1 /***************************************************************************
2 * Copyright (C) 2007 by Prabakaran Thirumalai *
3 * praba_tuty@yahoo.com *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
27 ParsedData
*parsedData
;
28 DatabaseManager
*dbMgr
;
31 void setParsedData(ParsedData
*pData
) { parsedData
= pData
; }
32 void setDbMgr(DatabaseManager
*dbmgr
) { dbMgr
= dbmgr
; }
35 virtual int noOfParamFields() { return 0; }
36 virtual DbRetVal
execute(int &rowsAffected
)=0;
37 virtual DbRetVal
setParam(int paramNo
, void *value
)=0;
39 virtual DbRetVal
setShortParam(int paramNo
, short value
)=0;
40 virtual DbRetVal
setIntParam(int paramNo
, int value
)=0;
41 virtual DbRetVal
setLongParam(int paramNo
, long value
)=0;
42 virtual DbRetVal
setLongLongParam(int paramNo
, long long value
)=0;
43 virtual DbRetVal
setByteIntParam(int paramNo
, ByteInt value
)=0;
44 virtual DbRetVal
setFloatParam(int paramNo
, float value
)=0;
45 virtual DbRetVal
setDoubleParam(int paramNo
, double value
)=0;
46 virtual DbRetVal
setStringParam(int paramNo
, char *value
)=0;
47 virtual DbRetVal
setDateParam(int paramNo
, Date value
)=0;
48 virtual DbRetVal
setTimeParam(int paramNo
, Time value
)=0;
49 virtual DbRetVal
setTimeStampParam(int paramNo
, TimeStamp value
)=0;
50 virtual DbRetVal
setBinaryParam(int paramNo
, void *value
)=0;
51 virtual DbRetVal
resolve()=0;
52 virtual bool isFldNull(int pos
)=0;
53 virtual int getFldPos(char *name
)=0;
54 virtual DbRetVal
setNull(int pos
)=0;
55 virtual ~Statement(){}
58 class DmlStatement
: public Statement
64 //used to store FieldValue* for insert or ConditionValue* for other stmts
70 int noOfParamFields() { return totalParams
; }
71 virtual DbRetVal
getParamFldInfo(int paramPos
, FieldInfo
*&info
) =0;
73 virtual DbRetVal
execute(int &rowsAffected
)=0;
74 virtual DbRetVal
setParam(int paramNo
, void *value
)=0;
76 virtual DbRetVal
setShortParam(int paramNo
, short value
)=0;
77 virtual DbRetVal
setIntParam(int paramNo
, int value
)=0;
78 virtual DbRetVal
setLongParam(int paramNo
, long value
)=0;
79 virtual DbRetVal
setLongLongParam(int paramNo
, long long value
)=0;
80 virtual DbRetVal
setByteIntParam(int paramNo
, ByteInt value
)=0;
81 virtual DbRetVal
setFloatParam(int paramNo
, float value
)=0;
82 virtual DbRetVal
setDoubleParam(int paramNo
, double value
)=0;
83 virtual DbRetVal
setStringParam(int paramNo
, char *value
)=0;
84 virtual DbRetVal
setDateParam(int paramNo
, Date value
)=0;
85 virtual DbRetVal
setTimeParam(int paramNo
, Time value
)=0;
86 virtual DbRetVal
setTimeStampParam(int paramNo
, TimeStamp value
)=0;
87 virtual DbRetVal
setBinaryParam(int paramNo
, void *value
)=0;
88 virtual bool isFldNull(int pos
)=0;
89 virtual DbRetVal
setNull(int pos
)=0;
90 virtual DbRetVal
resolve()=0;
91 virtual void* getParamValuePtr( int pos
)=0;
92 virtual int getFldPos(char *name
)=0;
93 virtual ~DmlStatement(){}
96 class InsStatement
: public DmlStatement
99 DbRetVal
getParamFldInfo(int paramPos
, FieldInfo
*&info
);
101 DbRetVal
execute(int &rowsAffected
);
102 DbRetVal
setParam(int paramNo
, void *value
);
104 DbRetVal
setShortParam(int paramNo
, short value
);
105 DbRetVal
setIntParam(int paramNo
, int value
);
106 DbRetVal
setLongParam(int paramNo
, long value
);
107 DbRetVal
