1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
/* Copyright (C) 2003 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#ifndef ODBC_CODEGEN_Code_query_index_hpp
#define ODBC_CODEGEN_Code_query_index_hpp
#include <common/common.hpp>
#include "Code_query.hpp"
#include "Code_table.hpp"
class Ctx;
class StmtArea;
class NdbConnection;
class NdbOperation;
class NdbRecAttr;
/**
* @class Plan_query_index
* @brief Full select (no where clause)
*/
class Plan_query_index : public Plan_query {
public:
Plan_query_index(Plan_root* root);
virtual ~Plan_query_index();
Plan_base* analyze(Ctx& ctx, Ctl& ctl);
Exec_base* codegen(Ctx& ctx, Ctl& ctl);
void print(Ctx& ctx);
// children
void setTable(Plan_table* table, Plan_table::Index* index);
protected:
Plan_table* m_table;
Plan_table::Index* m_index;
};
inline
Plan_query_index::Plan_query_index(Plan_root* root) :
Plan_query(root),
m_table(0),
m_index(0)
{
}
// children
inline void
Plan_query_index::setTable(Plan_table* table, Plan_table::Index* index)
{
ctx_assert(table != 0 && index != 0 && index == &table->m_indexList[index->m_pos] && index->m_pos != 0);
m_table = table;
m_index = index;
}
/**
* @class Exec_query_index
* @brief Full select (no where clause)
*/
class Exec_query_index : public Exec_query {
public:
class Code : public Exec_query::Code {
public:
Code(unsigned keyCount, unsigned attrCount);
virtual ~Code();
protected:
friend class Plan_query_index;
friend class Exec_query_index;
const char* m_tableName;
const char* m_indexName;
unsigned m_keyCount;
SqlSpecs m_keySpecs; // key types
NdbAttrId* m_keyId;
Exec_expr** m_keyMatch; // XXX pointers for now
unsigned m_attrCount;
SqlSpecs m_sqlSpecs;
NdbAttrId* m_attrId;
};
class Data : public Exec_query::Data {
public:
Data(Exec_query_index* node, const SqlSpecs& sqlSpecs);
virtual ~Data();
protected:
friend class Exec_query_index;
SqlRow m_sqlRow;
NdbConnection* m_con;
NdbOperation* m_op;
NdbRecAttr** m_recAttr;
bool m_done; // returns one row
};
Exec_query_index(Exec_root* root);
virtual ~Exec_query_index();
void alloc(Ctx& ctx, Ctl& ctl);
void execImpl(Ctx& ctx, Ctl& ctl);
bool fetchImpl(Ctx& ctx, Ctl& ctl);
void close(Ctx& ctx);
void print(Ctx& ctx);
// children
const Code& getCode() const;
Data& getData() const;
};
inline
Exec_query_index::Code::Code(unsigned keyCount, unsigned attrCount) :
Exec_query::Code(m_sqlSpecs),
m_tableName(0),
m_indexName(0),
m_keyCount(keyCount),
m_keySpecs(keyCount),
m_keyId(0),
m_attrCount(attrCount),
m_sqlSpecs(attrCount),
m_attrId(0)
{
}
inline
Exec_query_index::Data::Data(Exec_query_index* node, const SqlSpecs& sqlSpecs) :
Exec_query::Data(node, m_sqlRow),
m_sqlRow(sqlSpecs),
m_con(0),
m_op(0),
m_recAttr(0),
m_done(false)
{
}
inline
Exec_query_index::Exec_query_index(Exec_root* root) :
Exec_query(root)
{
}
// children
inline const Exec_query_index::Code&
Exec_query_index::getCode() const
{
const Code* code = static_cast<const Code*>(m_code);
return *code;
}
inline Exec_query_index::Data&
Exec_query_index::getData() const
{
Data* data = static_cast<Data*>(m_data);
return *data;
}
#endif
|
