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/* Copyright (C) 2003 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include "Code_expr.hpp"
#include "Code_expr_row.hpp"
// Plan_expr
Plan_expr::~Plan_expr()
{
}
bool
Plan_expr::isEqual(const Plan_expr* expr) const
{
return false;
}
bool
Plan_expr::isAnyEqual(const Plan_expr_row* row) const
{
ctx_assert(row != 0);
const unsigned size = row->getSize();
for (unsigned i = 1; i <= size; i++) {
if (isEqual(row->getExpr(i)))
return true;
}
return false;
}
bool
Plan_expr::isGroupBy(const Plan_expr_row* row) const
{
return false;
}
// Exec_expr
Exec_expr::Code::~Code()
{
}
Exec_expr::Data::~Data()
{
}
Exec_expr::~Exec_expr()
{
}
SqlField&
Exec_expr::Data::groupField(const SqlType& sqlType, unsigned i, bool initFlag)
{
if (m_groupField.size() == 0) {
m_groupField.resize(1);
}
if (initFlag) {
//unsigned i2 = m_groupField.size();
//ctx_assert(i == i2);
const SqlSpec sqlSpec(sqlType, SqlSpec::Physical);
const SqlField sqlField(sqlSpec);
m_groupField.push_back(sqlField);
}
ctx_assert(i != 0 && i < m_groupField.size());
return m_groupField[i];
}
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