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536 lines
17 KiB
C
536 lines
17 KiB
C
/* Copyright (C) 2000 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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/*
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** mysqlimport.c - Imports all given files
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** into a table(s).
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**
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** *************************
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** * *
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** * AUTHOR: Monty & Jani *
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** * DATE: June 24, 1997 *
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** * *
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** *************************
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*/
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#define IMPORT_VERSION "3.5"
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#include "client_priv.h"
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#include "mysql_version.h"
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static void db_error_with_table(MYSQL *mysql, char *table);
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static void db_error(MYSQL *mysql);
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static char *field_escape(char *to,const char *from,uint length);
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static char *add_load_option(char *ptr,const char *object,
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const char *statement);
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static my_bool verbose=0,lock_tables=0,ignore_errors=0,opt_delete=0,
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replace=0,silent=0,ignore=0,opt_compress=0,
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opt_low_priority= 0, tty_password= 0;
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static uint opt_local_file=0;
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static MYSQL mysql_connection;
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static char *opt_password=0, *current_user=0,
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*current_host=0, *current_db=0, *fields_terminated=0,
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*lines_terminated=0, *enclosed=0, *opt_enclosed=0,
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*escaped=0, *opt_columns=0,
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*default_charset= (char*) MYSQL_DEFAULT_CHARSET_NAME;
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static uint opt_mysql_port= 0, opt_protocol= 0;
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static my_string opt_mysql_unix_port=0;
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static longlong opt_ignore_lines= -1;
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static CHARSET_INFO *charset_info= &my_charset_latin1;
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#include <sslopt-vars.h>
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#ifdef HAVE_SMEM
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static char *shared_memory_base_name=0;
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#endif
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static struct my_option my_long_options[] =
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{
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#ifdef __NETWARE__
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{"auto-close", OPT_AUTO_CLOSE, "Auto close the screen on exit for Netware.",
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0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
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#endif
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{"character-sets-dir", OPT_CHARSETS_DIR,
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"Directory where character sets are.", (gptr*) &charsets_dir,
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(gptr*) &charsets_dir, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
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{"default-character-set", OPT_DEFAULT_CHARSET,
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"Set the default character set.", (gptr*) &default_charset,
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(gptr*) &default_charset, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
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{"columns", 'c',
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"Use only these columns to import the data to. Give the column names in a comma separated list. This is same as giving columns to LOAD DATA INFILE.",
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(gptr*) &opt_columns, (gptr*) &opt_columns, 0, GET_STR, REQUIRED_ARG, 0, 0, 0,
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0, 0, 0},
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{"compress", 'C', "Use compression in server/client protocol.",
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(gptr*) &opt_compress, (gptr*) &opt_compress, 0, GET_BOOL, NO_ARG, 0, 0, 0,
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0, 0, 0},
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{"debug",'#', "Output debug log. Often this is 'd:t:o,filename'.", 0, 0, 0,
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GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
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{"delete", 'd', "First delete all rows from table.", (gptr*) &opt_delete,
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(gptr*) &opt_delete, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
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{"fields-terminated-by", OPT_FTB,
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"Fields in the textfile are terminated by ...", (gptr*) &fields_terminated,
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(gptr*) &fields_terminated, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
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{"fields-enclosed-by", OPT_ENC,
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"Fields in the importfile are enclosed by ...", (gptr*) &enclosed,
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(gptr*) &enclosed, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
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{"fields-optionally-enclosed-by", OPT_O_ENC,
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"Fields in the i.file are opt. enclosed by ...", (gptr*) &opt_enclosed,
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(gptr*) &opt_enclosed, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
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{"fields-escaped-by", OPT_ESC, "Fields in the i.file are escaped by ...",
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(gptr*) &escaped, (gptr*) &escaped, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0,
