interval.c

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00001 #include "dbmi.h"
00002 
00009 void
00010 db_interval_range (sqltype, from, to)
00011     int sqltype;
00012     int *from;
00013     int *to;
00014 {
00015     switch (sqltype)
00016     {
00017     case DB_SQL_TYPE_DATE:
00018         *from = DB_YEAR;
00019         *to   = DB_DAY;
00020         return;
00021     case DB_SQL_TYPE_TIME:
00022         *from = DB_HOUR;
00023         *to   = DB_FRACTION;
00024         return;
00025     }
00026 
00027     if (sqltype & DB_YEAR)
00028         *from = DB_YEAR;
00029     else if (sqltype & DB_MONTH)
00030         *from = DB_MONTH;
00031     else if (sqltype & DB_DAY)
00032         *from = DB_DAY;
00033     else if (sqltype & DB_HOUR)
00034         *from = DB_HOUR;
00035     else if (sqltype & DB_MINUTE)
00036         *from = DB_MINUTE;
00037     else if (sqltype & DB_SECOND)
00038         *from = DB_SECOND;
00039     else if (sqltype & DB_FRACTION)
00040         *from = DB_FRACTION;
00041     else
00042         *from = 0;
00043 
00044     if (sqltype & DB_FRACTION)
00045         *to = DB_FRACTION;
00046     else if (sqltype & DB_SECOND)
00047         *to = DB_SECOND;
00048     else if (sqltype & DB_MINUTE)
00049         *to = DB_MINUTE;
00050     else if (sqltype & DB_HOUR)
00051         *to = DB_HOUR;
00052     else if (sqltype & DB_DAY)
00053         *to = DB_DAY;
00054     else if (sqltype & DB_MONTH)
00055         *to = DB_MONTH;
00056     else if (sqltype & DB_YEAR)
00057         *to = DB_YEAR;
00058     else
00059         *to = 0;
00060 }

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