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1835.1.6
by Brian Aker
This patch returns dynamic SQL into the core (through SQL-Server syntax). |
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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) 2010 Brian Aker
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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; either version 2 of the License, or
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* (at your option) any later version.
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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 "config.h" |
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#include "drizzled/statement/execute.h" |
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#include "drizzled/session.h" |
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#include "drizzled/user_var_entry.h" |
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namespace drizzled |
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{
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void mysql_parse(drizzled::Session *session, const char *inBuf, uint32_t length); |
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namespace statement |
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{
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Execute::Execute(Session *in_session) : |
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Statement(in_session), |
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is_var(false) |
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{
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}
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bool statement::Execute::parseVariable() |
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{
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if (is_var) |
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{
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user_var_entry *var= getSession()->getVariable(to_execute, false); |
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if (var && var->length && var->value && var->type == STRING_RESULT) |
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{
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LEX_STRING tmp_for_var; |
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tmp_for_var.str= var->value; |
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tmp_for_var.length= var->length; |
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to_execute= tmp_for_var; |
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return true; |
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}
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}
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return false; |
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}
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bool statement::Execute::execute() |
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{
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if (to_execute.length == 0) |
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{
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my_error(ER_WRONG_ARGUMENTS, MYF(0), "Invalid Variable"); |
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return false; |
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}
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if (is_var) |
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{
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if (not parseVariable()) |
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{
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my_error(ER_WRONG_ARGUMENTS, MYF(0), "Invalid Variable"); |
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return false; |
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}
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}
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mysql_parse(getSession(), to_execute.str, to_execute.length); |
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// We have to restore ourselves at the top for delete[] to work.
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getSession()->getLex()->statement= this; |
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return true; |
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}
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} /* namespace statement */ |
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} /* namespace drizzled */ |
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