1 /***************************************************************************
3 * Copyright (C) Lakshya Solutions Ltd. All rights reserved. *
5 ***************************************************************************/
14 typedef int JulianRep
;
19 * Data Types supported by the database system.
24 typeInt
= 0, /**<integer type*/
47 * @class ComparisionOp
48 * Comparision operators supported by the database system.
59 OpLike
, // for Like operator
61 OpInvalidComparisionOp
63 static char CompOpNames
[][20] =
65 "Equals", "NotEquals", "LessThan", "LessThanEquals", "GreaterThan",
66 "GreaterThanEquals", "Like", "isNULL", "Invalid"
72 * Logical operators supported by the database system.
83 static char LogOpNames
[][10] =
85 "AND", "OR", "NOT", "Invalid"
91 inline static long size(DataType type
, int length
=0);
92 static char* getSQLString(DataType type
);
93 static SQLSMALLINT
convertToSQLType(DataType type
);
94 static SQLSMALLINT
convertToCSQLSQLType(DataType type
);
95 static SQLSMALLINT
convertToSQL_C_Type(DataType type
,TDBInfo tdbname
=mysql
);
96 static DataType
convertFromSQLType(SQLSMALLINT type
,int length
=0, int scale
=0, TDBInfo tdbname
=mysql
);
98 inline static void copyVal(void* dest
, void *src
, DataType type
, int length
= 0,int dbFlag
=0);
99 inline static void copyZeroVal(void* dest
, DataType type
, int length
= 0);
100 inline static void cachecopyVal(void* dest
, void *src
, DataType type
, int length
= 0,int dbFlag
=0);
101 inline static void addVal(void* dest
, void *src
, DataType type
);
102 static void divVal(double* dest
, int src
, DataType type
);
103 static void subVal(void* dest
, void *src
, DataType type
);
104 static void mulVal(void* dest
, void *src
, DataType type
);
105 static void mudVal(void* dest
, void *src
, DataType type
);
106 static void divVal(void* dest
, void *src
, DataType type
);
107 static void increment(void* dest
, void *src
, DataType type
);
108 static bool isValueZero(void* dest
, DataType type
);
110 inline static bool compareVal(void *src1
, void *src2
, ComparisionOp op
,
111 DataType type
, long length
= 0);
112 static bool compareIntVal(void* src1
, void* src2
, ComparisionOp op
);
113 static bool compareLongVal(void* src1
, void* src2
, ComparisionOp op
);
114 static bool compareLongLongVal(void* src1
, void* src2
, ComparisionOp op
);
115 static bool compareShortVal(void* src1
, void* src2
, ComparisionOp op
);
116 static bool compareByteIntVal(void* src1
, void* src2
, ComparisionOp op
);
117 static bool compareDoubleVal(void* src1
, void* src2
, ComparisionOp op
);
118 static bool compareFloatVal(void* src1
, void* src2
, ComparisionOp op
);
119 static bool compareDateVal(void* src1
, void* src2
, ComparisionOp op
);
120 static bool compareTimeVal(void* src1
, void* src2
, ComparisionOp op
);
121 static bool compareTimeStampVal(void* src1
, void* src2
, ComparisionOp op
);
122 static bool compareStringVal(void* src1
, void* src2
, ComparisionOp op
);
123 static bool compareBinaryVal(void* src1
, void* src2
,
124 ComparisionOp op
, int length
);
127 static void convert(DataType srcType
, void *src
, DataType destType
, void *dest
, int length
=0);
128 static void convertToInt(void* dest
, void* src
, DataType srcType
);
129 static void convertToLong(void* dest
, void* src
, DataType srcType
);
130 static void convertToLongLong(void* dest
, void* src
, DataType srcType
);
131 static void convertToShort(void* dest
, void* src
, DataType srcType
);
132 static void convertToByteInt(void* dest
, void* src
, DataType srcType
);
133 static void convertToFloat(void* dest
, void* src
, DataType srcType
);
134 static void convertToDouble(void* dest
, void* src
, DataType srcType
);
135 static void convertToString(void* dest
, void* src
, DataType srcType
, int length
=0,TDBInfo tdbname
=mysql
);
136 static void convertToDate(void* dest
, void* src
, DataType srcType
);
137 static void convertToTime(void* dest
, void* src
, DataType srcType
);
138 static void convertToTimeStamp(void* dest
, void* src
, DataType srcType
);
139 static void convertToBinary(void* dest
, void* src
, DataType srcType
, int length
);
141 static void memoryset(void *value
,DataType type
);
142 inline static ComparisionOp
getComparisionOperator(char *str
);
144 static void* alloc(DataType type
, int length
=0);
145 static DbRetVal
strToValue(void *dest
, char *src
, DataType type
, int length
=0);
146 static int printVal(void *src
, DataType type
, int length
,int dbFlag
=0);
147 inline static bool isValidFieldForAvg(DataType type
);
153 * Represents 8 bit integer.
