Fix Sequence Postgres

 SELECT
    'SELECT SETVAL(' ||
       quote_literal(quote_ident(sequence_namespace.nspname) || '.' || quote_ident(class_sequence.relname)) ||
       ', COALESCE(MAX(' ||quote_ident(pg_attribute.attname)|| '), 1) ) FROM ' ||
       quote_ident(table_namespace.nspname)|| '.'||quote_ident(class_table.relname)|| ';'
FROM pg_depend
    INNER JOIN pg_class AS class_sequence
        ON class_sequence.oid = pg_depend.objid
            AND class_sequence.relkind = 'S'
    INNER JOIN pg_class AS class_table
        ON class_table.oid = pg_depend.refobjid
    INNER JOIN pg_attribute
        ON pg_attribute.attrelid = class_table.oid
            AND pg_depend.refobjsubid = pg_attribute.attnum
    INNER JOIN pg_namespace as table_namespace
        ON table_namespace.oid = class_table.relnamespace
    INNER JOIN pg_namespace AS sequence_namespace
        ON sequence_namespace.oid = class_sequence.relnamespace
ORDER BY sequence_namespace.nspname, class_sequence.relname;

 

 

Ref: https://wiki.postgresql.org/wiki/Fixing_Sequences