~drizzle-trunk/drizzle/development

850 by Brian Aker
More class creation.
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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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 *
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 *  Copyright (C) 2008 Sun Microsystems
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 *
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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; version 2 of the License.
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 *
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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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 *
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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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 */
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#ifndef DRIZZLED_SELECT_EXPORT_H
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#define DRIZZLED_SELECT_EXPORT_H
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/*
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 List of all possible characters of a numeric value text representation.
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*/
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#define NUMERIC_CHARS ".0123456789e+-"
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class select_export :public select_to_file {
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  uint32_t field_term_length;
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  int field_sep_char,escape_char,line_sep_char;
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  int field_term_char; // first char of FIELDS TERMINATED BY or MAX_INT
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  /*
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    The is_ambiguous_field_sep field is true if a value of the field_sep_char
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    field is one of the 'n', 't', 'r' etc characters
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    (see the READ_INFO::unescape method and the ESCAPE_CHARS constant value).
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  */
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  bool is_ambiguous_field_sep;
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  /*
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     The is_ambiguous_field_term is true if field_sep_char contains the first
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     char of the FIELDS TERMINATED BY (ENCLOSED BY is empty), and items can
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     contain this character.
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  */
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  bool is_ambiguous_field_term;
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  /*
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    The is_unsafe_field_sep field is true if a value of the field_sep_char
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    field is one of the '0'..'9', '+', '-', '.' and 'e' characters
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    (see the NUMERIC_CHARS constant value).
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  */
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  bool is_unsafe_field_sep;
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  bool fixed_row_size;
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public:
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  select_export(file_exchange *ex) :select_to_file(ex) {}
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  ~select_export();
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  int prepare(List<Item> &list, Select_Lex_Unit *u);
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  bool send_data(List<Item> &items);
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};
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#endif /* DRIZZLED_SELECT_EXPORT_H */