164 ByteInt(const ByteInt
&v
) { val
= v
.val
; }
165 /** constructor with char
166 * @param v char value
168 ByteInt(char v
) { val
= v
; }
169 operator int() const { return (int) val
; }
170 char operator=(ByteInt v
) { return val
= v
.val
; }
171 char operator=(char v
) { return val
= v
; }
172 char operator+=(ByteInt v
) { return val
+= v
.val
; }
173 char operator+=(char v
) { return val
+= v
; }
174 char operator-=(ByteInt v
) { return val
-= v
.val
; }
175 char operator-=(char v
) { return val
-= v
; }
176 char operator*=(ByteInt v
) { return val
*= v
.val
; }
177 char operator*=(char v
) { return val
*= v
; }
178 char operator/=(ByteInt v
) { return val
/= v
.val
; }
179 char operator/=(char v
) { return val
/= v
; }
180 char operator%=(ByteInt v
) { return val
%= v
.val
; }
181 char operator%=(char v
) { return val
%= v
; }
182 char operator<<=(ByteInt v
) { return val
<<= v
.val
; }
183 char operator<<=(char v
) { return val
<<= v
; }
184 char operator>>=(ByteInt v
) { return val
>>= v
.val
; }
185 char operator>>=(char v
) { return val
>>= v
; }
186 char operator&=(ByteInt v
) { return val
&= v
.val
; }
187 char operator&=(char v
) { return val
&= v
; }
188 char operator|=(ByteInt v
) { return val
|= v
.val
; }
189 char operator|=(char v
) { return val
|= v
; }
190 char operator^=(ByteInt v
) { return val
^= v
.val
; }
191 char operator^=(char v
) { return val
^= v
; }
192 char operator++() { return val
++; }
193 char operator++(int) { char tmp
= val
; val
++; return val
; }
194 char operator--() { return val
--; }
195 char operator--(int) { char tmp
= val
; val
--; return val
; }
204 * Represents Date Data type.
208 class Date
{ // The class a user would declare to hold date
211 Date() {julianDate
= 0;}
212 Date(JulianRep julian
) : julianDate(julian
) {}
214 /** constructor with year, month, day
219 Date(int year
, int month
, int day
);
221 Date(const Date
&d2
) { julianDate
= d2
.julianDate
; }
222 Date
& operator=(const Date
& d2
)
223 { julianDate
=d2
.julianDate
; return *this; }
225 /** sets the date with specified year, month, day
230 int set(int year
, int month
, int day
);
231 int set(const struct tm
*tmptr
);
233 /** get year, month, day of the date
234 * @param year year IN
235 * @param month month IN
238 int get(int &year
, int &month
, int &day
) const;
240 /** checks for the validity of the date
242 bool isValid() const;
244 /** resets the date to zero
246 void setNull() { julianDate
= 0;}
248 /** returns day of the week
250 int dayOfWeek() const;
252 /** returns day of the week.
253 * values are "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday".
255 const char *dayOfWeekName() const;
257 /** returns day of the week abbreviation
258 * values are "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
260 const char *dayOfWeekAbbr() const;
262 /** returns day of the week.
263 * values are "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday".
265 static const char *dayOfWeekName(int day
); // 0--> Sunday
267 /** returns day of the week abbreviation
268 * values are "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
270 static const char *dayOfWeekAbbr(int day
);
272 static int dayOfWeek(JulianRep juldate
);
275 /** returns the day of the month. Values are 1 to 31
277 int dayOfMonth() const;
279 int dayOfYear() const;
281 /** returns the month Values are 1 to 12.
