X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FManual%2FTroubleshooting.pod;h=366bdf2ffb78bc084cc2e7502380dc62f8915600;hb=81791ac391d1bcdb0de614f5317ab9966d806488;hp=5dd88a7d0c39736e60b6aa6d189936687eb3e49e;hpb=130c64391b48bae9eb374e931c7d6c308625bf6b;p=dbsrgits%2FDBIx-Class-Historic.git diff --git a/lib/DBIx/Class/Manual/Troubleshooting.pod b/lib/DBIx/Class/Manual/Troubleshooting.pod index 5dd88a7..366bdf2 100644 --- a/lib/DBIx/Class/Manual/Troubleshooting.pod +++ b/lib/DBIx/Class/Manual/Troubleshooting.pod @@ -4,5 +4,48 @@ DBIx::Class::Manual::Troubleshooting - Got a problem? Shoot it. =head2 "Can't locate storage blabla" +You're trying to make a query on a non-connected schema. Make sure you got +the current resultset from $schema->resultset('Artist') on a schema object +you got back from connect(). + +=head2 Tracing SQL + +The C environment variable controls +SQL tracing, so to see what is happening try + + export DBIX_CLASS_STORAGE_DBI_DEBUG=1 + +Alternatively use the C<< storage->debug >> class method:- + + $class->storage->debug(1); + +To send the output somewhere else set debugfh:- + + $class->storage->debugfh(IO::File->new('/tmp/trace.out', 'w'); + +Alternatively you can do this with the environment variable too:- + + export DBIX_CLASS_STORAGE_DBI_DEBUG="1=/tmp/trace.out" + +=head2 Can't locate method result_source_instance + +For some reason the table class in question didn't load fully, so the +ResultSource object for it hasn't been created. Debug this class in +isolation, then try loading the full schema again. + +=head2 Can't get last insert ID under Postgres with serial primary keys + +Older L and L versions do not handle C +correctly, causing code that uses auto-incrementing primary key +columns to fail with a message such as: + + Can't get last insert id at /.../DBIx/Class/Row.pm line 95 + +In particular the RHEL 4 and FC3 Linux distributions both ship with +combinations of L and L modules that do not work +correctly. + +L version 1.50 and L 1.43 are known to work. + =cut