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Commit 9f8593e8 authored by anozdrin/alik@ibm's avatar anozdrin/alik@ibm
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Patch inspired by BUG#10491: Server returns data as charset 

binary SHOW CREATE TABLE or SELECT FROM I_S.

The problem is that mysqldump generates incorrect dump for a table
with non-ASCII column name if the mysqldump's character set is
ASCII.

The fix is to:
  1. Switch character_set_client for the mysqldump's connection
  to binary before issuing SHOW CREATE TABLE statement in order
  to avoid conversion.
  
  2. Dump switch character_set_client statements to UTF8 and back
  for CREATE TABLE statement.
parent 20e7e987
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Showing with 329 additions and 3 deletions
client/mysqldump.c
View file @ 9f8593e8
...@@ -992,6 +992,21 @@ static int mysql_query_with_error_report(MYSQL *mysql_con, MYSQL_RES **res, ...@@ -992,6 +992,21 @@ static int mysql_query_with_error_report(MYSQL *mysql_con, MYSQL_RES **res,
return 0; return 0;
} }
static int switch_character_set_results(MYSQL *mysql, const char *cs_name)
{
char query_buffer[QUERY_LENGTH];
size_t query_length;
query_length= my_snprintf(query_buffer,
sizeof (query_buffer),
"SET SESSION character_set_results = '%s'",
(const char *) cs_name);
return mysql_real_query(mysql, query_buffer, query_length);
}
/* /*
Open a new .sql file to dump the table or view into Open a new .sql file to dump the table or view into
...@@ -1671,7 +1686,10 @@ static uint get_table_structure(char *table, char *db, char *table_type, ...@@ -1671,7 +1686,10 @@ static uint get_table_structure(char *table, char *db, char *table_type,
MYSQL_FIELD *field; MYSQL_FIELD *field;
my_snprintf(buff, sizeof(buff), "show create table %s", result_table); my_snprintf(buff, sizeof(buff), "show create table %s", result_table);
if (mysql_query_with_error_report(mysql, 0, buff))
if (switch_character_set_results(mysql, "binary") ||
mysql_query_with_error_report(mysql, &result, buff) ||
switch_character_set_results(mysql, default_charset))
DBUG_RETURN(0); DBUG_RETURN(0);
if (path) if (path)
...@@ -1702,7 +1720,6 @@ static uint get_table_structure(char *table, char *db, char *table_type, ...@@ -1702,7 +1720,6 @@ static uint get_table_structure(char *table, char *db, char *table_type,
check_io(sql_file); check_io(sql_file);
} }
result= mysql_store_result(mysql);
field= mysql_fetch_field_direct(result, 0); field= mysql_fetch_field_direct(result, 0);
if (strcmp(field->name, "View") == 0) if (strcmp(field->name, "View") == 0)
{ {
...@@ -1794,7 +1811,14 @@ static uint get_table_structure(char *table, char *db, char *table_type, ...@@ -1794,7 +1811,14 @@ static uint get_table_structure(char *table, char *db, char *table_type,
} }
row= mysql_fetch_row(result); row= mysql_fetch_row(result);
fprintf(sql_file, "%s;\n", row[1]);
fprintf(sql_file,
"SET @saved_cs_client = @@character_set_client;\n"
"SET character_set_client = utf8;\n"
"%s;\n"
"SET character_set_client = @saved_cs_client;\n",
row[1]);
check_io(sql_file); check_io(sql_file);
mysql_free_result(result); mysql_free_result(result);
} }
......
