SELECT schemaname AS table_schema, relname AS table_name, indexrelname AS index_name
FROM pg_stat_all_indexes INNER JOIN pg_index USING (indexrelid)
WHERE idx_scan=0
AND schemaname NOT IN (SELECT schema_name
FROM INFORMATION_SCHEMA.schemata
WHERE schema_name<>'public' AND
schema_owner='postgres' AND schema_name IS NOT NULL)
AND indisunique=FALSE
AND indisprimary=FALSE
AND indisexclusion=FALSE
ORDER BY table_schema, table_name, index_name;
SQL statements that help generate fixes for the identified problem.
SQL Query to Generate Fix
Description
SELECT format('DROP INDEX %1$I.%2$I;', schemaname, indexrelname) AS statements
FROM pg_stat_all_indexes INNER JOIN pg_index USING (indexrelid)
WHERE idx_scan=0
AND schemaname NOT IN (SELECT schema_name
FROM INFORMATION_SCHEMA.schemata
WHERE schema_name<>'public' AND
schema_owner='postgres' AND schema_name IS NOT NULL)
AND indisunique=FALSE
AND indisprimary=FALSE
AND indisexclusion=FALSE
ORDER BY schemaname, relname, indexrelname;
Drop the index.
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
Data at the database physical level
Queries of this category provide information about the disk usage.
Performance
Queries of this category provide information about indexes in a database.