setLongLongParam(int paramNo
, long long value
);
108 DbRetVal
setByteIntParam(int paramNo
, ByteInt value
);
109 DbRetVal
setFloatParam(int paramNo
, float value
);
110 DbRetVal
setDoubleParam(int paramNo
, double value
);
111 DbRetVal
setStringParam(int paramNo
, char *value
);
112 DbRetVal
setDateParam(int paramNo
, Date value
);
113 DbRetVal
setTimeParam(int paramNo
, Time value
);
114 DbRetVal
setTimeStampParam(int paramNo
, TimeStamp value
);
115 DbRetVal
setBinaryParam(int paramNo
, void *value
);
116 bool isFldNull(int pos
){return table
->isFldNull(pos
);}
117 void* getParamValuePtr( int );
118 int getFldPos(char *name
);
119 DbRetVal
setNull(int pos
);
125 class SelStatement
: public DmlStatement
128 DbRetVal
resolveStar();
129 DbRetVal
setBindFieldAndValues();
130 DbRetVal
resolveForCondition();
133 FieldValue
**bindFields
;
134 char **bindFieldValues
;
138 DbRetVal
execute(int &rowsAffected
);
139 DbRetVal
setParam(int paramNo
, void *value
);
141 DbRetVal
setShortParam(int paramNo
, short value
);
142 DbRetVal
setIntParam(int paramNo
, int value
);
143 DbRetVal
setLongParam(int paramNo
, long value
);
144 DbRetVal
setLongLongParam(int paramNo
, long long value
);
145 DbRetVal
setByteIntParam(int paramNo
, ByteInt value
);
146 DbRetVal
setFloatParam(int paramNo
, float value
);
147 DbRetVal
setDoubleParam(int paramNo
, double value
);
148 DbRetVal
setStringParam(int paramNo
, char *value
);
149 DbRetVal
setDateParam(int paramNo
, Date value
);
150 DbRetVal
setTimeParam(int paramNo
, Time value
);
151 DbRetVal
setTimeStampParam(int paramNo
, TimeStamp value
);
152 DbRetVal
setBinaryParam(int paramNo
, void *value
);
154 DbRetVal
replaceStarWithFirstFldName(FieldName
*name
);
155 DbRetVal
resolveGroupFld(AggTableImpl
*impl
);
156 bool isFldNull(int pos
){return table
->isFldNull(pos
);}
157 int getFldPos(char *name
);
158 DbRetVal
setNull(int pos
){}
164 DbRetVal
openTables();
165 //DbRetVal resolveGroupFld(AggTableImpl *impl);
167 DbRetVal
setBindField(int pos
, void* value
);
169 int noOfProjFields();
170 DbRetVal
getProjFldInfo (int projpos
, FieldInfo
*&fInfo
);
171 DbRetVal
getParamFldInfo(int paramPos
, FieldInfo
*&info
);
173 void *getParamValuePtr( int );
174 DataType
getFieldType( int );
175 int getFieldLength( int );
176 char* getFieldName( int );
179 void *fetch(DbRetVal
&rv
);
180 void *fetchAndPrint(bool SQL
);
182 void *getFieldValuePtr( int );
185 class UpdStatement
: public DmlStatement
188 DbRetVal
execute(int &rowsAffected
);
189 DbRetVal
setParam(int paramNo
, void *value
);
191 DbRetVal
setShortParam(int paramNo
, short value
);
192 DbRetVal
setIntParam(int paramNo
, int value
);
193 DbRetVal
setLongParam(int paramNo
, long value
);
194 DbRetVal
setLongLongParam(int paramNo
, long long value
);
195 DbRetVal
setByteIntParam(int paramNo
, ByteInt value
);
196 DbRetVal
setFloatParam(int paramNo
, float value
);
197 DbRetVal
setDoubleParam(int paramNo
, double value
);
198 DbRetVal
setStringParam(int paramNo
, char *value
);
199 DbRetVal
setDateParam(int paramNo
, Date value
);
200 DbRetVal
setTimeParam(int paramNo
, Time value
);
201 DbRetVal
setTimeStampParam(int paramNo
, TimeStamp value
);
202 DbRetVal
setBinaryParam(int paramNo
, void *value
);
203 void* getParamValuePtr(int);