285 /** returns the month name
286 * values are "January", "February", "March", "April", "May", "June",
287 * "July", "August", "September", "October", "November", "December"
289 const char *monthName() const;
291 /** returns the month name abbreviation
292 * values are "Jan", "Feb", "Mar", "Apr", "May", "Jun",
293 * "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
295 const char *monthAbbr() const;
297 /** returns the month name
298 * values are "January", "February", "March", "April", "May", "June",
299 * "July", "August", "September", "October", "November", "December"
301 static const char *monthName(int month
);
304 /** returns the month name abbreviation
305 * values are "Jan", "Feb", "Mar", "Apr", "May", "Jun",
306 * "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
308 static const char *monthAbbr(int month
);
310 /** parses the date string passed and stores it
311 *It should of the format "mm/dd/yyyy"
313 int parseFrom(const char *s
);
315 static void changeToCsqlFormat(char *src
);
318 Date
&operator++() { julianDate
++; return *this; }
319 Date
&operator--() { julianDate
--; return *this; }
321 Date
&operator+=(int days
) { julianDate
+= days
; return *this;}
322 Date
&operator-=(int days
) { julianDate
-= days
; return *this;}
328 /** checks for the validity of the date
330 static bool isValidDate(int year
, int month
, int day
);
332 friend Date
operator+(const Date
&d1
, int days
);
333 friend Date
operator+(int days
, const Date
&d1
);
334 friend Date
operator-(const Date
&d1
, int days
);
335 friend int operator-(const Date
&d1
, const Date
& d2
);
336 friend int operator<(const Date
&d1
,const Date
&d2
);
337 friend int operator>(const Date
&d1
,const Date
&d2
);
338 friend int operator<=(const Date
&d1
,const Date
&d2
);
339 friend int operator>=(const Date
&d1
,const Date
&d2
);
340 friend int operator==(const Date
&d1
,const Date
&d2
);
341 friend int operator!=(const Date
&d1
,const Date
&d2
);
343 /** checks for leap year
345 static bool isLeapYear(int year
);
347 /** returns the number of days in the specified month of the year.
349 static int daysInMonth(int month
, int year
);
351 static int YMDToJulian(int year
,int mon
,int day
, JulianRep
&julian
);
352 static int julianToYMD(JulianRep julian
,int &year
,int &month
,int &day
);
355 JulianRep julianDate
;
363 * Represents Time Data type.
367 class Time
{ // The class a user would declare to hold time
369 Time() {timeVal
= 0;}
371 /** Overloaded constructor
377 Time(int hours
, int mins
, int secs
, int usec
= 0);
378 Time(int totalSecs
) : timeVal(totalSecs
) {;}
379 Time(const Time
&d2
) { timeVal
= d2
.timeVal
; }
380 Time
& operator=(const Time
& d2
) { timeVal
=d2
.timeVal
; return *this; }
382 /** sets the time with specified hours, mins, secs
388 int set(int hours
, int mins
, int secs
, int usec
= 0);
390 /** retrieves the time using IN parameters
395 int get(int &hours
, int &mins
, int &secs
) const;
397 /** checks for the validity of the time
399 bool isValid() const;
403 void setNull() { timeVal
= -1;}
405 int secondsSinceMidnight() const { return timeVal
/10000;}
407 /** returns the microsecs
409 int usec() const; // to nearest 100 of usec.
411 /** returns the millisecs
419 /** returns the minutes
423 /** returns the hours
428 /** sets the millisecs
432 /** sets the microsecs
436 /** parses the time string passed and stores it
437 *It should of the format "hh:mm::ss"
439 int parseFrom(const char *s
);
441 Time
&operator++() { timeVal
+= 10000; return *this; }
442 Time
&operator--() { timeVal
-= 10000; return *this; }
444 Time
&operator+=(int seconds
) { timeVal
+= seconds
*10000; return *this; }
445 Time
&operator-=(int seconds
) { timeVal
-= seconds
*10000; return *this; }
448 /** checks for the validity of the time specified
450 static bool isValidTime(int hours
, int mins
, int secs
);
452 friend Time
operator+(const Time
&t1
, int seconds
);
453 friend Time
operator+(int seconds
, const Time
&t1
);
454 friend Time
operator-(const Time
&t1
, int seconds
);
455 friend int operator-(const Time
&t1
, const Time
& t2
);
456 friend int operator<(const Time
&t1
,const Time
&t2
);
457 friend int operator>(const Time
&t1
,const Time
&t2
);
458 friend int operator<=(const Time
&t1
,const Time
&t2
);
459 friend int operator>=(const Time
&t1
,const Time
&t2
);
460 friend int operator==(const Time
&t1
,const Time
&t2
);
461 friend int operator!=(const Time
&t1
,const Time
&t2
);
470 * Represents TimeStamp Data type.
