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Fix timezone manipulation code to avoid crashes on some machines.

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Add type conversion functions for floating point numbers.
Check for zero in unary minus floating point code (IEEE allows an
 explicit negative zero which looks ugly in a query result!).
Ensure circle type has non-negative radius.
This commit is contained in:
Thomas G. Lockhart
1997-05-11 15:11:47 +00:00
parent 9190a80ef9
commit 64d9b50893
6 changed files with 308 additions and 201 deletions
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3
src/backend/utils/adt/timestamp.c
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@ -184,7 +184,8 @@ timestamp_datetime(time_t timestamp)
tm->tm_year += 1900;
tm->tm_mon += 1;
*result = tm2datetime(tm, fsec, NULL);
if (tm2datetime(tm, fsec, NULL, result) != 0)
elog(WARN,"Unable to convert timestamp to datetime",timestamp_out(timestamp));
return(result);
} /* timestamp_datetime() */