204 DbRetVal
getParamFldInfo(int paramPos
, FieldInfo
*&info
);
205 bool isFldNull(int pos
){return table
->isFldNull(pos
);}
206 int getFldPos(char *name
);
207 DbRetVal
setNull(int pos
){}
212 int totalAssignParams
;
213 DbRetVal
resolveForAssignment();
216 class DelStatement
: public DmlStatement
219 DbRetVal
execute(int &rowsAffected
);
220 DbRetVal
setParam(int paramNo
, void *value
);
222 DbRetVal
setShortParam(int paramNo
, short value
);
223 DbRetVal
setIntParam(int paramNo
, int value
);
224 DbRetVal
setLongParam(int paramNo
, long value
);
225 DbRetVal
setLongLongParam(int paramNo
, long long value
);
226 DbRetVal
setByteIntParam(int paramNo
, ByteInt value
);
227 DbRetVal
setFloatParam(int paramNo
, float value
);
228 DbRetVal
setDoubleParam(int paramNo
, double value
);
229 DbRetVal
setStringParam(int paramNo
, char *value
);
230 DbRetVal
setDateParam(int paramNo
, Date value
);
231 DbRetVal
setTimeParam(int paramNo
, Time value
);
232 DbRetVal
setTimeStampParam(int paramNo
, TimeStamp value
);
233 DbRetVal
setBinaryParam(int paramNo
, void *value
);
234 bool isFldNull(int pos
){return table
->isFldNull(pos
);}
235 DbRetVal
getParamFldInfo(int paramPos
, FieldInfo
*&info
);
236 void* getParamValuePtr(int);
237 DbRetVal
setNull(int pos
){}
241 int getFldPos(char *name
);
242 DbRetVal
resolveForCondition(); //TODO::put this is Statement class, duplicated from SelStatement.
246 class DdlStatement
: public Statement
249 DbRetVal
execute(int &rowsAffected
)=0;
250 //TODO: i think rowsAffected is not part of ddl - gopal said its design decision
251 DbRetVal
resolve()=0;
253 DbRetVal
setParam(int paramNo
, void *value
) { }
254 DbRetVal
setShortParam(int paramNo
, short value
) { }
255 DbRetVal
setIntParam(int paramNo
, int value
) { }
256 DbRetVal
setLongParam(int paramNo
, long value
) { }
257 DbRetVal
setLongLongParam(int paramNo
, long long value
) { }
258 DbRetVal
setByteIntParam(int paramNo
, ByteInt value
) { }
259 DbRetVal
setFloatParam(int paramNo
, float value
) { }
260 DbRetVal
setDoubleParam(int paramNo
, double value
) { }
261 DbRetVal
setStringParam(int paramNo
, char *value
) { }
262 DbRetVal
setDateParam(int paramNo
, Date value
) { }
263 DbRetVal
setTimeParam(int paramNo
, Time value
) { }
264 DbRetVal
setTimeStampParam(int paramNo
, TimeStamp value
) { }
265 DbRetVal
setBinaryParam(int paramNo
, void *value
) { }
266 bool isFldNull(int pos
){ }
267 int getFldPos(char *name
){}
268 DbRetVal
setNull(int pos
){}
271 class CreateTblStatement
: public DdlStatement
274 DbRetVal
execute(int &rowsAffected
);
276 DbRetVal
checkForDot(char *name
);
277 CreateTblStatement();
278 ~CreateTblStatement();
281 char tblName
[IDENTIFIER_LENGTH
];
285 class CreateIdxStatement
: public DdlStatement
288 DbRetVal
execute(int &rowsAffected
);
289 DbRetVal
resolve(){return OK
; }
291 CreateIdxStatement();
292 ~CreateIdxStatement();
296 class DropTblStatement
: public DdlStatement
299 DbRetVal
execute(int &rowsAffected
);
300 DbRetVal
resolve(){return OK
; }
303 ~DropTblStatement(){}
305 class DropIdxStatement
: public DdlStatement
308 DbRetVal
execute(int &rowsAffected
);
309 DbRetVal
resolve() {return OK
; }
312 ~DropIdxStatement(){}
315 class StatementFactory
318 static Statement
* getStatement(ParsedData
*pData
);