support last_day in mysql mode

2021-07-27 21:39:15 +08:00
parent 09edba0ff6
commit 74d0236609
45 changed files with 26893 additions and 25079 deletions
--- a/src/sql/engine/expr/ob_expr_makedate.h
+++ b/src/sql/engine/expr/ob_expr_makedate.h
@ -0,0 +1,42 @@
+// Copyright 2021 Alibaba Inc. All Rights Reserved.
+// Author:
+//     shanting <dachuan.sdc@antgroup.com>
+
+
+#ifndef OB_SQL_ENGINE_EXPR_MAKEDATE_
+#define OB_SQL_ENGINE_EXPR_MAKEDATE_
+
+#include "lib/allocator/ob_allocator.h"
+#include "sql/engine/expr/ob_expr_operator.h"
+
+namespace oceanbase
+{
+namespace sql
+{
+class ObExprMakedate : public ObFuncExprOperator
+{
+public:
+  explicit  ObExprMakedate(common::ObIAllocator &alloc);
+  virtual ~ObExprMakedate();
+  virtual int calc_result_type2(ObExprResType &type,
+                                ObExprResType &year,
+                                ObExprResType &day,
+                                common::ObExprTypeCtx &type_ctx) const;
+  virtual int calc_result2(common::ObObj &result,
+                           const common::ObObj &year,
+                           const common::ObObj &day,
+                           common::ObExprCtx &expr_ctx) const;
+  virtual common::ObCastMode get_cast_mode() const { return CM_STRING_INTEGER_TRUNC;}
+  static int calc_makedate(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &result);
+  template <typename T>
+  static int calc(T &res, int64_t year, int64_t day);
+  virtual int cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr,
+                      ObExpr &rt_expr) const override;
+private:
+  // disallow copy
+  DISALLOW_COPY_AND_ASSIGN(ObExprMakedate);
+};
+}
+}
+
+#endif /* OB_SQL_ENGINE_EXPR_MAKEDATE_ */