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Patch by: wieck@sapserv.debis.de (Jan Wieck) One of the design rules of PostgreSQL is extensibility. And to follow this rule means (at least for me) that there should not only be a builtin PL. Instead I would prefer a defined interface for PL implemetations.
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@ -6,7 +6,7 @@
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: skey.h,v 1.6 1997/09/08 21:51:01 momjian Exp $
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* $Id: skey.h,v 1.7 1998/01/15 19:46:18 pgsql Exp $
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*
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*
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* Note:
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@ -17,13 +17,14 @@
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#define SKEY_H
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#include <access/attnum.h>
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#include <fmgr.h>
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typedef struct ScanKeyData
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{
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bits16 sk_flags; /* flags */
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AttrNumber sk_attno; /* domain number */
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RegProcedure sk_procedure; /* procedure OID */
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func_ptr sk_func;
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FmgrInfo sk_func;
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int32 sk_nargs;
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Datum sk_argument; /* data to compare */
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} ScanKeyData;
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