mysql-test/r/mysqldump-max.result
View file @ 9f8593e8
...@@ -93,55 +93,73 @@ CREATE DATABASE /*!32312 IF NOT EXISTS*/ `test` /*!40100 DEFAULT CHARACTER SET l ...@@ -93,55 +93,73 @@ CREATE DATABASE /*!32312 IF NOT EXISTS*/ `test` /*!40100 DEFAULT CHARACTER SET l
USE `test`; USE `test`;
DROP TABLE IF EXISTS `t1`; DROP TABLE IF EXISTS `t1`;
SET @saved_cs_client = @@character_set_client;
SET character_set_client = utf8;
CREATE TABLE `t1` ( CREATE TABLE `t1` (
`id` int(8) default NULL, `id` int(8) default NULL,
`name` varchar(32) default NULL `name` varchar(32) default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1; ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
SET character_set_client = @saved_cs_client;
/*!40000 ALTER TABLE `t1` DISABLE KEYS */; /*!40000 ALTER TABLE `t1` DISABLE KEYS */;
INSERT DELAYED IGNORE INTO `t1` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value'); INSERT DELAYED IGNORE INTO `t1` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value');
/*!40000 ALTER TABLE `t1` ENABLE KEYS */; /*!40000 ALTER TABLE `t1` ENABLE KEYS */;
DROP TABLE IF EXISTS `t2`; DROP TABLE IF EXISTS `t2`;
SET @saved_cs_client = @@character_set_client;
SET character_set_client = utf8;
CREATE TABLE `t2` ( CREATE TABLE `t2` (
`id` int(8) default NULL, `id` int(8) default NULL,
`name` varchar(32) default NULL `name` varchar(32) default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1; ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
SET character_set_client = @saved_cs_client;
/*!40000 ALTER TABLE `t2` DISABLE KEYS */; /*!40000 ALTER TABLE `t2` DISABLE KEYS */;
INSERT DELAYED IGNORE INTO `t2` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value'); INSERT DELAYED IGNORE INTO `t2` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value');
/*!40000 ALTER TABLE `t2` ENABLE KEYS */; /*!40000 ALTER TABLE `t2` ENABLE KEYS */;
DROP TABLE IF EXISTS `t3`; DROP TABLE IF EXISTS `t3`;
SET @saved_cs_client = @@character_set_client;
SET character_set_client = utf8;
CREATE TABLE `t3` ( CREATE TABLE `t3` (
`id` int(8) default NULL, `id` int(8) default NULL,
`name` varchar(32) default NULL `name` varchar(32) default NULL
) ENGINE=MEMORY DEFAULT CHARSET=latin1; ) ENGINE=MEMORY DEFAULT CHARSET=latin1;
SET character_set_client = @saved_cs_client;
/*!40000 ALTER TABLE `t3` DISABLE KEYS */; /*!40000 ALTER TABLE `t3` DISABLE KEYS */;
INSERT DELAYED IGNORE INTO `t3` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value'); INSERT DELAYED IGNORE INTO `t3` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value');
/*!40000 ALTER TABLE `t3` ENABLE KEYS */; /*!40000 ALTER TABLE `t3` ENABLE KEYS */;
DROP TABLE IF EXISTS `t4`; DROP TABLE IF EXISTS `t4`;
SET @saved_cs_client = @@character_set_client;
SET character_set_client = utf8;
CREATE TABLE `t4` ( CREATE TABLE `t4` (
`id` int(8) default NULL, `id` int(8) default NULL,
`name` varchar(32) default NULL `name` varchar(32) default NULL
) ENGINE=MEMORY DEFAULT CHARSET=latin1; ) ENGINE=MEMORY DEFAULT CHARSET=latin1;
SET character_set_client = @saved_cs_client;
/*!40000 ALTER TABLE `t4` DISABLE KEYS */; /*!40000 ALTER TABLE `t4` DISABLE KEYS */;
INSERT DELAYED IGNORE INTO `t4` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value'); INSERT DELAYED IGNORE INTO `t4` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value');
/*!40000 ALTER TABLE `t4` ENABLE KEYS */; /*!40000 ALTER TABLE `t4` ENABLE KEYS */;
DROP TABLE IF EXISTS `t5`; DROP TABLE IF EXISTS `t5`;
SET @saved_cs_client = @@character_set_client;
SET character_set_client = utf8;
CREATE TABLE `t5` ( CREATE TABLE `t5` (
`id` int(8) default NULL, `id` int(8) default NULL,
`name` varchar(32) default NULL `name` varchar(32) default NULL
) ENGINE=ARCHIVE DEFAULT CHARSET=latin1; ) ENGINE=ARCHIVE DEFAULT CHARSET=latin1;
SET character_set_client = @saved_cs_client;
/*!40000 ALTER TABLE `t5` DISABLE KEYS */; /*!40000 ALTER TABLE `t5` DISABLE KEYS */;
