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/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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* Copyright (C) 2008 MySQL
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#ifndef DRIZZLE_SERVER_FIELD_SHORT
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#define DRIZZLE_SERVER_FIELD_SHORT
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class Field_short :public Field_num {
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Field_short(uchar *ptr_arg, uint32_t len_arg, uchar *null_ptr_arg,
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enum utype unireg_check_arg, const char *field_name_arg,
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bool zero_arg, bool unsigned_arg)
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:Field_num(ptr_arg, len_arg, null_ptr_arg, null_bit_arg,
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unireg_check_arg, field_name_arg,
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0, zero_arg,unsigned_arg)
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Field_short(uint32_t len_arg,bool maybe_null_arg, const char *field_name_arg,
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:Field_num((uchar*) 0, len_arg, maybe_null_arg ? (uchar*) "": 0,0,
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NONE, field_name_arg, 0, 0, unsigned_arg)
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enum Item_result result_type () const { return INT_RESULT; }
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enum_field_types type() const { return DRIZZLE_TYPE_SHORT;}
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enum ha_base_keytype key_type() const
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{ return unsigned_flag ? HA_KEYTYPE_USHORT_INT : HA_KEYTYPE_SHORT_INT;}
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int store(const char *to,uint length, const CHARSET_INFO * const charset);
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int store(int64_t nr, bool unsigned_val);
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int reset(void) { ptr[0]=ptr[1]=0; return 0; }
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double val_real(void);
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int64_t val_int(void);
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String *val_str(String*,String *);
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bool send_binary(Protocol *protocol);
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int cmp(const uchar *,const uchar *);
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void sort_string(uchar *buff,uint length);
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uint32_t pack_length() const { return 2; }
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void sql_type(String &str) const;
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uint32_t max_display_length() { return 6; }
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virtual uchar *pack(uchar* to, const uchar *from,
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uint max_length __attribute__((unused)),
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bool low_byte_first __attribute__((unused)))
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#ifdef WORDS_BIGENDIAN
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if (table->s->db_low_byte_first)
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val = sint2korr(from);
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#ifdef WORDS_BIGENDIAN
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return to + sizeof(val);
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virtual const uchar *unpack(uchar* to, const uchar *from,
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uint param_data __attribute__((unused)),
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bool low_byte_first __attribute__((unused)))
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#ifdef WORDS_BIGENDIAN
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val = sint2korr(from);
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#ifdef WORDS_BIGENDIAN
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if (table->s->db_low_byte_first)
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return from + sizeof(val);