Skip to content

M
MariaDB
Commit e6066f37 authored by unknown's avatar unknown
Browse files
Options

Merge bk-internal:/home/bk/mysql-4.0 

into sergbook.mysql.com:/usr/home/serg/Abk/mysql-4.0
parents 44e26b27 c585b490
Hide whitespace changes
Inline Side-by-side
Showing with 186 additions and 189 deletions
BitKeeper/etc/logging_ok
View file @ e6066f37
......@@ -45,6 +45,7 @@ miguel@hegel.br
miguel@hegel.local
miguel@light.
miguel@light.local
mmatthew@markslaptop.
monty@bitch.mysql.fi
monty@butch.
monty@donna.mysql.fi
......@@ -67,6 +68,7 @@ paul@teton.kitebird.com
pem@mysql.com
peter@linux.local
peter@mysql.com
peterg@mysql.com
pgulutzan@linux.local
ram@mysql.r18.ru
ram@ram.(none)
......
Docs/internals.texi
View file @ e6066f37
......@@ -1994,7 +1994,7 @@ When you say:
@*
MySQL creates files named Table1.MYD ("MySQL Data"), Table1.MYI
("MySQL Index"), and Table1.FRM ("Format"). These files will be in the
("MySQL Index"), and Table1.frm ("Format"). These files will be in the
directory: @*
/<datadir>/<database>/
@*
......@@ -2030,6 +2030,12 @@ The minimal record header is a set of flags:
@end table
@*
The length of the record header is thus:@*
(1 + number of NULL columns + 7) / 8 bytes@*
After the header, all columns are stored in
the order that they were created, which is the
same order that you would get from SHOW COLUMNS.
Here's an example. Suppose you say:
@*
......@@ -2072,8 +2078,8 @@ right is @code{on}, and (b) remember that the first flag bit is the X bit.)
There are complications -- the record header is more complex if there
are variable-length fields -- but the simple display shown in the
example is exactly what you'd see if you took a debugger and looked
at the MySQL Data file.
example is exactly what you'd see if you looked at the MySQL Data file
with a debugger or a hexadecimal file dumper.
@*
@section Physical Attributes of Columns
......@@ -2106,8 +2112,8 @@ Example: a VARCHAR(7) column containing 'A' looks like:@*
@item The numeric data types
Important: MySQL stores all multi-byte binary numbers with the
high byte first. This is called "little-endian" numeric storage;
Important: MySQL almost always stores multi-byte binary numbers with
the low byte first. This is called "little-endian" numeric storage;
it's normal on Intel x86 machines; MySQL uses it even for non-Intel
machines so that databases will be portable.
@*
......@@ -2282,7 +2288,7 @@ Example: a SET('A','B','C') column containing 'A' looks like:@*
Storage: one byte if less than 256 alternatives, else two bytes.
@item
This is an index. The value 1 corresponds to the first listed
alternative. (Note: ENUM always reserves 0 for a blank '' value. This
alternative. (Note: ENUM always reserves 0 for an erroneous value. This
explains why 'A' is 1 instead of 0.)
@item
Example: an ENUM('A','B','C') column containing 'A' looks like:@*
......@@ -2367,7 +2373,10 @@ Storage: same as LONGBLOB.
@strong{References:} @*
Most of the formatting work for MyISAM columns is visible
in the program /sql/field.cc in the source code directory.
in the program /sql/field.cc in the source code directory.
And in the MyISAM directory, the files that do formatting
work for different record formats are: /myisam/mi_statrec.c,
/myisam/mi_dynrec.c, and /myisam/mi_packrec.c.
@*
@node InnoDB Record Structure,InnoDB Page Structure,MyISAM Record Structure,Top
......@@ -3112,7 +3121,7 @@ page0page.ic, and page0page.h in \page directory.
This is a description of the files that you get when you download the
source code of MySQL. This description begins with a list
of the 43 directories and a short comment about each one. Then, for
of the main directories and a short comment about each one. Then, for
each directory, in alphabetical order, a longer description is
supplied. When a directory contains significant program files, a list of each C
program is given along with an explanation of its intended function.
......@@ -3124,43 +3133,37 @@ program is given along with an explanation of its intended function.
