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_time_format.h
+++ b/src/sql/engine/expr/ob_expr_time_format.h
@ -0,0 +1,45 @@
+// Copyright 2021 Alibaba Inc. All Rights Reserved.
+// Author:
+//     shanting <dachuan.sdc@antgroup.com>
+
+
+#ifndef OCEANBASE_SQL_OB_EXPR_TIME_FORMAT_H_
+#define OCEANBASE_SQL_OB_EXPR_TIME_FORMAT_H_
+
+#include "lib/timezone/ob_time_convert.h"
+#include "sql/engine/expr/ob_expr_operator.h"
+
+namespace oceanbase
+{
+namespace sql
+{
+class ObExprTimeFormat : public ObStringExprOperator
+{
+public:
+  explicit  ObExprTimeFormat(common::ObIAllocator &alloc);
+  virtual ~ObExprTimeFormat();
+  virtual int calc_result_type2(ObExprResType &type,
+                                ObExprResType &date,
+                                ObExprResType &format,
+                                common::ObExprTypeCtx &type_ctx) const;
+  virtual int calc_result2(common::ObObj &result,
+                           const common::ObObj &date,
+                           const common::ObObj &format,
+                           common::ObExprCtx &expr_ctx) const;
+  virtual int cg_expr(ObExprCGCtx &op_cg_ctx,
+                      const ObRawExpr &raw_expr,
+                      ObExpr &rt_expr) const override;
+  static int time_to_str_format(const int64_t &time_value, const common::ObString &format,
+                                char *buf, int64_t buf_len, int64_t &pos, bool &res_null);
+  static int calc_time_format(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &expr_datum);
+private:
+  // disallow copy
+  DISALLOW_COPY_AND_ASSIGN(ObExprTimeFormat);
+
+  static const int64_t OB_TEMPORAL_BUF_SIZE_RATIO = 30;
+};
+
+} //sql
+} //oceanbase
+
+#endif //OCEANBASE_SQL_OB_EXPR_TIME_FORMAT_H_