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authorSergei Golubchik <serg@mariadb.org>2014-09-03 20:05:51 +0200
committerSergei Golubchik <serg@mariadb.org>2014-10-10 22:27:42 +0200
commita7b2c95a40101f218d6ed608e8703c2ff761ea47 (patch)
tree7963fc33deb93aa05fe504d3121eea4260c1a639 /sql/set_var.cc
parentb969a690217f2364cd6c8b55315360223fe1f00b (diff)
downloadmariadb-git-a7b2c95a40101f218d6ed608e8703c2ff761ea47.tar.gz
bugs in sys_var::val_* code
1. @@boolean_var differs from SHOW VARIABLES 2. @@str_var ignored variable charset (which is wrong for path variables that use filesystem charset) 3. @@signed_int_var in the string context was printed as unsigned
Diffstat (limited to 'sql/set_var.cc')
-rw-r--r--sql/set_var.cc24
1 files changed, 16 insertions, 8 deletions
diff --git a/sql/set_var.cc b/sql/set_var.cc
index bc9d7638ca6..03378f2be73 100644
--- a/sql/set_var.cc
+++ b/sql/set_var.cc
@@ -274,9 +274,7 @@ do { \
case SHOW_UINT: do_num_val (uint,CMD); \
case SHOW_ULONG: do_num_val (ulong,CMD); \
case SHOW_ULONGLONG:do_num_val (ulonglong,CMD); \
- case SHOW_HA_ROWS: do_num_val (ha_rows,CMD); \
- case SHOW_BOOL: do_num_val (bool,CMD); \
- case SHOW_MY_BOOL: do_num_val (my_bool,CMD)
+ case SHOW_HA_ROWS: do_num_val (ha_rows,CMD);
#define case_for_double(CMD) \
case SHOW_DOUBLE: do_num_val (double,CMD)
@@ -307,6 +305,7 @@ longlong sys_var::val_int(bool *is_null,
case_get_string_as_lex_string;
case_for_integers(return val);
case_for_double(return (longlong) val);
+ case SHOW_MY_BOOL: return *(my_bool*)value;
default:
my_error(ER_VAR_CANT_BE_READ, MYF(0), name.str);
return 0;
@@ -314,7 +313,7 @@ longlong sys_var::val_int(bool *is_null,
longlong ret= 0;
if (!(*is_null= !sval.str))
- ret= longlong_from_string_with_check(system_charset_info,
+ ret= longlong_from_string_with_check(charset(thd),
sval.str, sval.str + sval.length);
return ret;
}
@@ -322,18 +321,27 @@ longlong sys_var::val_int(bool *is_null,
String *sys_var::val_str_nolock(String *str, THD *thd, const uchar *value)
{
+ static LEX_STRING bools[]=
+ {
+ { C_STRING_WITH_LEN("OFF") },
+ { C_STRING_WITH_LEN("ON") }
+ };
+
LEX_STRING sval;
switch (show_type())
{
case_get_string_as_lex_string;
- case_for_integers(return str->set((ulonglong)val, system_charset_info) ? 0 : str);
+ case_for_integers(return str->set(val, system_charset_info) ? 0 : str);
case_for_double(return str->set_real(val, 6, system_charset_info) ? 0 : str);
+ case SHOW_MY_BOOL:
+ sval= bools[(int)*(my_bool*)value];
+ break;
default:
my_error(ER_VAR_CANT_BE_READ, MYF(0), name.str);
return 0;
}
- if (!sval.str || str->copy(sval.str, sval.length, system_charset_info))
+ if (!sval.str || str->copy(sval.str, sval.length, charset(thd)))
str= NULL;
return str;
}
@@ -361,6 +369,7 @@ double sys_var::val_real(bool *is_null,
case_get_string_as_lex_string;
case_for_integers(return val);
case_for_double(return val);
+ case SHOW_MY_BOOL: return *(my_bool*)value;
default:
my_error(ER_VAR_CANT_BE_READ, MYF(0), name.str);
return 0;
@@ -368,9 +377,8 @@ double sys_var::val_real(bool *is_null,
double ret= 0;
if (!(*is_null= !sval.str))
- ret= double_from_string_with_check(system_charset_info,
+ ret= double_from_string_with_check(charset(thd),
sval.str, sval.str + sval.length);
- mysql_mutex_unlock(&LOCK_global_system_variables);
return ret;
}