@item
bdb -- The Berkeley Database table handler
@item
BitKeeper -- BitKeeper administration
BitKeeper -- BitKeeper administration (not part of the source distribution)
@item
BUILD -- Build switches
BUILD -- Some very often used build scripts
@item
Build-tools -- Build tools
Build-tools -- Build tools
@item
client -- Client library
@item
cmd-line-utils -- Command-line utilities
@item
dbug -- Fred Fish's dbug library
cmd-line-utils -- Command-line utilities (libedit and readline)
@item
div -- Deadlock test
dbug -- Fred Fish's dbug library
@item
Docs -- Preliminary documents about internals and new modules
@item
extra -- Eight minor standalone utility programs
@item
fs -- File System
extra -- Some minor standalone utility programs
@item
heap -- The HEAP table handler
heap -- The HEAP table handler
@item
Images -- Empty directory
include -- Include (*.h) files
@item
include -- Include (*.h) files
innobase -- The Innobase (InnoDB) table handler
@item
innobase -- The Innobase (InnoDB) table handler
isam -- The ISAM (MySQL) table handler
@item
isam -- The ISAM (MySQL) table handler
libmysql -- For producing a thread-safe libmysql library
@item
libmysql -- For producing MySQL as a library (e.g. a Windows DLL)
libmysql_r -- Only one file, a makefile
@item
libmysql_r -- Only one file, a makefile
libmysqld -- The MySQL Server as an embeddable library
@item
libmysqld -- The MySQL Library
@item
man -- Manual pages
man -- Some user-contributed manual pages
@item
merge -- The MERGE table handler (see Reference Manual section 7.2)
@item
......@@ -3170,24 +3173,21 @@ myisammrg -- The MyISAM Merge table handler
@item
mysql-test -- A test suite for mysqld
@item
mysys -- MySQL system library (Low level routines for file access
etc.)
mysys -- MySQL system library (Low level routines for file access etc.)
@item
netware -- Files related to the Novell NetWare version of MySQL
@item
NEW-RPMS -- New "RPM Package Manager" files
NEW-RPMS -- Directory to place RPMS while making a distribution
@item
os2 -- Routines for working with the OS/2 operating system
@item
pstack -- Process stack display
@item
regex -- Regular Expression library for support of REGEXP function
pstack -- Process stack display (not currently used)
@item
repl-tests -- Test cases for replication
regex -- Henry Spencer's Regular Expression library for support of REGEXP function
@item
SCCS -- Source Code Control System
SCCS -- Source Code Control System (not part of source distribution)
@item
scripts -- SQL batches, e.g. for converting msql to MySQL
scripts -- SQL batches, e.g. mysqlbug and mysql_install_db
@item
sql -- Programs for handling SQL commands. The "core" of MySQL
@item
......@@ -3197,18 +3197,17 @@ SSL -- Secure Sockets Layer
@item
strings -- Library for C string routines, e.g. atof, strchr
@item
support-files -- 15 files used for building, containing switches?
support-files -- Files used to build MySQL on different systems
@item
tests -- Tests in Perl
@item
tools -- mysqlmanager.c
tools -- mysqlmanager.c (under development, not yet useful)
@item
VC++Files -- Includes this entire directory, repeated for VC++
(Windows) use
VC++Files -- Includes this entire directory, repeated for VC++ (Windows) use
@item
vio -- Virtual I/O Library
@item
zlib -- data compression library
zlib -- data compression library, used on Windows
@end itemize
@subsection bdb
......@@ -3216,7 +3215,9 @@ zlib -- data compression library
The Berkeley Database table handler.
@*@*
The Berkeley Database (BDB) is maintained by Sleepycat Software.
The Berkeley Database (BDB) is maintained by Sleepycat Software.
MySQL AB maintains only a few small patches to make BDB work
better with MySQL.
@*@*
The documentation for BDB is available at
......@@ -3236,6 +3237,10 @@ BitKeeper directory are for maintenance purposes only -- they are not
part of the MySQL package.
@*@*
The MySQL Reference Manual explains how to use Bitkeeper to get the
MySQL source.
@*@*
@subsection BUILD
Build switches.
......@@ -3262,9 +3267,10 @@ Build tools.
@*@*
This directory contains batch files for extracting, making
directories, and making programs from source files. There are several
subdirectories -- for building Linux executables, for compiling, for
performing all build steps, etc.
directories, and making programs from source files. There are
several subdirectories with different scripts -- for building
Linux executables, for compiling, for performing all build steps,
and so on.
