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Commit f0ae1dbb authored by jani@hynda.mysql.fi's avatar jani@hynda.mysql.fi
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Applied a patch for mysqldump

parent 5ea641ad
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Showing with 68 additions and 27 deletions
client/mysqldump.c
View file @ f0ae1dbb
......@@ -18,26 +18,22 @@
**
** The author's original notes follow :-
**
** ******************************************************
** * *
** * AUTHOR: Igor Romanenko (igor@frog.kiev.ua) *
** * DATE: December 3, 1994 *
** * WARRANTY: None, expressed, impressed, implied *
** * or other *
** * STATUS: Public domain *
** * Adapted and optimized for MySQL by *
** * Michael Widenius, Sinisa Milivojevic, Jani Tolonen *
** * -w --where added 9/10/98 by Jim Faucette *
** * slave code by David Saez Padros <david@ols.es> *
** * *
** ******************************************************
*/
/* SSL by
** AUTHOR: Igor Romanenko (igor@frog.kiev.ua)
** DATE: December 3, 1994
** WARRANTY: None, expressed, impressed, implied
** or other
** STATUS: Public domain
** Adapted and optimized for MySQL by
** Michael Widenius, Sinisa Milivojevic, Jani Tolonen
** -w --where added 9/10/98 by Jim Faucette
** slave code by David Saez Padros <david@ols.es>
** master/autocommit code by Brian Aker <brian@tangent.org>
** SSL by
** Andrei Errapart <andreie@no.spam.ee>
** Tnu Samuel <tonu@please.do.not.remove.this.spam.ee>
**/
#define DUMP_VERSION "8.16"
#define DUMP_VERSION "8.17"
#include <my_global.h>
#include <my_sys.h>
......@@ -73,7 +69,7 @@ static my_bool verbose=0,tFlag=0,cFlag=0,dFlag=0,quick=0, extended_insert = 0,
lock_tables=0,ignore_errors=0,flush_logs=0,replace=0,
ignore=0,opt_drop=0,opt_keywords=0,opt_lock=0,opt_compress=0,
opt_delayed=0,create_options=0,opt_quoted=0,opt_databases=0,
opt_alldbs=0,opt_create_db=0,opt_first_slave=0;
opt_alldbs=0,opt_create_db=0,opt_first_slave=0, opt_autocommit=0, opt_master_data;
static MYSQL mysql_connection,*sock=0;
static char insert_pat[12 * 1024],*opt_password=0,*current_user=0,
*current_host=0,*path=0,*fields_terminated=0,
......@@ -89,7 +85,8 @@ FILE *md_result_file;
enum md_options {OPT_FTB=256, OPT_LTB, OPT_ENC, OPT_O_ENC, OPT_ESC,
OPT_KEYWORDS, OPT_LOCKS, OPT_DROP, OPT_OPTIMIZE, OPT_DELAYED,
OPT_TABLES, MD_OPT_CHARSETS_DIR, MD_OPT_DEFAULT_CHARSET};
OPT_TABLES, MD_OPT_CHARSETS_DIR, MD_OPT_DEFAULT_CHARSET,
OPT_AUTOCOMMIT, OPT_MASTER_DATA};
static struct option long_options[] =
{
......@@ -117,6 +114,8 @@ static struct option long_options[] =
{"host", required_argument, 0, 'h'},
{"lines-terminated-by", required_argument, 0, (int) OPT_LTB},
{"lock-tables", no_argument, 0, 'l'},
{"master-data", no_argument, 0, OPT_MASTER_DATA},
{"no-autocommit", no_argument, 0, OPT_AUTOCOMMIT},
{"no-create-db", no_argument, 0, 'n'},
{"no-create-info", no_argument, 0, 't'},
{"no-data", no_argument, 0, 'd'},
......@@ -205,11 +204,15 @@ static void usage(void)
--add-locks Add locks around insert statements.\n\
--allow-keywords Allow creation of column names that are keywords.\n\
--delayed-insert Insert rows with INSERT DELAYED.\n\
--master-data This will cause the master position and filename to \n\
be appended to your output. This will automagically \n\
enable --first-slave.\n\
-F, --flush-logs Flush logs file in server before starting dump.\n\
-f, --force Continue even if we get an sql-error.\n\
-h, --host=... Connect to host.\n");
puts("\
-l, --lock-tables Lock all tables for read.\n\
--no-autocommit Wrap tables with autocommit/commit statements.\n\
-n, --no-create-db 'CREATE DATABASE /*!32312 IF NOT EXISTS*/ db_name;'\n\
will not be put in the output. The above line will\n\
be added otherwise, if --databases or\n\
......@@ -249,6 +252,7 @@ puts("\
-v, --verbose Print info about the various stages.\n\
-V, --version Output version information and exit.\n\
-w, --where= dump only selected records; QUOTES mandatory!\n\
-x, --first-slave Locks all tables across all databases.\n\
EXAMPLES: \"--where=user=\'jimf\'\" \"-wuserid>1\" \"-wuserid<1\"\n\
Use -T (--tab=...) with --fields-...\n\
--fields-terminated-by=...\n\
......@@ -274,7 +278,7 @@ puts("\
static void write_heder(FILE *sql_file, char *db_name)
{
