sql table size script: shorter output

This skips postgres-internal tables in size output

1 files changed, 1 insertions, 0 deletions

diff --git a/extra/sql_dumps/stats_table_size.sql b/extra/sql_dumps/stats_table_size.sql
index cb8da26d..7b6b7f8d 100644
--- a/extra/sql_dumps/stats_table_size.sql
+++ b/extra/sql_dumps/stats_table_size.sql
@@ -12,6 +12,7 @@ SELECT
       FROM (
           SELECT ('"' || table_schema || '"."' || table_name || '"') AS table_name
           FROM information_schema.tables
+          WHERE table_schema = 'public'
       ) AS all_tables
       ORDER BY total_size DESC
   ) AS pretty_sizes;