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/*
Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.
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 02110-1301 USA
*/
/**
@file
@brief
This file implements classes defined in field.h
*/
#include "sql_priv.h"
#include "sql_select.h"
#include "rpl_rli.h" // Pull in Relay_log_info
#include "rpl_slave.h" // Pull in rpl_master_has_bug()
#include "strfunc.h" // find_type2, find_set
#include "sql_time.h" // str_to_datetime_with_warn,
// str_to_time_with_warn,
// TIME_to_timestamp,
// make_time, make_date,
// make_truncated_value_warning
#include "tztime.h" // struct Time_zone
#include "filesort.h" // change_double_for_sort
#include "log_event.h" // class Table_map_log_event
#include <m_ctype.h>
#include <errno.h>
#include "sql_join_buffer.h" // CACHE_FIELD
using std::max;
using std::min;
// Maximum allowed exponent value for converting string to decimal
#define MAX_EXPONENT 1024
/**
Static variables
*/
uchar Field_null::null[1]={1};
const char field_separator=',';
#define DOUBLE_TO_STRING_CONVERSION_BUFFER_SIZE FLOATING_POINT_BUFFER
#define LONGLONG_TO_STRING_CONVERSION_BUFFER_SIZE 128
#define DECIMAL_TO_STRING_CONVERSION_BUFFER_SIZE 128
#define BLOB_PACK_LENGTH_TO_MAX_LENGH(arg) \
((ulong) ((LL(1) << MY_MIN(arg, 4) * 8) - LL(1)))
/*
Rules for merging different types of fields in UNION
NOTE: to avoid 256*256 table, gap in table types numeration is skiped
following #defines describe that gap and how to canculate number of fields
and index of field in thia array.
*/
#define FIELDTYPE_TEAR_FROM (MYSQL_TYPE_BIT + 1)
#define FIELDTYPE_TEAR_TO (MYSQL_TYPE_NEWDECIMAL - 1)
#define FIELDTYPE_NUM (FIELDTYPE_TEAR_FROM + (255 - FIELDTYPE_TEAR_TO))
inline int field_type2index (enum_field_types field_type)
{
field_type= real_type_to_type(field_type);
DBUG_ASSERT(field_type < FIELDTYPE_TEAR_FROM ||
field_type > FIELDTYPE_TEAR_TO);
return (field_type < FIELDTYPE_TEAR_FROM ?
field_type :
((int)FIELDTYPE_TEAR_FROM) + (field_type - FIELDTYPE_TEAR_TO) - 1);
}
static enum_field_types field_types_merge_rules [FIELDTYPE_NUM][FIELDTYPE_NUM]=
{
/* MYSQL_TYPE_DECIMAL -> */
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
MYSQL_TYPE_NEWDECIMAL, MYSQL_TYPE_NEWDECIMAL,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
MYSQL_TYPE_NEWDECIMAL, MYSQL_TYPE_NEWDECIMAL,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
MYSQL_TYPE_DOUBLE, MYSQL_TYPE_DOUBLE,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
MYSQL_TYPE_NEWDECIMAL, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
MYSQL_TYPE_DECIMAL, MYSQL_TYPE_DECIMAL,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_BIT <16>-<245>
MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
MYSQL_TYPE_NEWDECIMAL, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
MYSQL_TYPE_BLOB, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_STRING, MYSQL_TYPE_VARCHAR
},
/* MYSQL_TYPE_TINY -> */
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
MYSQL_TYPE_NEWDECIMAL, MYSQL_TYPE_TINY,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
MYSQL_TYPE_SHORT, MYSQL_TYPE_LONG,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
MYSQL_TYPE_FLOAT, MYSQL_TYPE_DOUBLE,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
MYSQL_TYPE_TINY, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
MYSQL_TYPE_LONGLONG, MYSQL_TYPE_INT24,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_TINY,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_BIT <16>-<245>
MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
MYSQL_TYPE_NEWDECIMAL, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
MYSQL_TYPE_BLOB, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_STRING, MYSQL_TYPE_VARCHAR
},
/* MYSQL_TYPE_SHORT -> */
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
MYSQL_TYPE_NEWDECIMAL, MYSQL_TYPE_SHORT,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
MYSQL_TYPE_SHORT, MYSQL_TYPE_LONG,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
MYSQL_TYPE_FLOAT, MYSQL_TYPE_DOUBLE,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
MYSQL_TYPE_SHORT, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
MYSQL_TYPE_LONGLONG, MYSQL_TYPE_INT24,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_SHORT,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_BIT <16>-<245>
MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
MYSQL_TYPE_NEWDECIMAL, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
MYSQL_TYPE_BLOB, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_STRING, MYSQL_TYPE_VARCHAR
},
/* MYSQL_TYPE_LONG -> */
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
MYSQL_TYPE_NEWDECIMAL, MYSQL_TYPE_LONG,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