fprintf(sql_file, "-- MySQL dump %s\n#\n", DUMP_VERSION);
fprintf(sql_file, "-- MySQL dump %s\n--\n", DUMP_VERSION);
fprintf(sql_file, "-- Host: %s Database: %s\n",
current_host ? current_host : "localhost", db_name ? db_name : "");
fputs("---------------------------------------------------------\n",
......@@ -298,6 +302,13 @@ static int get_options(int *argc,char ***argv)
long_options, &option_index)) != EOF)
{
switch(c) {
case OPT_MASTER_DATA:
opt_master_data=1;
opt_first_slave=1;
break;
case OPT_AUTOCOMMIT:
opt_autocommit=1;
break;
case 'a':
create_options=1;
break;
......@@ -643,7 +654,7 @@ static uint getTableStructure(char *table, char* db)
}
write_heder(sql_file, db);
}
fprintf(sql_file, "\n#\n# Table structure for table '%s'\n#\n\n", table);
fprintf(sql_file, "\n--\n-- Table structure for table '%s'\n--\n\n",table);
if (opt_drop)
fprintf(sql_file, "DROP TABLE IF EXISTS %s;\n",table_name);
......@@ -716,7 +727,7 @@ static uint getTableStructure(char *table, char* db)
}
write_heder(sql_file, db);
}
fprintf(sql_file, "\n#\n# Table structure for table '%s'\n#\n\n", table);
fprintf(sql_file, "\n--\n-- Table structure for table '%s'\n--\n\n",table);
if (opt_drop)
fprintf(sql_file, "DROP TABLE IF EXISTS %s;\n",table_name);
fprintf(sql_file, "CREATE TABLE %s (\n", table_name);
......@@ -973,7 +984,7 @@ static void dumpTable(uint numFields, char *table)
}
else
{
fprintf(md_result_file,"\n#\n# Dumping data for table '%s'\n", table);
fprintf(md_result_file,"\n--\n-- Dumping data for table '%s'\n--\n", table);
sprintf(query, "SELECT * FROM %s", quote_name(table,table_buff));
if (where)
{
......@@ -1014,6 +1025,9 @@ static void dumpTable(uint numFields, char *table)
rownr=0;
init_length=(uint) strlen(insert_pat)+4;
if (opt_autocommit)
fprintf(md_result_file, "set autocommit=0;\n");
while ((row=mysql_fetch_row(res)))
{
uint i;
......@@ -1140,6 +1154,8 @@ static void dumpTable(uint numFields, char *table)
if (opt_lock)
fputs("UNLOCK TABLES;\n", md_result_file);
mysql_free_result(res);
if (opt_autocommit)
fprintf(md_result_file, "commit;\n");
}
} /* dumpTable */
......@@ -1214,7 +1230,7 @@ static int init_dumping(char *database)
{
if (opt_databases || opt_alldbs)
{
fprintf(md_result_file,"\n#\n# Current Database: %s\n#\n", database);
fprintf(md_result_file,"\n--\n-- Current Database: %s\n--\n", database);
if (!opt_create_db)
fprintf(md_result_file,"\nCREATE DATABASE /*!32312 IF NOT EXISTS*/ %s;\n",
database);
......@@ -1242,7 +1258,7 @@ static int dump_all_tables_in_db(char *database)
init_dynamic_string(&query, "LOCK TABLES ", 256, 1024);
for (numrows=0 ; (table = getTableName(1)) ; numrows++)
{
dynstr_append(&query, quote_name(table,table_buff));
dynstr_append(&query, quote_name(table, table_buff));
dynstr_append(&query, " READ /*!32311 LOCAL */,");
}
if (numrows && mysql_real_query(sock, query.str, query.length-1))
......@@ -1284,7 +1300,7 @@ static int dump_selected_tables(char *db, char **table_names, int tables)
init_dynamic_string(&query, "LOCK TABLES ", 256, 1024);
for (i=0 ; i < tables ; i++)
{
dynstr_append(&query, quote_name(table_names[i],table_buff));
dynstr_append(&query, quote_name(table_names[i], table_buff));
dynstr_append(&query, " READ /*!32311 LOCAL */,");
}
if (mysql_real_query(sock, query.str, query.length-1))
......@@ -1340,6 +1356,9 @@ static void print_value(FILE *file, MYSQL_RES *result, MYSQL_ROW row,
int main(int argc, char **argv)
{
MYSQL_ROW row;
MYSQL_RES *master;
MY_INIT(argv[0]);
/*
** Check out the args
......@@ -1376,6 +1395,28 @@ int main(int argc, char **argv)
if (opt_first_slave)
{
if (opt_master_data)
{
if (mysql_query(sock, "SHOW MASTER STATUS") ||
!(master = mysql_store_result(sock)))
{
my_printf_error(0, "Error: Couldn't execute 'SHOW MASTER STATUS': %s",
MYF(0), mysql_error(sock));
}
else
{
row = mysql_fetch_row(master);
if(row[0] && row[1]) {
fprintf(md_result_file,
"\n--\n-- Position to start replication from\n--\n\n");
fprintf(md_result_file,
"CHANGE MASTER TO MASTER_LOG_FILE='%s' ;\n", row[0]);
fprintf(md_result_file, "CHANGE MASTER TO MASTER_LOG_POS=%s ;\n",
row[1]);
}
mysql_free_result(master);
}
}
if (mysql_query(sock, "FLUSH MASTER"))
{
my_printf_error(0, "Error: Couldn't execute 'FLUSH MASTER': %s",
......
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