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Add warning to event trigger

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Adam Guo 2025-03-27 14:46:07 +00:00
parent 5b95cfddf4
commit eefb16763e
1 changed files with 16 additions and 8 deletions
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24
pg_ivm--1.10--1.11.sql
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@ -25,17 +25,25 @@ $$
DECLARE
old_search_path text;
BEGIN
-- Empty search path so that get_immv_def returns a fully-qualified query.
SELECT setting INTO old_search_path FROM pg_catalog.pg_settings
WHERE name = 'search_path';
SET search_path = '';
-- Only need to refresh query strings if an object is renamed.
-- As a rough heuristic, check if this is an ALTER command.
IF tg_tag LIKE 'ALTER %' THEN
-- Empty search path so that get_immv_def returns a fully-qualified query.
SELECT setting INTO old_search_path FROM pg_catalog.pg_settings
WHERE name = 'search_path';
SET search_path = '';
UPDATE pgivm.pg_ivm_immv SET querystring = pgivm.get_immv_def(immvrelid);
UPDATE pgivm.pg_ivm_immv SET querystring = pgivm.get_immv_def(immvrelid);
-- Reset search path to the original value.
IF old_search_path != '' AND old_search_path != '""' THEN
EXECUTE format('SET search_path = %s', old_search_path);
-- Reset search path to the original value.
IF old_search_path != '' AND old_search_path != '""' THEN
EXECUTE format('SET search_path = %s', old_search_path);
END IF;
END IF;
EXCEPTION
WHEN internal_error THEN
RAISE WARNING 'pg_ivm could not refresh the pg_ivm_immv query strings.'
USING HINT = 'Please recreate your IMMVs using pgivm.recreate_all_immvs().';
END
$$;