1 /* Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved. 2 3 This program is free software; you can redistribute it and/or modify 4 it under the terms of the GNU General Public License, version 2.0, 5 as published by the Free Software Foundation. 6 7 This program is also distributed with certain software (including 8 but not limited to OpenSSL) that is licensed under separate terms, 9 as designated in a particular file or component or in included license 10 documentation. The authors of MySQL hereby grant you an additional 11 permission to link the program and your derivative works with the 12 separately licensed software that they have included with MySQL. 13 14 This program is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License, version 2.0, for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program; if not, write to the Free Software 21 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ 22 23 #ifndef DD__PARTITION_VALUE_INCLUDED 24 #define DD__PARTITION_VALUE_INCLUDED 25 26 #include "my_inttypes.h" 27 #include "sql/dd/sdi_fwd.h" // dd::Sdi_wcontext 28 #include "sql/dd/types/weak_object.h" // dd::Weak_object 29 30 namespace dd { 31 32 /////////////////////////////////////////////////////////////////////////// 33 34 class Column; 35 class Partition; 36 class Partition_value_impl; 37 38 namespace tables { 39 class Table_partition_values; 40 } 41 42 /////////////////////////////////////////////////////////////////////////// 43 44 class Partition_value : virtual public Weak_object { 45 public: 46 typedef Partition_value_impl Impl; 47 typedef tables::Table_partition_values DD_table; 48 49 public: ~Partition_value()50 virtual ~Partition_value() {} 51 52 ///////////////////////////////////////////////////////////////////////// 53 // Partition. 54 ///////////////////////////////////////////////////////////////////////// 55 56 virtual const Partition &partition() const = 0; 57 58 virtual Partition &partition() = 0; 59 60 ///////////////////////////////////////////////////////////////////////// 61 // list_num. 62 ///////////////////////////////////////////////////////////////////////// 63 64 virtual uint list_num() const = 0; 65 virtual void set_list_num(uint list_num) = 0; 66 67 ///////////////////////////////////////////////////////////////////////// 68 // column_num. 69 ///////////////////////////////////////////////////////////////////////// 70 71 virtual uint column_num() const = 0; 72 virtual void set_column_num(uint column_num) = 0; 73 74 ///////////////////////////////////////////////////////////////////////// 75 // value. 76 ///////////////////////////////////////////////////////////////////////// 77 78 virtual const String_type &value_utf8() const = 0; 79 virtual void set_value_utf8(const String_type &value) = 0; 80 81 ///////////////////////////////////////////////////////////////////////// 82 // max_value. 83 ///////////////////////////////////////////////////////////////////////// 84 85 virtual bool max_value() const = 0; 86 virtual void set_max_value(bool max_value) = 0; 87 88 ///////////////////////////////////////////////////////////////////////// 89 // null_value. 90 ///////////////////////////////////////////////////////////////////////// 91 92 virtual bool is_value_null() const = 0; 93 virtual void set_value_null(bool is_null) = 0; 94 95 /** 96 Converts *this into json. 97 98 Converts all member variables that are to be included in the sdi 99 into json by transforming them appropriately and passing them to 100 the rapidjson writer provided. 101 102 @param wctx opaque context for data needed by serialization 103 @param w rapidjson writer which will perform conversion to json 104 105 */ 106 107 virtual void serialize(Sdi_wcontext *wctx, Sdi_writer *w) const = 0; 108 109 /** 110 Re-establishes the state of *this by reading sdi information from 111 the rapidjson DOM subobject provided. 112 113 Cross-references encountered within this object are tracked in 114 sdictx, so that they can be updated when the entire object graph 115 has been established. 116 117 @param rctx stores book-keeping information for the 118 deserialization process 119 @param val subobject of rapidjson DOM containing json 120 representation of this object 121 */ 122 123 virtual bool deserialize(Sdi_rcontext *rctx, const RJ_Value &val) = 0; 124 }; 125 126 /////////////////////////////////////////////////////////////////////////// 127 128 } // namespace dd 129 130 #endif // DD__PARTITION_VALUE_INCLUDED 131