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MDEV-6128:[PATCH] mysqlcheck wrongly escapes '.' in table names

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Backport from mysql 5.7. The patch reviewed, test added.
This commit is contained in:
unknown 2015-01-28 11:49:55 +01:00
parent cb9c116a50
commit 9033aa02dc
3 changed files with 42 additions and 17 deletions
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34
client/mysqlcheck.c
View file

@ -514,9 +514,6 @@ static uint fixed_name_length(const char *name)
{
if (*p == '`')
extra_length++;
else if (*p == '.')
extra_length+= 2;
}
DBUG_RETURN((uint) ((p - name) + extra_length));
}
@ -530,11 +527,6 @@ static char *fix_table_name(char *dest, char *src)
for (; *src; src++)
{
switch (*src) {
case '.': /* add backticks around '.' */
*dest++= '`';
*dest++= '.';
*dest++= '`';
break;
case '`': /* escape backtick character */
*dest++= '`';
/* fall through */
@ -818,13 +810,17 @@ static void print_result()
{
MYSQL_RES *res;
MYSQL_ROW row;
char prev[(NAME_LEN+9)*2+2];
char prev[(NAME_LEN+9)*3+2];
char prev_alter[MAX_ALTER_STR_SIZE];
char *db_name;
uint length_of_db;
uint i;
my_bool found_error=0, table_rebuild=0;
DBUG_ENTER("print_result");
res = mysql_use_result(sock);
db_name= sock->db;
length_of_db= strlen(db_name);
prev[0] = '\0';
prev_alter[0]= 0;
@ -848,10 +844,16 @@ static void print_result()
if (prev_alter[0])
insert_dynamic(&alter_table_cmds, (uchar*) prev_alter);
else
insert_dynamic(&tables4rebuild, (uchar*) prev);
{
char *table_name= prev + (length_of_db+1);
insert_dynamic(&tables4rebuild, (uchar*) table_name);
}
}
else
insert_dynamic(&tables4repair, (uchar*) prev);
{
char *table_name= prev + (length_of_db+1);
insert_dynamic(&tables4repair, (uchar*) table_name);
}
}
found_error=0;
table_rebuild=0;
@ -911,10 +913,16 @@ static void print_result()
if (prev_alter[0])
insert_dynamic(&alter_table_cmds, (uchar*) prev_alter);
else
insert_dynamic(&tables4rebuild, (uchar*) prev);
{
char *table_name= prev + (length_of_db+1);
insert_dynamic(&tables4rebuild, (uchar*) table_name);
}
}
else
insert_dynamic(&tables4repair, (uchar*) prev);
{
char *table_name= prev + (length_of_db+1);
insert_dynamic(&tables4repair, (uchar*) table_name);
}
}
mysql_free_result(res);
DBUG_VOID_RETURN;

11
mysql-test/r/mysqlcheck.result
View file

@ -1,5 +1,5 @@
DROP TABLE IF EXISTS t1, `t``1`, `t 1`;
drop view if exists v1;
DROP TABLE IF EXISTS t1, `t``1`, `t 1`, test.`t.1`, v1;
drop view if exists t1, `t``1`, `t 1`, test.`t.1`, v1;
drop database if exists client_test_db;
mtr.global_suppressions OK
mtr.test_suppressions OK
@ -309,3 +309,10 @@ CHECK TABLE bug47205 FOR UPGRADE;
Table Op Msg_type Msg_text
test.bug47205 check status OK
DROP TABLE bug47205;
#
#MDEV-6128:[PATCH] mysqlcheck wrongly escapes '.' in table names
#
CREATE TABLE test.`t.1` (id int);
mysqlcheck test t.1
test.t.1 OK
drop table test.`t.1`;

14
mysql-test/t/mysqlcheck.test
View file

@ -13,8 +13,8 @@
#
--disable_warnings
DROP TABLE IF EXISTS t1, `t``1`, `t 1`;
drop view if exists v1;
DROP TABLE IF EXISTS t1, `t``1`, `t 1`, test.`t.1`, v1;
drop view if exists t1, `t``1`, `t 1`, test.`t.1`, v1;
drop database if exists client_test_db;
# Repair any tables in mysql, sometimes the slow_log is marked as crashed
# after server has been killed
@ -313,3 +313,13 @@ CHECK TABLE bug47205 FOR UPGRADE;
CHECK TABLE bug47205 FOR UPGRADE;
DROP TABLE bug47205;
--echo #
--echo #MDEV-6128:[PATCH] mysqlcheck wrongly escapes '.' in table names
--echo #
CREATE TABLE test.`t.1` (id int);
--echo mysqlcheck test t.1
--exec $MYSQL_CHECK test t.1
drop table test.`t.1`;