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-rw-r--r--ndb/src/client/odbc/codegen/Code_column.cpp72
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
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index 00000000000..c4c0480a5e7
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+++ 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();
+}