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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 Sun Microsystems
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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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* 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 DRIZZLED_COMP_CREATOR_H
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#define DRIZZLED_COMP_CREATOR_H
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class Item_bool_func2;
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Comp_creator() {} /* Remove gcc warning */
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virtual ~Comp_creator() {} /* Remove gcc warning */
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virtual Item_bool_func2* create(Item *a, Item *b) const = 0;
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virtual const char* symbol(bool invert) const = 0;
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virtual bool eqne_op() const = 0;
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virtual bool l_op() const = 0;
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typedef Comp_creator* (*chooser_compare_func_creator)(bool invert);
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Comp_creator *comp_eq_creator(bool invert);
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Comp_creator *comp_ge_creator(bool invert);
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Comp_creator *comp_gt_creator(bool invert);
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Comp_creator *comp_le_creator(bool invert);
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Comp_creator *comp_lt_creator(bool invert);
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Comp_creator *comp_ne_creator(bool invert);
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#endif /* DRIZZLED_COMP_CREATOR_H */