MYSQL_TYPE_LONG, MYSQL_TYPE_LONG,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
MYSQL_TYPE_DOUBLE, MYSQL_TYPE_DOUBLE,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
MYSQL_TYPE_LONG, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
MYSQL_TYPE_LONGLONG, MYSQL_TYPE_LONG,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_LONG,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_BIT <16>-<245>
MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
MYSQL_TYPE_NEWDECIMAL, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
MYSQL_TYPE_BLOB, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_STRING, MYSQL_TYPE_VARCHAR
},
/* MYSQL_TYPE_FLOAT -> */
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
MYSQL_TYPE_DOUBLE, MYSQL_TYPE_FLOAT,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
MYSQL_TYPE_FLOAT, MYSQL_TYPE_DOUBLE,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
MYSQL_TYPE_FLOAT, MYSQL_TYPE_DOUBLE,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
MYSQL_TYPE_FLOAT, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
MYSQL_TYPE_FLOAT, MYSQL_TYPE_FLOAT,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_FLOAT,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_BIT <16>-<245>
MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
MYSQL_TYPE_DOUBLE, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
MYSQL_TYPE_BLOB, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_STRING, MYSQL_TYPE_VARCHAR
},
/* MYSQL_TYPE_DOUBLE -> */
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
MYSQL_TYPE_DOUBLE, MYSQL_TYPE_DOUBLE,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
MYSQL_TYPE_DOUBLE, MYSQL_TYPE_DOUBLE,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
MYSQL_TYPE_DOUBLE, MYSQL_TYPE_DOUBLE,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
MYSQL_TYPE_DOUBLE, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
MYSQL_TYPE_DOUBLE, MYSQL_TYPE_DOUBLE,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_DOUBLE,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_BIT <16>-<245>
MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
MYSQL_TYPE_DOUBLE, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
MYSQL_TYPE_BLOB, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_STRING, MYSQL_TYPE_VARCHAR
},
/* MYSQL_TYPE_NULL -> */
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
MYSQL_TYPE_NEWDECIMAL, MYSQL_TYPE_TINY,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
MYSQL_TYPE_SHORT, MYSQL_TYPE_LONG,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
MYSQL_TYPE_FLOAT, MYSQL_TYPE_DOUBLE,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
MYSQL_TYPE_NULL, MYSQL_TYPE_TIMESTAMP,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
MYSQL_TYPE_LONGLONG, MYSQL_TYPE_LONGLONG,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
MYSQL_TYPE_NEWDATE, MYSQL_TYPE_TIME,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
MYSQL_TYPE_DATETIME, MYSQL_TYPE_YEAR,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
MYSQL_TYPE_NEWDATE, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_BIT <16>-<245>
MYSQL_TYPE_BIT,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
MYSQL_TYPE_NEWDECIMAL, MYSQL_TYPE_ENUM,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
MYSQL_TYPE_SET, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
MYSQL_TYPE_BLOB, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_STRING, MYSQL_TYPE_GEOMETRY
},
/* MYSQL_TYPE_TIMESTAMP -> */
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
MYSQL_TYPE_TIMESTAMP, MYSQL_TYPE_TIMESTAMP,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
MYSQL_TYPE_DATETIME, MYSQL_TYPE_DATETIME,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
MYSQL_TYPE_DATETIME, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
MYSQL_TYPE_DATETIME, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_BIT <16>-<245>
MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
MYSQL_TYPE_BLOB, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_STRING, MYSQL_TYPE_VARCHAR
},
/* MYSQL_TYPE_LONGLONG -> */
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
MYSQL_TYPE_NEWDECIMAL, MYSQL_TYPE_LONGLONG,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
MYSQL_TYPE_LONGLONG, MYSQL_TYPE_LONGLONG,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
MYSQL_TYPE_DOUBLE, MYSQL_TYPE_DOUBLE,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
MYSQL_TYPE_LONGLONG, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
MYSQL_TYPE_LONGLONG, MYSQL_TYPE_LONG,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_LONGLONG,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
