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Add optional "validator" function to languages that can validate the

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function body (and other properties) as a function in the language
is created.  This generalizes ad hoc code that already existed for
the built-in languages.

The validation now happens after the pg_proc tuple of the new function
is created, so it is possible to define recursive SQL functions.

Add some regression test cases that cover bogus function definition
attempts.
This commit is contained in:
Peter Eisentraut
2002-05-22 17:21:02 +00:00
parent df9c8e1a39
commit d60f10b0e7
18 changed files with 339 additions and 102 deletions
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3
src/backend/nodes/copyfuncs.c
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@ -15,7 +15,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.187 2002/05/17 18:32:52 petere Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.188 2002/05/22 17:20:58 petere Exp $
*
*-------------------------------------------------------------------------
*/
@ -2418,6 +2418,7 @@ _copyCreatePLangStmt(CreatePLangStmt *from)
if (from->plname)
newnode->plname = pstrdup(from->plname);
Node_Copy(from, newnode, plhandler);
Node_Copy(from, newnode, plvalidator);
if (from->plcompiler)
newnode->plcompiler = pstrdup(from->plcompiler);
newnode->pltrusted = from->pltrusted;