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Imported Upstream version 0.9.5

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This commit is contained in:
Mario Fetka 2019-08-09 13:38:00 +02:00
parent 884f5414c2
commit e75644c7d2
16 changed files with 1235 additions and 84 deletions
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20
.bzrignore Normal file
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mydumper
myloader
*~
*.dSYM
export
CMakeCache.txt
CMakeFiles/
Makefile
cmake_install.cmake
config.h
docs/CMakeFiles/
docs/Makefile
docs/_doctrees/
docs/_sources/
docs/cmake_install.cmake
docs/html/
docs/man/
docs/_build/conf.py
docs/_build/sources.cmake
.project

14
CMakeLists.txt
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@ -1,6 +1,6 @@
cmake_minimum_required(VERSION 2.6)
project(mydumper)
set(VERSION 0.9.1)
set(VERSION 0.9.5)
set(ARCHIVE_NAME "${CMAKE_PROJECT_NAME}-${VERSION}")
#Required packages
@ -17,6 +17,7 @@ if (BUILD_DOCS)
endif (BUILD_DOCS)
option(WITH_BINLOG "Build binlog dump options" OFF)
option(WITH_SSL "Build SSL support" ON)
set(CMAKE_C_FLAGS "-Wall -Wno-deprecated-declarations -Wunused -Wwrite-strings -Wno-strict-aliasing -Wextra -Wshadow -Werror -O3 -g ${MYSQL_CFLAGS}")
@ -31,15 +32,16 @@ CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/config.h.in ${CMAKE_CURRENT_SOURCE_DI
if (WITH_BINLOG)
add_executable(mydumper mydumper.c binlog.c server_detect.c g_unix_signal.c)
add_executable(mydumper mydumper.c binlog.c server_detect.c g_unix_signal.c connection.c getPassword.c)
else (WITH_BINLOG)
add_executable(mydumper mydumper.c server_detect.c g_unix_signal.c)
add_executable(mydumper mydumper.c server_detect.c g_unix_signal.c connection.c getPassword.c)
endif (WITH_BINLOG)
target_link_libraries(mydumper ${MYSQL_LIBRARIES} ${GLIB2_LIBRARIES} ${GTHREAD2_LIBRARIES} ${PCRE_PCRE_LIBRARY} ${ZLIB_LIBRARIES})
target_link_libraries(mydumper ${MYSQL_LIBRARIES} ${GLIB2_LIBRARIES} ${GTHREAD2_LIBRARIES} ${PCRE_PCRE_LIBRARY} ${ZLIB_LIBRARIES} stdc++)
add_executable(myloader myloader.c)
target_link_libraries(myloader ${MYSQL_LIBRARIES} ${GLIB2_LIBRARIES} ${GTHREAD2_LIBRARIES} ${PCRE_PCRE_LIBRARY} ${ZLIB_LIBRARIES})
add_executable(myloader myloader.c connection.c getPassword.c)
target_link_libraries(myloader ${MYSQL_LIBRARIES} ${GLIB2_LIBRARIES} ${GTHREAD2_LIBRARIES} ${PCRE_PCRE_LIBRARY} ${ZLIB_LIBRARIES} stdc++)
INSTALL(TARGETS mydumper myloader
RUNTIME DESTINATION bin

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LICENSE Normal file
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THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
{one line to give the program's name and a brief idea of what it does.}
Copyright (C) {year} {name of author}
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
{project} Copyright (C) {year} {fullname}
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<http://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<http://www.gnu.org/philosophy/why-not-lgpl.html>.

50
README → README.md
View File

@ -1,15 +1,35 @@
== What is mydumper? Why? ==
# What is mydumper? Why?
* Parallelism (hence, speed) and performance (avoids expensive character set conversion routines, efficient code overall)
* Easier to manage output (separate files for tables, dump metadata, etc, easy to view/parse data)
* Consistency - maintains snapshot across all threads, provides accurate master and slave log positions, etc
* Manageability - supports PCRE for specifying database and tables inclusions and exclusions
== How to build it? ==
## How to install mydumper/myloader?
First get the correct url from the [releases section](https://github.com/maxbube/mydumper/releases) then:
### RedHat / Centos
```bash
yum install https://github.com/maxbube/mydumper/releases/download/v0.9.5/mydumper-0.9.5-1.el7.x86_64.rpm
```
### Ubuntu / Debian
```bash
wget https://github.com/maxbube/mydumper/releases/download/v0.9.5/mydumper_0.9.5-1.xenial_amd64.deb
dpkg -i mydumper_0.9.5-1.xenial_amd64.deb
```
## How to build it?
Run:
cmake .
make
```bash
cmake .
make
```
One needs to install development versions of required libaries (MySQL, GLib, ZLib, PCRE):
NOTE: you must use the correspondent mysql devel package.
@ -24,7 +44,9 @@ One has to make sure, that pkg-config, mysql_config, pcre-config are all in $PAT
Binlog dump is disabled by default to compile with it you need to add -DWITH_BINLOG=ON to cmake options
== How does consistent snapshot work? ==
To build against mysql libs < 5.7 you need to disable SSL adding -DWITH_SSL=OFF
## How does consistent snapshot work?
This is all done following best MySQL practices and traditions:
@ -37,11 +59,25 @@ This is all done following best MySQL practices and traditions:
This for now does not provide consistent snapshots for non-transactional engines - support for that is expected in 0.2 :)
== How to exclude (or include) databases? ==
## How to exclude (or include) databases?
Once can use --regex functionality, for example not to dump mysql and test databases:
mydumper --regex '^(?!(mysql|test))'
```bash
mydumper --regex '^(?!(mysql\.|test\.))'
```
To dump only mysql and test databases:
```bash
mydumper --regex '^(mysql\.|test\.)'
```
To not dump all databases starting with test:
```bash
mydumper --regex '^(?!(test))'
```
Of course, regex functionality can be used to describe pretty much any list of tables.

