[FEAT MERGE] GIS

src/sql/engine/expr/ob_expr_st_geometryfromtext.cpp

@@ -0,0 +1,51 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ * This file contains implementation for st_geometryfromtext.
+ */
+
+#define USING_LOG_PREFIX SQL_ENG
+#include "sql/engine/expr/ob_expr_st_geometryfromtext.h"
+
+using namespace oceanbase::common;
+using namespace oceanbase::sql;
+
+namespace oceanbase
+{
+namespace sql
+{
+ObExprSTGeometryFromText::ObExprSTGeometryFromText(ObIAllocator &alloc)
+    : ObExprSTGeomFromText(alloc, T_FUN_SYS_ST_GEOMETRYFROMTEXT, N_ST_GEOMETRYFROMTEXT, MORE_THAN_ZERO, NOT_ROW_DIMENSION)
+{
+}
+
+ObExprSTGeometryFromText::~ObExprSTGeometryFromText()
+{
+}
+
+int ObExprSTGeometryFromText::eval_st_geometryfromtext(const ObExpr &expr,
+                                                       ObEvalCtx &ctx,
+                                                       ObDatum &res)
+{
+  return eval_st_geomfromtext_common(expr, ctx, res, N_ST_GEOMETRYFROMTEXT);
+}
+
+int ObExprSTGeometryFromText::cg_expr(ObExprCGCtx &expr_cg_ctx,
+                                  const ObRawExpr &raw_expr,
+                                  ObExpr &rt_expr) const
+{
+  UNUSED(expr_cg_ctx);
+  UNUSED(raw_expr);
+  rt_expr.eval_func_ = eval_st_geometryfromtext;
+  return OB_SUCCESS;
+}
+
+} // namespace sql
+} // namespace oceanbase