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New pg_attribute.atttypmod for type-specific information like

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varchar length.

Cleans up code so attlen is always length.

Removed varchar() hack added earlier.

Will fix bug in selecting varchar() fields, and varchar() can be
variable length.
This commit is contained in:
Bruce Momjian
1998-01-16 23:21:07 +00:00
parent d7427e4802
commit c65ea0e040
27 changed files with 335 additions and 463 deletions
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17
src/backend/access/common/tupdesc.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/common/tupdesc.c,v 1.31 1998/01/07 21:00:45 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/common/tupdesc.c,v 1.32 1998/01/16 23:19:16 momjian Exp $
*
* NOTES
* some of the executor utility code such as "ExecTypeFromTL" should be
@@ -301,11 +301,12 @@ TupleDescInitEntry(TupleDesc desc,
att->attdisbursion = 0; /* dummy value */
att->attcacheoff = -1;
att->atttypmod = 0;
att->attnum = attributeNumber;
att->attnelems = attdim;
att->attisset = attisset;
att->attnotnull = false;
att->atthasdef = false;
@@ -512,17 +513,7 @@ BuildDescForRelation(List *schema, char *relname)
typename);
}
/*
* this is for char() and varchar(). When an entry is of type
* char() or varchar(), typlen is set to the appropriate length,
* which we'll use here instead. (The catalog lookup only returns
* the length of bpchar and varchar which is not what we want!) -
* ay 6/95
*/
if (entry->typename->typlen > 0)
{
desc->attrs[attnum - 1]->attlen = entry->typename->typlen;
}
desc->attrs[attnum - 1]->atttypmod = entry->typename->typmod;
/* This is for constraints */
if (entry->is_not_null)