@*@*
@subsection client
......@@ -3282,32 +3288,31 @@ server.
The C program files in the directory are:
@itemize @bullet
@item
connect_test.c -- test that a connect is possible
connect_test.c -- test that a connect is possible
@item
get_password.c -- ask for a password from the console
get_password.c -- ask for a password from the console
@item
insert_test.c -- test that an insert is possible
insert_test.c -- test that an insert is possible
@item
list_test.c -- test that a select is possible
list_test.c -- test that a select is possible
@item
mysql.cc -- "The MySQL command tool"
mysql.cc -- "The MySQL command tool"
@item
mysqladmin.c -- maintenance of MYSQL databases
mysqladmin.c -- maintenance of MYSQL databases
@item
mysqlcheck.c -- check all databases, check connect, etc.
mysqlcheck.c -- check all databases, check connect, etc.
@item
mysqldump.c -- dump table's contents in ascii
mysqldump.c -- dump table's contents as SQL statements
@item
mysqlimport.c -- import file into a table
mysqlimport.c -- import text files in different formats into tables
@item
mysqlmanager-pwgen.c -- pwgen seems to stand for "password
generation"
mysqlmanager-pwgen.c -- pwgen stands for "password generation" (not currently maintained)
@item
mysqlmanagerc.c -- entry point for mysql manager
mysqlmanagerc.c -- entry point for mysql manager (not currently maintained)
@item
mysqlshow.c -- show databases, tables or columns
@item
mysqltest.c -- test program
mysqltest.c -- test program used by the mysql-test suite, mysql-test-run
@item
password.c -- password checking routines
@item
......@@ -3341,7 +3346,10 @@ Software Foundation.
@*@*
The \libedit (library of edit functions) subdirectory has files
written by Christos Zoulas. They are for editing the line contents.
written by Christos Zoulas. They are distributed and modifed under
the BSD License. These files are for editing the line contents.
@*@*
These are the program files in the \libedit subdirectory:
@itemize @bullet
@item
......@@ -3395,7 +3403,9 @@ Fred Fish's dbug library.
@*@*
This is not really part of the MySQL package. Rather, it's a set of
public-domain routines which are useful for debugging MySQL programs.
public-domain routines which are useful for debugging MySQL programs.
The MySQL Server and all .c and .cc programs support the use of this
package.
@*@*
How it works: One inserts a function call that begins with DBUG_* in
......@@ -3405,7 +3415,8 @@ DBUG_ENTER("get_tty_password"); @*
at the start of a routine, and this line: @*
DBUG_RETURN(my_strdup(to,MYF(MY_FAE))); @*
at the end of the routine. These lines don't affect production code.
Features of the dbug library include profiling and state pushing.
Features of the dbug library include extensive reporting and profiling
(the latter has not been used by the MySQL team).
@*@*
The C programs in this directory are:
......@@ -3429,14 +3440,6 @@ sanity.c -- Declaration of a variable
@end itemize
@*@*
@subsection div
Deadlock test.
@*@*
This file contains only one program, deadlock_test.c.
@*@*
@subsection Docs
Preliminary documents about internals and new modules.
......@@ -3445,7 +3448,8 @@ Preliminary documents about internals and new modules.
This directory doesn't have much at present that's very useful to the
student, but the plan is that some documentation related to the source
files and the internal workings of MySQL, including perhaps some
documentation from developers themselves, will be placed here.
documentation from developers themselves, will be placed here. Some of
these files will eventually be moved to the MySQL documentation repository.
@*@*
These sub-directories are part of this directory:
......@@ -3461,8 +3465,7 @@ mysql-logos -- more MySQL-related logos, some of them moving
@item
raw-flags -- more country flags, all .gif files
@item
support -- various files for generating texinfo/docbook
documentation
support -- various files for generating texinfo/docbook documentation
@item
to-be-included... -- an empty subdirectory
@item
......@@ -3489,7 +3492,7 @@ make their own JDBC drivers, or just sniff).
Eight minor standalone utility programs.
