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Restore dblink_current_query() to being a C-language function, so as to not

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create an ABI break between 8.3 and 8.4.  It is still just a wrapper around
the built-in current_query() function, but at a different implementation
level.  Per my proposal.

Note: this change doesn't break 8.4beta installations, since their
SQL-language definition of the function still works fine.
This commit is contained in:
Tom Lane
2009-06-09 17:41:02 +00:00
parent e8f28cb25d
commit f3e122fcdf
3 changed files with 20 additions and 5 deletions
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16
contrib/dblink/dblink.c
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@ -8,7 +8,7 @@
* Darko Prenosil <Darko.Prenosil@finteh.hr>
* Shridhar Daithankar <shridhar_daithankar@persistent.co.in>
*
* $PostgreSQL: pgsql/contrib/dblink/dblink.c,v 1.80 2009/06/09 16:35:36 joe Exp $
* $PostgreSQL: pgsql/contrib/dblink/dblink.c,v 1.81 2009/06/09 17:41:02 tgl Exp $
* Copyright (c) 2001-2009, PostgreSQL Global Development Group
* ALL RIGHTS RESERVED;
*
@ -1622,6 +1622,20 @@ dblink_build_sql_update(PG_FUNCTION_ARGS)
PG_RETURN_TEXT_P(cstring_to_text(sql));
}
/*
* dblink_current_query
* return the current query string
* to allow its use in (among other things)
* rewrite rules
*/
PG_FUNCTION_INFO_V1(dblink_current_query);
Datum
dblink_current_query(PG_FUNCTION_ARGS)
{
/* This is now just an alias for the built-in function current_query() */
PG_RETURN_DATUM(current_query(fcinfo));
}
/*************************************************************
* internal functions
*/