/* Copyright (c) 2000, 2019, Oracle and/or its affiliates.
Copyright ( c ) 2010 , 2024 , MariaDB Corporation .
This program is free software ; you can redistribute it and / or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation ; version 2 of the License .
This program is distributed in the hope that it will be useful ,
but WITHOUT ANY WARRANTY ; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the
GNU General Public License for more details .
You should have received a copy of the GNU General Public License
along with this program ; if not , write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */
#ifndef LEX_IDENT_SYS
#define LEX_IDENT_SYS
#include "lex_ident_cli.h"
#include "sql_alloc.h"
#include "char_buffer.h"
extern "C" MYSQL_PLUGIN_IMPORT CHARSET_INFO *system_charset_info;
struct Lex_ident_sys_st: public LEX_CSTRING, Sql_alloc
{
public :
bool copy_ident_cli(const THD *thd, const Lex_ident_cli_st *str);
bool copy_keyword(const THD *thd, const Lex_ident_cli_st *str);
bool copy_sys(const THD *thd, const LEX_CSTRING *str);
bool convert(const THD *thd, const LEX_CSTRING *str, CHARSET_INFO *cs);
bool copy_or_convert(const THD *thd, const Lex_ident_cli_st *str,
CHARSET_INFO *cs);
bool is_null() const { return str == NULL; }
bool to_size_number(ulonglong *to) const ;
void set_valid_utf8(const LEX_CSTRING *name)
{
DBUG_ASSERT(Well_formed_prefix(system_charset_info, name->str,
name->length).length() == name->length);
str= name->str ; length= name->length;
}
};
class Lex_ident_sys: public Lex_ident_sys_st
{
public :
Lex_ident_sys(const THD *thd, const Lex_ident_cli_st *str)
{
if (copy_ident_cli(thd, str))
*this = Lex_ident_sys();
}
Lex_ident_sys()
{
((LEX_CSTRING &) *this )= {nullptr, 0 };
}
Lex_ident_sys(const char *name, size_t length)
{
LEX_CSTRING tmp= {name, length};
set_valid_utf8(&tmp);
}
explicit Lex_ident_sys(const LEX_CSTRING &str)
{
set_valid_utf8(&str);
}
Lex_ident_sys & operator =(const Lex_ident_sys_st &name)
{
Lex_ident_sys_st::operator =(name);
return *this ;
}
};
/*
A buffer to print a qualified data type .
It does not derive from ErrConv because it does not need lazy calculation yet .
Also it ' s size is defined according to the error message in errmsg - utf8 . txt :
" Unknown data type : ' % - . 384 s ' " in errmsg - utf8 . txt
*/
#define DATA_TYPE_FORMAT_LENGTH 384
class QTypeErrBuffer: public CharBuffer<DATA_TYPE_FORMAT_LENGTH>
{
public :
QTypeErrBuffer(const Lex_ident_sys_st &db, const Lex_ident_sys_st &package,
const Lex_ident_sys_st &type)
{
DBUG_ASSERT(db.str);
DBUG_ASSERT(package.str);
DBUG_ASSERT(type.str);
my_snprintf(m_buff, sizeof (m_buff), "%.*sQ.%.*sQ.%.*sQ" ,
(int ) db.length, db.str,
(int ) package.length, package.str,
(int ) type.length, type.str);
}
QTypeErrBuffer(const Lex_ident_sys_st &package, const Lex_ident_sys_st &type)
{
DBUG_ASSERT(package.str);
DBUG_ASSERT(type.str);
my_snprintf(m_buff, sizeof (m_buff), "%.*sQ.%.*sQ" ,
(int ) package.length, package.str,
(int ) type.length, type.str);
}
};
#endif // LEX_IDENT_SYS
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