Find different tasks that are solved by using rules, i.e., different rules on the same table or different tables that do the same thing are considered to solve one task.
Type
General (Overview of some aspect of the database.)
WITH rules AS (SELECT
r.schemaname AS rule_schema,
r.tablename AS host_table,
r.rulename AS rule_name,
substring(r.definition, 'ON[[:space:]](SELECT|INSERT|UPDATE|DELETE)') AS event,
substring(r.definition, 'DO.*$') AS rule_definition
FROM
pg_catalog.pg_rules r,
pg_catalog.pg_namespace n,
pg_catalog.pg_authid u
WHERE
r.schemaname = n.nspname AND
n.nspowner = u.oid AND
(n.nspname = 'public' OR u.rolname <> 'postgres'))
SELECT rule_definition, string_agg(rule_schema || '.' || host_table || ' ' || event, ', ' ORDER BY rule_schema, host_table, event) AS rule_context
FROM rules
GROUP BY rule_definition;
Collections
This query belongs to the following collections:
Name
Description
Find problems by overview
Queries that results point to different aspects of database that might have problems. A human reviewer has to decide based on the results as to whether there are problems or not .
Categories
This query is classified under the following categories:
Name
Description
Triggers and rules
Queries of this category provide information about triggers and rules in a database.