1 files changed, 162 insertions, 0 deletions
diff --git a/ndb/src/client/odbc/codegen/Code_query_count.hpp b/ndb/src/client/odbc/codegen/Code_query_count.hpp
new file mode 100644
index 00000000000..a094eba4519
--- /dev/null
+++ b/ndb/src/client/odbc/codegen/Code_query_count.hpp
@@ -0,0 +1,162 @@
+/* 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 */
+
+#ifndef ODBC_CODEGEN_Code_query_count_hpp
+#define ODBC_CODEGEN_Code_query_count_hpp
+
+#include <common/common.hpp>
+#include "Code_query.hpp"
+#include "Code_expr_row.hpp"
+#include "Code_root.hpp"
+
+class Ctx;
+
+/**
+ * @class Plan_query_count
+ * @brief Select count and other aggregates (no group by)
+ */
+class Plan_query_count : public Plan_query {
+public:
+    Plan_query_count(Plan_root* root);
+    virtual ~Plan_query_count();
+    Plan_base* analyze(Ctx& ctx, Ctl& ctl);
+    Exec_base* codegen(Ctx& ctx, Ctl& ctl);
+    void print(Ctx& ctx);
+    // children
+    void setQuery(Plan_query* query);
+    void setRow(Plan_expr_row* exprRow);
+protected:
+    Plan_expr_row* getRow();
+    Plan_query* m_query;
+    Plan_expr_row* m_exprRow;
+};
+
+inline
+Plan_query_count::Plan_query_count(Plan_root* root) :
+    Plan_query(root),
+    m_query(0),
+    m_exprRow(0)
+{
+}
+
+// children
+
+inline void
+Plan_query_count::setQuery(Plan_query* query)
+{
+    ctx_assert(query != 0);
+    m_query = query;
+}
+
+inline void
+Plan_query_count::setRow(Plan_expr_row* exprRow)
+{
+    ctx_assert(exprRow != 0);
+    m_exprRow = exprRow;
+}
+
+/**
+ * @class Exec_query_count
+ * @brief Select count and other aggregates (no group by)
+ */
+class Exec_query_count : public Exec_query {
+public:
+    class Code : public Exec_query::Code {
+    public:
+	Code(const SqlSpecs& sqlSpecs);
+	virtual ~Code();
+    protected:
+	friend class Exec_query_count;
+	// sets reference to Sqlspecs from the row
+    };
+    class Data : public Exec_query::Data {
+    public:
+	Data(Exec_query_count* node, const SqlRow& sqlRow);
+	virtual ~Data();
+    protected:
+	friend class Exec_query_count;
+	// sets reference to SqlRow from the row
+	bool m_done;		// returns one row
+    };
+    Exec_query_count(Exec_root* root);
+    virtual ~Exec_query_count();
+    void alloc(Ctx& ctx, Ctl& ctl);
+    void execImpl(Ctx& ctx, Ctl& ctl);
+    bool fetchImpl(Ctx& ctx, Ctl& ctl);
+    void close(Ctx& ctx);
+    void print(Ctx& ctx);
+    // children
+    const Code& getCode() const;
+    Data& getData() const;
+    void setQuery(Exec_query* query);
+    void setRow(Exec_expr_row* exprRow);
+    const Exec_query* getRawQuery() const;
+protected:
+    Exec_query* m_query;
+    Exec_expr_row* m_exprRow;
+};
+
+inline
+Exec_query_count::Code::Code(const SqlSpecs& sqlSpecs) :
+    Exec_query::Code(sqlSpecs)
+{
+}
+
+inline
+Exec_query_count::Data::Data(Exec_query_count* node, const SqlRow& sqlRow) :
+    Exec_query::Data(node, sqlRow)
+{
+}
+
+inline
+Exec_query_count::Exec_query_count(Exec_root* root) :
+    Exec_query(root),
+    m_query(0),
+    m_exprRow(0)
+{
+}
+
+// children
+
+inline const Exec_query_count::Code&
+Exec_query_count::getCode() const
+{
+    const Code* code = static_cast<const Code*>(m_code);
+    return *code;
+}
+
+inline Exec_query_count::Data&
+Exec_query_count::getData() const
+{
+    Data* data = static_cast<Data*>(m_data);
+    return *data;
+}
+
+inline void
+Exec_query_count::setQuery(Exec_query* query)
+{
+    ctx_assert(query != 0);
+    m_query = query;
+}
+
+inline void
+Exec_query_count::setRow(Exec_expr_row* exprRow)
+{
+    ctx_assert(m_exprRow == 0 && exprRow != 0);
+    m_exprRow = exprRow;
+}
+
+#endif