2
cmake/modules/FindMySQL.cmake
View File

@ -84,7 +84,7 @@ find_path(MYSQL_INCLUDE_DIR mysql.h
)
set(TMP_MYSQL_LIBRARIES "")
set(CMAKE_FIND_LIBRARY_SUFFIXES .so .a .lib)
set(CMAKE_FIND_LIBRARY_SUFFIXES .so .a .lib .so.1)
foreach(MY_LIB ${MYSQL_ADD_LIBRARIES})
find_library("MYSQL_LIBRARIES_${MY_LIB}" NAMES ${MY_LIB}
HINTS

29
common.h
View File

@ -22,23 +22,44 @@ char *username=NULL;
char *password=NULL;
char *socket_path=NULL;
char *db=NULL;
guint port=3306;
char *defaults_file=NULL;
#ifdef WITH_SSL
char *key=NULL;
char *cert=NULL;
char *ca=NULL;
char *capath=NULL;
char *cipher=NULL;
#endif
gboolean askPassword=FALSE;
guint port=0;
guint num_threads= 4;
guint verbose=2;
gboolean ssl= FALSE;
gboolean compress_protocol= FALSE;
gboolean program_version= FALSE;
GOptionEntry common_entries[] =
{
{ "host", 'h', 0, G_OPTION_ARG_STRING, &hostname, "The host to connect to", NULL },
{ "user", 'u', 0, G_OPTION_ARG_STRING, &username, "Username with privileges to run the dump", NULL },
{ "user", 'u', 0, G_OPTION_ARG_STRING, &username, "Username with the necessary privileges", NULL },
{ "password", 'p', 0, G_OPTION_ARG_STRING, &password, "User password", NULL },
{ "ask-password", 'a', 0, G_OPTION_ARG_NONE, &askPassword, "Prompt For User password", NULL },
{ "port", 'P', 0, G_OPTION_ARG_INT, &port, "TCP/IP port to connect to", NULL },
{ "socket", 'S', 0, G_OPTION_ARG_STRING, &socket_path, "UNIX domain socket file to use for connection", NULL },
{ "threads", 't', 0, G_OPTION_ARG_INT, &num_threads, "Number of threads to use, default 4", NULL },
{ "compress-protocol", 'C', 0, G_OPTION_ARG_NONE, &compress_protocol, "Use compression on the MySQL connection", NULL },
{ "version", 'V', 0, G_OPTION_ARG_NONE, &program_version, "Show the program version and exit", NULL },
{ "verbose", 'v', 0, G_OPTION_ARG_INT, &verbose, "Verbosity of output, 0 = silent, 1 = errors, 2 = warnings, 3 = info, default 2", NULL },
{ "version", 'V', 0, G_OPTION_ARG_NONE, &program_version, "Show the program version and exit", NULL },
{ "verbose", 'v', 0, G_OPTION_ARG_INT, &verbose, "Verbosity of output, 0 = silent, 1 = errors, 2 = warnings, 3 = info, default 2", NULL },
{ "defaults-file", 0, 0, G_OPTION_ARG_FILENAME, &defaults_file, "Use a specific defaults file", NULL },
#ifdef WITH_SSL
{ "ssl", 0, 0, G_OPTION_ARG_NONE, &ssl, "Connect using SSL", NULL},
{ "key", 0, 0, G_OPTION_ARG_STRING, &key, "The path name to the key file", NULL },
{ "cert", 0, 0, G_OPTION_ARG_STRING, &cert, "The path name to the certificate file", NULL },
{ "ca", 0, 0, G_OPTION_ARG_STRING, &ca, "The path name to the certificate authority file", NULL },
{ "capath", 0, 0, G_OPTION_ARG_STRING, &capath, "The path name to a directory that contains trusted SSL CA certificates in PEM format", NULL },
{ "cipher", 0, 0, G_OPTION_ARG_STRING, &cipher, "A list of permissible ciphers to use for SSL encryption", NULL },
#endif
{ NULL, 0, 0, G_OPTION_ARG_NONE, NULL, NULL, NULL }
};

10
config.h.in
View File

@ -4,4 +4,14 @@
#cmakedefine VERSION "@VERSION@"
#cmakedefine WITH_BINLOG
#if defined(LIBMYSQL_VERSION)
#define MYSQL_VERSION_STR LIBMYSQL_VERSION
#elif defined(MARIADB_CLIENT_VERSION_STR)
#define MYSQL_VERSION_STR MARIADB_CLIENT_VERSION_STR
#elif defined(MYSQL_VERSION_NUMBER)
#define MYSQL_VERSION_STR MYSQL_VERSION_NUMBER
#else
#define MYSQL_VERSION_STR MYSQL_SERVER_VERSION
#endif
#endif

54
connection.c Normal file
View File

@ -0,0 +1,54 @@
/*
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Authors: Aaron Brady, Shopify (insom)
*/
#include <pcre.h>
#include <glib.h>
#include <string.h>
#include "connection.h"
extern char *defaults_file;
#ifdef WITH_SSL
extern char *key;
extern char *cert;
extern char *ca;
extern char *capath;
extern char *cipher;
extern gboolean ssl;
#endif
extern guint compress_protocol;
void configure_connection(MYSQL *conn, const char *name) {
if (defaults_file != NULL) {
mysql_options(conn,MYSQL_READ_DEFAULT_FILE,defaults_file);
}
mysql_options(conn, MYSQL_READ_DEFAULT_GROUP, name);
if (compress_protocol)
mysql_options(conn, MYSQL_OPT_COMPRESS, NULL);
#ifdef WITH_SSL
unsigned int i;
if (ssl) {
i = SSL_MODE_REQUIRED;
} else {
i = SSL_MODE_DISABLED;
}
mysql_ssl_set(conn,key,cert,ca,capath,cipher);
mysql_options(conn,MYSQL_OPT_SSL_MODE,&i);
#endif
}

22
connection.h Normal file
View File

@ -0,0 +1,22 @@
/*
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Authors: Aaron Brady, Shopify (insom)
*/
#ifndef _connection_h
#define _connection_h
#include <mysql.h>
void configure_connection(MYSQL *conn, const char* name);
#endif

2
docs/examples.rst
View File

@ -13,7 +13,7 @@ To use :program:`mydumper`'s regex feature simply use the
:option:`--regex <mydumper --regex>` option. In the following example mydumper
will ignore the ``test`` and ``mysql`` databases::
mydumper --regex '^(?!(mysql|test))'
mydumper --regex '^(?!(mysql\.|test\.))'
Restoring a dump
----------------