INSERT DELAYED IGNORE INTO `t5` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value'); INSERT DELAYED IGNORE INTO `t5` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value');
/*!40000 ALTER TABLE `t5` ENABLE KEYS */; /*!40000 ALTER TABLE `t5` ENABLE KEYS */;
DROP TABLE IF EXISTS `t6`; DROP TABLE IF EXISTS `t6`;
SET @saved_cs_client = @@character_set_client;
SET character_set_client = utf8;
CREATE TABLE `t6` ( CREATE TABLE `t6` (
`id` int(8) default NULL, `id` int(8) default NULL,
`name` varchar(32) default NULL `name` varchar(32) default NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1; ) ENGINE=InnoDB DEFAULT CHARSET=latin1;
SET character_set_client = @saved_cs_client;
/*!40000 ALTER TABLE `t6` DISABLE KEYS */; /*!40000 ALTER TABLE `t6` DISABLE KEYS */;
INSERT IGNORE INTO `t6` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value'); INSERT IGNORE INTO `t6` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value');
...@@ -172,55 +190,73 @@ CREATE DATABASE /*!32312 IF NOT EXISTS*/ `test` /*!40100 DEFAULT CHARACTER SET l ...@@ -172,55 +190,73 @@ CREATE DATABASE /*!32312 IF NOT EXISTS*/ `test` /*!40100 DEFAULT CHARACTER SET l
USE `test`; USE `test`;
DROP TABLE IF EXISTS `t1`; DROP TABLE IF EXISTS `t1`;
SET @saved_cs_client = @@character_set_client;
SET character_set_client = utf8;
CREATE TABLE `t1` ( CREATE TABLE `t1` (
`id` int(8) default NULL, `id` int(8) default NULL,
`name` varchar(32) default NULL `name` varchar(32) default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1; ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
SET character_set_client = @saved_cs_client;
/*!40000 ALTER TABLE `t1` DISABLE KEYS */; /*!40000 ALTER TABLE `t1` DISABLE KEYS */;
INSERT DELAYED INTO `t1` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value'); INSERT DELAYED INTO `t1` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value');
/*!40000 ALTER TABLE `t1` ENABLE KEYS */; /*!40000 ALTER TABLE `t1` ENABLE KEYS */;
DROP TABLE IF EXISTS `t2`; DROP TABLE IF EXISTS `t2`;
SET @saved_cs_client = @@character_set_client;
SET character_set_client = utf8;
CREATE TABLE `t2` ( CREATE TABLE `t2` (
`id` int(8) default NULL, `id` int(8) default NULL,
`name` varchar(32) default NULL `name` varchar(32) default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1; ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
SET character_set_client = @saved_cs_client;
/*!40000 ALTER TABLE `t2` DISABLE KEYS */; /*!40000 ALTER TABLE `t2` DISABLE KEYS */;
INSERT DELAYED INTO `t2` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value'); INSERT DELAYED INTO `t2` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value');
/*!40000 ALTER TABLE `t2` ENABLE KEYS */; /*!40000 ALTER TABLE `t2` ENABLE KEYS */;
DROP TABLE IF EXISTS `t3`; DROP TABLE IF EXISTS `t3`;
SET @saved_cs_client = @@character_set_client;
SET character_set_client = utf8;
CREATE TABLE `t3` ( CREATE TABLE `t3` (
`id` int(8) default NULL, `id` int(8) default NULL,
`name` varchar(32) default NULL `name` varchar(32) default NULL
) ENGINE=MEMORY DEFAULT CHARSET=latin1; ) ENGINE=MEMORY DEFAULT CHARSET=latin1;
SET character_set_client = @saved_cs_client;
/*!40000 ALTER TABLE `t3` DISABLE KEYS */; /*!40000 ALTER TABLE `t3` DISABLE KEYS */;
INSERT DELAYED INTO `t3` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value'); INSERT DELAYED INTO `t3` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value');
/*!40000 ALTER TABLE `t3` ENABLE KEYS */; /*!40000 ALTER TABLE `t3` ENABLE KEYS */;
DROP TABLE IF EXISTS `t4`; DROP TABLE IF EXISTS `t4`;
SET @saved_cs_client = @@character_set_client;
SET character_set_client = utf8;
CREATE TABLE `t4` ( CREATE TABLE `t4` (
`id` int(8) default NULL, `id` int(8) default NULL,
`name` varchar(32) default NULL `name` varchar(32) default NULL
) ENGINE=MEMORY DEFAULT CHARSET=latin1; ) ENGINE=MEMORY DEFAULT CHARSET=latin1;
SET character_set_client = @saved_cs_client;
