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_time_to_usec.cpp
+++ b/src/sql/engine/expr/ob_expr_time_to_usec.cpp
@ -0,0 +1,86 @@
+/**
+ * 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_time_to_usec.h"
+#include "lib/time/ob_time_utility.h"
+#include "lib/ob_name_def.h"
+#include "sql/session/ob_sql_session_info.h"
+
+namespace oceanbase {
+using namespace common;
+namespace sql {
+
+ObExprTimeToUsec::ObExprTimeToUsec(ObIAllocator& alloc)
+    : ObFuncExprOperator(alloc, T_FUN_SYS_TIME_TO_USEC, N_TIME_TO_USEC, 1, NOT_ROW_DIMENSION)
+{}
+
+ObExprTimeToUsec::~ObExprTimeToUsec()
+{}
+
+int ObExprTimeToUsec::calc_result_type1(ObExprResType& type, ObExprResType& date, common::ObExprTypeCtx& type_ctx) const
+{
+  UNUSED(type_ctx);
+  int ret = common::OB_SUCCESS;
+  if (OB_UNLIKELY(!date.is_varchar() && !date.is_temporal_type() && !date.is_null())) {
+    ret = common::OB_INVALID_ARGUMENT_FOR_TIME_TO_USEC;
+
+    LOG_WARN("invalid type", K(date.get_type()));
+  } else {
+    type.set_int();
+    type.set_precision(ObAccuracy::DDL_DEFAULT_ACCURACY[ObIntType].precision_);
+    type.set_scale(ObAccuracy::DDL_DEFAULT_ACCURACY[ObIntType].scale_);
+    // set calc type
+    date.set_calc_type(ObTimestampType);
+  }
+  return ret;
+}
+
+int ObExprTimeToUsec::calc_result1(common::ObObj& result, const common::ObObj& date, ObExprCtx& expr_ctx) const
+{
+  int ret = OB_SUCCESS;
+  if (OB_UNLIKELY(date.is_null())) {
+    result.set_null();
+  } else {
+    TYPE_CHECK(date, ObTimestampType);
+    int64_t ts_val = date.get_timestamp();
+    result.set_int(ts_val);
+  }
+  UNUSED(expr_ctx);
+  return ret;
+}
+
+int calc_time_to_usec_expr(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& res_datum)
+{
+  int ret = OB_SUCCESS;
+  ObDatum* arg_datum = NULL;
+  if (OB_FAIL(expr.args_[0]->eval(ctx, arg_datum))) {
+    LOG_WARN("eval arg failed", K(ret));
+  } else if (arg_datum->is_null()) {
+    res_datum.set_null();
+  } else {
+    res_datum.set_int(arg_datum->get_timestamp());
+  }
+  return ret;
+}
+
+int ObExprTimeToUsec::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);
+  rt_expr.eval_func_ = calc_time_to_usec_expr;
+  return ret;
+}
+
+}  // namespace sql
+}  // namespace oceanbase