21
docs/mydumper_usage.rst
View File

@ -32,6 +32,10 @@ The :program:`mydumper` tool has several available options:
Show help text
.. option:: --defaults-file
Use the given option file. If the file does not exist or is otherwise inaccessible, no failure occurs
.. option:: --host, -h
Hostname of MySQL server to connect to (default localhost)
@ -101,6 +105,11 @@ The :program:`mydumper` tool has several available options:
A regular expression to match against database and table
.. option:: --omit-from-file, -O
File containing a list of database.table entries to skip, one per line; the
skipped entries have precedence over patterns specified by the regex option
.. option:: --ignore-engines, -i
Comma separated list of storage engines to ignore
@ -125,6 +134,10 @@ The :program:`mydumper` tool has several available options:
Dump stored procedures and functions
.. option:: --no-views, -W
Do not dump views
.. option:: --long-query-guard, -l
Timeout for long query execution in seconds, default 60
@ -168,6 +181,10 @@ The :program:`mydumper` tool has several available options:
This will cause inconsistent backups.
.. option:: --no-backup-locks
Do not use Percona Backup Locks
.. option:: --[skip-]tz-utc
SET TIME_ZONE='+00:00' at top of dump to allow dumping of TIMESTAMP data
@ -191,3 +208,7 @@ The :program:`mydumper` tool has several available options:
.. option:: --use-savepoints
Use savepoints to reduce metadata locking issues, needs SUPER privilege
.. option:: --complete-insert
Use complete INSERT statements that include column names.

4
docs/myloader_usage.rst
View File

@ -25,6 +25,10 @@ The :program:`myloader` tool has several available options:
Show help text
.. option:: --defaults-file
Use the given option file. If the file does not exist or is otherwise inaccessible, no failure occurs
.. option:: --host, -h
Hostname of MySQL server to connect to (default localhost)

10
getPassword.c Normal file
View File

@ -0,0 +1,10 @@
#include <stdio.h>
#include <unistd.h>
#include "getPassword.h"
char* passwordPrompt(void) {
char *password;
password = getpass("Enter MySQL Password: ");
return password;
}

4
getPassword.h Normal file
View File

@ -0,0 +1,4 @@
#ifndef GET_PASSWORD_PROMPT
#define GET_PASSWORD_PROMPT
char* passwordPrompt(void);
#endif

