The "symfony and Doctrine" book, in chapter 4, has a table headed
'data types', which includes inter alia 'char'.
The Doctrine manual, chapter 7, lists column types and does not
include 'char'.
I decided to try Doctrine in a new project, having only used Propel
before. Working from the symfony and Doctrine book, I created my
schema with 'char' throughout.
'symfony doctrine:build-db' and all the related commands accepted
this, and apparently created my (postgres) database successfully. But
as soon as I try to save something I get an exception with the not-
very-useful message "Validation error in class Book ".
Of course I had no idea what this might mean. I went googling and
found some advice about using Doctrine_Exception::getInvalidRecords
and Doctrine_ErrorStack::getRecords. Fortunately I am not a beginner
in symfony, only in Doctrine, so I had a ghost of an idea how I might
use this.
Overriding 'save' to catch the exception and write this stuff to the
logger, I get
[_errors:protected] => Array
(
[nickname] => Array
(
[0] => type
)
)
[_validators:protected] => Array
(
)
which told me that no validators had failed, but it didn't like the
column 'nickname'., for some unclear reason.
Eventually I traced through the Doctrine source, and found that
Doctrine_Validator has a hard-coded list of types which does not
include 'char' .(It also does not include 'varchar', 'bit', 'varbit',
or 'inet')
So unless I'm missing something, we have
- a minor bug in Doctrine, whereby the schema parsing can cope with
types that the Validation system throws out
- a more serious bug in Doctrine, where when this happens, it gives an
entirely useless message
- a documentation bug in symfony that turns this minor Doctrine bug
into a showstopper for a novice.
Am I missing something?
(I wondered about versions. I have not found a way to tell what
version of Doctrine I have, but it's whatever came with symfony 1.2.1.
Does the symfony/Doctrine book refer to Doctrine 2 or something?)
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