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Change the parser to convert SQL "position" and "substring" syntax to

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position() and substring() functions, so that it works transparently for
bit types as well.  Alias the text functions appropriately.

Add position() for bit types.

Add new constant node T_BitString that represents literals of the form
B'1001 and pass those to zpbit type.
This commit is contained in:
Peter Eisentraut
2000-10-31 10:22:13 +00:00
parent d397c1c8a2
commit 73874a06f0
14 changed files with 214 additions and 47 deletions
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9
src/backend/nodes/outfuncs.c
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@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.129 2000/10/26 21:35:48 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.130 2000/10/31 10:22:10 petere Exp $
*
* NOTES
* Every (plan) node in POSTGRES has an associated "out" routine which
@ -20,10 +20,10 @@
* representation plus some other information (string length, etc.)
*
*/
#include <ctype.h>
#include "postgres.h"
#include <ctype.h>
#include "access/heapam.h"
#include "access/htup.h"
#include "catalog/pg_type.h"
@ -1352,6 +1352,9 @@ _outValue(StringInfo str, Value *value)
_outToken(str, value->val.str);
appendStringInfo(str, "\" ");
break;
case T_BitString:
appendStringInfo(str, " B%s ", value->val.str);
break;
default:
elog(NOTICE, "_outValue: don't know how to print type %d ",
value->type);