init push

2021-05-31 22:56:52 +08:00
commit cea7de1475
7020 changed files with 5689869 additions and 0 deletions
--- a/src/sql/engine/expr/ob_expr_radians.cpp
+++ b/src/sql/engine/expr/ob_expr_radians.cpp
@ -0,0 +1,95 @@
+/**
+ * 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.
+ */
+
+#define USING_LOG_PREFIX SQL_ENG
+#include "sql/engine/expr/ob_expr_radians.h"
+#include <cmath>
+#include "share/object/ob_obj_cast.h"
+#include "sql/parser/ob_item_type.h"
+#include "sql/session/ob_sql_session_info.h"
+
+using namespace oceanbase::common;
+using namespace oceanbase::sql;
+
+namespace oceanbase {
+namespace sql {
+
+const double ObExprRadians::radians_ratio_ = std::acos(-1) / 180;
+
+ObExprRadians::ObExprRadians(ObIAllocator& alloc)
+    : ObFuncExprOperator(alloc, T_FUN_SYS_RADIANS, N_RADIANS, 1, NOT_ROW_DIMENSION)
+{}
+
+ObExprRadians::~ObExprRadians()
+{}
+
+int ObExprRadians::calc_result_type1(ObExprResType& type, ObExprResType& type1, common::ObExprTypeCtx& type_ctx) const
+{
+  UNUSED(type_ctx);
+  int ret = OB_SUCCESS;
+  if (NOT_ROW_DIMENSION != row_dimension_ || ObMaxType == type1.get_type()) {
+    ret = OB_ERR_INVALID_TYPE_FOR_OP;
+  } else {
+    type.set_double();
+    type1.set_calc_type(ObDoubleType);
+    ObExprOperator::calc_result_flag1(type, type1);
+  }
+  return ret;
+}
+
+int ObExprRadians::calc_result1(ObObj& result, const ObObj& obj, ObExprCtx& expr_ctx) const
+{
+  int ret = OB_SUCCESS;
+  double val = 0.0;
+  if (OB_ISNULL(expr_ctx.calc_buf_)) {
+    ret = OB_NOT_INIT;
+    LOG_WARN("varchar buffer not init", K(ret));
+  } else if (obj.is_null()) {
+    result.set_null();
+  } else if (OB_FAIL(obj.get_double(val))) {
+    LOG_WARN("get_double from obj failed", K(ret), K(obj), K(val));
+  } else {
+    result.set_double(val * radians_ratio_);
+  }
+  return ret;
+}
+
+int ObExprRadians::calc_radians_expr(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& res_datum)
+{
+  int ret = OB_SUCCESS;
+  ObDatum* arg = NULL;
+  if (OB_FAIL(expr.args_[0]->eval(ctx, arg))) {
+    LOG_WARN("eval arg failed", K(ret), K(expr));
+  } else if (arg->is_null()) {
+    res_datum.set_null();
+  } else {
+    double val = arg->get_double();
+    res_datum.set_double(val * radians_ratio_);
+  }
+  return ret;
+}
+
+int ObExprRadians::cg_expr(ObExprCGCtx& expr_cg_ctx, const ObRawExpr& raw_expr, ObExpr& rt_expr) const
+{
+  int ret = OB_SUCCESS;
+  UNUSED(expr_cg_ctx);
+  UNUSED(raw_expr);
+  if (OB_UNLIKELY(1 != rt_expr.arg_cnt_) || (ObDoubleType != rt_expr.args_[0]->datum_meta_.type_)) {
+    ret = OB_ERR_UNEXPECTED;
+    LOG_WARN("invalid arg_cnt_ or arg res type is invalid", K(ret), K(rt_expr));
+  } else {
+    rt_expr.eval_func_ = calc_radians_expr;
+  }
+  return ret;
+}
+}  // namespace sql
+}  // namespace oceanbase