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-rw-r--r--sql/item.cc58
1 files changed, 22 insertions, 36 deletions
diff --git a/sql/item.cc b/sql/item.cc
index 90a652e92c7..3bd489dbb3f 100644
--- a/sql/item.cc
+++ b/sql/item.cc
@@ -1,5 +1,5 @@
/*
- Copyright (c) 2000, 2012, Oracle and/or its affiliates.
+ Copyright (c) 2000, 2013, Oracle and/or its affiliates.
Copyright (c) 2010, 2013, Monty Program Ab
This program is free software; you can redistribute it and/or modify
@@ -513,7 +513,7 @@ Item::Item(THD *thd, Item *item):
with_field(item->with_field),
fixed(item->fixed),
is_autogenerated_name(item->is_autogenerated_name),
- with_subselect(item->with_subselect),
+ with_subselect(item->has_subquery()),
collation(item->collation),
cmp_context(item->cmp_context)
{
@@ -4418,7 +4418,7 @@ static Item** find_field_in_group_list(Item *find_item, ORDER *group_list)
if (db_name && lower_case_table_names)
{
/* Convert database to lower case for comparison */
- strmake(name_buff, db_name, sizeof(name_buff)-1);
+ strmake_buf(name_buff, db_name);
my_casedn_str(files_charset_info, name_buff);
db_name= name_buff;
}
@@ -6130,17 +6130,8 @@ inline uint char_val(char X)
X-'a'+10);
}
-Item_hex_string::Item_hex_string()
-{
- hex_string_init("", 0);
-}
-
-Item_hex_string::Item_hex_string(const char *str, uint str_length)
-{
- hex_string_init(str, str_length);
-}
-void Item_hex_string::hex_string_init(const char *str, uint str_length)
+void Item_hex_constant::hex_string_init(const char *str, uint str_length)
{
max_length=(str_length+1)/2;
char *ptr=(char*) sql_alloc(max_length+1);
@@ -6164,7 +6155,7 @@ void Item_hex_string::hex_string_init(const char *str, uint str_length)
unsigned_flag= 1;
}
-longlong Item_hex_string::val_int()
+longlong Item_hex_hybrid::val_int()
{
// following assert is redundant, because fixed=1 assigned in constructor
DBUG_ASSERT(fixed == 1);
@@ -6178,17 +6169,7 @@ longlong Item_hex_string::val_int()
}
-my_decimal *Item_hex_string::val_decimal(my_decimal *decimal_value)
-{
- // following assert is redundant, because fixed=1 assigned in constructor
- DBUG_ASSERT(fixed == 1);
- ulonglong value= (ulonglong)val_int();
- int2my_decimal(E_DEC_FATAL_ERROR, value, TRUE, decimal_value);
- return (decimal_value);
-}
-
-
-int Item_hex_string::save_in_field(Field *field, bool no_conversions)
+int Item_hex_hybrid::save_in_field(Field *field, bool no_conversions)
{
field->set_notnull();
if (field->result_type() == STRING_RESULT)
@@ -6221,22 +6202,27 @@ warn:
}
-void Item_hex_string::print(String *str, enum_query_type query_type)
+void Item_hex_hybrid::print(String *str, enum_query_type query_type)
{
- char *end= (char*) str_value.ptr() + str_value.length(),
- *ptr= end - min(str_value.length(), sizeof(longlong));
+ uint32 len= min(str_value.length(), sizeof(longlong));
+ const char *ptr= str_value.ptr() + str_value.length() - len;
str->append("0x");
- for (; ptr != end ; ptr++)
- {
- str->append(_dig_vec_lower[((uchar) *ptr) >> 4]);
- str->append(_dig_vec_lower[((uchar) *ptr) & 0x0F]);
- }
+ str->append_hex(ptr, len);
}
-bool Item_hex_string::eq(const Item *arg, bool binary_cmp) const
+void Item_hex_string::print(String *str, enum_query_type query_type)
{
- if (arg->basic_const_item() && arg->type() == type())
+ str->append("X'");
+ str->append_hex(str_value.ptr(), str_value.length());
+ str->append("'");
+}
+
+
+bool Item_hex_constant::eq(const Item *arg, bool binary_cmp) const
+{
+ if (arg->basic_const_item() && arg->type() == type() &&
+ arg->cast_to_int_type() == cast_to_int_type())
{
if (binary_cmp)
return !stringcmp(&str_value, &arg->str_value);
@@ -6246,7 +6232,7 @@ bool Item_hex_string::eq(const Item *arg, bool binary_cmp) const
}
-Item *Item_hex_string::safe_charset_converter(CHARSET_INFO *tocs)
+Item *Item_hex_constant::safe_charset_converter(CHARSET_INFO *tocs)
{
Item_string *conv;
String tmp, *str= val_str(&tmp);