479 /** Overloaded constructor
488 TimeStamp(int year
, int month
, int day
, int hour
, int minute
, int sec
, int usec
= 0) :
489 date(year
, month
, day
), time(hour
, minute
, sec
, usec
) { }
491 TimeStamp(const TimeStamp
&ts
)
492 { date
= ts
.date
; time
= ts
.time
; }
493 TimeStamp(const Date
&d
, Time
&t
) : date(d
), time(t
) {}
496 TimeStamp
& operator=(const TimeStamp
& d2
)
497 { date
=d2
.date
; time
= d2
.time
; return *this; }
499 /** get year, month, day from the date part of the timestamp
500 * @param year year IN
501 * @param month month IN
504 int getDate(int &year
, int &month
, int &day
)
505 { return date
.get(year
, month
, day
); }
507 /** get the date part of the timestamp
510 void getDate(Date
&newDate
) const
513 /** sets the date with specified year, month, day
518 int setDate(int year
, int month
, int day
)
519 { return date
.set(year
, month
, day
); }
521 /** set the date part of the timestamp
524 void setDate(const Date
&newDate
)
528 operator Date() { return date
; }
529 operator Time() { return time
; }
533 /** retrieves the time using IN parameters
538 int getTime(int &hours
, int &mins
, int &secs
) const
539 { return time
.get(hours
, mins
, secs
); }
540 /** retrieves the time part of the timestamp
541 * @param newTime Time
543 void getTime(Time
&newTime
) const
546 /** sets the time with specified hours, mins, secs
552 int setTime(int hours
, int mins
, int secs
, int usec
= 0)
553 { return time
.set(hours
, mins
, secs
, usec
); }
555 /** set the time part of the timestamp
556 * @param newTime Time
558 void setTime(const Time
&newTime
)
561 /** checks for the validity of the timestamp
563 bool isValid() const { return date
.isValid() && time
.isValid(); }
565 /** resets the date and time */
566 void setNull() { date
.setNull(); time
.setNull(); }
568 /** returns day of the week. Values are 1-7
570 int dayOfWeek() const { return date
.dayOfWeek(); }
572 /** returns day of the week.
573 * values are "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Satur
576 const char *dayOfWeekName() const { return date
.dayOfWeekName(); }
578 /** returns day of the week abbreviation
579 * values are "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
581 const char *dayOfWeekAbbr() const { return date
.dayOfWeekAbbr(); }
583 /** returns the day of the month. Values are 1 to 31
585 int dayOfMonth() const { return date
.dayOfMonth(); }
586 int dayOfYear() const { return date
.dayOfYear(); }
588 /** returns the month. Values are 1 to 12.
591 int month() const { return date
.month(); }
593 /** returns the month name
594 * values are "January", "February", "March", "April", "May", "June",
595 * "July", "August", "September", "October", "November", "December"
597 const char *monthName() const { return date
.monthName(); }
599 /** returns the month name abbreviation
600 * Values are "Jan", "Feb", "Mar", "Apr", "May", "Jun",
601 * "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
603 const char *monthAbbr() const { return date
.monthAbbr(); }
607 int year() const { return date
.year(); }
609 int secondsSinceMidnight() const { return time
.secondsSinceMidnight(); }
610 /** returns the seconds */
611 int seconds() const { return time
.seconds(); }
612 /** returns the minutes */
613 int minutes() const { return time
.minutes(); }
614 /** returns the hours */
615 int hours() const { return time
.hours(); }
616 /** returns the millisecs */
617 int msec() const { return time
.msec(); }
618 /** returns the microsecs */
619 int usec() const { return time
.usec(); }
621 /** sets the millisecs */
622 int setMsec(int ms
) { return time
.setMsec(ms
) ; }
623 /** sets the microsecs */
624 int setUsec(int us
) { return time
.setUsec(us
) ; }
626 /** parses the date string passed and stores it
627 *It should of the format "mm/dd/yyyy"
629 int parseDateFrom(const char *s
) { return date
.parseFrom(s
); }
631 /** parses the time string passed and stores it
632 *It should of the format "hh:mm::ss"
635 int parseTimeFrom(const char *s
) { return time
.parseFrom(s
); }
637 static void changeToCsqlFormat(char *src
);
639 int parseFrom(const char *s
);
640 friend int operator<(const TimeStamp
&d1
, const TimeStamp
&d2
);
641 friend int operator>(const TimeStamp
&d1
, const TimeStamp
&d2
);
642 friend int operator<=(const TimeStamp
&d1
, const TimeStamp
&d2
);
643 friend int operator>=(const TimeStamp
&d1
, const TimeStamp
&d2
);
644 friend int operator==(const TimeStamp
&d1
, const TimeStamp
&d2
);
645 friend int operator!=(const TimeStamp
&d1
, const TimeStamp
&d2
);
653 #include<DataTypeInline.h>