diff options
Diffstat (limited to 'ndb/src/client/odbc/codegen/Code_column.cpp')
-rw-r--r-- | ndb/src/client/odbc/codegen/Code_column.cpp | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/ndb/src/client/odbc/codegen/Code_column.cpp b/ndb/src/client/odbc/codegen/Code_column.cpp new file mode 100644 index 00000000000..c4c0480a5e7 --- /dev/null +++ b/ndb/src/client/odbc/codegen/Code_column.cpp @@ -0,0 +1,72 @@ +/* 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 <NdbApi.hpp> +#include <common/StmtArea.hpp> +#include <dictionary/DictSchema.hpp> +#include <dictionary/DictColumn.hpp> +#include "Code_column.hpp" +#include "Code_table_list.hpp" +#include "Code_table.hpp" + +// Plan_column + +Plan_column::~Plan_column() +{ +} + +void +Plan_column::analyzeColumn(Ctx& ctx, Plan_base::Ctl& ctl) +{ + if (m_resTable != 0) // done on previous pass + return; + if (! (ctl.m_tableList.size() > 1)) { + ctx.pushStatus(Sqlstate::_42000, Error::Gen, "column %s not allowed here", getPrintName()); + return; + } + unsigned resCount = 0; + for (unsigned i = 1; i < ctl.m_tableList.size(); i++) { + Plan_table* table = ctl.m_tableList[i]; + ctx_assert(table != 0); + int ret = table->resolveColumn(ctx, this); + if (ret < 0) + return; + if (ret) + resCount++; + } + if (resCount == 0) { + // XXX try to strip "schema name" from table name + for (unsigned i = 1; i < ctl.m_tableList.size(); i++) { + Plan_table* table = ctl.m_tableList[i]; + ctx_assert(table != 0); + int ret = table->resolveColumn(ctx, this, true); + if (ret < 0) + return; + if (ret) + resCount++; + } + } + if (resCount == 0) { + ctx.pushStatus(Sqlstate::_42S22, Error::Gen, "column %s not found", getPrintName()); + return; + } + if (resCount > 1) { + ctx.pushStatus(Error::Gen, "column %s is ambiguous", getPrintName()); + return; + } + // copy SQL type + m_sqlType = dictColumn().sqlType(); +} |