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Add some SQL in README.md

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Getting the error when adding non-root postgres user for exporter:
```
postgres=# CREATE OR REPLACE FUNCTION get_pg_stat_statements() RETURNS SETOF pg_stat_statements AS
postgres-# $$ SELECT * FROM public.pg_stat_statements; $$
postgres-# LANGUAGE sql
postgres-# VOLATILE
postgres-# SECURITY DEFINER;
ERROR:  type "pg_stat_statements" does not exist
```
Add following sql command for enable pg_stat_statements:
```
CREATE EXTENSION IF NOT EXISTS pg_stat_statements;
```

Signed-off-by: Xela Tirdan <xelatirdan@gmail.com>
This commit is contained in:
Xela 2021-08-04 20:26:46 +03:00 committed by Xela Tirdan
parent 57719ba53c
commit 20aefc2e15
1 changed files with 1 additions and 0 deletions
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@ -267,6 +267,7 @@ AS
GRANT SELECT ON postgres_exporter.pg_stat_replication TO postgres_exporter;
CREATE EXTENSION IF NOT EXISTS pg_stat_statements;
CREATE OR REPLACE FUNCTION get_pg_stat_statements() RETURNS SETOF pg_stat_statements AS
$$ SELECT * FROM public.pg_stat_statements; $$
LANGUAGE sql