375
mydumper.c
View File

@ -22,6 +22,11 @@
#define _FILE_OFFSET_BITS 64
#include <mysql.h>
#if defined MARIADB_CLIENT_VERSION_STR && !defined MYSQL_SERVER_VERSION
#define MYSQL_SERVER_VERSION MARIADB_CLIENT_VERSION_STR
#endif
#include <unistd.h>
#include <stdio.h>
#include <string.h>
@ -41,9 +46,11 @@
#include "mydumper.h"
#endif
#include "server_detect.h"
#include "connection.h"
#include "common.h"
#include "g_unix_signal.h"
#include <math.h>
#include "getPassword.h"
char *regexstring=NULL;
@ -53,6 +60,11 @@ const char BINLOG_DIRECTORY[]= "binlog_snapshot";
const char DAEMON_BINLOGS[]= "binlogs";
#endif
/* Some earlier versions of MySQL do not yet define MYSQL_TYPE_JSON */
#ifndef MYSQL_TYPE_JSON
#define MYSQL_TYPE_JSON 245
#endif
static GMutex * init_mutex = NULL;
/* Program options */
@ -77,6 +89,8 @@ gchar *ignore_engines= NULL;
char **ignore= NULL;
gchar *tables_list= NULL;
GSequence *tables_skiplist= NULL;
gchar *tables_skiplist_file= NULL;
char **tables= NULL;
GList *no_updated_tables=NULL;
@ -95,9 +109,13 @@ gboolean no_locks= FALSE;
gboolean dump_triggers= FALSE;
gboolean dump_events= FALSE;
gboolean dump_routines= FALSE;
gboolean no_dump_views= FALSE;
gboolean less_locking = FALSE;
gboolean use_savepoints = FALSE;
gboolean success_on_1146 = FALSE;
gboolean no_backup_locks = FALSE;
gboolean insert_ignore = FALSE;
GList *innodb_tables= NULL;
GList *non_innodb_table= NULL;
@ -109,6 +127,7 @@ gint non_innodb_done= 0;
guint less_locking_threads = 0;
guint updated_since = 0;
guint trx_consistency_only = 0;
guint complete_insert = 0;
// For daemon mode, 0 or 1
guint dump_number= 0;
@ -125,6 +144,7 @@ static GOptionEntry entries[] =
{
{ "database", 'B', 0, G_OPTION_ARG_STRING, &db, "Database to dump", NULL },
{ "tables-list", 'T', 0, G_OPTION_ARG_STRING, &tables_list, "Comma delimited table list to dump (does not exclude regex option)", NULL },
{ "omit-from-file", 'O', 0, G_OPTION_ARG_STRING, &tables_skiplist_file, "File containing a list of database.table entries to skip, one per line (skips before applying regex option)", NULL },
{ "outputdir", 'o', 0, G_OPTION_ARG_FILENAME, &output_directory, "Directory to output files to", NULL },
{ "statement-size", 's', 0, G_OPTION_ARG_INT, &statement_size, "Attempted size of INSERT statement in bytes, default 1000000", NULL},
{ "rows", 'r', 0, G_OPTION_ARG_INT, &rows_per_file, "Try to split tables into chunks of this many rows. This option turns off --chunk-filesize", NULL},
@ -133,12 +153,15 @@ static GOptionEntry entries[] =
{ "build-empty-files", 'e', 0, G_OPTION_ARG_NONE, &build_empty_files, "Build dump files even if no data available from table", NULL},
{ "regex", 'x', 0, G_OPTION_ARG_STRING, &regexstring, "Regular expression for 'db.table' matching", NULL},
{ "ignore-engines", 'i', 0, G_OPTION_ARG_STRING, &ignore_engines, "Comma delimited list of storage engines to ignore", NULL },
{ "insert-ignore", 'N', 0, G_OPTION_ARG_NONE, &insert_ignore, "Dump rows with INSERT IGNORE", NULL },
{ "no-schemas", 'm', 0, G_OPTION_ARG_NONE, &no_schemas, "Do not dump table schemas with the data", NULL },
{ "no-data", 'd', 0, G_OPTION_ARG_NONE, &no_data, "Do not dump table data", NULL },
{ "triggers", 'G', 0, G_OPTION_ARG_NONE, &dump_triggers, "Dump triggers", NULL },
{ "events", 'E', 0, G_OPTION_ARG_NONE, &dump_events, "Dump events", NULL },
{ "routines", 'R', 0, G_OPTION_ARG_NONE, &dump_routines, "Dump stored procedures and functions", NULL },
{ "no-views", 'W', 0, G_OPTION_ARG_NONE, &no_dump_views, "Do not dump VIEWs", NULL },
{ "no-locks", 'k', 0, G_OPTION_ARG_NONE, &no_locks, "Do not execute the temporary shared read lock. WARNING: This will cause inconsistent backups", NULL },
{ "no-backup-locks", 0, 0, G_OPTION_ARG_NONE, &no_backup_locks, "Do not use Percona backup locks", NULL},
{ "less-locking", 0, 0, G_OPTION_ARG_NONE, &less_locking, "Minimize locking time on InnoDB tables.", NULL},
{ "long-query-guard", 'l', 0, G_OPTION_ARG_INT, &longquery, "Set long query timer in seconds, default 60", NULL },
{ "kill-long-queries", 'K', 0, G_OPTION_ARG_NONE, &killqueries, "Kill long running queries (instead of aborting)", NULL },
@ -148,13 +171,14 @@ static GOptionEntry entries[] =
{ "daemon", 'D', 0, G_OPTION_ARG_NONE, &daemon_mode, "Enable daemon mode", NULL },
{ "snapshot-interval", 'I', 0, G_OPTION_ARG_INT, &snapshot_interval, "Interval between each dump snapshot (in minutes), requires --daemon, default 60", NULL },
{ "logfile", 'L', 0, G_OPTION_ARG_FILENAME, &logfile, "Log file name to use, by default stdout is used", NULL },
{ "tz-utc", 0, 0, G_OPTION_ARG_NONE, NULL, "SET TIME_ZONE='+00:00' at top of dump to allow dumping of TIMESTAMP data when a server has data in different time zones or data is being moved between servers with different time zones, defaults to on use --skip-tz-utc to disable.", NULL },
{ "tz-utc", 0, G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE, &skip_tz, "SET TIME_ZONE='+00:00' at top of dump to allow dumping of TIMESTAMP data when a server has data in different time zones or data is being moved between servers with different time zones, defaults to on use --skip-tz-utc to disable.", NULL },
{ "skip-tz-utc", 0, 0, G_OPTION_ARG_NONE, &skip_tz, "", NULL },
{ "use-savepoints", 0, 0, G_OPTION_ARG_NONE, &use_savepoints, "Use savepoints to reduce metadata locking issues, needs SUPER privilege", NULL },
{ "success-on-1146", 0, 0, G_OPTION_ARG_NONE, &success_on_1146, "Not increment error count and Warning instead of Critical in case of table doesn't exist", NULL},
{ "lock-all-tables", 0, 0, G_OPTION_ARG_NONE, &lock_all_tables, "Use LOCK TABLE for all, instead of FTWRL", NULL},
{ "updated-since", 'U', 0, G_OPTION_ARG_INT, &updated_since, "Use Update_time to dump only tables updated in the last U days", NULL},
{ "trx-consistency-only", 0, 0, G_OPTION_ARG_NONE, &trx_consistency_only, "Transactional consistency only", NULL},
{ "complete-insert", 0, 0, G_OPTION_ARG_NONE, &complete_insert, "Use complete INSERT statements that include column names", NULL},
{ NULL, 0, 0, G_OPTION_ARG_NONE, NULL, NULL, NULL }
};
@ -182,6 +206,9 @@ void dump_table_data_file(MYSQL *conn, char *database, char *table, char *where,
void create_backup_dir(char *directory);
gboolean write_data(FILE *,GString*);
gboolean check_regex(char *database, char *table);
gboolean check_skiplist(char *database, char *table);
int tables_skiplist_cmp(gconstpointer a, gconstpointer b, gpointer user_data);
void read_tables_skiplist(const gchar * filename);
void no_log(const gchar *log_domain, GLogLevelFlags log_level, const gchar *message, gpointer user_data);
void set_verbose(guint verbosity);
#ifdef WITH_BINLOG
@ -304,6 +331,68 @@ gboolean check_regex(char *database, char *table) {