@*@*
These eight programs are all standalone utilities, that is, they have
These programs are all standalone utilities, that is, they have
a main() function and their main role is to show information that the
MySQL server needs or produces. Most are unimportant. They are as
follows:
......@@ -3503,7 +3506,7 @@ mysql_waitpid.c -- wait for a program to terminate
@item
perror.c -- "print error" -- given error number, display message
@item
replace.c -- replace strings in text files
replace.c -- replace strings in text files or pipe
@item
resolve_stack_dump.c -- show symbolic info from a stack dump
@item
......@@ -3562,7 +3565,7 @@ an "*" in the following list. For example, you will find that
@item
hp_block.c -- Read/write a block (i.e. a page)
@item
hp_clear.c -- Remove all records in the database
hp_clear.c -- Remove all records in the table
@item
hp_close.c -- * close database
@item
......@@ -3578,7 +3581,7 @@ hp_info.c -- * Information about database status
@item
hp_open.c -- * open database
@item
hp_panic.c -- * the hp_panic routine, probably for sudden shutdowns
hp_panic.c -- * the hp_panic routine, for shutdowns and flushes
@item
hp_rename.c -- * rename a table
@item
......@@ -3590,8 +3593,7 @@ hp_rlast.c -- * read last row with same key as previously-read row
@item
hp_rnext.c -- * read next row with same key as previously-read row
@item
hp_rprev.c -- * read previous row with same key as previously-read
row
hp_rprev.c -- * read previous row with same key as previously-read row
@item
hp_rrnd.c -- * read a row based on position
@item
......@@ -3618,14 +3620,6 @@ for a \myisam\mi_cache.c equivalent (to cache reads) or a
\myisam\log.c equivalent (to log statements).
@*@*
@subsection Images
Empty directory.
@*@*
There are no files in this directory.
@*@*
@subsection include
Include (*.h) files.
......@@ -3940,25 +3934,23 @@ mi_dynrec.c -- functions to handle space-packed records and blobs
@item
mi_extra.c -- setting options and buffer sizes when optimizing
@item
mi_info.c -- "Ger tillbaka en struct med information om isam-filen"
mi_info.c -- return useful base information for an open table
@item
mi_key.c -- for handling keys
mi_key.c -- for handling keys
@item
mi_locking.c -- lock database
@item
mi_log.c -- save commands in log file which myisamlog program can
read
mi_log.c -- save commands in log file which myisamlog program can read
@item
mi_open.c -- open database
@item
mi_packrec.c -- compress records
mi_packrec.c -- read from a data file compresed with myisampack
@item
mi_page.c -- read and write pages containing keys
@item
mi_panic.c -- the mi_panic routine, probably for sudden shutdowns
@item
mi_range.c -- approximate count of how many records lie between two
keys
mi_range.c -- approximate count of how many records lie between two keys
@item
mi_rename.c -- rename a table
@item
......@@ -4107,8 +4099,6 @@ There are other tests in these directories:
@item
sql-bench
@item
repl-tests
@item
tests
@end itemize
......@@ -4275,8 +4265,7 @@ free"
@item
my_open.c -- Open a file
@item
my_os2cond.c -- OS2-specific: "A simple implementation of posix
conditions"
my_os2cond.c -- OS2-specific: "A simple implementation of posix conditions"
@item
my_os2dirsrch.c -- OS2-specific: Emulate a Win32 directory search
@item
......@@ -4290,12 +4279,11 @@ my_os2thread.c -- OS2-specific: For thread handling
@item
my_os2tls.c -- OS2-specific: For thread-local storage
@item
my_port.c -- AIX-specific: my_ulonglong2double()
my_port.c -- OS/machine-dependent porting functions, e.g. AIX-specific my_ulonglong2double()
@item
my_pread.c -- Read a specified number of bytes from a file
@item
my_pthread.c -- A wrapper for thread-handling functions in different
OSs
my_pthread.c -- A wrapper for thread-handling functions in different OSs
@item
my_quick.c -- Read/write (labelled a "quicker" interface, perhaps
obsolete)
......@@ -4317,15 +4305,13 @@ support them
@item
my_sleep.c -- Wait n microseconds
@item
my_static.c -- Static-variable definitions
my_static.c -- Static variables used by the mysys library
@item
my_symlink.c -- Read a symbolic link (symlinks are a UNIX thing, I
guess)
my_symlink.c -- Read a symbolic link (symlinks are a UNIX thing, I guess)
@item
my_symlink2.c -- Part 2 of my_symlink.c
@item
my_tempnam.c -- Obsolete temporary-filename routine used by ISAM
table handler
my_tempnam.c -- Obsolete temporary-filename routine used by ISAM table handler
@item
my_thr_init.c -- initialize/allocate "all mysys & debug thread
variables"
......@@ -4442,9 +4428,8 @@ NetWare AMP" at:
New "RPM Package Manager" files.