MYSQL_TYPE_NEWDATE, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_BIT <16>-<245>
MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
MYSQL_TYPE_NEWDECIMAL, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
MYSQL_TYPE_BLOB, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_STRING, MYSQL_TYPE_VARCHAR
},
/* MYSQL_TYPE_INT24 -> */
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
MYSQL_TYPE_NEWDECIMAL, MYSQL_TYPE_INT24,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
MYSQL_TYPE_INT24, MYSQL_TYPE_LONG,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
MYSQL_TYPE_FLOAT, MYSQL_TYPE_DOUBLE,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
MYSQL_TYPE_INT24, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
MYSQL_TYPE_LONGLONG, MYSQL_TYPE_INT24,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_INT24,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
MYSQL_TYPE_NEWDATE, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_BIT <16>-<245>
MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
MYSQL_TYPE_NEWDECIMAL, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
MYSQL_TYPE_BLOB, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_STRING, MYSQL_TYPE_VARCHAR
},
/* MYSQL_TYPE_DATE -> */
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
MYSQL_TYPE_NEWDATE, MYSQL_TYPE_DATETIME,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
MYSQL_TYPE_NEWDATE, MYSQL_TYPE_DATETIME,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
MYSQL_TYPE_DATETIME, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
MYSQL_TYPE_NEWDATE, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_BIT <16>-<245>
MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
MYSQL_TYPE_BLOB, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_STRING, MYSQL_TYPE_VARCHAR
},
/* MYSQL_TYPE_TIME -> */
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
MYSQL_TYPE_TIME, MYSQL_TYPE_DATETIME,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
MYSQL_TYPE_DATETIME, MYSQL_TYPE_TIME,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
MYSQL_TYPE_DATETIME, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
MYSQL_TYPE_NEWDATE, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_BIT <16>-<245>
MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
MYSQL_TYPE_BLOB, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_STRING, MYSQL_TYPE_VARCHAR
},
/* MYSQL_TYPE_DATETIME -> */
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
MYSQL_TYPE_DATETIME, MYSQL_TYPE_DATETIME,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
MYSQL_TYPE_DATETIME, MYSQL_TYPE_DATETIME,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
MYSQL_TYPE_DATETIME, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
MYSQL_TYPE_DATETIME, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_BIT <16>-<245>
MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
MYSQL_TYPE_BLOB, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_STRING, MYSQL_TYPE_VARCHAR
},
/* MYSQL_TYPE_YEAR -> */
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
MYSQL_TYPE_DECIMAL, MYSQL_TYPE_TINY,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
MYSQL_TYPE_SHORT, MYSQL_TYPE_LONG,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
MYSQL_TYPE_FLOAT, MYSQL_TYPE_DOUBLE,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
MYSQL_TYPE_YEAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
MYSQL_TYPE_LONGLONG, MYSQL_TYPE_INT24,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_YEAR,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_BIT <16>-<245>
MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
MYSQL_TYPE_NEWDECIMAL, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
MYSQL_TYPE_BLOB, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_STRING, MYSQL_TYPE_VARCHAR
},
/* MYSQL_TYPE_NEWDATE -> */
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
MYSQL_TYPE_NEWDATE, MYSQL_TYPE_DATETIME,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
MYSQL_TYPE_NEWDATE, MYSQL_TYPE_DATETIME,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
MYSQL_TYPE_DATETIME, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
MYSQL_TYPE_NEWDATE, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_BIT <16>-<245>
MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
MYSQL_TYPE_BLOB, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_STRING, MYSQL_TYPE_VARCHAR
},
/* MYSQL_TYPE_VARCHAR -> */
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_BIT <16>-<245>
MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
MYSQL_TYPE_BLOB, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR
},
/* MYSQL_TYPE_BIT -> */
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