/*!40000 ALTER TABLE `t4` DISABLE KEYS */; /*!40000 ALTER TABLE `t4` DISABLE KEYS */;
INSERT DELAYED INTO `t4` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value'); INSERT DELAYED INTO `t4` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value');
/*!40000 ALTER TABLE `t4` ENABLE KEYS */; /*!40000 ALTER TABLE `t4` ENABLE KEYS */;
DROP TABLE IF EXISTS `t5`; DROP TABLE IF EXISTS `t5`;
SET @saved_cs_client = @@character_set_client;
SET character_set_client = utf8;
CREATE TABLE `t5` ( CREATE TABLE `t5` (
`id` int(8) default NULL, `id` int(8) default NULL,
`name` varchar(32) default NULL `name` varchar(32) default NULL
) ENGINE=ARCHIVE DEFAULT CHARSET=latin1; ) ENGINE=ARCHIVE DEFAULT CHARSET=latin1;
SET character_set_client = @saved_cs_client;
/*!40000 ALTER TABLE `t5` DISABLE KEYS */; /*!40000 ALTER TABLE `t5` DISABLE KEYS */;
INSERT DELAYED INTO `t5` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value'); INSERT DELAYED INTO `t5` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value');
/*!40000 ALTER TABLE `t5` ENABLE KEYS */; /*!40000 ALTER TABLE `t5` ENABLE KEYS */;
DROP TABLE IF EXISTS `t6`; DROP TABLE IF EXISTS `t6`;
SET @saved_cs_client = @@character_set_client;
SET character_set_client = utf8;
CREATE TABLE `t6` ( CREATE TABLE `t6` (
`id` int(8) default NULL, `id` int(8) default NULL,
`name` varchar(32) default NULL `name` varchar(32) default NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1; ) ENGINE=InnoDB DEFAULT CHARSET=latin1;
SET character_set_client = @saved_cs_client;
/*!40000 ALTER TABLE `t6` DISABLE KEYS */; /*!40000 ALTER TABLE `t6` DISABLE KEYS */;
INSERT INTO `t6` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value'); INSERT INTO `t6` VALUES (1,'first value'),(2,'first value'),(3,'first value'),(4,'first value'),(5,'first value');
......
mysql-test/r/mysqldump.result
View file @ 9f8593e8
This diff is collapsed.
mysql-test/r/openssl_1.result
View file @ 9f8593e8
...@@ -77,9 +77,12 @@ INSERT INTO t1 VALUES (1), (2); ...@@ -77,9 +77,12 @@ INSERT INTO t1 VALUES (1), (2);
/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */; /*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */; /*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
DROP TABLE IF EXISTS `t1`; DROP TABLE IF EXISTS `t1`;
SET @saved_cs_client = @@character_set_client;
SET character_set_client = utf8;
CREATE TABLE `t1` ( CREATE TABLE `t1` (
`a` int(11) default NULL `a` int(11) default NULL
); );
SET character_set_client = @saved_cs_client;
LOCK TABLES `t1` WRITE; LOCK TABLES `t1` WRITE;
/*!40000 ALTER TABLE `t1` DISABLE KEYS */; /*!40000 ALTER TABLE `t1` DISABLE KEYS */;
...@@ -108,9 +111,12 @@ UNLOCK TABLES; ...@@ -108,9 +111,12 @@ UNLOCK TABLES;
/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */; /*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */; /*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
DROP TABLE IF EXISTS `t1`; DROP TABLE IF EXISTS `t1`;
SET @saved_cs_client = @@character_set_client;
SET character_set_client = utf8;
CREATE TABLE `t1` ( CREATE TABLE `t1` (
`a` int(11) default NULL `a` int(11) default NULL
); );
SET character_set_client = @saved_cs_client;
LOCK TABLES `t1` WRITE; LOCK TABLES `t1` WRITE;
/*!40000 ALTER TABLE `t1` DISABLE KEYS */; /*!40000 ALTER TABLE `t1` DISABLE KEYS */;
...@@ -139,9 +145,12 @@ UNLOCK TABLES; ...@@ -139,9 +145,12 @@ UNLOCK TABLES;
/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */; /*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */; /*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
DROP TABLE IF EXISTS `t1`; DROP TABLE IF EXISTS `t1`;
SET @saved_cs_client = @@character_set_client;
SET character_set_client = utf8;
CREATE TABLE `t1` ( CREATE TABLE `t1` (
`a` int(11) default NULL `a` int(11) default NULL
); );
SET character_set_client = @saved_cs_client;
LOCK TABLES `t1` WRITE; LOCK TABLES `t1` WRITE;
/*!40000 ALTER TABLE `t1` DISABLE KEYS */; /*!40000 ALTER TABLE `t1` DISABLE KEYS */;
......
