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Good Bye, Time Travel!

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This commit is contained in:
Vadim B. Mikheev
1997-11-02 15:27:14 +00:00
parent 6cc0a00dec
commit 32cd09ac6d
36 changed files with 265 additions and 1841 deletions
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22
src/backend/parser/catalog_utils.c
View File

@ -6,7 +6,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/Attic/catalog_utils.c,v 1.28 1997/09/18 20:21:05 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/Attic/catalog_utils.c,v 1.29 1997/11/02 15:25:19 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@ -75,21 +75,6 @@ struct
{
"cmax", MaxCommandIdAttributeNumber
},
{
"chain", ChainItemPointerAttributeNumber
},
{
"anchor", AnchorItemPointerAttributeNumber
},
{
"tmin", MinAbsoluteTimeAttributeNumber
},
{
"tmax", MaxAbsoluteTimeAttributeNumber
},
{
"vtype", VersionTypeAttributeNumber
}
};
#define SPECIALS (sizeof(special_attr)/sizeof(*special_attr))
@ -101,11 +86,6 @@ static char *attnum_type[SPECIALS] = {
"cid",
"xid",
"cid",
"tid",
"tid",
"abstime",
"abstime",
"char"
};
#define MAXFARGS 8 /* max # args to a c or postquel function */

5
src/backend/parser/gram.y
View File

@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 1.61 1997/10/31 00:50:39 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 1.62 1997/11/02 15:25:26 vadim Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@ -2391,12 +2391,14 @@ time_range: '[' opt_range_start ',' opt_range_end ']'
$$ = makeNode(TimeRange);
$$->startDate = $2;
$$->endDate = $4;
elog (WARN, "parser: TimeRange is not supported");
}
| '[' date ']'
{
$$ = makeNode(TimeRange);
$$->startDate = $2;
$$->endDate = NULL;
elog (WARN, "parser: TimeRange is not supported");
}
;
@ -3387,7 +3389,6 @@ relation_name: SpecialRuleRelation
/* disallow refs to magic system tables */
if (strcmp(LogRelationName, $1) == 0
|| strcmp(VariableRelationName, $1) == 0
|| strcmp(TimeRelationName, $1) == 0
|| strcmp(MagicRelationName, $1) == 0)
elog(WARN,"%s cannot be accessed by users",$1);
else

63
src/backend/parser/parse_query.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/Attic/parse_query.c,v 1.21 1997/09/08 21:46:08 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/Attic/parse_query.c,v 1.22 1997/11/02 15:25:30 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@ -243,67 +243,6 @@ expandAll(ParseState *pstate, char *relname, char *refname, int *this_resno)
return (te_head);
}
TimeQual
makeTimeRange(char *datestring1,
char *datestring2,
int timecode) /* 0 = snapshot , 1 = timerange */
{
TimeQual qual = NULL;
AbsoluteTime t1,
t2;
switch (timecode)
{
case 0:
if (datestring1 == NULL)
{
elog(WARN, "MakeTimeRange: bad snapshot arg");
}
t1 = nabstimein(datestring1);
if (!AbsoluteTimeIsValid(t1))
{
elog(WARN, "bad snapshot time: \"%s\"",
datestring1);
}
qual = TimeFormSnapshotTimeQual(t1);
break;
case 1:
if (datestring1 == NULL)
{
t1 = NOSTART_ABSTIME;
}
else
{
t1 = nabstimein(datestring1);
if (!AbsoluteTimeIsValid(t1))
{
elog(WARN,
"bad range start time: \"%s\"",
datestring1);
}
}
if (datestring2 == NULL)
{
t2 = NOEND_ABSTIME;
}
else
{
t2 = nabstimein(datestring2);
if (!AbsoluteTimeIsValid(t2))
{
elog(WARN,
"bad range end time: \"%s\"",
datestring2);
}
}
qual = TimeFormRangedTimeQual(t1, t2);
break;
default:
elog(WARN, "MakeTimeRange: internal parser error");
}
return qual;
}
static void
disallow_setop(char *op, Type optype, Node *operand)
{