interval.c

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#include <grass/dbmi.h>

void db_interval_range(int sqltype, int *from, int *to)
{
    switch (sqltype) {
    case DB_SQL_TYPE_DATE:
        *from = DB_YEAR;
        *to = DB_DAY;
        return;
    case DB_SQL_TYPE_TIME:
        *from = DB_HOUR;
        *to = DB_FRACTION;
        return;
    }

    if (sqltype & DB_YEAR)
        *from = DB_YEAR;
    else if (sqltype & DB_MONTH)
        *from = DB_MONTH;
    else if (sqltype & DB_DAY)
        *from = DB_DAY;
    else if (sqltype & DB_HOUR)
        *from = DB_HOUR;
    else if (sqltype & DB_MINUTE)
        *from = DB_MINUTE;
    else if (sqltype & DB_SECOND)
        *from = DB_SECOND;
    else if (sqltype & DB_FRACTION)
        *from = DB_FRACTION;
    else
        *from = 0;

    if (sqltype & DB_FRACTION)
        *to = DB_FRACTION;
    else if (sqltype & DB_SECOND)
        *to = DB_SECOND;
    else if (sqltype & DB_MINUTE)
        *to = DB_MINUTE;
    else if (sqltype & DB_HOUR)
        *to = DB_HOUR;
    else if (sqltype & DB_DAY)
        *to = DB_DAY;
    else if (sqltype & DB_MONTH)
        *to = DB_MONTH;
    else if (sqltype & DB_YEAR)
        *to = DB_YEAR;
    else
        *to = 0;
}