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Try to read date fields correctly in most ODBC drivers.

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[GB.DB.ODBC]
* BUG: Try to read date fields correctly in most ODBC drivers.
This commit is contained in:
gambas 2021-04-29 22:53:52 +02:00
parent 0fec9caf03
commit f24f08d941
1 changed files with 25 additions and 6 deletions
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31
gb.db.odbc/src/main.c
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@ -600,18 +600,37 @@ static void conv_data(char *data, int len, GB_VARIANT_VALUE * val, int type)
case SQL_TYPE_TIMESTAMP: case SQL_TYPE_TIMESTAMP:
case SQL_DATETIME: // Data type for Time case SQL_DATETIME: // Data type for Time
{ {
bool bc = (len > 3) && (strcmp(&data[len - 2], "BC") == 0); GB_DATE_SERIAL date = { 0 };
double sec;
int n;
if (GB.DateFromString(data, len, &conv, TRUE)) conv._date.value.date = conv._date.value.time = 0;
if (len > 0)
{ {
fprintf(stderr, "gb.db.odbc: unable to convert date: %.*s\n", len, data); n = sscanf(data, "%4d-%2d-%2d %2d:%2d:%lf", &date.year, &date.month, &date.day, &date.hour, &date.min, &sec);
conv._date.value.date = conv._date.value.time = 0; if (n >= 3)
{
bool bc = (len > 3) && (strcmp(&data[len - 2], "BC") == 0);
if (n == 6)
{
date.sec = (short)sec;
date.msec = (short)((sec - date.sec) * 1000 + 0.5);
}
if (bc)
date.year = (-date.year);
GB.MakeDate(&date, (GB_DATE *)&conv);
}
else if (GB.DateFromString(data, len, &conv, TRUE))
{
fprintf(stderr, "gb.db.odbc: unable to convert date: %.*s\n", len, data);
}
} }
val->type = GB_T_DATE; val->type = GB_T_DATE;
val->value._date.date = conv._date.value.date; val->value._date.date = conv._date.value.date;
if (bc)
val->value._date.date = (- val->value._date.date);
val->value._date.time = conv._date.value.time; val->value._date.time = conv._date.value.time;
break; break;
} }