Cary Huang <cary.hu...@highgo.ca> writes: > I noticed that when casting a string to boolean value with input 'of' it > still cast it to 'f'. I think with 'of', it should give an error because > 'off' is the expected candidate. This may not be intended so I made a simple > patch to address this.
It's absolutely intended, and documented: https://www.postgresql.org/docs/devel/datatype-boolean.html Note the bit about "Unique prefixes of these strings are also accepted". The code comment just above parse_bool() says the same. regards, tom lane
