::  

* Using MySQL word in company and product names::  

@end menu

@node When need MySQL logo permission, MySQL AB Partnership Logos, MySQL Logos that may be Used Without Written Permission, MySQL AB Logos and Trademarks

@subsubsection When do you need a Written Permission to use MySQL Logos?

The following problems are known and will be fixed in due time:

@itemize @bullet

@item

For the moment @code{MATCH} only works with @code{SELECT} statements.

@item

When using @code{SET CHARACTER SET}, one can't use translated

@cindex installing, binary distribution

@cindex binary distributions, installing

For the Windows distribution, please see @ref{Windows binary installation}.

@menu

* Linux-RPM::                   Linux RPM files

* Building clients::            Building client programs

@end menu

See also @ref{Windows binary installation}, 

@ref{Linux-RPM}, and @ref{Building clients}.

You need the following tools to install a MySQL binary distribution:

* FreeBSD::                     FreeBSD Notes

* NetBSD::                      NetBSD notes

* OpenBSD::                     OpenBSD Notes

* OpenBSD 2.5::                 OpenBSD 2.5 Notes

* OpenBSD 2.8::                 OpenBSD 2.8 Notes

* BSDI::                        BSD/OS Notes

* BSDI2::                       BSD/OS Version 2.x Notes

* BSDI3::                       BSD/OS Version 3.x Notes

* BSDI4::                       BSD/OS Version 4.x Notes

@end menu

This section contains notes on OpenBSD.

@node OpenBSD 2.5, OpenBSD 2.8, OpenBSD, BSD Notes

@node OpenBSD 2.5, OpenBSD 2.8, OpenBSD, OpenBSD

@subsubsection OpenBSD 2.5 Notes

On OpenBSD Version 2.5, you can compile MySQL with native threads

@end example

@node OpenBSD 2.8, BSDI, OpenBSD 2.5, BSD Notes

@node OpenBSD 2.8, BSDI, OpenBSD 2.5, OpenBSD

@subsubsection OpenBSD 2.8 Notes

Our users have reported that OpenBSD 2.8 has a threading bug which causes

This section contains notes on BSD/OS.

@node BSDI2, BSDI3, BSDI, BSD Notes

@node BSDI2, BSDI3, BSDI, BSDI

@subsubsection BSD/OS Version 2.x Notes

If you get the following error when compiling MySQL, your

@code{TZ} variable will probably help.  @xref{Environment variables}.

@node BSDI3, BSDI4, BSDI2, BSD Notes

@node BSDI3, BSDI4, BSDI2, BSDI

@subsubsection BSD/OS Version 3.x Notes

Upgrade to BSD/OS Version 3.1.  If that is not possible, install

@code{bash} and @code{ulimit}.

@node BSDI4,  , BSDI3, BSD Notes

@node BSDI4,  , BSDI3, BSDI

@subsubsection BSD/OS Version 4.x Notes

BSDI Version 4.x has some thread-related bugs.  If you want to use

If you want to use @code{gcc}, you must use @code{gcc} 2.95.2 or newer.

@menu

* OS/2::                        OS/2 Notes

@end menu

@node OS/2, BeOS, Other Unix Notes, Operating System Specific Notes

@subsection OS/2 Notes

option you need to add/change is the @code{socket} and @code{port}

argument to @code{safe_mysqld}.

@menu

* Multiple servers::            Running Multiple MySQL Servers on the Same Machine

@end menu

@xref{Multiple servers, ,Running Multiple MySQL Servers on the Same Machine}.

@node Multiple servers,  , Installing many servers, Configuring MySQL

@subsection Running Multiple MySQL Servers on the Same Machine

MySQL considers both your hostname and user name in identifying you

because there is little reason to assume that a given user name belongs to

the same person everywhere on the Internet.  For example, the user

@code{bill} who connects from @code{whitehouse.gov} need not be the same

person as the user @code{bill} who connects from @code{microsoft.com}.

@code{joe} who connects from @code{office.com} need not be the same

person as the user @code{joe} who connects from @code{elsewhere.com}.

MySQL handles this by allowing you to distinguish users on different

hosts that happen to have the same name:  you can grant @code{bill} one set

of privileges for connections from @code{whitehouse.gov}, and a different set

of privileges for connections from @code{microsoft.com}.

hosts that happen to have the same name:  you can grant @code{joe} one set

of privileges for connections from @code{office.com}, and a different set

of privileges for connections from @code{elsewhere.com}.

MySQL access control involves two stages:

the easiest way to avoid this problem is to use @code{CHECK TABLE}

instead of @code{myisamchk} to check tables.

@menu

* myisamchk general options::   General Options for @code{myisamchk}

* myisamchk check options::     Check Options for @code{myisamchk}

* myisamchk repair options::    Repair Options for myisamchk

* myisamchk other options::     Other Options for @code{myisamchk}

@end menu

@node myisamchk general options, myisamchk check options, myisamchk syntax, Table maintenance

@subsubsection General Options for @code{myisamchk}

write is aborted with an disk full error message.

