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-rw-r--r--client/mysqldump.c105
1 files changed, 86 insertions, 19 deletions
diff --git a/client/mysqldump.c b/client/mysqldump.c
index 7c363973da2..2aec9265921 100644
--- a/client/mysqldump.c
+++ b/client/mysqldump.c
@@ -42,6 +42,11 @@
/* on merge conflict, bump to a higher version again */
#define DUMP_VERSION "10.19"
+/**
+ First mysql version supporting sequences.
+*/
+#define FIRST_SEQUENCE_VERSION 100300
+
#include <my_global.h>
#include <my_sys.h>
#include <my_user.h>
@@ -93,6 +98,11 @@
/* Max length GTID position that we will output. */
#define MAX_GTID_LENGTH 1024
+/* Dump sequence/tables control */
+#define DUMP_TABLE_ALL -1
+#define DUMP_TABLE_TABLE 0
+#define DUMP_TABLE_SEQUENCE 1
+
static my_bool ignore_table_data(const uchar *hash_key, size_t len);
static void add_load_option(DYNAMIC_STRING *str, const char *option,
const char *option_value);
@@ -1079,6 +1089,22 @@ static int get_options(int *argc, char ***argv)
if ((ho_error= handle_options(argc, argv, my_long_options, get_one_option)))
return(ho_error);
+ /*
+ Dumping under --system=stats with --replace or --inser-ignore is safe and will not
+ retult into race condition. Otherwise dump only structure and ignore data by default
+ while dumping.
+ */
+ if (!(opt_system & OPT_SYSTEM_STATS) && !(opt_ignore || opt_replace_into))
+ {
+ if (my_hash_insert(&ignore_data,
+ (uchar*) my_strdup(PSI_NOT_INSTRUMENTED,
+ "mysql.innodb_index_stats", MYF(MY_WME))) ||
+ my_hash_insert(&ignore_data,
+ (uchar*) my_strdup(PSI_NOT_INSTRUMENTED,
+ "mysql.innodb_table_stats", MYF(MY_WME))))
+ return(EX_EOM);
+ }
+
if (opt_system & OPT_SYSTEM_ALL)
opt_system|= ~0;
@@ -3932,14 +3958,6 @@ static void dump_table(const char *table, const char *db, const uchar *hash_key,
DBUG_ENTER("dump_table");
/*
- Check does table has a sequence structure and if has apply different sql queries
- */
- if (check_if_ignore_table(table, table_type) & IGNORE_SEQUENCE_TABLE)
- {
- get_sequence_structure(table, db);
- DBUG_VOID_RETURN;
- }
- /*
Make sure you get the create table info before the following check for
--no-data flag below. Otherwise, the create table info won't be printed.
*/
@@ -4440,18 +4458,36 @@ err:
} /* dump_table */
-static char *getTableName(int reset)
+static char *getTableName(int reset, int want_sequences)
{
MYSQL_ROW row;
if (!get_table_name_result)
{
- if (!(get_table_name_result= mysql_list_tables(mysql,NullS)))
- return(NULL);
+ if (mysql_get_server_version(mysql) >= FIRST_SEQUENCE_VERSION)
+ {
+ const char *query= "SHOW FULL TABLES";
+ if (mysql_query_with_error_report(mysql, 0, query))
+ return (NULL);
+
+ if (!(get_table_name_result= mysql_store_result(mysql)))
+ return (NULL);
+ }
+ else
+ {
+ if (!(get_table_name_result= mysql_list_tables(mysql,NullS)))
+ return(NULL);
+ }
}
if ((row= mysql_fetch_row(get_table_name_result)))
- return((char*) row[0]);
+ {
+ if (want_sequences != DUMP_TABLE_ALL)
+ while (row && MY_TEST(strcmp(row[1], "SEQUENCE")) == want_sequences)
+ row= mysql_fetch_row(get_table_name_result);
+ if (row)
+ return((char*) row[0]);
+ }
if (reset)
mysql_data_seek(get_table_name_result,0); /* We want to read again */
else
@@ -4844,7 +4880,7 @@ static int dump_all_servers()
static int dump_all_stats()
{
- my_bool prev_no_create_info;
+ my_bool prev_no_create_info, prev_opt_replace_into;
if (mysql_select_db(mysql, "mysql"))
{
@@ -4852,6 +4888,8 @@ static int dump_all_stats()
return 1; /* If --force */
}
fprintf(md_result_file,"\nUSE mysql;\n");
+ prev_opt_replace_into= opt_replace_into;
+ opt_replace_into|= !opt_ignore;
prev_no_create_info= opt_no_create_info;
opt_no_create_info= 1; /* don't overwrite recreate tables */
