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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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#include <drizzled/function/str/set_collation.h>
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#include <drizzled/error.h>
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#include "drizzled/charset.h"
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static const char *binary_keyword= "BINARY";
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String *Item_func_set_collation::val_str(String *str)
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str=args[0]->val_str(str);
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if ((null_value=args[0]->null_value))
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str->set_charset(collation.collation);
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void Item_func_set_collation::fix_length_and_dec()
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const CHARSET_INFO *set_collation;
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String tmp, *str= args[1]->val_str(&tmp);
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colname= str->c_ptr();
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if (colname == binary_keyword)
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set_collation= get_charset_by_csname(args[0]->collation.collation->csname, MY_CS_BINSORT);
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if (!(set_collation= get_charset_by_name(colname)))
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my_error(ER_UNKNOWN_COLLATION, MYF(0), colname);
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!my_charset_same(args[0]->collation.collation,set_collation))
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my_error(ER_COLLATION_CHARSET_MISMATCH, MYF(0),
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colname, args[0]->collation.collation->csname);
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collation.set(set_collation, DERIVATION_EXPLICIT);
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max_length= args[0]->max_length;
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bool Item_func_set_collation::eq(const Item *item, bool binary_cmp) const
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/* Assume we don't have rtti */
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if (item->type() != FUNC_ITEM)
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Item_func *item_func=(Item_func*) item;
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if (arg_count != item_func->arg_count ||
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functype() != item_func->functype())
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Item_func_set_collation *item_func_sc=(Item_func_set_collation*) item;
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if (collation.collation != item_func_sc->collation.collation)
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for (uint32_t i=0; i < arg_count ; i++)
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if (!args[i]->eq(item_func_sc->args[i], binary_cmp))
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void Item_func_set_collation::print(String *str, enum_query_type query_type)
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args[0]->print(str, query_type);
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str->append(STRING_WITH_LEN(" collate "));
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assert(args[1]->basic_const_item() &&
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args[1]->type() == Item::STRING_ITEM);
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args[1]->str_value.print(str);
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} /* namespace drizzled */