Hibernate: hibernate.hbm2ddl.auto=update show generated sql

Question

I wish to pass to Hibernate's SessionFactory

hibernate.hbm2ddl.auto=update

and see in log file generated sql statements. Is it possible w/o java coding (know how to achieve the result with SchemaExport, but hope that hibernate has "in box" solution)

Answer 1

You could setup logging to System.out using

• SessionFactory sf = new Configuration().setProperty("hibernate.show_sql", "true")

• or log4j

  log4j.logger.org.hibernate.SQL=DEBUG, SQL_APPENDER   
  log4j.additivity.org.hibernate.SQL=false
  

EDIT: This maybe also helpful Hibernate sql logging with values

Answer 2

You can also set a debug breakpoint on

org.hibernate.tool.hbm2ddl.SchemaUpdate.execute(boolean, boolean)

and see how it goes.