Displaying 3 results from an estimated 3 matches for "prefetch_primary_key".
2009 Nov 04
0
The error occurred while evaluating nil.prefetch_primary_key
The error occurred while evaluating nil.prefetch_primary_key?
Hi,
I have a problem with a model when I have 3 belongs_to relations in one
the middle.
This example is a subset of a grid-routing project:
n 1
1 n +------------ Project
Connection ------- ConnectionCost
+----------...
2011 May 11
2
Issue with Arel::SelectManager and insert Method
Hello,
Arel::SelectManager (arel 2.0.9) uses following statement to insert a
new record:
@engine.connection.insert im.to_sql, ''AREL'', primary_key_name,
primary_key_value
But in DatabaseStatements insert ist defined as:
insert(sql, name = nil, pk = nil, id_value = nil, sequence_name = nil)
Actually, Arel::SelectManager does not use the sequence name. This
leads to issues
2007 Jan 23
7
ActiveRecord requires sequence numbers in Oracle join table
I am mapping ActiveRecord classes to an existing Oracle database. This
means I cannot change the database schema to fit ActiveRecord
conventions.
Predictably, I have gotten into trouble: I have several join tables
that do not have a primary key column, and therefore no number sequence
defined. ActiveRecord insists on requiring a sequence, and gets unhappy
when there is none to find.
Is there a