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0, 0},
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{"force", 'f', "Continue even if we get an sql-error.",
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(gptr*) &ignore_errors, (gptr*) &ignore_errors, 0, GET_BOOL, NO_ARG, 0, 0,
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0, 0, 0, 0},
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{"help", '?', "Displays this help and exits.", 0, 0, 0, GET_NO_ARG, NO_ARG,
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0, 0, 0, 0, 0, 0},
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{"host", 'h', "Connect to host.", (gptr*) ¤t_host,
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(gptr*) ¤t_host, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
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{"ignore", 'i', "If duplicate unique key was found, keep old row.",
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(gptr*) &ignore, (gptr*) &ignore, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
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{"ignore-lines", OPT_IGN_LINES, "Ignore first n lines of data infile.",
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(gptr*) &opt_ignore_lines, (gptr*) &opt_ignore_lines, 0, GET_LL,
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REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
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{"lines-terminated-by", OPT_LTB, "Lines in the i.file are terminated by ...",
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(gptr*) &lines_terminated, (gptr*) &lines_terminated, 0, GET_STR,
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REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
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{"local", 'L', "Read all files through the client.", (gptr*) &opt_local_file,
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(gptr*) &opt_local_file, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
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{"lock-tables", 'l', "Lock all tables for write.", (gptr*) &lock_tables,
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(gptr*) &lock_tables, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
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{"low-priority", OPT_LOW_PRIORITY,
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"Use LOW_PRIORITY when updating the table.", (gptr*) &opt_low_priority,
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(gptr*) &opt_low_priority, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
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{"password", 'p',
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"Password to use when connecting to server. If password is not given it's asked from the tty.",
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0, 0, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
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#ifdef __WIN__
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{"pipe", 'W', "Use named pipes to connect to server.", 0, 0, 0, GET_NO_ARG,
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NO_ARG, 0, 0, 0, 0, 0, 0},
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#endif
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{"port", 'P', "Port number to use for connection.", (gptr*) &opt_mysql_port,
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(gptr*) &opt_mysql_port, 0, GET_UINT, REQUIRED_ARG, MYSQL_PORT, 0, 0, 0, 0,
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0},
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{"protocol", OPT_MYSQL_PROTOCOL, "The protocol of connection (tcp,socket,pipe,memory).",
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0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
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{"replace", 'r', "If duplicate unique key was found, replace old row.",
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(gptr*) &replace, (gptr*) &replace, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
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#ifdef HAVE_SMEM
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{"shared-memory-base-name", OPT_SHARED_MEMORY_BASE_NAME,
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"Base name of shared memory.", (gptr*) &shared_memory_base_name, (gptr*) &shared_memory_base_name,
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0, GET_STR_ALLOC, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
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#endif
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{"silent", 's', "Be more silent.", (gptr*) &silent, (gptr*) &silent, 0,
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GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
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{"socket", 'S', "Socket file to use for connection.",
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(gptr*) &opt_mysql_unix_port, (gptr*) &opt_mysql_unix_port, 0, GET_STR,
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REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
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#include <sslopt-longopts.h>
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#ifndef DONT_ALLOW_USER_CHANGE
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{"user", 'u', "User for login if not current user.", (gptr*) ¤t_user,
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(gptr*) ¤t_user, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
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#endif
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{"verbose", 'v', "Print info about the various stages.", (gptr*) &verbose,
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(gptr*) &verbose, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
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{"version", 'V', "Output version information and exit.", 0, 0, 0, GET_NO_ARG,
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NO_ARG, 0, 0, 0, 0, 0, 0},
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{ 0, 0, 0, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}
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};
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static const char *load_default_groups[]= { "mysqlimport","client",0 };
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#include <help_start.h>
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static void print_version(void)
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{
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printf("%s Ver %s Distrib %s, for %s (%s)\n" ,my_progname,
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IMPORT_VERSION, MYSQL_SERVER_VERSION,SYSTEM_TYPE,MACHINE_TYPE);
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NETWARE_SET_SCREEN_MODE(1);
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}
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static void usage(void)
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{