return (rc>0)?TRUE:FALSE;
}
/* Check database.table string against skip list; returns TRUE if found */
gboolean check_skiplist(char *database, char *table) {
if (g_sequence_lookup(
tables_skiplist,
g_strdup_printf("%s.%s", database, table),
tables_skiplist_cmp,
NULL
)) {
return TRUE;
}
else {
return FALSE;
};
}
/* Comparison function for skiplist sort and lookup */
int tables_skiplist_cmp(gconstpointer a, gconstpointer b, gpointer user_data) {
/* Not using user_data, but needed for function prototype, shutting up
* compiler warnings about unused variable */
(void)user_data;
/* Any sorting function would work, as long as its usage is consistent
* between sort and lookup. strcmp should be one of the fastest. */
return strcmp(a, b);
};
/* Read the list of tables to skip from the given filename, and prepares them
* for future lookups. */
void read_tables_skiplist(const gchar * filename) {
GIOChannel * tables_skiplist_channel = NULL;
gchar * buf = NULL;
GError * error = NULL;
/* Create skiplist if it does not exist */
if (!tables_skiplist) {
tables_skiplist = g_sequence_new(NULL);
};
tables_skiplist_channel = g_io_channel_new_file(filename, "r", &error);
/* Error opening/reading the file? bail out. */
if (!tables_skiplist_channel) {
g_critical("cannot read/open file %s, %s\n", filename, error->message);
errors++;
return;
};
/* Read lines, push them to the list */
do {
g_io_channel_read_line(tables_skiplist_channel, &buf, NULL, NULL, NULL);
if (buf) {
g_strchomp(buf);
g_sequence_append(tables_skiplist, buf);
};
} while (buf);
g_io_channel_shutdown(tables_skiplist_channel, FALSE, NULL);
/* Sort the list, so that lookups work */
g_sequence_sort(tables_skiplist, tables_skiplist_cmp, NULL);
g_message("Omit list file contains %d tables to skip\n", g_sequence_get_length(tables_skiplist));
return;
};
/* Write some stuff we know about snapshot, before it changes */
void write_snapshot_info(MYSQL *conn, FILE *file) {
MYSQL_RES *master=NULL, *slave=NULL, *mdb=NULL;
@ -332,7 +421,8 @@ void write_snapshot_info(MYSQL *conn, FILE *file) {
mastergtid=row[4];
} else {
/* Let's try with MariaDB 10.x */
mysql_query(conn, "SELECT @@gtid_current_pos");
/* Use gtid_binlog_pos due to issue with gtid_current_pos with galera cluster, gtid_binlog_pos works as well with normal mariadb server https://jira.mariadb.org/browse/MDEV-10279 */
mysql_query(conn, "SELECT @@gtid_binlog_pos");
mdb=mysql_store_result(conn);
if (mdb && (row=mysql_fetch_row(mdb))) {
mastergtid=row[0];
@ -399,11 +489,8 @@ void *process_queue(struct thread_data *td) {
g_mutex_lock(init_mutex);
MYSQL *thrconn = mysql_init(NULL);
g_mutex_unlock(init_mutex);
mysql_options(thrconn,MYSQL_READ_DEFAULT_GROUP,"mydumper");
if (compress_protocol)
mysql_options(thrconn,MYSQL_OPT_COMPRESS,NULL);
configure_connection(thrconn,"mydumper");
if (!mysql_real_connect(thrconn, hostname, username, password, NULL, port, socket_path, 0)) {
g_critical("Failed to connect to database: %s", mysql_error(thrconn));
@ -420,11 +507,12 @@ void *process_queue(struct thread_data *td) {
g_warning("Failed to increase wait_timeout: %s", mysql_error(thrconn));
}
if (mysql_query(thrconn, "SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ")) {
g_warning("Failed to set isolation level: %s", mysql_error(thrconn));
g_critical("Failed to set isolation level: %s", mysql_error(thrconn));
exit(EXIT_FAILURE);
}
if (mysql_query(thrconn, "START TRANSACTION /*!40108 WITH CONSISTENT SNAPSHOT */")) {
g_critical("Failed to start consistent snapshot: %s",mysql_error(thrconn));
errors++;
exit(EXIT_FAILURE);
}
if(!skip_tz && mysql_query(thrconn, "/*!40103 SET TIME_ZONE='+00:00' */")){
g_critical("Failed to set time zone: %s",mysql_error(thrconn));
@ -599,11 +687,8 @@ void *process_queue_less_locking(struct thread_data *td) {
g_mutex_lock(init_mutex);
MYSQL *thrconn = mysql_init(NULL);
g_mutex_unlock(init_mutex);
mysql_options(thrconn,MYSQL_READ_DEFAULT_GROUP,"mydumper");
if (compress_protocol)
mysql_options(thrconn,MYSQL_OPT_COMPRESS,NULL);
configure_connection(thrconn,"mydumper");
if (!mysql_real_connect(thrconn, hostname, username, password, NULL, port, socket_path, 0)) {
g_critical("Failed to connect to database: %s", mysql_error(thrconn));
@ -773,12 +858,12 @@ MYSQL *reconnect_for_binlog(MYSQL *thrconn) {
thrconn= mysql_init(NULL);
g_mutex_unlock(init_mutex);
if (compress_protocol)
mysql_options(thrconn,MYSQL_OPT_COMPRESS,NULL);
configure_connection(thrconn,"mydumper");
int timeout= 1;
mysql_options(thrconn, MYSQL_OPT_READ_TIMEOUT, (const char*)&timeout);
if (!mysql_real_connect(thrconn, hostname, username, password, NULL, port, socket_path, 0)) {
g_critical("Failed to re-connect to database: %s", mysql_error(thrconn));
exit(EXIT_FAILURE);
@ -786,6 +871,7 @@ MYSQL *reconnect_for_binlog(MYSQL *thrconn) {
return thrconn;
}
#endif
int main(int argc, char *argv[])
{
GError *error = NULL;
@ -807,9 +893,16 @@ int main(int argc, char *argv[])
exit (EXIT_FAILURE);
}
g_option_context_free(context);
//prompt for password if it's NULL
if ( sizeof(password) == 0 || ( password == NULL && askPassword ) ){
password = passwordPrompt();
}
//printf("your password is %s and the size is %d \n",password,sizeof(password));
if (program_version) {
g_print("mydumper %s, built against MySQL %s\n", VERSION, MYSQL_SERVER_VERSION);
g_print("mydumper %s, built against MySQL %s\n", VERSION, MYSQL_VERSION_STR);
exit (EXIT_SUCCESS);
}
@ -885,6 +978,10 @@ int main(int argc, char *argv[])
if (tables_list)
tables = g_strsplit(tables_list, ",", 0);
/* Process list of tables to omit if specified */
if (tables_skiplist_file)
read_tables_skiplist(tables_skiplist_file);
if (daemon_mode) {
GError* terror;
#ifdef WITH_BINLOG
@ -937,7 +1034,8 @@ MYSQL *create_main_connection()
{
MYSQL *conn;
conn = mysql_init(NULL);
mysql_options(conn,MYSQL_READ_DEFAULT_GROUP,"mydumper");
configure_connection(conn,"mydumper");
if (!mysql_real_connect(conn, hostname, username, password, db, port, socket_path, 0)) {
g_critical("Error connecting to database: %s", mysql_error(conn));
@ -977,7 +1075,8 @@ void *exec_thread(void *data) {
clear_dump_directory();
MYSQL *conn= create_main_connection();
start_dump(conn);
mysql_close(conn);
// start_dump already closes mysql
// mysql_close(conn);
mysql_thread_end();
// Don't switch the symlink on shutdown because the dump is probably incomplete.
@ -1005,6 +1104,9 @@ void *binlog_thread(void *data) {
MYSQL_ROW row;
MYSQL *conn;
conn = mysql_init(NULL);
if (defaults_file != NULL) {
mysql_options(thrconn,MYSQL_READ_DEFAULT_FILE,defaults_file);
}
mysql_options(conn,MYSQL_READ_DEFAULT_GROUP,"mydumper");
if (!mysql_real_connect(conn, hostname, username, password, db, port, socket_path, 0)) {
@ -1052,6 +1154,7 @@ void start_dump(MYSQL *conn)