@end itemize

@menu

* SHOW::                        @code{SHOW} Syntax

@end menu

@node SHOW,  , KILL, Database Administration

@subsection @code{SHOW} Syntax

MySQL uses special tree-like cache to make bulk inserts (that is,

@code{INSERT ... SELECT}, @code{INSERT ... VALUES (...), (...), ...}, and

@code{LOAD DATA INFILE}) faster. This variable limits

the size of the cache tree in bytes per thread.

the size of the cache tree in bytes per thread. Setting it to 0

will disable this optimization.

@strong{Note:} This cache is only used when adding data to non-empty table.

Default value is 8 MB.

edit the file, unless you really know what you are doing. Even in that case,

it is preferred that you use @code{CHANGE MASTER TO} command.

@menu

* Replication Features::        Replication Features and Known Problems

* Replication Options::         Replication Options in my.cnf

* Replication SQL::             SQL Commands Related to Replication

* Replication FAQ::             Replication FAQ

* Replication Problems::        Troubleshooting Replication

@end menu

@node Replication Features, Replication Options, Replication HOWTO, Replication

@subsection Replication Features and Known Problems

much more quickly find the few rows to return in the result.

@end itemize

@menu

* Indexes::                     Column Indexes

* Multiple-column indexes::     Multiple-Column Indexes

* Table cache::                 How MySQL Opens and Closes Tables

* Creating many tables::        Drawbacks to Creating Large Numbers of Tables in the Same Database

* Open tables::                 Why So Many Open tables?

@end menu

@node Indexes, Multiple-column indexes, MySQL indexes, Optimising Database Structure

@subsection Column Indexes

with the update log.

@end table

@menu

* SET TRANSACTION::             @code{SET TRANSACTION} Syntax

@end menu

@xref{SET TRANSACTION}.

@node Disk issues,  , Optimising the Server, MySQL Optimisation

@section Disk Issues

@cindex columns, names

@cindex aliases, names

@menu

* Name case sensitivity::       Case sensitivity in names

@end menu

Database, table, index, column, and alias names all follow the same rules in

MySQL.

The reason is that @code{@@aa} will not contain the value of the current

row, but the value of @code{id} for the previous accepted row.

@menu

* Comments::                    Comment Syntax

* Reserved words::              Is MySQL Picky About Reserved Words?

@end menu

@node Comments, Reserved words, Variables, Language Structure

@subsection Comment Syntax

@cindex @code{mysqladmin}

You can also drop databases with @code{mysqladmin}. @xref{Client-Side Scripts}.

@menu

* CREATE TABLE::                @code{CREATE TABLE} Syntax

* ALTER TABLE::                 @code{ALTER TABLE} Syntax

* RENAME TABLE::                @code{RENAME TABLE} Syntax

* DROP TABLE::                  @code{DROP TABLE} Syntax

* CREATE INDEX::                @code{CREATE INDEX} Syntax

* DROP INDEX::                  @code{DROP INDEX} Syntax

@end menu

@node CREATE TABLE, ALTER TABLE, DROP DATABASE, Data Definition

@subsection @code{CREATE TABLE} Syntax

This query retrieved all the rows that contain the word @code{MySQL}

(note: 50% threshold is gone), but does @strong{not} contain the word

@code{YourSQL}.  Note, that it does not auto-magically sort rows in

derceasing relevance order (the last row has the highest relevance,

decreasing relevance order (the last row has the highest relevance,

as it contains @code{MySQL} twice). Boolean fulltext search can also

work even without @code{FULLTEXT} index, but it would be @strong{slow}.

... word ``apple'', but rank it higher if it also contain ``macintosh''

@item +apple -macintosh

... word ``apple'' but not ``macintosh''

@item +gates +(>hell <bill)

... ``hell'' and ``gates'', or ``bill'' and ``gates'' (in any

order), but rank ``gates to hell'' higher than ``bill gates''.

@item +apple +(>pie <strudel)

... ``apple'' and ``pie'', or ``apple'' and ``strudel'' (in any

order), but rank ``apple pie'' higher than ``apple strudel''.

@item apple*

... ``apple'', ``apples'', ``applesause'', and ``applet''

... ``apple'', ``apples'', ``applesauce'', and ``applet''

@end table

@menu

You can test for an error by calling @code{mysql_error()} or

@code{mysql_errno()}.

@cindex queries, C API results

@menu

* Query results::               What Results Can I Get From a Query?

* Getting unique ID::           How Can I Get the Unique ID for the Last Inserted Row?

* C API linking problems::      Problems Linking with the C API

@end menu

@node Query results, Getting unique ID, NULL mysql_store_result, C API problems

@subsubsection What Results Can I Get From a Query?

    }

  }

  if (!num_keys)

  if (num_keys==0 || num_keys>myisam_bulk_insert_tree_size)

    return 0;

  info->bulk_insert=(TREE *)

  { "max_write_lock_count",    (long*) &max_write_lock_count,

      ~0L, 1, ~0L, 0, 1 },

  { "myisam_bulk_insert_tree_size", (long*) &myisam_bulk_insert_tree_size,

      8192*1024, 4, ~0L, 0, 1 },

      8192*1024, 0, ~0L, 0, 1 },

  { "myisam_block_size", 	(long*) &opt_myisam_block_size,

      MI_KEY_BLOCK_LENGTH, MI_MIN_KEY_BLOCK_LENGTH, MI_MAX_KEY_BLOCK_LENGTH,

    0, MI_MIN_KEY_BLOCK_LENGTH },