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print_version();
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puts("Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB");
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puts("This software comes with ABSOLUTELY NO WARRANTY. This is free software,\nand you are welcome to modify and redistribute it under the GPL license\n");
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printf("\
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Loads tables from text files in various formats. The base name of the\n\
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text file must be the name of the table that should be used.\n\
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If one uses sockets to connect to the MySQL server, the server will open and\n\
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read the text file directly. In other cases the client will open the text\n\
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file. The SQL command 'LOAD DATA INFILE' is used to import the rows.\n");
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printf("\nUsage: %s [OPTIONS] database textfile...",my_progname);
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print_defaults("my",load_default_groups);
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my_print_help(my_long_options);
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my_print_variables(my_long_options);
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}
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#include <help_end.h>
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static my_bool
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get_one_option(int optid, const struct my_option *opt __attribute__((unused)),
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char *argument)
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{
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switch(optid) {
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#ifdef __NETWARE__
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case OPT_AUTO_CLOSE:
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setscreenmode(SCR_AUTOCLOSE_ON_EXIT);
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break;
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#endif
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case 'p':
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if (argument)
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{
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char *start=argument;
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my_free(opt_password,MYF(MY_ALLOW_ZERO_PTR));
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opt_password=my_strdup(argument,MYF(MY_FAE));
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while (*argument) *argument++= 'x'; /* Destroy argument */
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if (*start)
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start[1]=0; /* Cut length of argument */
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tty_password= 0;
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}
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else
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tty_password= 1;
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break;
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#ifdef __WIN__
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case 'W':
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opt_protocol = MYSQL_PROTOCOL_PIPE;
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opt_local_file=1;
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break;
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#endif
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case OPT_MYSQL_PROTOCOL:
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{
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if ((opt_protocol= find_type(argument, &sql_protocol_typelib,0)) <= 0)
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{
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fprintf(stderr, "Unknown option to protocol: %s\n", argument);
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exit(1);
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}
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break;
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}
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case '#':
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DBUG_PUSH(argument ? argument : "d:t:o");
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break;
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#include <sslopt-case.h>
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case 'V': print_version(); exit(0);
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case 'I':
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case '?':
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usage();
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exit(0);
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}
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return 0;
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}
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static int get_options(int *argc, char ***argv)
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{
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int ho_error;
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if ((ho_error=handle_options(argc, argv, my_long_options, get_one_option)))
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exit(ho_error);
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if (enclosed && opt_enclosed)
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{
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fprintf(stderr, "You can't use ..enclosed.. and ..optionally-enclosed.. at the same time.\n");
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return(1);
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}
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if (replace && ignore)
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{
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fprintf(stderr, "You can't use --ignore (-i) and --replace (-r) at the same time.\n");
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return(1);
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}
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if (strcmp(default_charset, charset_info->csname) &&
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!(charset_info= get_charset_by_csname(default_charset,
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MY_CS_PRIMARY, MYF(MY_WME))))
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exit(1);
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if (*argc < 2)
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{
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usage();
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return 1;
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}