@*@*
This directory is not part of the Windows distribution. Perhaps in
MYSQL's Linux distribution it has files for use with Red Hat
installations -- a point that needs checking someday.
This directory is not part of the Windows distribution. It is
a temporary directory used during RPM builds with Linux distributions.
@*@*
@subsection os2
......@@ -4517,28 +4502,6 @@ This program calls the 'regcomp' function, which is the entry point in
\regex\regexp.c.
@*@*
@subsection repl-tests
Test cases for replication.
@*@*
There are six short and trivial-looking tests in these subdirectories:
@itemize @bullet
@item
\test-auto-inc -- Do auto-Increment columns work?
@item
\test-bad-query -- Does insert in PK column work?
@item
\test-dump -- Do LOAD statements work?
@item
\test-repl -- Does replication work?
@item
\test-repl-alter -- Does ALTER TABLE work?
@item
\test-repl-ts -- Does TIMESTAMP column work?
@end itemize
@*@*
@subsection SCCS
Source Code Control System.
......@@ -4554,8 +4517,8 @@ administration and are not of interest to application programmers.
SQL batches, e.g. for converting msql to MySQL.
@*@*
The *.sh filename extension apparently stands for "shell script".
Linux programmers use it where Windows programmers would use a *.bat
The *.sh filename extension stands for "shell script". Linux
programmers use it where Windows programmers would use a *.bat
(batch filename extension).
@*@*
......@@ -4564,10 +4527,9 @@ The *.sh files on this directory are:
@item
fill_help_tables.sh -- Create help-information tables and insert
@item
make_binary_distribution.sh -- Get configure information, make,
produce tar
make_binary_distribution.sh -- Get configure information, make, produce tar
@item
msql2mysql.sh -- Convert mSQL to MySQL
msql2mysql.sh -- Convert mSQL programs and scripts to MySQL, partly
@item
mysqlbug.sh -- Create a bug report and mail it
@item
......@@ -4581,33 +4543,29 @@ mysqldumpslow.sh -- Parse and summarize the slow query log
@item
mysqlhotcopy.sh -- Hot backup
@item
mysql_config.sh -- Get configure information that client might need
mysql_config.sh -- Get configuration information that might be needed to compile a client
@item
mysql_convert_table_format.sh -- Conversion, e.g. from ISAM to
MyISAM
mysql_convert_table_format.sh -- Conversion, e.g. from ISAM to MyISAM
@item
mysql_explain_log.sh -- Put a log (made with --log) into a MySQL
table
mysql_explain_log.sh -- Put a log (made with --log) into a MySQL table
@item
mysql_find_rows.sh -- Search for queries containing <regexp>
mysql_find_rows.sh -- Search for queries containing <regexp>
@item
mysql_fix_extensions.sh -- Renames some file extensions, not
recommended
mysql_fix_extensions.sh -- Renames some file extensions, not recommended
@item
mysql_fix_privilege_tables.sh -- Fix mysql.user etc. if upgrading to
MySQL 3.23.14+
mysql_fix_privilege_tables.sh -- Fix mysql.user etc. if upgrading to MySQL 3.23.14+
@item
mysql_install_db.sh -- Create privilege tables and func table
mysql_install_db.sh -- Create privilege tables and func table
@item
mysql_secure_installation.sh -- Disallow remote root login,
eliminate test, etc.
eliminate test, etc.
