Add a comment to need_insert_lock() if the query being used to check if the table has SERIAL column is valid for PostgreSQL 7.3 to 8.3.
Add a comment to need_insert_lock() if the query being used to check
if the table has SERIAL column is valid for PostgreSQL 7.3 to 8.3.

treasure-data/prestogres,treasure-data/prestogres,treasure-data/prestogres,treasure-data/prestogres,treasure-data/prestogres,treasure-data/prestogres,treasure-data/prestogres