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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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5
src/backend/utils/adt/datetime.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/datetime.c,v 1.4 1997/04/17 13:50:34 scrappy Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/datetime.c,v 1.5 1997/05/11 15:11:31 thomas Exp $
*
*-------------------------------------------------------------------------
*/
@ -558,7 +558,8 @@ abstime_date(AbsoluteTime abstime)
#if FALSE
GetCurrentTime(tm);
#endif
abstime = GetCurrentTransactionStartTime() + CTimeZone;
abstime = GetCurrentTransactionStartTime();
abstime2tm(abstime, &CTimeZone, tm);
date->year = tm->tm_year;
date->month = tm->tm_mon;
date->day = tm->tm_mday;