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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/error.h>
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#include <drizzled/name_resolution_context.h>
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#include <drizzled/table.h>
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#include <drizzled/item/insert_value.h>
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#include <drizzled/item/ref.h>
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#include <drizzled/item/copy_string.h>
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#include <drizzled/item/default_value.h>
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#include <drizzled/field/null.h>
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using namespace drizzled;
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bool Item_insert_value::eq(const Item *item, bool binary_cmp) const
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return item->type() == INSERT_VALUE_ITEM &&
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((Item_default_value *)item)->arg->eq(arg, binary_cmp);
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bool Item_insert_value::fix_fields(Session *session, Item **)
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/* We should only check that arg is in first table */
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TableList *orig_next_table= context->last_name_resolution_table;
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context->last_name_resolution_table= context->first_name_resolution_table;
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res= arg->fix_fields(session, &arg);
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context->last_name_resolution_table= orig_next_table;
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if (arg->type() == REF_ITEM)
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Item_ref *ref= (Item_ref *)arg;
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if (ref->ref[0]->type() != FIELD_ITEM)
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my_error(ER_BAD_FIELD_ERROR, MYF(0), "", "VALUES() function");
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According to our SQL grammar, VALUES() function can reference
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assert(arg->type() == FIELD_ITEM);
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Item_field *field_arg= (Item_field *)arg;
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if (field_arg->field->table->insert_values)
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Field *def_field= (Field*) memory::sql_alloc(field_arg->field->size_of());
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memcpy(def_field, field_arg->field, field_arg->field->size_of());
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def_field->move_field_offset((ptrdiff_t)
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(def_field->table->insert_values -
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def_field->table->record[0]));
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Field *tmp_field= field_arg->field;
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/* charset doesn't matter here, it's to avoid sigsegv only */
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tmp_field= new Field_null(0, 0, field_arg->field->field_name, &my_charset_bin);
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tmp_field->init(field_arg->field->table);
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void Item_insert_value::print(String *str, enum_query_type query_type)
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str->append(STRING_WITH_LEN("values("));
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arg->print(str, query_type);