642.1.11
by Lee
move functions from item.cc/item.h to item directory |
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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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#include <drizzled/server_includes.h> |
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#include CSTDINT_H
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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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642.1.24
by Lee
more header file cleanup |
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#include <drizzled/item/ref.h> |
642.1.61
by Lee
more header file cleanup |
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#include <drizzled/item/copy_string.h> |
1008.3.1
by Stewart Smith
move Item_default_value out into its own files under drizzled/item/ to make it easier to find and follow current convention |
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#include <drizzled/item/default_value.h> |
642.1.11
by Lee
move functions from item.cc/item.h to item directory |
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#include <drizzled/field/null.h> |
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bool Item_insert_value::eq(const Item *item, bool binary_cmp) const |
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{
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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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}
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bool Item_insert_value::fix_fields(Session *session, Item **) |
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{
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assert(fixed == 0); |
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/* We should only check that arg is in first table */
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if (!arg->fixed) |
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{
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bool res; |
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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 (res) |
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return true; |
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}
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if (arg->type() == REF_ITEM) |
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{
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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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{
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my_error(ER_BAD_FIELD_ERROR, MYF(0), "", "VALUES() function"); |
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return true; |
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}
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arg= ref->ref[0]; |
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}
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/*
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According to our SQL grammar, VALUES() function can reference
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only to a column.
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*/
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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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{
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Field *def_field= (Field*) sql_alloc(field_arg->field->size_of()); |
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if (!def_field) |
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return true; |
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memcpy(def_field, field_arg->field, field_arg->field->size_of()); |
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1122.2.12
by Monty Taylor
Removed the silly my_ptrdiff_t typedef. |
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def_field->move_field_offset((ptrdiff_t) |
642.1.11
by Lee
move functions from item.cc/item.h to item directory |
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(def_field->table->insert_values - |
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def_field->table->record[0])); |
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set_field(def_field); |
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}
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else
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{
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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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1119.9.12
by Jay Pipes
First phase removal of MTYP_TYPENR() macro. This removes the unireg_check argument for all Field types where it is irrelevant (everything but numeric types and timestamp. |
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tmp_field= new Field_null(0, 0, field_arg->field->field_name, &my_charset_bin); |
642.1.11
by Lee
move functions from item.cc/item.h to item directory |
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if (tmp_field) |
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{
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tmp_field->init(field_arg->field->table); |
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set_field(tmp_field); |
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}
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}
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return false; |
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}
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void Item_insert_value::print(String *str, enum_query_type query_type) |
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{
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str->append(STRING_WITH_LEN("values(")); |
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arg->print(str, query_type); |
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str->append(')'); |
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}
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