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current_db= *((*argv)++);
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(*argc)--;
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if (tty_password)
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opt_password=get_tty_password(NullS);
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return(0);
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}
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static int write_to_table(char *filename, MYSQL *sock)
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{
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char tablename[FN_REFLEN], hard_path[FN_REFLEN],
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sql_statement[FN_REFLEN*16+256], *end;
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DBUG_ENTER("write_to_table");
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DBUG_PRINT("enter",("filename: %s",filename));
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fn_format(tablename, filename, "", "", 1 | 2); /* removes path & ext. */
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if (! opt_local_file)
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strmov(hard_path,filename);
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else
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my_load_path(hard_path, filename, NULL); /* filename includes the path */
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if (opt_delete)
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{
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if (verbose)
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fprintf(stdout, "Deleting the old data from table %s\n", tablename);
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sprintf(sql_statement, "DELETE FROM %s", tablename);
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if (mysql_query(sock, sql_statement))
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{
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db_error_with_table(sock, tablename);
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DBUG_RETURN(1);
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}
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}
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to_unix_path(hard_path);
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if (verbose)
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{
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if (opt_local_file)
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fprintf(stdout, "Loading data from LOCAL file: %s into %s\n",
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hard_path, tablename);
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else
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fprintf(stdout, "Loading data from SERVER file: %s into %s\n",
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hard_path, tablename);
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}
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sprintf(sql_statement, "LOAD DATA %s %s INFILE '%s'",
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opt_low_priority ? "LOW_PRIORITY" : "",
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opt_local_file ? "LOCAL" : "", hard_path);
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end= strend(sql_statement);
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if (replace)
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end= strmov(end, " REPLACE");
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if (ignore)
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end= strmov(end, " IGNORE");
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end= strmov(strmov(end, " INTO TABLE "), tablename);
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if (fields_terminated || enclosed || opt_enclosed || escaped)
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end= strmov(end, " FIELDS");
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end= add_load_option(end, fields_terminated, " TERMINATED BY");
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end= add_load_option(end, enclosed, " ENCLOSED BY");
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end= add_load_option(end, opt_enclosed,
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" OPTIONALLY ENCLOSED BY");
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end= add_load_option(end, escaped, " ESCAPED BY");
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end= add_load_option(end, lines_terminated, " LINES TERMINATED BY");
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if (opt_ignore_lines >= 0)
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end= strmov(longlong10_to_str(opt_ignore_lines,
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strmov(end, " IGNORE "),10), " LINES");
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if (opt_columns)
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end= strmov(strmov(strmov(end, " ("), opt_columns), ")");
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*end= '\0';
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if (mysql_query(sock, sql_statement))
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{
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db_error_with_table(sock, tablename);
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DBUG_RETURN(1);
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}
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if (!silent)
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{
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if (mysql_info(sock)) /* If NULL-pointer, print nothing */
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{
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fprintf(stdout, "%s.%s: %s\n", current_db, tablename,
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mysql_info(sock));
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}
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}
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DBUG_RETURN(0);
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}
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static void lock_table(MYSQL *sock, int tablecount, char **raw_tablename)
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{
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DYNAMIC_STRING query;
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int i;
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char tablename[FN_REFLEN];
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if (verbose)
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fprintf(stdout, "Locking tables for write\n");
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init_dynamic_string(&query, "LOCK TABLES ", 256, 1024);
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for (i=0 ; i < tablecount ; i++)
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{
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fn_format(tablename, raw_tablename[i], "", "", 1 | 2);
