Implement SPACE() and QUOTE() functions.

utils/funcexp/func_space.cpp

@@ -0,0 +1,66 @@
+/* Copyright (C) 2019 MariaDB Corporation.
+
+   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; version 2 of
+   the License.
+
+   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., 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA. */
+
+#include <string>
+using namespace std;
+
+#include "functor_str.h"
+using namespace execplan;
+
+#include "rowgroup.h"
+using namespace rowgroup;
+
+namespace funcexp
+{
+
+CalpontSystemCatalog::ColType Func_space::operationType(FunctionParm& fp, CalpontSystemCatalog::ColType& resultType)
+{
+    return resultType;
+}
+
+std::string Func_space::getStrVal(rowgroup::Row& row,
+                                  FunctionParm& fp,
+                                  bool& isNull,
+                                  execplan::CalpontSystemCatalog::ColType& op_ct)
+{
+
+    CalpontSystemCatalog::ColDataType ct = fp[0]->data()->resultType().colDataType;
+
+    // Int representation of temporal types can be a very large value,
+    // so exit early if this is the case
+    if (ct == CalpontSystemCatalog::DATE ||
+        ct == CalpontSystemCatalog::DATETIME ||
+        ct == CalpontSystemCatalog::TIMESTAMP ||
+        ct == CalpontSystemCatalog::TIME)
+    {
+        isNull = true;
+        return "";
+    }
+
+    int64_t count = fp[0]->data()->getIntVal(row, isNull);
+
+    if (isNull || count < 1)
+        return "";
+
+    string result(count, ' ');
+
+    return result;
+}
+
+} // namespace funcexp
+// vim:ts=4 sw=4:
+