PostgreSQL fixing sequences

postgresql_fixing_sequences.sh

#!/bin/bash

#
# Author:       SuperPaintman <SuperPaintmanDeveloper@gmail.com>
# 

database_name="my_awesome_database"
 
psql -Atq "$database_name" <<SQL | psql -Atq "$database_name"
SELECT 'SELECT ' ||
     quote_literal(T.relname || ' (' || C.attname || ') -> ') ||
     ' || SETVAL(' ||
     quote_literal(quote_ident(PGT.schemaname) || '.' || quote_ident(S.relname)) ||
     ', COALESCE(MAX(' ||quote_ident(C.attname)|| '), 1) ) FROM ' ||
     quote_ident(PGT.schemaname)|| '.'||quote_ident(T.relname)|| ';'
FROM pg_class AS S,
     pg_depend AS D,
     pg_class AS T,
     pg_attribute AS C,
     pg_tables AS PGT
WHERE S.relkind = 'S'
     AND S.oid = D.objid
     AND D.refobjid = T.oid
     AND D.refobjid = C.attrelid
     AND D.refobjsubid = C.attnum
     AND T.relname = PGT.tablename
ORDER BY S.relname;
SQL