struct schema_post *sp;
guint n;
FILE* nufile = NULL;
guint have_backup_locks = 0;
for(n=0;n<num_threads;n++){
nits[n] = 0;
@ -1087,48 +1190,71 @@ void start_dump(MYSQL *conn)
larger than preset value, we terminate the process.
This avoids stalling whole server with flush */
if(!no_locks) {
if (mysql_query(conn, "SHOW PROCESSLIST")) {
g_warning("Could not check PROCESSLIST, no long query guard enabled: %s", mysql_error(conn));
} else {
MYSQL_RES *res = mysql_store_result(conn);
MYSQL_ROW row;
if (mysql_query(conn, "SHOW PROCESSLIST")) {
g_warning("Could not check PROCESSLIST, no long query guard enabled: %s", mysql_error(conn));
} else {
MYSQL_RES *res = mysql_store_result(conn);
MYSQL_ROW row;
/* Just in case PROCESSLIST output column order changes */
MYSQL_FIELD *fields = mysql_fetch_fields(res);
guint i;
int tcol=-1, ccol=-1, icol=-1;
for(i=0; i<mysql_num_fields(res); i++) {
if (!strcasecmp(fields[i].name,"Command")) ccol=i;
else if (!strcasecmp(fields[i].name,"Time")) tcol=i;
else if (!strcasecmp(fields[i].name,"Id")) icol=i;
}
if ((tcol < 0) || (ccol < 0) || (icol < 0)) {
g_critical("Error obtaining information from processlist");
exit(EXIT_FAILURE);
}
while ((row=mysql_fetch_row(res))) {
if (row[ccol] && strcmp(row[ccol],"Query"))
continue;
if (row[tcol] && atoi(row[tcol])>longquery) {
if (killqueries) {
if (mysql_query(conn,p3=g_strdup_printf("KILL %lu",atol(row[icol]))))
g_warning("Could not KILL slow query: %s",mysql_error(conn));
else
g_warning("Killed a query that was running for %ss",row[tcol]);
g_free(p3);
} else {
g_critical("There are queries in PROCESSLIST running longer than %us, aborting dump,\n\t"
"use --long-query-guard to change the guard value, kill queries (--kill-long-queries) or use \n\tdifferent server for dump", longquery);
exit(EXIT_FAILURE);
/* Just in case PROCESSLIST output column order changes */
MYSQL_FIELD *fields = mysql_fetch_fields(res);
guint i;
int tcol=-1, ccol=-1, icol=-1;
for(i=0; i<mysql_num_fields(res); i++) {
if (!strcasecmp(fields[i].name,"Command")) ccol=i;
else if (!strcasecmp(fields[i].name,"Time")) tcol=i;
else if (!strcasecmp(fields[i].name,"Id")) icol=i;
}
if ((tcol < 0) || (ccol < 0) || (icol < 0)) {
g_critical("Error obtaining information from processlist");
exit(EXIT_FAILURE);
}
while ((row=mysql_fetch_row(res))) {
if (row[ccol] && strcmp(row[ccol],"Query"))
continue;
if (row[tcol] && atoi(row[tcol])>longquery) {
if (killqueries) {
if (mysql_query(conn,p3=g_strdup_printf("KILL %lu",atol(row[icol]))))
g_warning("Could not KILL slow query: %s",mysql_error(conn));
else
g_warning("Killed a query that was running for %ss",row[tcol]);
g_free(p3);
} else {
g_critical("There are queries in PROCESSLIST running longer than %us, aborting dump,\n\t"
"use --long-query-guard to change the guard value, kill queries (--kill-long-queries) or use \n\tdifferent server for dump", longquery);
exit(EXIT_FAILURE);
}
}
}
mysql_free_result(res);
}
mysql_free_result(res);
}
if (!no_locks) {
if(lock_all_tables){
// Percona Backup Locks
if(!no_backup_locks){
mysql_query(conn,"SELECT @@have_backup_locks");
MYSQL_RES *rest = mysql_store_result(conn);
if(rest != NULL && mysql_num_rows(rest)){
mysql_free_result(rest);
g_message("Using Percona Backup Locks");
have_backup_locks=1;
}
}
if(have_backup_locks){
if(mysql_query(conn, "LOCK TABLES FOR BACKUP")) {
g_critical("Couldn't acquire LOCK TABLES FOR BACKUP, snapshots will not be consistent: %s",mysql_error(conn));
errors++;
}
if(mysql_query(conn, "LOCK BINLOG FOR BACKUP")) {
g_critical("Couldn't acquire LOCK BINLOG FOR BACKUP, snapshots will not be consistent: %s",mysql_error(conn));
errors++;
}
}else if(lock_all_tables){
// LOCK ALL TABLES
GString *query= g_string_sized_new(16777216);
gchar *dbtb = NULL;
@ -1170,6 +1296,8 @@ void start_dump(MYSQL *conn)
if (!table_found)
lock = 0;
}
if (lock && tables_skiplist_file && check_skiplist(row[0],row[1]))
continue;
if (lock && regexstring && !check_regex(row[0],row[1]))
continue;
@ -1303,6 +1431,8 @@ void start_dump(MYSQL *conn)
if (trx_consistency_only){
g_message("Transactions started, unlocking tables");
mysql_query(conn, "UNLOCK TABLES /* trx-only */");
if(have_backup_locks)
mysql_query(conn, "UNLOCK BINLOG");
}
if (db) {
@ -1416,6 +1546,8 @@ void start_dump(MYSQL *conn)
g_async_queue_pop(conf.unlock_tables);
g_message("Non-InnoDB dump complete, unlocking tables");
mysql_query(conn, "UNLOCK TABLES /* FTWRL */");
if(have_backup_locks)
mysql_query(conn, "UNLOCK BINLOG");
}
#ifdef WITH_BINLOG
if (need_binlogs) {
@ -1535,6 +1667,52 @@ void get_not_updated(MYSQL *conn){
no_updated_tables = g_list_append(no_updated_tables, row[0]);
}
gboolean detect_generated_fields(MYSQL *conn, char *database, char *table){
MYSQL_RES *res=NULL;
MYSQL_ROW row;
gboolean result = FALSE;
gchar *query = g_strdup_printf("select COLUMN_NAME from information_schema.COLUMNS where TABLE_SCHEMA='%s' and TABLE_NAME='%s' and extra like '%%GENERATED%%'", database, table);
mysql_query(conn,query);
g_free(query);
res = mysql_store_result(conn);
if((row = mysql_fetch_row(res))) {
result = TRUE;
}
mysql_free_result(res);
return result;
}
GString * get_insertable_fields(MYSQL *conn, char *database, char *table){
MYSQL_RES *res=NULL;
MYSQL_ROW row;
GString *field_list = g_string_new("");
gchar *query = g_strdup_printf("select COLUMN_NAME from information_schema.COLUMNS where TABLE_SCHEMA='%s' and TABLE_NAME='%s' and extra not like '%%GENERATED%%'", database, table);
mysql_query(conn,query);
g_free(query);
res = mysql_store_result(conn);
gboolean first = TRUE;
while ((row = mysql_fetch_row(res))) {
if(first) {
first = FALSE;
} else {
g_string_append(field_list, ",");
}
g_string_append(field_list, row[0]);
}
mysql_free_result(res);
return field_list;
}
/* Heuristic chunks building - based on estimates, produces list of ranges for datadumping
WORK IN PROGRESS
*/
@ -1602,6 +1780,11 @@ GList * get_chunks_for_table(MYSQL *conn, char *database, char *table, struct co
row=mysql_fetch_row(minmax);
MYSQL_FIELD * fields=mysql_fetch_fields(minmax);
/* Check if all values are NULL */
if (row[0] == NULL)
goto cleanup;
char *min=row[0];
char *max=row[1];
@ -1742,6 +1925,7 @@ void dump_database(MYSQL * conn, char *database, FILE *file, struct configuratio
if (mysql_query(conn, (query))) {
g_critical("Error: DB: %s - Could not execute query: %s", database, mysql_error(conn));
errors++;
g_free(query);
return;
}
@ -1789,6 +1973,11 @@ void dump_database(MYSQL * conn, char *database, FILE *file, struct configuratio
}
}
}
/* Skip views */
if (is_view && no_dump_views)
dump = 0;
if (!dump)
continue;
@ -1814,6 +2003,10 @@ void dump_database(MYSQL * conn, char *database, FILE *file, struct configuratio
continue;
}