MYSQL_TYPE_BIT, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_BIT <16>-<245>
MYSQL_TYPE_BIT,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
MYSQL_TYPE_BLOB, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_STRING, MYSQL_TYPE_VARCHAR
},
/* MYSQL_TYPE_NEWDECIMAL -> */
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
MYSQL_TYPE_NEWDECIMAL, MYSQL_TYPE_NEWDECIMAL,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
MYSQL_TYPE_NEWDECIMAL, MYSQL_TYPE_NEWDECIMAL,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
MYSQL_TYPE_DOUBLE, MYSQL_TYPE_DOUBLE,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
MYSQL_TYPE_NEWDECIMAL, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
MYSQL_TYPE_NEWDECIMAL, MYSQL_TYPE_NEWDECIMAL,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_NEWDECIMAL,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_BIT <16>-<245>
MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
MYSQL_TYPE_NEWDECIMAL, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
MYSQL_TYPE_BLOB, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_STRING, MYSQL_TYPE_VARCHAR
},
/* MYSQL_TYPE_ENUM -> */
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
MYSQL_TYPE_ENUM, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_BIT <16>-<245>
MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
MYSQL_TYPE_BLOB, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_STRING, MYSQL_TYPE_VARCHAR
},
/* MYSQL_TYPE_SET -> */
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
MYSQL_TYPE_SET, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_BIT <16>-<245>
MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
MYSQL_TYPE_BLOB, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_STRING, MYSQL_TYPE_VARCHAR
},
/* MYSQL_TYPE_TINY_BLOB -> */
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
MYSQL_TYPE_TINY_BLOB, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
MYSQL_TYPE_TINY_BLOB, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
MYSQL_TYPE_TINY_BLOB, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
MYSQL_TYPE_TINY_BLOB, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
MYSQL_TYPE_TINY_BLOB, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
MYSQL_TYPE_TINY_BLOB, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
MYSQL_TYPE_TINY_BLOB, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
MYSQL_TYPE_TINY_BLOB, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_BIT <16>-<245>
MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
MYSQL_TYPE_TINY_BLOB, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
MYSQL_TYPE_TINY_BLOB, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
MYSQL_TYPE_BLOB, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_TINY_BLOB, MYSQL_TYPE_TINY_BLOB
},
/* MYSQL_TYPE_MEDIUM_BLOB -> */
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_MEDIUM_BLOB,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_MEDIUM_BLOB,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_MEDIUM_BLOB,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_MEDIUM_BLOB,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_MEDIUM_BLOB,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_MEDIUM_BLOB,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_MEDIUM_BLOB,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_MEDIUM_BLOB,
//MYSQL_TYPE_BIT <16>-<245>
MYSQL_TYPE_MEDIUM_BLOB,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_MEDIUM_BLOB,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_MEDIUM_BLOB,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_MEDIUM_BLOB,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_MEDIUM_BLOB
},
/* MYSQL_TYPE_LONG_BLOB -> */
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
MYSQL_TYPE_LONG_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
MYSQL_TYPE_LONG_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
MYSQL_TYPE_LONG_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
MYSQL_TYPE_LONG_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
MYSQL_TYPE_LONG_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
MYSQL_TYPE_LONG_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
MYSQL_TYPE_LONG_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
MYSQL_TYPE_LONG_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BIT <16>-<245>
MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
MYSQL_TYPE_LONG_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
MYSQL_TYPE_LONG_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
MYSQL_TYPE_LONG_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
MYSQL_TYPE_LONG_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_LONG_BLOB, MYSQL_TYPE_LONG_BLOB
},
/* MYSQL_TYPE_BLOB -> */