mysql-test/r/show_check.result
View file @ 9f8593e8
...@@ -1088,6 +1088,26 @@ DROP TABLE t1; ...@@ -1088,6 +1088,26 @@ DROP TABLE t1;
DROP VIEW v1; DROP VIEW v1;
DROP PROCEDURE p1; DROP PROCEDURE p1;
DROP FUNCTION f1; DROP FUNCTION f1;
set names koi8r;
DROP DATABASE IF EXISTS mysqltest1;
CREATE DATABASE mysqltest1;
use mysqltest1;
CREATE TABLE t1(1 INT);
---> Dumping mysqltest1 to show_check.mysqltest1.sql
DROP DATABASE mysqltest1;
---> Restoring mysqltest1...
SHOW CREATE TABLE mysqltest1.t1;
Table Create Table
t1 CREATE TABLE `t1` (
`1` int(11) default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP DATABASE mysqltest1;
use test;
flush status; flush status;
show variables like "log_queries_not_using_indexes"; show variables like "log_queries_not_using_indexes";
Variable_name Value Variable_name Value
......
mysql-test/t/show_check.test
View file @ 9f8593e8
...@@ -559,6 +559,10 @@ show status like 'slow_queries'; ...@@ -559,6 +559,10 @@ show status like 'slow_queries';
# FROM I_S. # FROM I_S.
# #
#
# Part 1: check that meta-data specifies not-binary character set.
#
# Ensure that all needed objects are dropped. # Ensure that all needed objects are dropped.
--disable_warnings --disable_warnings
...@@ -766,6 +770,59 @@ DROP VIEW v1; ...@@ -766,6 +770,59 @@ DROP VIEW v1;
DROP PROCEDURE p1; DROP PROCEDURE p1;
DROP FUNCTION f1; DROP FUNCTION f1;
#
# Part 2: check that table with non-latin1 characters are dumped/restored
# correctly.
#
# Ensure that all needed objects are dropped.
set names koi8r;
--disable_warnings
DROP DATABASE IF EXISTS mysqltest1;
--enable_warnings
# Create objects.
CREATE DATABASE mysqltest1;
use mysqltest1;
CREATE TABLE t1(1 INT);
# Check:
# - Dump mysqltest1;
--echo
--echo ---> Dumping mysqltest1 to show_check.mysqltest1.sql
--exec $MYSQL_DUMP --default-character-set=latin1 --character-sets-dir=$CHARSETSDIR --databases mysqltest1 > $MYSQLTEST_VARDIR/tmp/show_check.mysqltest1.sql
# - Clean mysqltest1;
--echo
--echo
DROP DATABASE mysqltest1;
# - Restore mysqltest1;
--echo
--echo
--echo ---> Restoring mysqltest1...
--exec $MYSQL test < $MYSQLTEST_VARDIR/tmp/show_check.mysqltest1.sql
# - Check definition of the table.
SHOW CREATE TABLE mysqltest1.t1;
# Cleanup.
DROP DATABASE mysqltest1;
use test;
# #
# Bug #28808: log_queries_not_using_indexes variable dynamic change is ignored # Bug #28808: log_queries_not_using_indexes variable dynamic change is ignored
# #
......
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