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null.result, null.test:

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Fix for a bug #2219, regarding a bad cast to integer from NULL
item_func.h:
  Fix for a bug #2219, regarding a bad cast to integer from NULL
sql_parse.cc:
  A fix for a bug #2207, with mysql server haning on option setting


sql/sql_parse.cc:
  A fix for a bug #2207, with mysql server haning on option setting
sql/item_func.h:
  Fix for a bug #2219, regarding a bad cast to integer from NULL
mysql-test/t/null.test:
   Fix for a bug #2219, regarding a bad cast to integer from NULL
mysql-test/r/null.result:
   Fix for a bug #2219, regarding a bad cast to integer from NULL
This commit is contained in:
unknown
2004-01-09 22:28:29 +02:00
parent 229cc61277
commit d84ee4d503
4 changed files with 10 additions and 4 deletions
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3
mysql-test/r/null.result
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@@ -153,3 +153,6 @@ explain select * from t1 where a between 2 and 3 or b is null;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range idx idx 4 NULL 2 Using where
drop table t1;
select cast(NULL as signed);
cast(NULL as signed)
NULL

1
mysql-test/t/null.test
View File

@@ -97,3 +97,4 @@ insert into t1 values
explain select * from t1 where a between 2 and 3;
explain select * from t1 where a between 2 and 3 or b is null;
drop table t1;
select cast(NULL as signed);

8
sql/item_func.h
View File

@@ -212,8 +212,8 @@ class Item_func_signed :public Item_int_func
{
public:
Item_func_signed(Item *a) :Item_int_func(a) {}
double val() { return args[0]->val(); }
longlong val_int() { return args[0]->val_int(); }
double val() { null_value=args[0]->null_value; return args[0]->val(); }
longlong val_int() { null_value=args[0]->null_value; return args[0]->val_int(); }
void fix_length_and_dec()
{ max_length=args[0]->max_length; unsigned_flag=0; }
void print(String *str);
@@ -224,8 +224,8 @@ class Item_func_unsigned :public Item_int_func
{
public:
Item_func_unsigned(Item *a) :Item_int_func(a) {}
double val() { return args[0]->val(); }
longlong val_int() { return args[0]->val_int(); }
double val() { null_value=args[0]->null_value; return args[0]->val(); }
longlong val_int() { null_value=args[0]->null_value; return args[0]->val_int(); }
void fix_length_and_dec()
{ max_length=args[0]->max_length; unsigned_flag=1; }
void print(String *str);

2
sql/sql_parse.cc
View File

@@ -1624,9 +1624,11 @@ bool dispatch_command(enum enum_server_command command, THD *thd,
switch (command) {
case MYSQL_OPTION_MULTI_STATEMENTS_ON:
thd->client_capabilities|= CLIENT_MULTI_STATEMENTS;
send_eof(thd);
break;
case MYSQL_OPTION_MULTI_STATEMENTS_OFF:
thd->client_capabilities&= ~CLIENT_MULTI_STATEMENTS;
send_eof(thd);
break;
default:
send_error(thd, ER_UNKNOWN_COM_ERROR);