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Implement precision support for timestamp and time, both with and without

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time zones.
SQL99 spec requires a default of zero (round to seconds) which is set
 in gram.y as typmod is set in the parse tree. We *could* change to a
 default of either 6 (for internal compatibility with previous versions)
 or 2 (for external compatibility with previous versions).
Evaluate entries in pg_proc wrt the iscachable attribute for timestamp and
 other date/time types. Try to recognize cases where side effects like the
 current time zone setting may have an effect on results to decide whether
 something is cachable or not.
This commit is contained in:
Thomas G. Lockhart
2001-10-03 05:29:27 +00:00
parent a51de40fb6
commit 3e1beda2cd
22 changed files with 946 additions and 942 deletions
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7
src/backend/parser/analyze.c
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@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Header: /cvsroot/pgsql/src/backend/parser/analyze.c,v 1.198 2001/09/07 21:57:53 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/analyze.c,v 1.199 2001/10/03 05:29:12 thomas Exp $
*
*-------------------------------------------------------------------------
*/
@ -510,11 +510,10 @@ transformInsertStmt(ParseState *pstate, InsertStmt *stmt)
* No user-supplied value, so add a targetentry with DEFAULT
* expr and correct data for the target column.
*/
te = makeTargetEntry(
makeResdom(attrno,
te = makeTargetEntry(makeResdom(attrno,
thisatt->atttypid,
thisatt->atttypmod,
pstrdup(NameStr(thisatt->attname)),
pstrdup(NameStr(thisatt->attname)),
false),
stringToNode(defval[ndef].adbin));
qry->targetList = lappend(qry->targetList, te);