@item
mysql_setpermission.sh -- Aid to add users or databases, sets
privileges
privileges
@item
mysql_tableinfo.sh -- Puts info re MySQL tables into a MySQL table
@item
mysql_zap.sh -- Kill processes which match pattern
mysql_zap.sh -- Kill processes which match pattern
@end itemize
@*@*
......@@ -4629,16 +4587,15 @@ des_key_file.cc -- load DES keys from plaintext file
@item
field.cc -- "implement classes defined in field.h" (long)
@item
field_conv.cc -- functions to copy data to or from fields
field_conv.cc -- functions to copy data between fields
@item
filesort.cc -- sort file
filesort.cc -- sort a result set, using memory or temporary files
@item
frm_crypt.cc -- contains only one short function: get_crypt_for_frm
@item
gen_lex_hash.cc -- Knuth's algorithm from Vol 3 Sorting and
Searching, Chapter 6.3
gen_lex_hash.cc -- Knuth's algorithm from Vol 3 Sorting and Searching, Chapter 6.3
@item
gstream.cc -- GTextReadStream
gstream.cc -- GTextReadStream, used to read GIS objects
@item
handler.cc -- handler-calling functions
@item
......@@ -4674,7 +4631,7 @@ item_func.cc -- Numerical functions
@item
item_row.cc -- Row items for comparing rows and for IN on rows
@item
item_sum.cc -- Set functions (sum, avg, etc.)
item_sum.cc -- Set functions (SUM, AVG, etc.)
@item
item_strfunc.cc -- String functions
@item
......@@ -4682,7 +4639,7 @@ item_subselect.cc -- Item subselect
@item
item_timefunc.cc -- Date/time functions, e.g. week of year
@item
item_uniq.cc -- Empty file, here for compatibility reasons
item_uniq.cc -- Empty file, here for compatibility reasons
@item
key.cc -- Functions to handle keys and fields in forms
@item
......@@ -4694,10 +4651,9 @@ log_event.cc -- Log event
@item
matherr.c -- Handling overflow, underflow, etc.
@item
mf_iocache.cc -- Caching of (sequential) reads
mf_iocache.cc -- Caching of (sequential) reads and writes
@item
mini_client.cc -- Client included in server for server-server
messaging
mini_client.cc -- Client included in server for server-server messaging
@item
mysqld.cc -- Source of mysqld.exe
@item
......@@ -4708,58 +4664,56 @@ net_serv.cc -- Read/write of packets on a network socket
nt_servc.cc -- Initialize/register/remove an NT service
@item
opt_ft.cc -- Create a FT or QUICK RANGE based on a key (very short)
* opt_range.cc -- Range of keys
@item
opt_range.cc -- Range of keys
@item
opt_sum.cc -- Optimize functions in presence of (implied) GROUP BY
@item
password.c -- Password checking
password.c -- Password checking
@item
procedure.cc -- Procedure
procedure.cc -- Procedure
@item
protocol.cc -- Low level functions for storing data to be sent to
client
protocol.cc -- Low level functions for storing data to be sent to client
@item
records.cc -- Functions to read, write, and lock records
records.cc -- Functions for easy reading of records, possible through a cache
@item
repl_failsafe.cc -- Replication fail-save
repl_failsafe.cc -- Replication fail-save (not yet implemented)
@item
set_var.cc -- MySQL variables
set_var.cc -- Set and retrieve MySQL user variables
@item
slave.cc -- Procedures for a slave in a master/slave (replication?)
relation
slave.cc -- Procedures for a slave in a master/slave (replication) relation
@item
spatial.cc -- Geometry stuff (lines, points, etc.)
@item
sql_acl.cc -- Functions related to ACL security
sql_acl.cc -- Functions related to ACL security
@item
sql_analyse.cc -- Analyse an input string (?)
@item
sql_base.cc -- Basic functions needed by many modules
sql_base.cc -- Basic functions needed by many modules
@item
sql_cache.cc -- SQL cache, with long comments about how caching
works
sql_cache.cc -- SQL query cache, with long comments about how caching works
@item
sql_class.cc -- SQL class
sql_class.cc -- SQL class
@item
sql_crypt.cc -- Encode / decode, very short
sql_crypt.cc -- Encode / decode, very short
@item
sql_db.cc -- Create / drop database
sql_db.cc -- Create / drop database
@item
sql_delete.cc -- The DELETE statement
sql_delete.cc -- The DELETE statement
@item
sql_derived.cc -- Derived tables, with long comments
sql_derived.cc -- Derived tables, with long comments
@item
sql_do.cc -- The DO statement
sql_do.cc -- The DO statement
@item
sql_error.cc -- Errors and warnings
sql_error.cc -- Errors and warnings
@item
sql_handler.cc -- Direct access to ISAM
sql_handler.cc -- Direct access to ISAM
@item
sql_help.cc -- The HELP statement (if there is one?)