/* Checks skip list on 'database.table' string */
if (tables_skiplist && check_skiplist(database,row[0]))
continue;
/* Checks PCRE expressions on 'database.table' string */
if (regexstring && !check_regex(database,row[0]))
continue;
@ -1867,6 +2060,8 @@ void dump_database(MYSQL * conn, char *database, FILE *file, struct configuratio
}
}
mysql_free_result(result);
//Store Procedures and Events
//As these are not attached to tables we need to define when we need to dump or not
//Having regex filter make this hard because we dont now if a full schema is filtered or not
@ -1882,10 +2077,15 @@ void dump_database(MYSQL * conn, char *database, FILE *file, struct configuratio
if (mysql_query(conn, (query))) {
g_critical("Error: DB: %s - Could not execute query: %s", database, mysql_error(conn));
errors++;
g_free(query);
return;
}
result = mysql_store_result(conn);
while ((row = mysql_fetch_row(result)) && !post_dump){
/* Checks skip list on 'database.sp' string */
if (tables_skiplist && check_skiplist(database,row[1]))
continue;
/* Checks PCRE expressions on 'database.sp' string */
if (regexstring && !check_regex(database,row[1]))
continue;
@ -1899,10 +2099,14 @@ void dump_database(MYSQL * conn, char *database, FILE *file, struct configuratio
if (mysql_query(conn, (query))) {
g_critical("Error: DB: %s - Could not execute query: %s", database, mysql_error(conn));
errors++;
g_free(query);
return;
}
result = mysql_store_result(conn);
while ((row = mysql_fetch_row(result)) && !post_dump){
/* Checks skip list on 'database.sp' string */
if (tables_skiplist_file && check_skiplist(database,row[1]))
continue;
/* Checks PCRE expressions on 'database.sp' string */
if (regexstring && !check_regex(database,row[1]))
continue;
@ -1910,6 +2114,7 @@ void dump_database(MYSQL * conn, char *database, FILE *file, struct configuratio
post_dump = 1;
}
}
mysql_free_result(result);
}
if(dump_events && !post_dump){
@ -1918,16 +2123,21 @@ void dump_database(MYSQL * conn, char *database, FILE *file, struct configuratio
if (mysql_query(conn, (query))) {
g_critical("Error: DB: %s - Could not execute query: %s", database, mysql_error(conn));
errors++;
g_free(query);
return;
}
result = mysql_store_result(conn);
while ((row = mysql_fetch_row(result)) && !post_dump){
/* Checks skip list on 'database.sp' string */
if (tables_skiplist_file && check_skiplist(database,row[1]))
continue;
/* Checks PCRE expressions on 'database.sp' string */
if (regexstring && !check_regex(database,row[1]))
continue;
post_dump = 1;
}
mysql_free_result(result);
}
if(post_dump){
@ -1937,7 +2147,6 @@ void dump_database(MYSQL * conn, char *database, FILE *file, struct configuratio
}
g_free(query);
mysql_free_result(result);
if(file)
fflush(file);
@ -2288,6 +2497,9 @@ void dump_schema_data(MYSQL *conn, char *database, char *table, char *filename)
if (detected_server == SERVER_TYPE_MYSQL) {
g_string_printf(statement,"/*!40101 SET NAMES binary*/;\n");
g_string_append(statement,"/*!40014 SET FOREIGN_KEY_CHECKS=0*/;\n\n");
if (!skip_tz) {
g_string_append(statement,"/*!40103 SET TIME_ZONE='+00:00' */;\n");
}
} else {
g_string_printf(statement, "SET FOREIGN_KEY_CHECKS=0;\n");
}
@ -2659,13 +2871,23 @@ guint64 dump_table_data(MYSQL * conn, FILE *file, char *database, char *table, c
g_free(split_filename);
}
gboolean has_generated_fields = detect_generated_fields(conn, database, table);
/* Ghm, not sure if this should be statement_size - but default isn't too big for now */
GString* statement = g_string_sized_new(statement_size);
GString* statement_row = g_string_sized_new(0);
GString* select_fields;
if (has_generated_fields) {
select_fields = get_insertable_fields(conn, database, table);
} else {
select_fields = g_string_new("*");
}
/* Poor man's database code */
query = g_strdup_printf("SELECT %s * FROM `%s`.`%s` %s %s", (detected_server == SERVER_TYPE_MYSQL) ? "/*!40001 SQL_NO_CACHE */" : "", database, table, where?"WHERE":"",where?where:"");
query = g_strdup_printf("SELECT %s %s FROM `%s`.`%s` %s %s", (detected_server == SERVER_TYPE_MYSQL) ? "/*!40001 SQL_NO_CACHE */" : "", select_fields->str, database, table, where?"WHERE":"", where?where:"");
g_string_free(select_fields, TRUE);
if (mysql_query(conn, query) || !(result=mysql_use_result(conn))) {
//ERROR 1146
if(success_on_1146 && mysql_errno(conn) == 1146){
@ -2710,7 +2932,26 @@ guint64 dump_table_data(MYSQL * conn, FILE *file, char *database, char *table, c
return num_rows;
}
}
g_string_printf(statement, "INSERT INTO `%s` VALUES", table);
if (complete_insert || has_generated_fields) {
if (insert_ignore) {
g_string_printf(statement, "INSERT IGNORE INTO `%s` (", table);
} else {
g_string_printf(statement, "INSERT INTO `%s` (", table);
}
for (i = 0; i < num_fields; ++i) {
if (i > 0) {
g_string_append_c(statement, ',');
}
g_string_append_printf(statement, "`%s`", fields[i].name);
}
g_string_append(statement, ") VALUES");
} else {
if (insert_ignore) {
g_string_printf(statement, "INSERT IGNORE INTO `%s` VALUES", table);
} else {
g_string_printf(statement, "INSERT INTO `%s` VALUES", table);
}
}
num_rows_st = 0;
}
@ -2732,9 +2973,11 @@ guint64 dump_table_data(MYSQL * conn, FILE *file, char *database, char *table, c
/* We reuse buffers for string escaping, growing is expensive just at the beginning */
g_string_set_size(escaped, lengths[i]*2+1);
mysql_real_escape_string(conn, escaped->str, row[i], lengths[i]);
if (fields[i].type == MYSQL_TYPE_JSON) g_string_append(statement_row, "CONVERT(");
g_string_append_c(statement_row,'\"');
g_string_append(statement_row,escaped->str);
g_string_append_c(statement_row,'\"');
if (fields[i].type == MYSQL_TYPE_JSON) g_string_append(statement_row, " USING UTF8MB4)");
}
if (i < num_fields - 1) {
g_string_append_c(statement_row,',');
@ -2790,7 +3033,26 @@ guint64 dump_table_data(MYSQL * conn, FILE *file, char *database, char *table, c
g_string_append(statement, statement_row->str);
}
else {
g_string_printf(statement, "INSERT INTO `%s` VALUES", table);
if (complete_insert) {
if (insert_ignore) {
g_string_printf(statement, "INSERT IGNORE INTO `%s` (", table);
} else {
g_string_printf(statement, "INSERT INTO `%s` (", table);
}
for (i = 0; i < num_fields; ++i) {
if (i > 0) {
g_string_append_c(statement, ',');
}
g_string_append_printf(statement, "`%s`", fields[i].name);
}
g_string_append(statement, ") VALUES");
} else {
if (insert_ignore) {
g_string_printf(statement, "INSERT IGNORE INTO `%s` VALUES", table);
} else {
g_string_printf(statement, "INSERT INTO `%s` VALUES", table);
}
}
g_string_append(statement, statement_row->str);
}
}
@ -2809,6 +3071,7 @@ cleanup:
g_string_free(escaped,TRUE);
g_string_free(statement,TRUE);
g_string_free(statement_row,TRUE);
if (result) {
mysql_free_result(result);

