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|
DO $BODY$
DECLARE
rec RECORD;
BEGIN
DROP SCHEMA IF EXISTS postgis_upgrade_test_data CASCADE;
CREATE SCHEMA postgis_upgrade_test_data;
FOR rec IN
SELECT
array_agg(
regexp_replace(
regexp_replace(
regexp_replace(
oid::regprocedure::text,
'double precision', 'float8'
),
E'\\(([^)])',
E'(NULL::\\1'
),
',',
',NULL::',
'g'
)
||
CASE WHEN prokind = 'w' THEN ' OVER()' ELSE '' END
|| '::text as f' || oid
) f
FROM pg_catalog.pg_proc
WHERE
pronamespace::regnamespace::text !~ '^pg_'
AND pronamespace::regnamespace::text <> 'information_schema'
-- We only consider normal and window functions
-- ( not aggregates or procedures )
AND prokind in ('f','w')
-- Skip function known to be problematic
AND proname NOT IN (
'st_approxquantile' -- https://trac.osgeo.org/postgis/ticket/5498
)
-- Skip functions using VARIADIC or OUTPUT arguments
AND ( NOT coalesce(proargmodes, '{}') && ARRAY['v', 'o']::"char"[] )
-- Skip function having arguments of internal types
AND ( NOT proargtypes::oid[] && ARRAY ['internal'::regtype]::oid[] )
-- Skip function having anyelement return type, to avoid:
-- ERROR: function returning record called in context that cannot accept type record
AND ( NOT prorettype = ANY( ARRAY ['anyelement'::regtype] ) )
LOOP
EXECUTE format(
'CREATE VIEW postgis_upgrade_test_data.locking_view AS SELECT %s',
array_to_string(rec.f, ',')
);
END LOOP;
END;
$BODY$ LANGUAGE 'plpgsql';
SELECT 'INFO: Most PostGIS functions locked into view usage';
|