@item
sql_insert.cc -- The INSERT statement
sql_insert.cc -- The INSERT statement
@item
sql_lex.cc -- Related to lex or yacc
sql_lex.cc -- Related to lex or yacc
@item
sql_list.cc -- Only list_node_end_of_list, short
@item
......
client/mysqlbinlog.cc
View file @ e6066f37
......@@ -43,6 +43,7 @@ static const char* default_dbug_option = "d:t:o,/tmp/mysqlbinlog.trace";
void sql_print_error(const char *format, ...);
static bool one_database = 0;
static bool force_opt= 0;
static const char* database;
static bool short_form = 0;
static ulonglong offset = 0;
......@@ -73,6 +74,9 @@ static struct my_option my_long_options[] =
{"database", 'd', "List entries for just this database (local log only)",
(gptr*) &database, (gptr*) &database, 0, GET_STR_ALLOC, REQUIRED_ARG,
0, 0, 0, 0, 0, 0},
{"force-read", 'f', "Force reading unknown binlog events",
(gptr*) &force_opt, (gptr*) &force_opt, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0,
0, 0},
{"help", '?', "Display this help and exit",
0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
{"host", 'h', "Get the binlog from server", (gptr*) &host, (gptr*) &host,
......
include/config-win.h
View file @ e6066f37
......@@ -145,6 +145,9 @@ typedef uint rf_SetTimer;
#define USE_MB_IDENT 1
#define USE_STRCOLL 1
/* If LOAD DATA LOCAL INFILE should be enabled by default */
#define ENABLED_LOCAL_INFILE 1
/* Convert some simple functions to Posix */
#define sigset(A,B) signal((A),(B))
......
sql/log_event.cc
View file @ e6066f37
......@@ -659,9 +659,18 @@ Log_event* Log_event::read_log_event(const char* buf, int event_len,
}
if (!ev || !ev->is_valid())
{
*error= "Found invalid event in binary log";
delete ev;
#ifdef MYSQL_CLIENT
if (!force_opt)
{
*error= "Found invalid event in binary log";
return 0;
}
ev= new Unknown_log_event(buf, old_format);
#else
*error= "Found invalid event in binary log";
return 0;
#endif
}
ev->cached_event_len = event_len;
return ev;
......@@ -1695,6 +1704,17 @@ void Execute_load_log_event::pack_info(String* packet)
}
#endif
#ifdef MYSQL_CLIENT
void Unknown_log_event::print(FILE* file, bool short_form, char* last_db)
{
if (short_form)
return;
print_header(file);
fputc('\n', file);
fprintf(file, "# %s", "Unknown event\n");
}
#endif
#ifndef MYSQL_CLIENT
int Query_log_event::exec_event(struct st_relay_log_info* rli)
{
......
sql/log_event.h
View file @ e6066f37
......@@ -201,10 +201,10 @@ struct sql_ex_info
enum Log_event_type
{
START_EVENT = 1, QUERY_EVENT =2, STOP_EVENT=3, ROTATE_EVENT = 4,
INTVAR_EVENT=5, LOAD_EVENT=6, SLAVE_EVENT=7, CREATE_FILE_EVENT=8,
APPEND_BLOCK_EVENT=9, EXEC_LOAD_EVENT=10, DELETE_FILE_EVENT=11,
NEW_LOAD_EVENT=12, RAND_EVENT=13
UNKNOWN_EVENT = 0, START_EVENT = 1, QUERY_EVENT =2, STOP_EVENT=3,
ROTATE_EVENT = 4, INTVAR_EVENT=5, LOAD_EVENT=6, SLAVE_EVENT=7,
CREATE_FILE_EVENT=8, APPEND_BLOCK_EVENT=9, EXEC_LOAD_EVENT=10,
DELETE_FILE_EVENT=11, NEW_LOAD_EVENT=12, RAND_EVENT=13
};
enum Int_event_type
......@@ -714,4 +714,18 @@ class Execute_load_log_event: public Log_event
int write_data(IO_CACHE* file);
};
#ifdef MYSQL_CLIENT
class Unknown_log_event: public Log_event
{
public:
Unknown_log_event(const char* buf, bool old_format):
Log_event(buf, old_format)
{}
~Unknown_log_event() {}
void print(FILE* file, bool short_form= 0, char* last_db= 0);
Log_event_type get_type_code() { return UNKNOWN_EVENT;}
bool is_valid() { return 1; }
};
#endif
#endif /* _log_event_h */
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7