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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/server_includes.h>
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#include <drizzled/error.h>
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#include <drizzled/functions/signed.h>
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void Item_func_signed::print(String *str, enum_query_type query_type)
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str->append(STRING_WITH_LEN("cast("));
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args[0]->print(str, query_type);
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str->append(STRING_WITH_LEN(" as signed)"));
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int64_t Item_func_signed::val_int_from_str(int *error)
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char buff[MAX_FIELD_WIDTH], *end, *start;
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String tmp(buff,sizeof(buff), &my_charset_bin), *res;
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For a string result, we must first get the string and then convert it
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if (!(res= args[0]->val_str(&tmp)))
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start= (char *)res->ptr();
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length= res->length();
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value= my_strtoll10(start, &end, error);
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if (*error > 0 || end != start+ length)
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String err_tmp(err_buff,(uint32_t) sizeof(err_buff), system_charset_info);
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err_tmp.copy(start, length, system_charset_info);
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push_warning_printf(current_session, DRIZZLE_ERROR::WARN_LEVEL_WARN,
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ER_TRUNCATED_WRONG_VALUE,
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ER(ER_TRUNCATED_WRONG_VALUE), "INTEGER",
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int64_t Item_func_signed::val_int()
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if (args[0]->cast_to_int_type() != STRING_RESULT ||
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args[0]->result_as_int64_t())
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value= args[0]->val_int();
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null_value= args[0]->null_value;
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value= val_int_from_str(&error);
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if (value < 0 && error == 0)
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push_warning(current_session, DRIZZLE_ERROR::WARN_LEVEL_WARN, ER_UNKNOWN_ERROR,
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"Cast to signed converted positive out-of-range integer to "
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"it's negative complement");