/* EITS added in 10.0.1 */
@@ -4870,6 +4908,7 @@ static int dump_all_stats()
dump_table("innodb_table_stats", "mysql", NULL, 0);
}
opt_no_create_info= prev_no_create_info;
+ opt_replace_into= prev_opt_replace_into;
return 0;
}
@@ -4880,12 +4919,14 @@ static int dump_all_stats()
static int dump_all_timezones()
{
- my_bool opt_prev_no_create_info;
+ my_bool opt_prev_no_create_info, opt_prev_replace_into;
if (mysql_select_db(mysql, "mysql"))
{
DB_error(mysql, "when selecting the database");
return 1; /* If --force */
}
+ opt_prev_replace_into= opt_replace_into;
+ opt_replace_into|= !opt_ignore;
opt_prev_no_create_info= opt_no_create_info;
opt_no_create_info= 1;
fprintf(md_result_file,"\nUSE mysql;\n");
@@ -4895,6 +4936,7 @@ static int dump_all_timezones()
dump_table("time_zone_transition", "mysql", NULL, 0);
dump_table("time_zone_transition_type", "mysql", NULL, 0);
opt_no_create_info= opt_prev_no_create_info;
+ opt_replace_into= opt_prev_replace_into;
return 0;
}
@@ -5384,7 +5426,7 @@ static int dump_all_tables_in_db(char *database)
{
DYNAMIC_STRING query;
init_dynamic_string_checked(&query, "LOCK TABLES ", 256, 1024);
- for (numrows= 0 ; (table= getTableName(1)) ; )
+ for (numrows= 0 ; (table= getTableName(1, DUMP_TABLE_ALL)) ; )
{
char *end= strmov(afterdot, table);
if (include_table((uchar*) hash_key,end - hash_key))
@@ -5418,7 +5460,19 @@ static int dump_all_tables_in_db(char *database)
DBUG_RETURN(1);
}
}
- while ((table= getTableName(0)))
+
+ if (mysql_get_server_version(mysql) >= FIRST_SEQUENCE_VERSION &&
+ !opt_no_create_info)
+ {
+ // First process sequences
+ while ((table= getTableName(1, DUMP_TABLE_SEQUENCE)))
+ {
+ char *end= strmov(afterdot, table);
+ if (include_table((uchar*) hash_key, end - hash_key))
+ get_sequence_structure(table, database);
+ }
+ }
+ while ((table= getTableName(0, DUMP_TABLE_TABLE)))
{
char *end= strmov(afterdot, table);
if (include_table((uchar*) hash_key, end - hash_key))
@@ -5567,7 +5621,7 @@ static my_bool dump_all_views_in_db(char *database)
{
DYNAMIC_STRING query;
init_dynamic_string_checked(&query, "LOCK TABLES ", 256, 1024);
- for (numrows= 0 ; (table= getTableName(1)); )
+ for (numrows= 0 ; (table= getTableName(1, DUMP_TABLE_TABLE)); )
{
char *end= strmov(afterdot, table);
if (include_table((uchar*) hash_key,end - hash_key))
@@ -5590,7 +5644,7 @@ static my_bool dump_all_views_in_db(char *database)
else
verbose_msg("-- dump_all_views_in_db : logs flushed successfully!\n");
}
- while ((table= getTableName(0)))
+ while ((table= getTableName(0, DUMP_TABLE_TABLE)))
{
char *end= strmov(afterdot, table);
if (include_table((uchar*) hash_key, end - hash_key))
@@ -5720,7 +5774,7 @@ static int get_sys_var_lower_case_table_names()
static int dump_selected_tables(char *db, char **table_names, int tables)
{
- char table_buff[NAME_LEN*2+3];
+ char table_buff[NAME_LEN*2+3], table_type[NAME_LEN];
DYNAMIC_STRING lock_tables_query;
char **dump_tables, **pos, **end;
int lower_case_table_names;
@@ -5817,9 +5871,22 @@ static int dump_selected_tables(char *db, char **table_names, int tables)
DBUG_RETURN(1);
}
}
+
+ if (mysql_get_server_version(mysql) >= FIRST_SEQUENCE_VERSION)
+ {
+ /* Dump Sequence first */
+ for (pos= dump_tables; pos < end; pos++)
+ {
+ DBUG_PRINT("info",("Dumping sequence(?) %s", *pos));
+ if (check_if_ignore_table(*pos, table_type) & IGNORE_SEQUENCE_TABLE)
+ get_sequence_structure(*pos, db);
+ }
+ }
/* Dump each selected table */
for (pos= dump_tables; pos < end; pos++)
{
+ if (check_if_ignore_table(*pos, table_type) & IGNORE_SEQUENCE_TABLE)
+ continue;
DBUG_PRINT("info",("Dumping table %s", *pos));
dump_table(*pos, db, NULL, 0);
if (opt_dump_triggers &&
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