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
MYSQL_TYPE_BLOB, MYSQL_TYPE_BLOB,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
MYSQL_TYPE_BLOB, MYSQL_TYPE_BLOB,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
MYSQL_TYPE_BLOB, MYSQL_TYPE_BLOB,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
MYSQL_TYPE_BLOB, MYSQL_TYPE_BLOB,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
MYSQL_TYPE_BLOB, MYSQL_TYPE_BLOB,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
MYSQL_TYPE_BLOB, MYSQL_TYPE_BLOB,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
MYSQL_TYPE_BLOB, MYSQL_TYPE_BLOB,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
MYSQL_TYPE_BLOB, MYSQL_TYPE_BLOB,
//MYSQL_TYPE_BIT <16>-<245>
MYSQL_TYPE_BLOB,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
MYSQL_TYPE_BLOB, MYSQL_TYPE_BLOB,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
MYSQL_TYPE_BLOB, MYSQL_TYPE_BLOB,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
MYSQL_TYPE_BLOB, MYSQL_TYPE_BLOB,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_BLOB, MYSQL_TYPE_BLOB
},
/* MYSQL_TYPE_VAR_STRING -> */
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_BIT <16>-<245>
MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
MYSQL_TYPE_BLOB, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR
},
/* MYSQL_TYPE_STRING -> */
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
MYSQL_TYPE_STRING, MYSQL_TYPE_STRING,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
MYSQL_TYPE_STRING, MYSQL_TYPE_STRING,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
MYSQL_TYPE_STRING, MYSQL_TYPE_STRING,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
MYSQL_TYPE_STRING, MYSQL_TYPE_STRING,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
MYSQL_TYPE_STRING, MYSQL_TYPE_STRING,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
MYSQL_TYPE_STRING, MYSQL_TYPE_STRING,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
MYSQL_TYPE_STRING, MYSQL_TYPE_STRING,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
MYSQL_TYPE_STRING, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_BIT <16>-<245>
MYSQL_TYPE_STRING,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
MYSQL_TYPE_STRING, MYSQL_TYPE_STRING,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
MYSQL_TYPE_STRING, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
MYSQL_TYPE_BLOB, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_STRING, MYSQL_TYPE_STRING
},
/* MYSQL_TYPE_GEOMETRY -> */
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
MYSQL_TYPE_GEOMETRY, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_BIT <16>-<245>
MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
MYSQL_TYPE_VARCHAR, MYSQL_TYPE_TINY_BLOB,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
MYSQL_TYPE_BLOB, MYSQL_TYPE_VARCHAR,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_STRING, MYSQL_TYPE_GEOMETRY
}
};
/**
Return type of which can carry value of both given types in UNION result.
@param a type for merging
@param b type for merging
@return
type of field
*/
enum_field_types Field::field_type_merge(enum_field_types a,
enum_field_types b)
{
return field_types_merge_rules[field_type2index(a)]
[field_type2index(b)];
}
static Item_result field_types_result_type [FIELDTYPE_NUM]=
{
//MYSQL_TYPE_DECIMAL MYSQL_TYPE_TINY
DECIMAL_RESULT, INT_RESULT,
//MYSQL_TYPE_SHORT MYSQL_TYPE_LONG
INT_RESULT, INT_RESULT,
//MYSQL_TYPE_FLOAT MYSQL_TYPE_DOUBLE
REAL_RESULT, REAL_RESULT,
//MYSQL_TYPE_NULL MYSQL_TYPE_TIMESTAMP
STRING_RESULT, STRING_RESULT,
//MYSQL_TYPE_LONGLONG MYSQL_TYPE_INT24
INT_RESULT, INT_RESULT,
//MYSQL_TYPE_DATE MYSQL_TYPE_TIME
STRING_RESULT, STRING_RESULT,
//MYSQL_TYPE_DATETIME MYSQL_TYPE_YEAR
STRING_RESULT, INT_RESULT,
//MYSQL_TYPE_NEWDATE MYSQL_TYPE_VARCHAR
STRING_RESULT, STRING_RESULT,
//MYSQL_TYPE_BIT <16>-<245>
STRING_RESULT,
//MYSQL_TYPE_NEWDECIMAL MYSQL_TYPE_ENUM
DECIMAL_RESULT, STRING_RESULT,
//MYSQL_TYPE_SET MYSQL_TYPE_TINY_BLOB
STRING_RESULT, STRING_RESULT,
//MYSQL_TYPE_MEDIUM_BLOB MYSQL_TYPE_LONG_BLOB
STRING_RESULT, STRING_RESULT,
//MYSQL_TYPE_BLOB MYSQL_TYPE_VAR_STRING
STRING_RESULT, STRING_RESULT,
//MYSQL_TYPE_STRING MYSQL_TYPE_GEOMETRY
STRING_RESULT, STRING_RESULT
};
/*
Test if the given string contains important data:
not spaces for character string,
or any data for binary string.
SYNOPSIS
test_if_important_data()
cs Character set
str String to test
strend String end
RETURN
FALSE - If string does not have important data
TRUE - If string has some important data
*/
static bool
test_if_important_data(const CHARSET_INFO *cs, const char *str,
const char *strend)
{
if (cs != &my_charset_bin)
str+= cs->cset->scan(cs, str, strend, MY_SEQ_SPACES);
return (str < strend);
}