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Change parse-time representation of float literals (which include oversize

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integers) to be strings instead of 'double'.  We convert from string form
to internal representation only after type resolution has determined the
correct type for the constant.  This eliminates loss-of-precision worries
and gets rid of the change in behavior seen at 17 digits with the
previous kluge.
This commit is contained in:
Tom Lane
2000-02-21 18:47:12 +00:00
parent ee97d103cc
commit 393f313227
12 changed files with 186 additions and 186 deletions
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10
src/backend/nodes/copyfuncs.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.107 2000/02/20 21:32:05 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.108 2000/02/21 18:47:00 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1501,14 +1501,12 @@ _copyValue(Value *from)
newnode->type = from->type;
switch (from->type)
{
case T_String:
newnode->val.str = pstrdup(from->val.str);
break;
case T_Integer:
newnode->val.ival = from->val.ival;
break;
case T_Float:
newnode->val.dval = from->val.dval;
case T_String:
newnode->val.str = pstrdup(from->val.str);
break;
default:
break;
@ -1722,8 +1720,8 @@ copyObject(void *from)
* VALUE NODES
*/
case T_Integer:
case T_String:
case T_Float:
case T_String:
retval = _copyValue(from);
break;
case T_List: