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Measure the current transaction time to milliseconds.

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Define a new function, GetCurrentTransactionStartTimeUsec() to get the time
 to this precision.
Allow now() and timestamp 'now' to use this higher precision result so
 we now have fractional seconds in this "constant".
Add timestamp without time zone type.
Move previous timestamp type to timestamp with time zone.
Accept another ISO variant for date/time values: yyyy-mm-ddThh:mm:ss
 (note the "T" separating the day from hours information).
Remove 'current' from date/time types; convert to 'now' in input.
Separate time and timetz regression tests.
Separate timestamp and timestamptz regression test.
This commit is contained in:
Thomas G. Lockhart
2001-09-28 08:09:14 +00:00
parent 1f075a32ee
commit 6f58115ddd
27 changed files with 2778 additions and 1873 deletions
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5
src/include/utils/builtins.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: builtins.h,v 1.164 2001/09/14 17:46:40 momjian Exp $
* $Id: builtins.h,v 1.165 2001/09/28 08:09:14 thomas Exp $
*
*-------------------------------------------------------------------------
*/
@ -16,7 +16,7 @@
#include "fmgr.h"
#include "nodes/primnodes.h"
#include "storage/itemptr.h" /* for setLastTid() */
/*
* Defined in adt/
@ -345,6 +345,7 @@ extern char *deparse_expression(Node *expr, List *dpcontext,
extern List *deparse_context_for(char *relname, Oid relid);
/* tid.c */
extern void setLastTid(const ItemPointer tid);
extern Datum tidin(PG_FUNCTION_ARGS);
extern Datum tidout(PG_FUNCTION_ARGS);
extern Datum tideq(PG_FUNCTION_ARGS);