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dblink now has its own validator function dblink_fdw_validator(), which is better than the core function postgresql_fdw_validator() because it gets the list of legal options from libpq instead of having a hard-wired list. Make the dblink extension module provide a standard foreign data wrapper dblink_fdw that encapsulates use of this validator, and recommend use of that wrapper instead of making up wrappers on the fly. Unfortunately, because ad-hoc wrappers *were* recommended practice previously, it's not clear when we can get rid of postgresql_fdw_validator without causing upgrade problems. But this is a step in the right direction. Shigeru Hanada, reviewed by KaiGai Kohei
15 lines
420 B
SQL
15 lines
420 B
SQL
/* contrib/dblink/dblink--1.0--1.1.sql */
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-- complain if script is sourced in psql, rather than via CREATE EXTENSION
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\echo Use "ALTER EXTENSION dblink UPDATE TO '1.1'" to load this file. \quit
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CREATE FUNCTION dblink_fdw_validator(
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options text[],
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catalog oid
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)
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RETURNS void
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AS 'MODULE_PATHNAME', 'dblink_fdw_validator'
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LANGUAGE C STRICT;
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CREATE FOREIGN DATA WRAPPER dblink_fdw VALIDATOR dblink_fdw_validator;
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