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dynstr_append(&query, tablename);
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dynstr_append(&query, " WRITE,");
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}
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if (mysql_real_query(sock, query.str, query.length-1))
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db_error(sock); /* We shall countinue here, if --force was given */
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}
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static MYSQL *db_connect(char *host, char *database, char *user, char *passwd)
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{
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MYSQL *sock;
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if (verbose)
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fprintf(stdout, "Connecting to %s\n", host ? host : "localhost");
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mysql_init(&mysql_connection);
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if (opt_compress)
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mysql_options(&mysql_connection,MYSQL_OPT_COMPRESS,NullS);
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if (opt_local_file)
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mysql_options(&mysql_connection,MYSQL_OPT_LOCAL_INFILE,
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(char*) &opt_local_file);
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#ifdef HAVE_OPENSSL
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if (opt_use_ssl)
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mysql_ssl_set(&mysql_connection, opt_ssl_key, opt_ssl_cert, opt_ssl_ca,
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opt_ssl_capath, opt_ssl_cipher);
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#endif
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if (opt_protocol)
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mysql_options(&mysql_connection,MYSQL_OPT_PROTOCOL,(char*)&opt_protocol);
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#ifdef HAVE_SMEM
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if (shared_memory_base_name)
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mysql_options(&mysql_connection,MYSQL_SHARED_MEMORY_BASE_NAME,shared_memory_base_name);
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#endif
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if (!(sock= mysql_real_connect(&mysql_connection,host,user,passwd,
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database,opt_mysql_port,opt_mysql_unix_port,
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0)))
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{
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ignore_errors=0; /* NO RETURN FROM db_error */
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db_error(&mysql_connection);
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}
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mysql_connection.reconnect= 0;
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if (verbose)
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fprintf(stdout, "Selecting database %s\n", database);
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if (mysql_select_db(sock, database))
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{
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ignore_errors=0;
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db_error(&mysql_connection);
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}
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return sock;
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}
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static void db_disconnect(char *host, MYSQL *sock)
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{
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if (verbose)
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fprintf(stdout, "Disconnecting from %s\n", host ? host : "localhost");
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mysql_close(sock);
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}
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static void safe_exit(int error, MYSQL *sock)
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{
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if (ignore_errors)
|
|
return;
|
|
if (sock)
|
|
mysql_close(sock);
|
|
exit(error);
|
|
}
|
|
|
|
|
|
|
|
static void db_error_with_table(MYSQL *mysql, char *table)
|
|
{
|
|
my_printf_error(0,"Error: %s, when using table: %s",
|
|
MYF(0), mysql_error(mysql), table);
|
|
safe_exit(1, mysql);
|
|
}
|
|
|
|
|
|
|
|
static void db_error(MYSQL *mysql)
|
|
{
|
|
my_printf_error(0,"Error: %s", MYF(0), mysql_error(mysql));
|
|
safe_exit(1, mysql);
|
|
}
|
|
|
|
|
|
static char *add_load_option(char *ptr, const char *object,
|
|
const char *statement)
|
|
{
|
|
if (object)
|
|
{
|
|
/* Don't escape hex constants */
|
|
if (object[0] == '0' && (object[1] == 'x' || object[1] == 'X'))
|
|
ptr= strxmov(ptr," ",statement," ",object,NullS);
|
|
else
|
|
{
|
|
/* char constant; escape */
|
|
ptr= strxmov(ptr," ",statement," '",NullS);
|
|
ptr= field_escape(ptr,object,(uint) strlen(object));
|
|
*ptr++= '\'';
|
|
}
|
|
}
|
|
return ptr;
|
|
}
|
|
|
|
/*
|
|
** Allow the user to specify field terminator strings like:
|
|
** "'", "\", "\\" (escaped backslash), "\t" (tab), "\n" (newline)
|
|
** This is done by doubleing ' and add a end -\ if needed to avoid
|
|
** syntax errors from the SQL parser.
|
|
*/
|
|
|
|
static char *field_escape(char *to,const char *from,uint length)
|
|
{
|
|
const char *end;
|
|
uint end_backslashes=0;
|
|
|
|
for (end= from+length; from != end; from++)
|
|
{
|
|
*to++= *from;
|
|
if (*from == '\\')
|
|
end_backslashes^=1; /* find odd number of backslashes */
|
|
else
|
|
{
|
|
if (*from == '\'' && !end_backslashes)
|
|
*to++= *from; /* We want a dublicate of "'" for MySQL */
|
|
end_backslashes=0;
|
|
}
|
|
}
|
|
/* Add missing backslashes if user has specified odd number of backs.*/
|
|
if (end_backslashes)
|
|
*to++= '\\';
|
|
return to;
|
|
}
|
|
|
|
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
int exitcode=0, error=0;
|
|
char **argv_to_free;
|
|
MYSQL *sock=0;
|
|
MY_INIT(argv[0]);
|
|
|
|
load_defaults("my",load_default_groups,&argc,&argv);
|
|
/* argv is changed in the program */
|
|
argv_to_free= argv;
|
|
if (get_options(&argc, &argv))
|
|
{
|
|
free_defaults(argv_to_free);
|
|
return(1);
|
|
}
|
|
if (!(sock= db_connect(current_host,current_db,current_user,opt_password)))
|
|
{
|
|
free_defaults(argv_to_free);
|
|
return(1); /* purecov: deadcode */
|
|
}
|
|
if (lock_tables)
|
|
lock_table(sock, argc, argv);
|
|
for (; *argv != NULL; argv++)
|
|
if ((error=write_to_table(*argv, sock)))
|
|
if (exitcode == 0)
|
|
exitcode = error;
|
|
db_disconnect(current_host, sock);
|
|
my_free(opt_password,MYF(MY_ALLOW_ZERO_PTR));
|
|
#ifdef HAVE_SMEM
|
|
my_free(shared_memory_base_name,MYF(MY_ALLOW_ZERO_PTR));
|
|
#endif
|
|
free_defaults(argv_to_free);
|
|
my_end(0);
|
|
return(exitcode);
|
|
}
|