28
myloader.c
View File

@ -19,6 +19,11 @@
#define _FILE_OFFSET_BITS 64
#include <mysql.h>
#if defined MARIADB_CLIENT_VERSION_STR && !defined MYSQL_SERVER_VERSION
#define MYSQL_SERVER_VERSION MARIADB_CLIENT_VERSION_STR
#endif
#include <unistd.h>
#include <stdio.h>
#include <string.h>
@ -30,7 +35,9 @@
#include <zlib.h>
#include "common.h"
#include "myloader.h"
#include "connection.h"
#include "config.h"
#include "getPassword.h"
guint commit_count= 1000;
gchar *directory= NULL;
@ -113,8 +120,13 @@ int main(int argc, char *argv[]) {
}
g_option_context_free(context);
//prompt for password if it's NULL
if ( sizeof(password) == 0 || ( password == NULL && askPassword ) ){
password = passwordPrompt();
}
if (program_version) {
g_print("myloader %s, built against MySQL %s\n", VERSION, MYSQL_SERVER_VERSION);
g_print("myloader %s, built against MySQL %s\n", VERSION, MYSQL_VERSION_STR);
exit(EXIT_SUCCESS);
}
@ -130,11 +142,10 @@ int main(int argc, char *argv[]) {
exit(EXIT_FAILURE);
}
}
MYSQL *conn;
conn= mysql_init(NULL);
mysql_options(conn, MYSQL_READ_DEFAULT_GROUP, "myloader");
configure_connection(conn,"myloader");
if (!mysql_real_connect(conn, hostname, username, password, NULL, port, socket_path, 0)) {
g_critical("Error connection to database: %s", mysql_error(conn));
exit(EXIT_FAILURE);
@ -328,10 +339,12 @@ void create_database(MYSQL *conn, gchar *database){
if((db == NULL && source_db == NULL) || (db != NULL && source_db != NULL && !g_ascii_strcasecmp(db, source_db))){
const gchar* filename= g_strdup_printf("%s-schema-create.sql", db ? db : database);
const gchar* filenamegz= g_strdup_printf("%s-schema-create.sql.gz", db ? db : database);
const gchar* filepath= g_strdup_printf("%s/%s-schema-create.sql", directory, db ? db : database);
const gchar* filepathgz= g_strdup_printf("%s/%s-schema-create.sql.gz", directory, db ? db : database);
if (g_file_test (filename, G_FILE_TEST_EXISTS)){
if (g_file_test (filepath, G_FILE_TEST_EXISTS)){
restore_data(conn, database, NULL, filename, TRUE, FALSE);
}else if (g_file_test (filenamegz, G_FILE_TEST_EXISTS)){
}else if (g_file_test (filepathgz, G_FILE_TEST_EXISTS)){
restore_data(conn, database, NULL, filenamegz, TRUE, FALSE);
}else{
query= g_strdup_printf("CREATE DATABASE `%s`", db ? db : database);
@ -405,10 +418,7 @@ void *process_queue(struct thread_data *td) {
MYSQL *thrconn= mysql_init(NULL);
g_mutex_unlock(init_mutex);
mysql_options(thrconn, MYSQL_READ_DEFAULT_GROUP, "myloader");
if (compress_protocol)
mysql_options(thrconn, MYSQL_OPT_COMPRESS, NULL);
configure_connection(thrconn,"myloader");
if (!mysql_real_connect(thrconn, hostname, username, password, NULL, port, socket_path, 0)) {
g_critical("Failed to connect to MySQL server: %s", mysql_error(thrconn));