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584.4.5
by Monty Taylor
Split out cache_row and type_holder. |
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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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1999.6.1
by kalebral at gmail
update Copyright strings to a more common format to help with creating the master debian copyright file |
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* Copyright (C) 2008 Sun Microsystems, Inc.
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584.4.5
by Monty Taylor
Split out cache_row and type_holder. |
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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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1241.9.36
by Monty Taylor
ZOMG. I deleted drizzled/server_includes.h. |
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#include "config.h" |
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1280.1.10
by Monty Taylor
Put everything in drizzled into drizzled namespace. |
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584.4.5
by Monty Taylor
Split out cache_row and type_holder. |
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#include <drizzled/error.h> |
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584.1.15
by Monty Taylor
The mega-patch from hell. Renamed sql_class to session (since that's what it is) and removed it and field and table from common_includes. |
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#include <drizzled/table.h> |
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#include <drizzled/session.h> |
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584.4.5
by Monty Taylor
Split out cache_row and type_holder. |
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#include <drizzled/item/cache_row.h> |
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1280.1.10
by Monty Taylor
Put everything in drizzled into drizzled namespace. |
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namespace drizzled |
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{
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584.4.5
by Monty Taylor
Split out cache_row and type_holder. |
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1052.2.4
by Nathan Williams
No actual code changes. Changed Send_field to SendField to be consistent with coding standards. |
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void Item_cache_row::make_field(SendField *) |
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584.4.5
by Monty Taylor
Split out cache_row and type_holder. |
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{
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illegal_method_call((const char*)"make_field"); |
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}
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double Item_cache_row::val_real() |
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{
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illegal_method_call((const char*)"val"); |
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return 0; |
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}
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int64_t Item_cache_row::val_int() |
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{
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illegal_method_call((const char*)"val_int"); |
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return 0; |
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}
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String *Item_cache_row::val_str(String *) |
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{
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illegal_method_call((const char*)"val_str"); |
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return 0; |
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}
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2030.1.4
by Brian Aker
Change my_decimal to Decimal |
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type::Decimal *Item_cache_row::val_decimal(type::Decimal *) |
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584.4.5
by Monty Taylor
Split out cache_row and type_holder. |
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{
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illegal_method_call((const char*)"val_decimal"); |
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return 0; |
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}
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enum Item_result Item_cache_row::result_type() const |
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{
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return ROW_RESULT; |
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}
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uint32_t Item_cache_row::cols() |
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{
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return item_count; |
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}
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Item *Item_cache_row::element_index(uint32_t i) |
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{
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return values[i]; |
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}
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Item **Item_cache_row::addr(uint32_t i) |
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{
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return (Item **) (values + i); |
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}
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bool Item_cache_row::allocate(uint32_t num) |
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{
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item_count= num; |
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return (!(values= |
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2137.1.10
by Brian Aker
Fix item so that we have session (ie, it always exists within the context so |
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(Item_cache **) getSession().calloc(sizeof(Item_cache *)*item_count))); |
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584.4.5
by Monty Taylor
Split out cache_row and type_holder. |
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}
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bool Item_cache_row::setup(Item * item) |
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{
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example= item; |
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if (!values && allocate(item->cols())) |
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return 1; |
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for (uint32_t i= 0; i < item_count; i++) |
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{
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Item *el= item->element_index(i); |
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Item_cache *tmp; |
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if (!(tmp= values[i]= Item_cache::get_cache(el))) |
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return 1; |
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tmp->setup(el); |
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}
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return 0; |
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}
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void Item_cache_row::store(Item * item) |
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{
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null_value= 0; |
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item->bring_value(); |
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for (uint32_t i= 0; i < item_count; i++) |
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{
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values[i]->store(item->element_index(i)); |
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null_value|= values[i]->null_value; |
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}
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}
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void Item_cache_row::illegal_method_call(const char *) |
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{
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assert(0); |
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my_error(ER_OPERAND_COLUMNS, MYF(0), 1); |
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return; |
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}
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bool Item_cache_row::check_cols(uint32_t c) |
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{
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if (c != item_count) |
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{
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my_error(ER_OPERAND_COLUMNS, MYF(0), c); |
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return 1; |
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}
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return 0; |
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}
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bool Item_cache_row::null_inside() |
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{
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for (uint32_t i= 0; i < item_count; i++) |
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{
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if (values[i]->cols() > 1) |
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{
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if (values[i]->null_inside()) |
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return 1; |
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}
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else
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{
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values[i]->update_null_value(); |
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if (values[i]->null_value) |
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return 1; |
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}
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}
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return 0; |
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}
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void Item_cache_row::bring_value() |
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{
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for (uint32_t i= 0; i < item_count; i++) |
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values[i]->bring_value(); |
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return; |
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}
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void Item_cache_row::keep_array() |
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{
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save_array= 1; |
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}
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void Item_cache_row::cleanup() |
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{
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Item_cache::cleanup(); |
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if (save_array) |
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memset(values, 0, item_count*sizeof(Item**)); |
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else
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values= 0; |
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return; |
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}
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1280.1.10
by Monty Taylor
Put everything in drizzled into drizzled namespace. |
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} /* namespace drizzled */ |